From 3b0d7b35d52c5d049a0e9603b487d9d3e9a6842b Mon Sep 17 00:00:00 2001 From: ArdaFu Date: Tue, 9 Aug 2016 11:31:41 +0800 Subject: [PATCH] [trace] Add Segger SystemView trace componment. --- components/trace/SConscript | 15 + .../trace/SystemView_Src_V240/Config/Global.h | 88 + .../Config/SEGGER_RTT_Conf.h | 255 ++ .../Config/SEGGER_SYSVIEW_Conf.h | 146 + .../Config/SEGGER_SYSVIEW_Config_RTThread.c | 163 + .../Config/SEGGER_SYSVIEW_RTThread.c | 196 ++ .../Config/SEGGER_SYSVIEW_RTThread.h | 74 + .../Description/SYSVIEW_RTThread.txt | 152 + .../License_SystemView.txt | 33 + .../trace/SystemView_Src_V240/SEGGER/SEGGER.h | 141 + .../SystemView_Src_V240/SEGGER/SEGGER_RTT.c | 1371 ++++++++ .../SystemView_Src_V240/SEGGER/SEGGER_RTT.h | 232 ++ .../SEGGER/SEGGER_SYSVIEW.c | 2749 +++++++++++++++++ .../SEGGER/SEGGER_SYSVIEW.h | 325 ++ .../SEGGER/SEGGER_SYSVIEW_ConfDefaults.h | 164 + .../SEGGER/SEGGER_SYSVIEW_Int.h | 96 + components/trace/how to use.md | 23 + 17 files changed, 6223 insertions(+) create mode 100644 components/trace/SConscript create mode 100644 components/trace/SystemView_Src_V240/Config/Global.h create mode 100644 components/trace/SystemView_Src_V240/Config/SEGGER_RTT_Conf.h create mode 100644 components/trace/SystemView_Src_V240/Config/SEGGER_SYSVIEW_Conf.h create mode 100644 components/trace/SystemView_Src_V240/Config/SEGGER_SYSVIEW_Config_RTThread.c create mode 100644 components/trace/SystemView_Src_V240/Config/SEGGER_SYSVIEW_RTThread.c create mode 100644 components/trace/SystemView_Src_V240/Config/SEGGER_SYSVIEW_RTThread.h create mode 100644 components/trace/SystemView_Src_V240/Description/SYSVIEW_RTThread.txt create mode 100644 components/trace/SystemView_Src_V240/License_SystemView.txt create mode 100644 components/trace/SystemView_Src_V240/SEGGER/SEGGER.h create mode 100644 components/trace/SystemView_Src_V240/SEGGER/SEGGER_RTT.c create mode 100644 components/trace/SystemView_Src_V240/SEGGER/SEGGER_RTT.h create mode 100644 components/trace/SystemView_Src_V240/SEGGER/SEGGER_SYSVIEW.c create mode 100644 components/trace/SystemView_Src_V240/SEGGER/SEGGER_SYSVIEW.h create mode 100644 components/trace/SystemView_Src_V240/SEGGER/SEGGER_SYSVIEW_ConfDefaults.h create mode 100644 components/trace/SystemView_Src_V240/SEGGER/SEGGER_SYSVIEW_Int.h create mode 100644 components/trace/how to use.md diff --git a/components/trace/SConscript b/components/trace/SConscript new file mode 100644 index 000000000..cdca6868c --- /dev/null +++ b/components/trace/SConscript @@ -0,0 +1,15 @@ +# RT-Thread building script for trace component + +from building import * + +trace_module_folder = 'SystemView_Src_V240' + +cwd = GetCurrentDir() +src = Glob(trace_module_folder +'/Config/*.c') +src += Glob(trace_module_folder +'/SEGGER/*.c') + +CPPPATH = [cwd, os.path.join(cwd, trace_module_folder+'/Config')] +CPPPATH += [cwd, os.path.join(cwd, trace_module_folder+'/SEGGER')] +group = DefineGroup('trace', src, depend = ['RT_USING_HOOK','RT_USING_TRACE'], CPPPATH = CPPPATH) + +Return('group') diff --git a/components/trace/SystemView_Src_V240/Config/Global.h b/components/trace/SystemView_Src_V240/Config/Global.h new file mode 100644 index 000000000..556ddd161 --- /dev/null +++ b/components/trace/SystemView_Src_V240/Config/Global.h @@ -0,0 +1,88 @@ +/********************************************************************* +* SEGGER MICROCONTROLLER GmbH & Co. KG * +* Solutions for real time microcontroller applications * +********************************************************************** +* * +* (c) 2015 - 2016 SEGGER Microcontroller GmbH & Co. KG * +* * +* www.segger.com Support: support@segger.com * +* * +********************************************************************** +* * +* SEGGER SystemView * Real-time application analysis * +* * +********************************************************************** +* * +* All rights reserved. * +* * +* * This software may in its unmodified form be freely redistributed * +* in source form. * +* * The source code may be modified, provided the source code * +* retains the above copyright notice, this list of conditions and * +* the following disclaimer. * +* * Modified versions of this software in source or linkable form * +* may not be distributed without prior consent of SEGGER. * +* * +* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS "AS IS" AND * +* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, * +* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A * +* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL * +* SEGGER Microcontroller BE LIABLE FOR ANY DIRECT, INDIRECT, * +* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES * +* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * +* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * +* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, * +* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING * +* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS * +* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * +* * +********************************************************************** +* * +* SystemView version: V2.40 * +* * +********************************************************************** +---------------------------------------------------------------------- +File : Global.h +Purpose : Global types + In case your application already has a Global.h, you should + merge the files. In order to use Segger code, the types + U8, U16, U32, I8, I16, I32 need to be defined in Global.h; + additional definitions do not hurt. +---------------------------END-OF-HEADER------------------------------ +*/ + +#ifndef GLOBAL_H // Guard against multiple inclusion +#define GLOBAL_H + +#define U8 unsigned char +#define U16 unsigned short +#define U32 unsigned long +#define I8 signed char +#define I16 signed short +#define I32 signed long + +#ifdef _WIN32 + // + // Microsoft VC6 compiler related + // + #define U64 unsigned __int64 + #define U128 unsigned __int128 + #define I64 __int64 + #define I128 __int128 + #if _MSC_VER <= 1200 + #define U64_C(x) x##UI64 + #else + #define U64_C(x) x##ULL + #endif +#else + // + // C99 compliant compiler + // + #define U64 unsigned long long + #define I64 signed long long + #define U64_C(x) x##ULL +#endif + +#endif // Avoid multiple inclusion + +/*************************** End of file ****************************/ diff --git a/components/trace/SystemView_Src_V240/Config/SEGGER_RTT_Conf.h b/components/trace/SystemView_Src_V240/Config/SEGGER_RTT_Conf.h new file mode 100644 index 000000000..f38442efc --- /dev/null +++ b/components/trace/SystemView_Src_V240/Config/SEGGER_RTT_Conf.h @@ -0,0 +1,255 @@ +/********************************************************************* +* SEGGER MICROCONTROLLER GmbH & Co. KG * +* Solutions for real time microcontroller applications * +********************************************************************** +* * +* (c) 2015 - 2016 SEGGER Microcontroller GmbH & Co. KG * +* * +* www.segger.com Support: support@segger.com * +* * +********************************************************************** +* * +* SEGGER SystemView * Real-time application analysis * +* * +********************************************************************** +* * +* All rights reserved. * +* * +* * This software may in its unmodified form be freely redistributed * +* in source form. * +* * The source code may be modified, provided the source code * +* retains the above copyright notice, this list of conditions and * +* the following disclaimer. * +* * Modified versions of this software in source or linkable form * +* may not be distributed without prior consent of SEGGER. * +* * +* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS "AS IS" AND * +* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, * +* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A * +* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL * +* SEGGER Microcontroller BE LIABLE FOR ANY DIRECT, INDIRECT, * +* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES * +* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * +* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * +* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, * +* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING * +* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS * +* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * +* * +********************************************************************** +* * +* SystemView version: V2.40 * +* * +********************************************************************** +---------------------------------------------------------------------- +File : SEGGER_RTT_Conf.h +Purpose : Implementation of SEGGER real-time transfer (RTT) which + allows real-time communication on targets which support + debugger memory accesses while the CPU is running. +Revision: $Rev: 3892 $ +---------------------------END-OF-HEADER------------------------------ +*/ + +#ifndef SEGGER_RTT_CONF_H +#define SEGGER_RTT_CONF_H + +#ifdef __IAR_SYSTEMS_ICC__ + #include +#endif + +/********************************************************************* +* +* Defines, configurable +* +********************************************************************** +*/ + +#define SEGGER_RTT_MAX_NUM_UP_BUFFERS (3) // Max. number of up-buffers (T->H) available on this target (Default: 3) +#define SEGGER_RTT_MAX_NUM_DOWN_BUFFERS (3) // Max. number of down-buffers (H->T) available on this target (Default: 3) + +#define BUFFER_SIZE_UP (1024) // Size of the buffer for terminal output of target, up to host (Default: 1k) +#define BUFFER_SIZE_DOWN (16) // Size of the buffer for terminal input to target from host (Usually keyboard input) (Default: 16) + +#define SEGGER_RTT_PRINTF_BUFFER_SIZE (64u) // Size of buffer for RTT printf to bulk-send chars via RTT (Default: 64) + +#define SEGGER_RTT_MODE_DEFAULT SEGGER_RTT_MODE_NO_BLOCK_SKIP // Mode for pre-initialized terminal channel (buffer 0) + +// +// Target is not allowed to perform other RTT operations while string still has not been stored completely. +// Otherwise we would probably end up with a mixed string in the buffer. +// If using RTT from within interrupts, multiple tasks or multi processors, define the SEGGER_RTT_LOCK() and SEGGER_RTT_UNLOCK() function here. +// +// SEGGER_RTT_MAX_INTERRUPT_PRIORITY can be used in the sample lock routines on Cortex-M3/4. +// Make sure to mask all interrupts which can send RTT data, i.e. generate SystemView events, or cause task switches. +// When high-priority interrupts must not be masked while sending RTT data, SEGGER_RTT_MAX_INTERRUPT_PRIORITY needs to be adjusted accordingly. +// (Higher priority = lower priority number) +// Default value for embOS: 128u +// Default configuration in FreeRTOS: configMAX_SYSCALL_INTERRUPT_PRIORITY: ( configLIBRARY_MAX_SYSCALL_INTERRUPT_PRIORITY << (8 - configPRIO_BITS) ) +// In case of doubt mask all interrupts: 1 << (8 - BASEPRI_PRIO_BITS) i.e. 1 << 5 when 3 bits are implemented in NVIC +// or define SEGGER_RTT_LOCK() to completely disable interrupts. +// + +#define SEGGER_RTT_MAX_INTERRUPT_PRIORITY (0x20) // Interrupt priority to lock on SEGGER_RTT_LOCK on Cortex-M3/4 (Default: 0x20) + +/********************************************************************* +* +* RTT lock configuration for SEGGER Embedded Studio, +* Rowley CrossStudio and GCC +*/ +#if (defined __SES_ARM) || (defined __CROSSWORKS_ARM) || (defined __GNUC__) + #ifdef __ARM_ARCH_6M__ + #define SEGGER_RTT_LOCK() { \ + unsigned int LockState; \ + __asm volatile ("mrs %0, primask \n\t" \ + "mov r1, $1 \n\t" \ + "msr primask, r1 \n\t" \ + : "=r" (LockState) \ + : \ + : "r1" \ + ); + + #define SEGGER_RTT_UNLOCK() __asm volatile ("msr primask, %0 \n\t" \ + : \ + : "r" (LockState) \ + : \ + ); \ + } + + #elif (defined(__ARM_ARCH_7M__) || defined(__ARM_ARCH_7EM__)) + #ifndef SEGGER_RTT_MAX_INTERRUPT_PRIORITY + #define SEGGER_RTT_MAX_INTERRUPT_PRIORITY (0x20) + #endif + #define SEGGER_RTT_LOCK() { \ + unsigned int LockState; \ + __asm volatile ("mrs %0, basepri \n\t" \ + "mov r1, %1 \n\t" \ + "msr basepri, r1 \n\t" \ + : "=r" (LockState) \ + : "i"(SEGGER_RTT_MAX_INTERRUPT_PRIORITY) \ + : "r1" \ + ); + + #define SEGGER_RTT_UNLOCK() __asm volatile ("msr basepri, %0 \n\t" \ + : \ + : "r" (LockState) \ + : \ + ); \ + } + + #elif defined(__ARM_ARCH_7A__) + #define SEGGER_RTT_LOCK() { \ + unsigned int LockState; \ + __asm volatile ("mrs r1, CPSR \n\t" \ + "mov %0, r1 \n\t" \ + "orr r1, r1, #0xC0 \n\t" \ + "msr CPSR_c, r1 \n\t" \ + : "=r" (LockState) \ + : \ + : "r1" \ + ); + + #define SEGGER_RTT_UNLOCK() __asm volatile ("mov r0, %0 \n\t" \ + "mrs r1, CPSR \n\t" \ + "bic r1, r1, #0xC0 \n\t" \ + "and r0, r0, #0xC0 \n\t" \ + "orr r1, r1, r0 \n\t" \ + "msr CPSR_c, r1 \n\t" \ + : \ + : "r" (LockState) \ + : "r0", "r1" \ + ); \ + } +#else + #define SEGGER_RTT_LOCK() + #define SEGGER_RTT_UNLOCK() + #endif +#endif + +/********************************************************************* +* +* RTT lock configuration for IAR EWARM +*/ +#ifdef __ICCARM__ + #if (defined (__ARM6M__) && (__CORE__ == __ARM6M__)) + #define SEGGER_RTT_LOCK() { \ + unsigned int LockState; \ + LockState = __get_PRIMASK(); \ + __set_PRIMASK(1); + + #define SEGGER_RTT_UNLOCK() __set_PRIMASK(LockState); \ + } + #elif ((defined (__ARM7EM__) && (__CORE__ == __ARM7EM__)) || (defined (__ARM7M__) && (__CORE__ == __ARM7M__))) + #ifndef SEGGER_RTT_MAX_INTERRUPT_PRIORITY + #define SEGGER_RTT_MAX_INTERRUPT_PRIORITY (0x20) + #endif + #define SEGGER_RTT_LOCK() { \ + unsigned int LockState; \ + LockState = __get_BASEPRI(); \ + __set_BASEPRI(SEGGER_RTT_MAX_INTERRUPT_PRIORITY); + + #define SEGGER_RTT_UNLOCK() __set_BASEPRI(LockState); \ + } + #endif +#endif + +/********************************************************************* +* +* RTT lock configuration for IAR RX +*/ +#ifdef __ICCRX__ + #define SEGGER_RTT_LOCK() { \ + unsigned long LockState; \ + LockState = __get_interrupt_state(); \ + __disable_interrupt(); + + #define SEGGER_RTT_UNLOCK() __set_interrupt_state(LockState); \ + } +#endif + +/********************************************************************* +* +* RTT lock configuration for KEIL ARM +*/ +#ifdef __CC_ARM + #if (defined __TARGET_ARCH_6S_M) + #define SEGGER_RTT_LOCK() { \ + unsigned int LockState; \ + register unsigned char PRIMASK __asm( "primask"); \ + LockState = PRIMASK; \ + PRIMASK = 1u; \ + __schedule_barrier(); + + #define SEGGER_RTT_UNLOCK() PRIMASK = LockState; \ + __schedule_barrier(); \ + } + #elif (defined(__TARGET_ARCH_7_M) || defined(__TARGET_ARCH_7E_M)) + #ifndef SEGGER_RTT_MAX_INTERRUPT_PRIORITY + #define SEGGER_RTT_MAX_INTERRUPT_PRIORITY (0x20) + #endif + #define SEGGER_RTT_LOCK() { \ + unsigned int LockState; \ + register unsigned char BASEPRI __asm( "basepri"); \ + LockState = BASEPRI; \ + BASEPRI = SEGGER_RTT_MAX_INTERRUPT_PRIORITY; \ + __schedule_barrier(); + + #define SEGGER_RTT_UNLOCK() BASEPRI = LockState; \ + __schedule_barrier(); \ + } + #endif +#endif + +/********************************************************************* +* +* RTT lock configuration fallback +*/ +#ifndef SEGGER_RTT_LOCK + #define SEGGER_RTT_LOCK() // Lock RTT (nestable) (i.e. disable interrupts) +#endif + +#ifndef SEGGER_RTT_UNLOCK + #define SEGGER_RTT_UNLOCK() // Unlock RTT (nestable) (i.e. enable previous interrupt lock state) +#endif + +#endif +/*************************** End of file ****************************/ diff --git a/components/trace/SystemView_Src_V240/Config/SEGGER_SYSVIEW_Conf.h b/components/trace/SystemView_Src_V240/Config/SEGGER_SYSVIEW_Conf.h new file mode 100644 index 000000000..3261f348e --- /dev/null +++ b/components/trace/SystemView_Src_V240/Config/SEGGER_SYSVIEW_Conf.h @@ -0,0 +1,146 @@ +/********************************************************************* +* SEGGER MICROCONTROLLER GmbH & Co. KG * +* Solutions for real time microcontroller applications * +********************************************************************** +* * +* (c) 2015 - 2016 SEGGER Microcontroller GmbH & Co. KG * +* * +* www.segger.com Support: support@segger.com * +* * +********************************************************************** +* * +* SEGGER SystemView * Real-time application analysis * +* * +********************************************************************** +* * +* All rights reserved. * +* * +* * This software may in its unmodified form be freely redistributed * +* in source form. * +* * The source code may be modified, provided the source code * +* retains the above copyright notice, this list of conditions and * +* the following disclaimer. * +* * Modified versions of this software in source or linkable form * +* may not be distributed without prior consent of SEGGER. * +* * +* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS "AS IS" AND * +* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, * +* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A * +* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL * +* SEGGER Microcontroller BE LIABLE FOR ANY DIRECT, INDIRECT, * +* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES * +* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * +* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * +* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, * +* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING * +* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS * +* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * +* * +********************************************************************** +* * +* SystemView version: V2.40 * +* * +********************************************************************** +-------------------------- END-OF-HEADER ----------------------------- + +File : SEGGER_SYSVIEW_Conf.h +Purpose : SEGGER SystemView configuration. +Revision: $Rev: 3734 $ +*/ + +#ifndef SEGGER_SYSVIEW_CONF_H +#define SEGGER_SYSVIEW_CONF_H + +/********************************************************************* +* +* Defines, fixed +* +********************************************************************** +*/ +// +// Constants for known core configuration +// +#define SEGGER_SYSVIEW_CORE_OTHER 0 +#define SEGGER_SYSVIEW_CORE_CM0 1 // Cortex-M0/M0+/M1 +#define SEGGER_SYSVIEW_CORE_CM3 2 // Cortex-M3/M4/M7 +#define SEGGER_SYSVIEW_CORE_RX 3 // Renesas RX + +#if (defined __SES_ARM) || (defined __CROSSWORKS_ARM) || (defined __GNUC__) + #ifdef __ARM_ARCH_6M__ + #define SEGGER_SYSVIEW_CORE SEGGER_SYSVIEW_CORE_CM0 + #elif (defined(__ARM_ARCH_7M__) || defined(__ARM_ARCH_7EM__)) + #define SEGGER_SYSVIEW_CORE SEGGER_SYSVIEW_CORE_CM3 + #endif +#elif defined(__ICCARM__) + #if (defined (__ARM6M__) && (__CORE__ == __ARM6M__)) + #define SEGGER_SYSVIEW_CORE SEGGER_SYSVIEW_CORE_CM0 + #elif ((defined (__ARM7M__) && (__CORE__ == __ARM7M__)) || (defined (__ARM7EM__) && (__CORE__ == __ARM7EM__))) + #define SEGGER_SYSVIEW_CORE SEGGER_SYSVIEW_CORE_CM3 + #endif +#elif defined(__CC_ARM) + #if (defined(__TARGET_ARCH_6S_M)) + #define SEGGER_SYSVIEW_CORE SEGGER_SYSVIEW_CORE_CM0 + #elif (defined(__TARGET_ARCH_7_M) || defined(__TARGET_ARCH_7E_M)) + #define SEGGER_SYSVIEW_CORE SEGGER_SYSVIEW_CORE_CM3 + #endif +#elif defined(__ICCRX__) + #define SEGGER_SYSVIEW_CORE SEGGER_SYSVIEW_CORE_RX +#elif defined(__RX) + #define SEGGER_SYSVIEW_CORE SEGGER_SYSVIEW_CORE_RX +#endif + +#ifndef SEGGER_SYSVIEW_CORE + #define SEGGER_SYSVIEW_CORE SEGGER_SYSVIEW_CORE_OTHER +#endif + +/********************************************************************* +* +* Defines, configurable +* +********************************************************************** +*/ +/********************************************************************* +* +* SystemView buffer configuration +*/ +#define SEGGER_SYSVIEW_RTT_BUFFER_SIZE 1024 // Number of bytes that SystemView uses for the buffer. +#define SEGGER_SYSVIEW_RTT_CHANNEL 1 // The RTT channel that SystemView will use. 0: Auto selection + +#define SEGGER_SYSVIEW_USE_STATIC_BUFFER 1 // Use a static buffer to generate events instead of a buffer on the stack + +#define SEGGER_SYSVIEW_POST_MORTEM_MODE 0 // 1: Enable post mortem analysis mode + +/********************************************************************* +* +* SystemView timestamp configuration +*/ +#if SEGGER_SYSVIEW_CORE == SEGGER_SYSVIEW_CORE_CM3 + #define SEGGER_SYSVIEW_GET_TIMESTAMP() (*(U32 *)(0xE0001004)) // Retrieve a system timestamp. Cortex-M cycle counter. + #define SEGGER_SYSVIEW_TIMESTAMP_BITS 32 // Define number of valid bits low-order delivered by clock source +#else + #define SEGGER_SYSVIEW_GET_TIMESTAMP() SEGGER_SYSVIEW_X_GetTimestamp() // Retrieve a system timestamp via user-defined function + #define SEGGER_SYSVIEW_TIMESTAMP_BITS 32 // Define number of valid bits low-order delivered by SEGGER_SYSVIEW_X_GetTimestamp() +#endif + +/********************************************************************* +* +* SystemView Id configuration +*/ +#define SEGGER_SYSVIEW_ID_BASE 0x10000000 // Default value for the lowest Id reported by the application. Can be overridden by the application via SEGGER_SYSVIEW_SetRAMBase(). (i.e. 0x20000000 when all Ids are an address in this RAM) +#define SEGGER_SYSVIEW_ID_SHIFT 2 // Number of bits to shift the Id to save bandwidth. (i.e. 2 when Ids are 4 byte aligned) + +/********************************************************************* +* +* SystemView interrupt configuration +*/ +#if SEGGER_SYSVIEW_CORE == SEGGER_SYSVIEW_CORE_CM3 + #define SEGGER_SYSVIEW_GET_INTERRUPT_ID() ((*(U32 *)(0xE000ED04)) & 0x1FF) // Get the currently active interrupt Id. (i.e. read Cortex-M ICSR[8:0] = active vector) +#elif SEGGER_SYSVIEW_CORE == SEGGER_SYSVIEW_CORE_CM0 + #define SEGGER_SYSVIEW_GET_INTERRUPT_ID() ((*(U32 *)(0xE000ED04)) & 0x3F) // Get the currently active interrupt Id. (i.e. read Cortex-M ICSR[5:0] = active vector) +#else + #define SEGGER_SYSVIEW_GET_INTERRUPT_ID() SEGGER_SYSVIEW_X_GetInterruptId() // Get the currently active interrupt Id from the user-provided function. +#endif + +#endif // SEGGER_SYSVIEW_CONF_H + +/*************************** End of file ****************************/ diff --git a/components/trace/SystemView_Src_V240/Config/SEGGER_SYSVIEW_Config_RTThread.c b/components/trace/SystemView_Src_V240/Config/SEGGER_SYSVIEW_Config_RTThread.c new file mode 100644 index 000000000..dd28d8f70 --- /dev/null +++ b/components/trace/SystemView_Src_V240/Config/SEGGER_SYSVIEW_Config_RTThread.c @@ -0,0 +1,163 @@ +/********************************************************************* +* SEGGER MICROCONTROLLER GmbH & Co. KG * +* Solutions for real time microcontroller applications * +********************************************************************** +* * +* (c) 2015 - 2016 SEGGER Microcontroller GmbH & Co. KG * +* * +* www.segger.com Support: support@segger.com * +* * +********************************************************************** +* * +* SEGGER SystemView * Real-time application analysis * +* * +********************************************************************** +* * +* All rights reserved. * +* * +* * This software may in its unmodified form be freely redistributed * +* in source form. * +* * The source code may be modified, provided the source code * +* retains the above copyright notice, this list of conditions and * +* the following disclaimer. * +* * Modified versions of this software in source or linkable form * +* may not be distributed without prior consent of SEGGER. * +* * +* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS "AS IS" AND * +* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, * +* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A * +* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL * +* SEGGER Microcontroller BE LIABLE FOR ANY DIRECT, INDIRECT, * +* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES * +* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * +* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * +* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, * +* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING * +* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS * +* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * +* * +********************************************************************** +* * +* SystemView version: V2.38 * +* * +********************************************************************** +-------------------------- END-OF-HEADER ----------------------------- + +File : SEGGER_SYSVIEW_Config_RTThread.c +Purpose : Sample setup configuration of SystemView with RT-Thread. +Revision: $Rev: 3735 $ +*/ +#include "rtthread.h" +#include "SEGGER_SYSVIEW.h" +#include "SEGGER_SYSVIEW_RTThread.h" + +// +// SystemcoreClock can be used in most CMSIS compatible projects. +// In non-CMSIS projects define SYSVIEW_CPU_FREQ. +// +extern unsigned int SystemCoreClock; + +/********************************************************************* +* +* Defines, configurable +* +********************************************************************** +*/ +// The application name to be displayed in SystemViewer +#ifndef SYSVIEW_APP_NAME + #define SYSVIEW_APP_NAME "RT-Thread Trace" +#endif + +// The target device name +#ifndef SYSVIEW_DEVICE_NAME + #define SYSVIEW_DEVICE_NAME "Cortex-M4" +#endif + +// Frequency of the timestamp. Must match SEGGER_SYSVIEW_Conf.h +#ifndef SYSVIEW_TIMESTAMP_FREQ + #define SYSVIEW_TIMESTAMP_FREQ (SystemCoreClock) +#endif + +// System Frequency. SystemcoreClock is used in most CMSIS compatible projects. +#ifndef SYSVIEW_CPU_FREQ + #define SYSVIEW_CPU_FREQ (SystemCoreClock) +#endif + +// The lowest RAM address used for IDs (pointers) +#ifndef SYSVIEW_RAM_BASE + #define SYSVIEW_RAM_BASE (0x20000000) +#endif + +#ifndef SYSVIEW_SYSDESC0 + #define SYSVIEW_SYSDESC0 "I#15=SysTick" +#endif + +// Define as 1 if the Cortex-M cycle counter is used as SystemView timestamp. Must match SEGGER_SYSVIEW_Conf.h +#ifndef USE_CYCCNT_TIMESTAMP + #define USE_CYCCNT_TIMESTAMP 1 +#endif + +#ifndef SYSVIEW_SYSDESC1 + #define SYSVIEW_SYSDESC1 "I#53=IntUart1,I#77=IntEth0" +#endif + +//#ifndef SYSVIEW_SYSDESC2 + +// #define SYSVIEW_SYSDESC2 "" +//#endif + +/********************************************************************* +* +* Defines, fixed +* +********************************************************************** +*/ +#define DWT_CTRL (*(volatile rt_uint32_t*) (0xE0001000uL)) // DWT Control Register +#define NOCYCCNT_BIT (1uL << 25) // Cycle counter support bit +#define CYCCNTENA_BIT (1uL << 0) // Cycle counter enable bit + +/********************************************************************* +* +* _cbSendSystemDesc() +* +* Function description +* Sends SystemView description strings. +*/ +static void _cbSendSystemDesc(void) { + SEGGER_SYSVIEW_SendSysDesc("N="SYSVIEW_APP_NAME",O=RTThread,D="SYSVIEW_DEVICE_NAME); +#ifdef SYSVIEW_SYSDESC0 + SEGGER_SYSVIEW_SendSysDesc(SYSVIEW_SYSDESC0); +#endif +#ifdef SYSVIEW_SYSDESC1 + SEGGER_SYSVIEW_SendSysDesc(SYSVIEW_SYSDESC1); +#endif +#ifdef SYSVIEW_SYSDESC2 + SEGGER_SYSVIEW_SendSysDesc(SYSVIEW_SYSDESC2); +#endif +} + +extern const SEGGER_SYSVIEW_OS_API SYSVIEW_X_OS_TraceAPI; +/********************************************************************* +* +* Global functions +* +********************************************************************** +*/ +void SEGGER_SYSVIEW_Conf(void) { +#if USE_CYCCNT_TIMESTAMP + // + // The cycle counter must be activated in order + // to use time related functions. + // + if ((DWT_CTRL & NOCYCCNT_BIT) == 0) { // Cycle counter supported? + if ((DWT_CTRL & CYCCNTENA_BIT) == 0) { // Cycle counter not enabled? + DWT_CTRL |= CYCCNTENA_BIT; // Enable Cycle counter + } + } +#endif + SEGGER_SYSVIEW_Init(SYSVIEW_TIMESTAMP_FREQ, SYSVIEW_CPU_FREQ, + &SYSVIEW_X_OS_TraceAPI, _cbSendSystemDesc); + SEGGER_SYSVIEW_SetRAMBase(SYSVIEW_RAM_BASE); +} + +/*************************** End of file ****************************/ diff --git a/components/trace/SystemView_Src_V240/Config/SEGGER_SYSVIEW_RTThread.c b/components/trace/SystemView_Src_V240/Config/SEGGER_SYSVIEW_RTThread.c new file mode 100644 index 000000000..89c432a1f --- /dev/null +++ b/components/trace/SystemView_Src_V240/Config/SEGGER_SYSVIEW_RTThread.c @@ -0,0 +1,196 @@ +/********************************************************************* +* SEGGER MICROCONTROLLER GmbH & Co. KG * +* Solutions for real time microcontroller applications * +********************************************************************** +* * +* (c) 2015 - 2016 SEGGER Microcontroller GmbH & Co. KG * +* * +* www.segger.com Support: support@segger.com * +* * +********************************************************************** +* * +* SEGGER SystemView * Real-time application analysis * +* * +********************************************************************** +* * +* All rights reserved. * +* * +* * This software may in its unmodified form be freely redistributed * +* in source form. * +* * The source code may be modified, provided the source code * +* retains the above copyright notice, this list of conditions and * +* the following disclaimer. * +* * Modified versions of this software in source or linkable form * +* may not be distributed without prior consent of SEGGER. * +* * +* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS "AS IS" AND * +* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, * +* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A * +* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL * +* SEGGER Microcontroller BE LIABLE FOR ANY DIRECT, INDIRECT, * +* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES * +* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * +* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * +* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, * +* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING * +* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS * +* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * +* * +********************************************************************** +* * +* SystemView version: V2.40 * +* * +********************************************************************** +-------------------------- END-OF-HEADER ----------------------------- + +File : SEGGER_SYSVIEW_RTThread.c +Purpose : Interface between RT-Thread and System View. +Revision: $Rev: 3745 $ +*/ + +#include "rtthread.h" +#include "SEGGER_SYSVIEW.h" +#include "SEGGER_RTT.h" + +#ifndef RT_USING_HOOK +#error "SystemView is only works when feature RT_USING_HOOK is enable." +#endif +static rt_thread_t tidle; + +static U64 _cbGetTime(void) +{ + return (U64)(rt_tick_get() * 1000 / RT_TICK_PER_SECOND); +} + +static void _cbSendTaskInfo(const rt_thread_t thread) +{ + SEGGER_SYSVIEW_TASKINFO Info; + + rt_enter_critical(); + rt_memset(&Info, 0, sizeof(Info)); + Info.TaskID = (U32)thread; + + Info.sName = thread->name; + Info.Prio = thread->current_priority; + Info.StackBase = (U32)thread->stack_addr; + Info.StackSize = thread->stack_size; + + SEGGER_SYSVIEW_SendTaskInfo(&Info); + rt_exit_critical(); +} + +extern struct rt_object_information rt_object_container[]; + +static void _cbSendTaskList(void) +{ + struct rt_thread* thread; + struct rt_list_node* node; + struct rt_list_node* list = + &rt_object_container[RT_Object_Class_Thread].object_list; + + tidle = rt_thread_idle_gethandler(); + + rt_enter_critical(); + for(node = list->next; node != list; node = node->next) + { + thread = rt_list_entry(node, struct rt_thread, list); + /* skip idle thread */ + if(thread != tidle) + _cbSendTaskInfo(thread); + } + rt_exit_critical(); +} + +static void _cb_thread_resume(rt_thread_t thread) +{ + SEGGER_SYSVIEW_OnTaskStartReady((unsigned)thread); +} + +static void _cb_thread_suspend(rt_thread_t thread) +{ + SEGGER_SYSVIEW_OnTaskStopReady((unsigned)thread, 0); +} + +static void _cb_scheduler(rt_thread_t from, rt_thread_t to) +{ + SEGGER_SYSVIEW_OnTaskStopReady((unsigned)from, 0); + if(to == tidle) + SEGGER_SYSVIEW_OnIdle(); + else + SEGGER_SYSVIEW_OnTaskStartExec((unsigned)to); +} + +static void _cb_irq_enter(void) +{ + SEGGER_SYSVIEW_RecordEnterISR(); +} + +static void _cb_irq_leave(void) +{ + rt_thread_t current; + if(rt_interrupt_get_nest()) + { + SEGGER_SYSVIEW_RecordExitISR(); + return; + } + + SEGGER_SYSVIEW_RecordExitISRToScheduler(); + current = rt_thread_self(); + if(current == tidle) + SEGGER_SYSVIEW_OnIdle(); + else + SEGGER_SYSVIEW_OnTaskStartExec((unsigned)current); +} + +static void _cb_object_attach(struct rt_object* object) +{ + switch(object->type) + { + case RT_Object_Class_Thread: + SEGGER_SYSVIEW_OnTaskCreate((unsigned)object); + _cbSendTaskInfo((rt_thread_t)object); + break; + default: + break; + } +} +static void _cb_object_detach(struct rt_object* object) +{ + switch(object->type) + { + case RT_Object_Class_Thread: + SEGGER_SYSVIEW_OnTaskStopExec(); + break; + default: + break; + } +} + +// Services provided to SYSVIEW by RT-Thread +const SEGGER_SYSVIEW_OS_API SYSVIEW_X_OS_TraceAPI = { + _cbGetTime, _cbSendTaskList, +}; + +// RT-Thread init trace component +static int rt_trace_init(void) +{ + tidle = rt_thread_idle_gethandler(); + + SEGGER_SYSVIEW_Conf(); + + // register hooks + rt_object_attach_sethook(_cb_object_attach); + rt_object_detach_sethook(_cb_object_detach); + + rt_thread_suspend_sethook(_cb_thread_suspend); + rt_thread_resume_sethook(_cb_thread_resume); + + rt_scheduler_sethook(_cb_scheduler); + + rt_interrupt_enter_sethook(_cb_irq_enter); + rt_interrupt_leave_sethook(_cb_irq_leave); + return 0; +} +INIT_COMPONENT_EXPORT(rt_trace_init); + +/*************************** End of file ****************************/ diff --git a/components/trace/SystemView_Src_V240/Config/SEGGER_SYSVIEW_RTThread.h b/components/trace/SystemView_Src_V240/Config/SEGGER_SYSVIEW_RTThread.h new file mode 100644 index 000000000..8413c2785 --- /dev/null +++ b/components/trace/SystemView_Src_V240/Config/SEGGER_SYSVIEW_RTThread.h @@ -0,0 +1,74 @@ +/********************************************************************* +* SEGGER MICROCONTROLLER GmbH & Co. KG * +* Solutions for real time microcontroller applications * +********************************************************************** +* * +* (c) 2015 - 2016 SEGGER Microcontroller GmbH & Co. KG * +* * +* www.segger.com Support: support@segger.com * +* * +********************************************************************** +* * +* SEGGER SystemView * Real-time application analysis * +* * +********************************************************************** +* * +* All rights reserved. * +* * +* * This software may in its unmodified form be freely redistributed * +* in source form. * +* * The source code may be modified, provided the source code * +* retains the above copyright notice, this list of conditions and * +* the following disclaimer. * +* * Modified versions of this software in source or linkable form * +* may not be distributed without prior consent of SEGGER. * +* * +* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS "AS IS" AND * +* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, * +* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A * +* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL * +* SEGGER Microcontroller BE LIABLE FOR ANY DIRECT, INDIRECT, * +* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES * +* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * +* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * +* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, * +* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING * +* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS * +* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * +* * +********************************************************************** +* * +* SystemView version: V2.40 * +* * +********************************************************************** +-------------------------- END-OF-HEADER ----------------------------- + +File : SEGGER_SYSVIEW_RTThread.h +Purpose : Interface between RT-Thread and System View. +Revision: $Rev: 3735 $ +*/ + +#ifndef SYSVIEW_RTTHREAD_H +#define SYSVIEW_RTTHREAD_H + +#include "rtthread.h" +#include "SEGGER_SYSVIEW.h" + +/********************************************************************* +* +* Defines, configurable +* +********************************************************************** +*/ + +/********************************************************************* +* +* Defines, fixed +* +********************************************************************** +*/ +#define SYSVIEW_EVENTID_OFFSET (32u) + +#endif + +/*************************** End of file ****************************/ diff --git a/components/trace/SystemView_Src_V240/Description/SYSVIEW_RTThread.txt b/components/trace/SystemView_Src_V240/Description/SYSVIEW_RTThread.txt new file mode 100644 index 000000000..dc82feb1f --- /dev/null +++ b/components/trace/SystemView_Src_V240/Description/SYSVIEW_RTThread.txt @@ -0,0 +1,152 @@ +# +# OS Options +# + +# +# Types for parameter formatters +# +NamedType ResetMode 0=OS_EVENT_RESET_MODE_SEMIAUTO 1=OS_EVENT_RESET_MODE_MANUAL 2=OS_EVENT_RESET_MODE_AUTO +NamedType Bool 0=false 1=true +# +# Task States +# +TaskState 0xFC 0=Ready, 8=Wait for event, 16=Wait for sema zero, 24=Waiting, 32=Wait for sema not zero, 48=Wait for Queue not empty, 56=Wait for mailbox not full, 64=Wait for mailbox not empty, 72=Wait for event object, 80=Wait for Queue not full, 160=Wait for Memory pool, 4=Wait for timeout, 12=Wait for event with timeout, 20=Wait for sema zero with timeout, 28=Waiting with timeout, 36=Wait for sema not zero with timeout, 52=Wait for Queue not empty with timeout, 60=Wait for mailbox not full with timeout, 68=Wait for mailbox not empty with timeout, 76=Wait for event object with timeout, 84=Wait for Queue not full with timeout, 164=Wait for Memory pool with timeout +# +# API Functions +# +35 OS_CheckTimer pGlobal=%p +42 OS_Delay Delay=%u +43 OS_DelayUntil Time=%u +44 OS_SetPriority Task=%t Pri=%u +45 OS_WakeTask Task=%t +46 OS_CreateTask Task=%t Pri=%u Stack=%p Size=%u +47 OS_TerminateTask Task=%t +48 OS_Suspend Task=%t +49 OS_Resume Task=%t +50 OS_CreateTaskEx Task=%t Pri=%u Stack=%p Size=%u Context=%p +51 OS_Yield +52 OS_WaitEvent EventMask=%b | Returns %b +53 OS_WaitEventTimed EventMask=%b Timeout=%u | Returns %b +54 OS_SignalEvent Task=%t EventMask=%b +55 OS_ClearEvents Task=%t | Returns %b +62 OS_CreateMB MB=%p MsgSize=%u Max=%u Addr=%p +63 OS_ClearMB MB=%p +64 OS_DeleteMB MB=%p +65 OS_PutMail MB=%p Mail=%p +66 OS_GetMail MB=%p Dest=%p +67 OS_PutMailCond MB=%p Mail=%p | Returns %u +68 OS_GetMailCond MB=%p Dest=%p | Returns %u +70 OS_GetMailTimed MB=%p Dest=%p Timeout=%u | Returns %u +71 OS_WaitMail MB=%p +72 OS_PutMail1 MB=%p Data=%u +73 OS_GetMail1 MB=%p Dest=%p +74 OS_PutMailCond1 MB=%p Data=%u | Returns %u +75 OS_GetMailCond1 MB=%p Data=%p | Returns %u +78 OS_PutMailFront MB=%p Mail=%p +79 OS_PutMailFront1 MB=%p Data=%u +80 OS_PutMailFrontCond MB=%p Mail=%p | Returns %u +81 OS_PutMailFrontCond1 MB=%p Data=%c | Returns %u +82 OS_CreateRSema Sema=%p +83 OS_Use Sema=%I | Returns %u +84 OS_Unuse Sema=%I +85 OS_Request Sema=%p | Returns %u +86 OS_GetSemaValue Sema=%p | Returns %u +87 OS_DeleteRSema Sema=%p +91 OS_WaitMailTimed MB=%p Timeout=%u | Returns %u +92 OS_CreateCSema Sema=%p Init=%u +93 OS_DeleteCSema Sema=%p +94 OS_SignalCSema Sema=%p +95 OS_WaitCSema Sema=%p +96 OS_WaitCSemaTimed Sema=%p Timeout=%u | Returns %Bool +97 OS_SignalCSemaMax Sema=%p MaxValue=%u +98 OS_SetCSemaValue Sema=%p Value=%u | Returns %u +99 OS_CSemaRequest Sema=%p | Returns %Bool +102 OS_CreateTimer Timer=%p Callback=%p Timeout=%u +103 OS_DeleteTimer Timer=%p +104 OS_StartTimer Timer=%p +105 OS_StopTimer Timer=%p +106 OS_RetriggerTimer Timer=%p +107 OS_SetTimerPeriod Timer=%p Period=%u +108 OS_CreateTimerEx Timer=%p Callback=%p Timeout=%u Data=%p +112 OS_malloc Size=%u | Returns %p +113 OS_free Block=%p +114 OS_realloc Block=%p NewSize=%u | Returns %p +122 OS_MEMF_Create MEMF=%p Pool=%p NumBlocks=%u BlockSize=%u +123 OS_MEMF_Delete MEMF=%p +124 OS_MEMF_Alloc MEMF=%p Purpose=%u | Returns %p +163 OS_Delayus Delay=%u +164 OS_SuspendAllTasks +165 OS_ResumeAllSuspendedTasks +166 OS_WaitSingleEvent EventMask=%b | Returns %b +167 OS_WaitSingleEventTimed EventMask=%b Timeout=%u | Returns %b +168 OS_EVENT_Pulse Event=%I +169 OS_EVENT_Reset Event=%I +170 OS_EVENT_Set Event=%I +171 OS_EVENT_Wait Event=%I +172 OS_EVENT_WaitTimed Event=%I Timeout=%u | Returns %u +173 OS_EVENT_Create Event=%I +174 OS_EVENT_CreateEx Event=%I ResetMode=%u +175 OS_EVENT_Delete Event=%I +176 OS_PeekMail MB=%p Dest=%p | Returns %u +177 OS_Q_Create Queue=%p Size=%u +178 OS_Q_Delete Queue=%p +179 OS_Q_Clear Queue=%p +180 OS_Q_PutBlocked Queue=%p Src=%p Size=%u +181 OS_Q_Put Queue=%p Src=%p Size=%u | Returns %u +182 OS_Q_PutTimed Queue=%p Src=%p Size=%u Timeout=%u | Returns %u +183 OS_Q_GetPtr Queue=%p pData=%p | Returns %u +184 OS_Q_GetPtrCond Queue=%p pData=%p | Returns %u +185 OS_Q_GetPtrTimed Queue=%p pData=%p Timeout=%u | Returns %u +186 OS_Q_PeekPtr Queue=%p pData=%p | Returns %u +187 OS_Q_Purge Queue=%p +188 OS_MEMF_AllocTimed MEMF=%p Timeout=%u Purpose=%u | Returns %p +189 OS_MEMF_FreeBlock MemBlock=%p +190 OS_MEMF_Release MEMF=%p MemBlock=%p +191 OS_MEMF_Request MEMF=%p Purpose=%u | Returns %p +195 OS_UseTimed Sema=%I Timeout=%u | Returns %u +199 OS_SetTaskName Task=%t sName=%p +200 OS_AdjustTime Time=%u +201 OS_EVENT_Get Event=%p | Returns %b +202 OS_EVENT_GetResetMode Event=%p | Returns %ResetMode +203 OS_EVENT_SetResetMode Event=%p ResetMode=%ResetMode +204 OS_GetNumIdleTicks | Returns %u +205 OS_GetNumTasks | Returns %u +206 OS_GetPriority Task=%t | Returns %u +207 OS_GetSuspendCnt Task=%t | Returns %u +208 OS_Mail_GetPtr pMB=%p pDest=%p | Returns %u +209 OS_POWER_UsageInc Index=%u +210 OS_POWER_UsageDec Index=%u +211 OS_POWER_GetMask | Returns %u +212 OS_SetInitialSuspendCnt SuspendCnt=%u +213 OS_GetTime_us | Returns %u +214 OS_GetTime_us64 | Returns %u +216 OS_TICK_HandleNoHook +217 OS_TICK_AddHook Hook=%p pfUser=%p +218 OS_TICK_RemoveHook Hook=%p +219 OS_StartTicklessMode Time=%u Callback=%p +220 OS_StopTicklessMode +221 OS_GetCSemaValue Sema=%p | Returns %u +222 OS_GetEventsOccurred Task=%t | Returns %b +223 OS_IsTask Task=%t | Returns %Bool +224 OS_Q_GetMessageCnt Queue=%p | Returns %u +225 OS_Q_GetMessageSize Queue=%p | Returns %u +226 OS_Q_IsInUse Queue=%p | Returns %Bool +227 OS_SetTimeSlice Task=%t Timeslice=%u | Returns %u +228 OS_GetResourceOwner Sema=%p | Returns %t +229 OS_GetTimerPeriod Timer=%p | Returns %u +230 OS_GetTimerStatus Timer=%p | Returns %Bool +231 OS_GetTimervalue Timer=%p | Returns %u +232 OS_Timing_Start pCycle=%p +233 OS_Timing_End pCycle=%p +234 OS_Timing_Getus pCycle=%p | Returns %u +235 OS_Mail_GetPtrCond pMB=%p pDest=%p +236 OS_Mail_Purge pMB=%p +237 OS_Q_PutBlockedEx Queue=%p Src=%p NumSrc=%u +238 OS_Q_PutEx Queue=%p Src=%p NumSrc=%u | Returns %u +239 OS_Q_PutTimedEx Queue=%p Src=%p NumSrc=%u | Returns %u +240 OS_SPINLOCK_Create Spinlock=%p +241 OS_SPINLOCK_SW_Create Spinlock=%p +242 OS_SPINLOCK_Lock Spinlock=%p +243 OS_SPINLOCK_SW_Lock Spinlock=%p Id=%u +244 OS_SPINLOCK_Unlock Spinlock=%p +245 OS_SPINLOCK_SW_Unlock Spinlock=%p Id=%u diff --git a/components/trace/SystemView_Src_V240/License_SystemView.txt b/components/trace/SystemView_Src_V240/License_SystemView.txt new file mode 100644 index 000000000..3c71123d0 --- /dev/null +++ b/components/trace/SystemView_Src_V240/License_SystemView.txt @@ -0,0 +1,33 @@ +Important - Read carefully: + +This is a legal agreement between YOU as an individual and SEGGER Microcontroller GmbH & Co. KG ( hereafter called SEGGER). +All IP rights, title and interest in SystemView Utility is and shall at all times remain with SEGGER. +By downloading and/or using SystemView, YOU agree to be bound by the terms of this agreement. + + +1. License Grant +The SystemView Utility is provided in executable code form only. +YOU may use SystemView for personal or for commercial purposes. + +2. RESTRICTIONS +YOU may not: +(a) decompile, disassemble, reverse engineer, or otherwise attempt to derive the source code of SystemView, +(b) redistribute, encumber, sell, rent, lease, sublicense, or otherwise transfer rights to SystemView, +(c) remove or alter any trademark, logo, copyright or other proprietary notices, legends, symbols or label in SystemView. +Without prejudice to any other rights, SEGGER may terminate this agreement if YOU fail to comply with foregoing restrictions. + +3. FEES +SystemView can be used free of charge without purchasing a license. + +4. DISCLAIMER OF WARRANTY +SystemView is provided on an "as is" basis, without warranty of any kind, including without limitation the warranties that it is free of defects, merchantable, fit for a particular purpose or non-infringing. This disclaimer of warranty constitutes an essential part of this agreement. No use of SystemView is authorized hereunder except under this disclaimer. + +5. LIMITATION OF LIABILITY +To the maximum extent permitted by applicable law, in no event will SEGGER be liable for any indirect, special, incidental or consequential damages arising out of the use of or inability to use SystemView, including, without limitation, damages for loss of goodwill, work stoppage, computer failure or malfunction, or any and all other damages or losses, even if advised of the possibility thereof, and regardless of the legal or equitable theory (contract, tort or otherwise) upon which the claim is based. Some jurisdictions do not allow the exclusion or limitation of incidental or consequential damages, so this exclusion and limitation may not be applicable. In any case, SEGGER's entire liability shall not exceed in aggregate the sum of the fees YOU paid for SystemView (if any). + +6. MISCELLANEOUS +(a) This agreement shall be governed by the laws of the Federal Republic of Germany. This agreement constitutes the entire agreement between the parties concerning the subject matter hereof. +(b) If any provision in this agreement should be held illegal or unenforceable by a court having jurisdiction, such provision shall be modified to the extent necessary to render it enforceable without losing its intent, or severed from this agreement if no such modification is possible, and other provisions of this agreement shall remain in full force and effect.This agreement may be changed only by an amendment in writing, signed by both parties. +(c) If any SEGGER professional services are being provided, then such professional services are provided pursuant to the terms of a separate agreement. + +(c) 2004-2015 SEGGER Microcontroller GmbH & Co. KG diff --git a/components/trace/SystemView_Src_V240/SEGGER/SEGGER.h b/components/trace/SystemView_Src_V240/SEGGER/SEGGER.h new file mode 100644 index 000000000..4836834a1 --- /dev/null +++ b/components/trace/SystemView_Src_V240/SEGGER/SEGGER.h @@ -0,0 +1,141 @@ +/********************************************************************* +* SEGGER MICROCONTROLLER GmbH & Co. KG * +* Solutions for real time microcontroller applications * +********************************************************************** +* * +* (c) 2015 - 2016 SEGGER Microcontroller GmbH & Co. KG * +* * +* www.segger.com Support: support@segger.com * +* * +********************************************************************** +* * +* SEGGER SystemView * Real-time application analysis * +* * +********************************************************************** +* * +* All rights reserved. * +* * +* * This software may in its unmodified form be freely redistributed * +* in source form. * +* * The source code may be modified, provided the source code * +* retains the above copyright notice, this list of conditions and * +* the following disclaimer. * +* * Modified versions of this software in source or linkable form * +* may not be distributed without prior consent of SEGGER. * +* * +* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS "AS IS" AND * +* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, * +* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A * +* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL * +* SEGGER Microcontroller BE LIABLE FOR ANY DIRECT, INDIRECT, * +* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES * +* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * +* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * +* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, * +* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING * +* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS * +* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * +* * +********************************************************************** +* * +* SystemView version: V2.40 * +* * +********************************************************************** +---------------------------------------------------------------------- +File : SEGGER.h +Purpose : Global types etc & general purpose utility functions +---------------------------END-OF-HEADER------------------------------ +*/ + +#ifndef SEGGER_H // Guard against multiple inclusion +#define SEGGER_H + +#include "Global.h" // Type definitions: U8, U16, U32, I8, I16, I32 + +#if defined(__cplusplus) +extern "C" { /* Make sure we have C-declarations in C++ programs */ +#endif + +/********************************************************************* +* +* Keywords/specifiers +* +********************************************************************** +*/ + +#ifndef INLINE + #ifdef _WIN32 + // + // Microsoft VC6 and newer. + // Force inlining without cost checking. + // + #define INLINE __forceinline + #else + #if (defined(__ICCARM__) || defined(__CC_ARM) || defined(__GNUC__) || defined(__RX) || defined(__ICCRX__)) + // + // Other known compilers. + // + #define INLINE inline + #else + // + // Unknown compilers. + // + #define INLINE + #endif + #endif +#endif + +/********************************************************************* +* +* Function-like macros +* +********************************************************************** +*/ + +#define SEGGER_COUNTOF(a) (sizeof((a))/sizeof((a)[0])) +#define SEGGER_MIN(a,b) (((a) < (b)) ? (a) : (b)) +#define SEGGER_MAX(a,b) (((a) > (b)) ? (a) : (b)) + +/********************************************************************* +* +* Types +* +********************************************************************** +*/ + +typedef struct { + char *pBuffer; + int BufferSize; + int Cnt; +} SEGGER_BUFFER_DESC; + +typedef struct { + int CacheLineSize; // 0: No Cache. Most Systems such as ARM9 use a 32 bytes cache line size. + void (*pfDMB) (void); // Optional DMB function for Data Memory Barrier to make sure all memory operations are completed. + void (*pfClean) (void *p, unsigned NumBytes); // Optional clean function for cached memory. + void (*pfInvalidate)(void *p, unsigned NumBytes); // Optional invalidate function for cached memory. +} SEGGER_CACHE_CONFIG; + +/********************************************************************* +* +* Utility functions +* +********************************************************************** +*/ + +void SEGGER_ARM_memcpy (void *pDest, const void *pSrc, int NumBytes); +void SEGGER_memcpy (void *pDest, const void *pSrc, int NumBytes); +void SEGGER_memxor (void *pDest, const void *pSrc, unsigned NumBytes); +void SEGGER_StoreChar (SEGGER_BUFFER_DESC *p, char c); +void SEGGER_PrintUnsigned(SEGGER_BUFFER_DESC *pBufferDesc, U32 v, unsigned Base, int NumDigits); +void SEGGER_PrintInt (SEGGER_BUFFER_DESC *pBufferDesc, I32 v, unsigned Base, unsigned NumDigits); +int SEGGER_snprintf (char *pBuffer, int BufferSize, const char *sFormat, ...); + + +#if defined(__cplusplus) +} /* Make sure we have C-declarations in C++ programs */ +#endif + +#endif // Avoid multiple inclusion + +/*************************** End of file ****************************/ diff --git a/components/trace/SystemView_Src_V240/SEGGER/SEGGER_RTT.c b/components/trace/SystemView_Src_V240/SEGGER/SEGGER_RTT.c new file mode 100644 index 000000000..c65ec3a66 --- /dev/null +++ b/components/trace/SystemView_Src_V240/SEGGER/SEGGER_RTT.c @@ -0,0 +1,1371 @@ +/********************************************************************* +* SEGGER MICROCONTROLLER GmbH & Co. KG * +* Solutions for real time microcontroller applications * +********************************************************************** +* * +* (c) 2015 - 2016 SEGGER Microcontroller GmbH & Co. KG * +* * +* www.segger.com Support: support@segger.com * +* * +********************************************************************** +* * +* SEGGER SystemView * Real-time application analysis * +* * +********************************************************************** +* * +* All rights reserved. * +* * +* * This software may in its unmodified form be freely redistributed * +* in source form. * +* * The source code may be modified, provided the source code * +* retains the above copyright notice, this list of conditions and * +* the following disclaimer. * +* * Modified versions of this software in source or linkable form * +* may not be distributed without prior consent of SEGGER. * +* * +* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS "AS IS" AND * +* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, * +* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A * +* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL * +* SEGGER Microcontroller BE LIABLE FOR ANY DIRECT, INDIRECT, * +* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES * +* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * +* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * +* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, * +* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING * +* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS * +* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * +* * +********************************************************************** +* * +* SystemView version: V2.40 * +* * +********************************************************************** +---------------------------END-OF-HEADER------------------------------ +File : SEGGER_RTT.c +Purpose : Implementation of SEGGER real-time transfer (RTT) which + allows real-time communication on targets which support + debugger memory accesses while the CPU is running. +Revision: $Rev: 3882 $ + +Additional information: + Type "int" is assumed to be 32-bits in size + H->T Host to target communication + T->H Target to host communication + + RTT channel 0 is always present and reserved for Terminal usage. + Name is fixed to "Terminal" + + Effective buffer size: SizeOfBuffer - 1 + + WrOff == RdOff: Buffer is empty + WrOff == (RdOff - 1): Buffer is full + WrOff > RdOff: Free space includes wrap-around + WrOff < RdOff: Used space includes wrap-around + (WrOff == (SizeOfBuffer - 1)) && (RdOff == 0): + Buffer full and wrap-around after next byte + + +---------------------------------------------------------------------- +*/ + +#include "SEGGER_RTT.h" + +#include // for memcpy + +/********************************************************************* +* +* Configuration, default values +* +********************************************************************** +*/ + +#ifndef BUFFER_SIZE_UP + #define BUFFER_SIZE_UP 1024 // Size of the buffer for terminal output of target, up to host +#endif + +#ifndef BUFFER_SIZE_DOWN + #define BUFFER_SIZE_DOWN 16 // Size of the buffer for terminal input to target from host (Usually keyboard input) +#endif + +#ifndef SEGGER_RTT_MAX_NUM_UP_BUFFERS + #define SEGGER_RTT_MAX_NUM_UP_BUFFERS 2 // Number of up-buffers (T->H) available on this target +#endif + +#ifndef SEGGER_RTT_MAX_NUM_DOWN_BUFFERS + #define SEGGER_RTT_MAX_NUM_DOWN_BUFFERS 2 // Number of down-buffers (H->T) available on this target +#endif + +#ifndef SEGGER_RTT_BUFFER_SECTION + #if defined(SEGGER_RTT_SECTION) + #define SEGGER_RTT_BUFFER_SECTION SEGGER_RTT_SECTION + #endif +#endif + +#ifndef SEGGER_RTT_ALIGNMENT + #define SEGGER_RTT_ALIGNMENT 0 +#endif + +#ifndef SEGGER_RTT_BUFFER_ALIGNMENT + #define SEGGER_RTT_BUFFER_ALIGNMENT 0 +#endif + +#ifndef SEGGER_RTT_MODE_DEFAULT + #define SEGGER_RTT_MODE_DEFAULT SEGGER_RTT_MODE_NO_BLOCK_SKIP +#endif + +#ifndef SEGGER_RTT_LOCK + #define SEGGER_RTT_LOCK() +#endif + +#ifndef SEGGER_RTT_UNLOCK + #define SEGGER_RTT_UNLOCK() +#endif + +#ifndef STRLEN + #define STRLEN(a) strlen((a)) +#endif + +#ifndef MEMCPY + #define MEMCPY(pDest, pSrc, NumBytes) memcpy((pDest), (pSrc), (NumBytes)) +#endif + +#ifndef MIN + #define MIN(a, b) (((a) < (b)) ? (a) : (b)) +#endif + +#ifndef MAX + #define MAX(a, b) (((a) > (b)) ? (a) : (b)) +#endif +// +// For some environments, NULL may not be defined until certain headers are included +// +#ifndef NULL + #define NULL 0 +#endif + +/********************************************************************* +* +* Defines, fixed +* +********************************************************************** +*/ +#if (defined __ICCARM__) || (defined __ICCRX__) + #define RTT_PRAGMA(P) _Pragma(#P) +#endif + +#if SEGGER_RTT_ALIGNMENT || SEGGER_RTT_BUFFER_ALIGNMENT + #if (defined __GNUC__) + #define SEGGER_RTT_ALIGN(Var, Alignment) Var __attribute__ ((aligned (Alignment))) + #elif (defined __ICCARM__) || (defined __ICCRX__) + #define PRAGMA(A) _Pragma(#A) +#define SEGGER_RTT_ALIGN(Var, Alignment) RTT_PRAGMA(data_alignment=Alignment) \ + Var + #elif (defined __CC_ARM__) + #define SEGGER_RTT_ALIGN(Var, Alignment) Var __attribute__ ((aligned (Alignment))) + #else + #error "Alignment not supported for this compiler." + #endif +#else + #define SEGGER_RTT_ALIGN(Var, Alignment) Var +#endif + +#if defined(SEGGER_RTT_SECTION) || defined (SEGGER_RTT_BUFFER_SECTION) + #if (defined __GNUC__) + #define SEGGER_RTT_PUT_SECTION(Var, Section) __attribute__ ((section (Section))) Var + #elif (defined __ICCARM__) || (defined __ICCRX__) +#define SEGGER_RTT_PUT_SECTION(Var, Section) RTT_PRAGMA(location=Section) \ + Var + #elif (defined __CC_ARM__) + #define SEGGER_RTT_PUT_SECTION(Var, Section) __attribute__ ((section (Section), zero_init)) Var + #else + #error "Section placement not supported for this compiler." + #endif +#else + #define SEGGER_RTT_PUT_SECTION(Var, Section) Var +#endif + + +#if SEGGER_RTT_ALIGNMENT + #define SEGGER_RTT_CB_ALIGN(Var) SEGGER_RTT_ALIGN(Var, SEGGER_RTT_ALIGNMENT) +#else + #define SEGGER_RTT_CB_ALIGN(Var) Var +#endif + +#if SEGGER_RTT_BUFFER_ALIGNMENT + #define SEGGER_RTT_BUFFER_ALIGN(Var) SEGGER_RTT_ALIGN(Var, SEGGER_RTT_BUFFER_ALIGNMENT) +#else + #define SEGGER_RTT_BUFFER_ALIGN(Var) Var +#endif + + +#if defined(SEGGER_RTT_SECTION) + #define SEGGER_RTT_PUT_CB_SECTION(Var) SEGGER_RTT_PUT_SECTION(Var, SEGGER_RTT_SECTION) +#else + #define SEGGER_RTT_PUT_CB_SECTION(Var) Var +#endif + +#if defined(SEGGER_RTT_BUFFER_SECTION) + #define SEGGER_RTT_PUT_BUFFER_SECTION(Var) SEGGER_RTT_PUT_SECTION(Var, SEGGER_RTT_BUFFER_SECTION) +#else + #define SEGGER_RTT_PUT_BUFFER_SECTION(Var) Var +#endif + +/********************************************************************* +* +* Static const data +* +********************************************************************** +*/ + +static unsigned char _aTerminalId[16] = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F' }; + +/********************************************************************* +* +* Static data +* +********************************************************************** +*/ +// +// RTT Control Block and allocate buffers for channel 0 +// +SEGGER_RTT_PUT_CB_SECTION(SEGGER_RTT_CB_ALIGN(SEGGER_RTT_CB _SEGGER_RTT)); + +SEGGER_RTT_PUT_BUFFER_SECTION(SEGGER_RTT_BUFFER_ALIGN(static char _acUpBuffer [BUFFER_SIZE_UP])); +SEGGER_RTT_PUT_BUFFER_SECTION(SEGGER_RTT_BUFFER_ALIGN(static char _acDownBuffer[BUFFER_SIZE_DOWN])); + +static char _ActiveTerminal; + +/********************************************************************* +* +* Static functions +* +********************************************************************** +*/ + +/********************************************************************* +* +* _DoInit() +* +* Function description +* Initializes the control block an buffers. +* May only be called via INIT() to avoid overriding settings. +* +*/ +#define INIT() do { \ + if (_SEGGER_RTT.acID[0] == '\0') { _DoInit(); } \ + } while (0) +static void _DoInit(void) { + SEGGER_RTT_CB* p; + // + // Initialize control block + // + p = &_SEGGER_RTT; + p->MaxNumUpBuffers = SEGGER_RTT_MAX_NUM_UP_BUFFERS; + p->MaxNumDownBuffers = SEGGER_RTT_MAX_NUM_DOWN_BUFFERS; + // + // Initialize up buffer 0 + // + p->aUp[0].sName = "Terminal"; + p->aUp[0].pBuffer = _acUpBuffer; + p->aUp[0].SizeOfBuffer = sizeof(_acUpBuffer); + p->aUp[0].RdOff = 0u; + p->aUp[0].WrOff = 0u; + p->aUp[0].Flags = SEGGER_RTT_MODE_DEFAULT; + // + // Initialize down buffer 0 + // + p->aDown[0].sName = "Terminal"; + p->aDown[0].pBuffer = _acDownBuffer; + p->aDown[0].SizeOfBuffer = sizeof(_acDownBuffer); + p->aDown[0].RdOff = 0u; + p->aDown[0].WrOff = 0u; + p->aDown[0].Flags = SEGGER_RTT_MODE_DEFAULT; + // + // Finish initialization of the control block. + // Copy Id string in three steps to make sure "SEGGER RTT" is not found + // in initializer memory (usually flash) by J-Link + // + strcpy(&p->acID[7], "RTT"); + strcpy(&p->acID[0], "SEGGER"); + p->acID[6] = ' '; +} + +/********************************************************************* +* +* _WriteBlocking() +* +* Function description +* Stores a specified number of characters in SEGGER RTT ring buffer +* and updates the associated write pointer which is periodically +* read by the host. +* The caller is responsible for managing the write chunk sizes as +* _WriteBlocking() will block until all data has been posted successfully. +* +* Parameters +* pRing Ring buffer to post to. +* pBuffer Pointer to character array. Does not need to point to a \0 terminated string. +* NumBytes Number of bytes to be stored in the SEGGER RTT control block. +* +* Return value +* >= 0 - Number of bytes written into buffer. +*/ +static unsigned _WriteBlocking(SEGGER_RTT_BUFFER_UP* pRing, const char* pBuffer, unsigned NumBytes) { + unsigned NumBytesToWrite; + unsigned NumBytesWritten; + unsigned RdOff; + unsigned WrOff; + // + // Write data to buffer and handle wrap-around if necessary + // + NumBytesWritten = 0u; + WrOff = pRing->WrOff; + do { + RdOff = pRing->RdOff; // May be changed by host (debug probe) in the meantime + if (RdOff > WrOff) { + NumBytesToWrite = RdOff - WrOff - 1u; + } else { + NumBytesToWrite = pRing->SizeOfBuffer - (WrOff - RdOff + 1u); + } + NumBytesToWrite = MIN(NumBytesToWrite, (pRing->SizeOfBuffer - WrOff)); // Number of bytes that can be written until buffer wrap-around + NumBytesToWrite = MIN(NumBytesToWrite, NumBytes); + memcpy(pRing->pBuffer + WrOff, pBuffer, NumBytesToWrite); + NumBytesWritten += NumBytesToWrite; + pBuffer += NumBytesToWrite; + NumBytes -= NumBytesToWrite; + WrOff += NumBytesToWrite; + if (WrOff == pRing->SizeOfBuffer) { + WrOff = 0u; + } + pRing->WrOff = WrOff; + } while (NumBytes); + // + return NumBytesWritten; +} + +/********************************************************************* +* +* _WriteNoCheck() +* +* Function description +* Stores a specified number of characters in SEGGER RTT ring buffer +* and updates the associated write pointer which is periodically +* read by the host. +* It is callers responsibility to make sure data actually fits in buffer. +* +* Parameters +* pRing Ring buffer to post to. +* pBuffer Pointer to character array. Does not need to point to a \0 terminated string. +* NumBytes Number of bytes to be stored in the SEGGER RTT control block. +* +* Notes +* (1) If there might not be enough space in the "Up"-buffer, call _WriteBlocking +*/ +static void _WriteNoCheck(SEGGER_RTT_BUFFER_UP* pRing, const char* pData, unsigned NumBytes) { + unsigned NumBytesAtOnce; + unsigned WrOff; + unsigned Rem; + + WrOff = pRing->WrOff; + Rem = pRing->SizeOfBuffer - WrOff; + if (Rem > NumBytes) { + // + // All data fits before wrap around + // + memcpy(pRing->pBuffer + WrOff, pData, NumBytes); + pRing->WrOff = WrOff + NumBytes; + } else { + // + // We reach the end of the buffer, so need to wrap around + // + NumBytesAtOnce = Rem; + memcpy(pRing->pBuffer + WrOff, pData, NumBytesAtOnce); + NumBytesAtOnce = NumBytes - Rem; + memcpy(pRing->pBuffer, pData + Rem, NumBytesAtOnce); + pRing->WrOff = NumBytesAtOnce; + } +} + +/********************************************************************* +* +* _PostTerminalSwitch() +* +* Function description +* Switch terminal to the given terminal ID. It is the caller's +* responsibility to ensure the terminal ID is correct and there is +* enough space in the buffer for this to complete successfully. +* +* Parameters +* pRing Ring buffer to post to. +* TerminalId Terminal ID to switch to. +*/ +static void _PostTerminalSwitch(SEGGER_RTT_BUFFER_UP* pRing, unsigned char TerminalId) { + char ac[2]; + + ac[0] = 0xFFu; + ac[1] = _aTerminalId[TerminalId]; // Caller made already sure that TerminalId does not exceed our terminal limit + _WriteBlocking(pRing, ac, 2u); +} + +/********************************************************************* +* +* _GetAvailWriteSpace() +* +* Function description +* Returns the number of bytes that can be written to the ring +* buffer without blocking. +* +* Parameters +* pRing Ring buffer to check. +* +* Return value +* Number of bytes that are free in the buffer. +*/ +static unsigned _GetAvailWriteSpace(SEGGER_RTT_BUFFER_UP* pRing) { + unsigned RdOff; + unsigned WrOff; + unsigned r; + // + // Avoid warnings regarding volatile access order. It's not a problem + // in this case, but dampen compiler enthusiasm. + // + RdOff = pRing->RdOff; + WrOff = pRing->WrOff; + if (RdOff <= WrOff) { + r = pRing->SizeOfBuffer - 1u - WrOff + RdOff; + } else { + r = RdOff - WrOff - 1u; + } + return r; +} + +/********************************************************************* +* +* Public code +* +********************************************************************** +*/ +/********************************************************************* +* +* SEGGER_RTT_ReadNoLock() +* +* Function description +* Reads characters from SEGGER real-time-terminal control block +* which have been previously stored by the host. +* Do not lock against interrupts and multiple access. +* +* Parameters +* BufferIndex Index of Down-buffer to be used (e.g. 0 for "Terminal"). +* pBuffer Pointer to buffer provided by target application, to copy characters from RTT-down-buffer to. +* BufferSize Size of the target application buffer. +* +* Return value +* Number of bytes that have been read. +*/ +unsigned SEGGER_RTT_ReadNoLock(unsigned BufferIndex, void* pData, unsigned BufferSize) { + unsigned NumBytesRem; + unsigned NumBytesRead; + unsigned RdOff; + unsigned WrOff; + unsigned char* pBuffer; + SEGGER_RTT_BUFFER_DOWN* pRing; + // + INIT(); + pRing = &_SEGGER_RTT.aDown[BufferIndex]; + pBuffer = (unsigned char*)pData; + RdOff = pRing->RdOff; + WrOff = pRing->WrOff; + NumBytesRead = 0u; + // + // Read from current read position to wrap-around of buffer, first + // + if (RdOff > WrOff) { + NumBytesRem = pRing->SizeOfBuffer - RdOff; + NumBytesRem = MIN(NumBytesRem, BufferSize); + memcpy(pBuffer, pRing->pBuffer + RdOff, NumBytesRem); + NumBytesRead += NumBytesRem; + pBuffer += NumBytesRem; + BufferSize -= NumBytesRem; + RdOff += NumBytesRem; + // + // Handle wrap-around of buffer + // + if (RdOff == pRing->SizeOfBuffer) { + RdOff = 0u; + } + } + // + // Read remaining items of buffer + // + NumBytesRem = WrOff - RdOff; + NumBytesRem = MIN(NumBytesRem, BufferSize); + if (NumBytesRem > 0u) { + memcpy(pBuffer, pRing->pBuffer + RdOff, NumBytesRem); + NumBytesRead += NumBytesRem; + pBuffer += NumBytesRem; + BufferSize -= NumBytesRem; + RdOff += NumBytesRem; + } + if (NumBytesRead) { + pRing->RdOff = RdOff; + } + // + return NumBytesRead; +} + +/********************************************************************* +* +* SEGGER_RTT_Read +* +* Function description +* Reads characters from SEGGER real-time-terminal control block +* which have been previously stored by the host. +* +* Parameters +* BufferIndex Index of Down-buffer to be used (e.g. 0 for "Terminal"). +* pBuffer Pointer to buffer provided by target application, to copy characters from RTT-down-buffer to. +* BufferSize Size of the target application buffer. +* +* Return value +* Number of bytes that have been read. +*/ +unsigned SEGGER_RTT_Read(unsigned BufferIndex, void* pBuffer, unsigned BufferSize) { + unsigned NumBytesRead; + // + SEGGER_RTT_LOCK(); + // + // Call the non-locking read function + // + NumBytesRead = SEGGER_RTT_ReadNoLock(BufferIndex, pBuffer, BufferSize); + // + // Finish up. + // + SEGGER_RTT_UNLOCK(); + // + return NumBytesRead; +} + +/********************************************************************* +* +* SEGGER_RTT_WriteWithOverwriteNoLock +* +* Function description +* Stores a specified number of characters in SEGGER RTT +* control block. +* SEGGER_RTT_WriteWithOverwriteNoLock does not lock the application +* and overwrites data if the data does not fit into the buffer. +* +* Parameters +* BufferIndex Index of "Up"-buffer to be used (e.g. 0 for "Terminal"). +* pBuffer Pointer to character array. Does not need to point to a \0 terminated string. +* NumBytes Number of bytes to be stored in the SEGGER RTT control block. +* +* Notes +* (1) If there is not enough space in the "Up"-buffer, data is overwritten. +* (2) For performance reasons this function does not call Init() +* and may only be called after RTT has been initialized. +* Either by calling SEGGER_RTT_Init() or calling another RTT API function first. +* (3) Do not use SEGGER_RTT_WriteWithOverwriteNoLock if a J-Link +* connection reads RTT data. +*/ +void SEGGER_RTT_WriteWithOverwriteNoLock(unsigned BufferIndex, const void* pBuffer, unsigned NumBytes) { + const char* pData; + SEGGER_RTT_BUFFER_UP* pRing; + unsigned Avail; + + pData = (const char *)pBuffer; + // + // Get "to-host" ring buffer and copy some elements into local variables. + // + pRing = &_SEGGER_RTT.aUp[BufferIndex]; + // + // Check if we will overwrite data and need to adjust the RdOff. + // + if (pRing->WrOff == pRing->RdOff) { + Avail = pRing->SizeOfBuffer - 1u; + } else if ( pRing->WrOff < pRing->RdOff) { + Avail = pRing->RdOff - pRing->WrOff - 1u; + } else { + Avail = pRing->RdOff - pRing->WrOff - 1u + pRing->SizeOfBuffer; + } + if (NumBytes > Avail) { + pRing->RdOff += (NumBytes - Avail); + while (pRing->RdOff >= pRing->SizeOfBuffer) { + pRing->RdOff -= pRing->SizeOfBuffer; + } + } + // + // Write all data, no need to check the RdOff, but possibly handle multiple wrap-arounds + // + Avail = pRing->SizeOfBuffer - pRing->WrOff; + do { + if (Avail > NumBytes) { + // + // Last round + // +#if 1 // memcpy() is good for large amounts of data, but the overhead is too big for small amounts. Use a simple byte loop instead. + char* pDst; + pDst = pRing->pBuffer + pRing->WrOff; + pRing->WrOff += NumBytes; + do { + *pDst++ = *pData++; + } while (--NumBytes); +#else + memcpy(pRing->pBuffer + WrOff, pData, NumBytes); + pRing->WrOff += NumBytes; +#endif + break; //Alternatively: NumBytes = 0; + } else { + // + // Wrap-around necessary, write until wrap-around and reset WrOff + // + memcpy(pRing->pBuffer + pRing->WrOff, pData, Avail); + pData += Avail; + pRing->WrOff = 0; + NumBytes -= Avail; + Avail = (pRing->SizeOfBuffer - 1); + } + } while (NumBytes); +} + +/********************************************************************* +* +* SEGGER_RTT_WriteSkipNoLock +* +* Function description +* Stores a specified number of characters in SEGGER RTT +* control block which is then read by the host. +* SEGGER_RTT_WriteSkipNoLock does not lock the application and +* skips all data, if the data does not fit into the buffer. +* +* Parameters +* BufferIndex Index of "Up"-buffer to be used (e.g. 0 for "Terminal"). +* pBuffer Pointer to character array. Does not need to point to a \0 terminated string. +* NumBytes Number of bytes to be stored in the SEGGER RTT control block. +* +* Return value +* Number of bytes which have been stored in the "Up"-buffer. +* +* Notes +* (1) If there is not enough space in the "Up"-buffer, all data is dropped. +* (2) For performance reasons this function does not call Init() +* and may only be called after RTT has been initialized. +* Either by calling SEGGER_RTT_Init() or calling another RTT API function first. +*/ +unsigned SEGGER_RTT_WriteSkipNoLock(unsigned BufferIndex, const void* pBuffer, unsigned NumBytes) { + const char* pData; + SEGGER_RTT_BUFFER_UP* pRing; + unsigned Avail; + unsigned RdOff; + unsigned WrOff; + unsigned Rem; + + pData = (const char *)pBuffer; + // + // Get "to-host" ring buffer and copy some elements into local variables. + // + pRing = &_SEGGER_RTT.aUp[BufferIndex]; + RdOff = pRing->RdOff; + WrOff = pRing->WrOff; + // + // Handle the most common cases fastest. + // Which is: + // RdOff <= WrOff -> Space until wrap around is free. + // AND + // WrOff + NumBytes < SizeOfBuffer -> No Wrap around necessary. + // + // OR + // + // RdOff > WrOff -> Space until RdOff - 1 is free. + // AND + // WrOff + NumBytes < RdOff -> Data fits into buffer + // + if (RdOff <= WrOff) { + // + // Get space until WrOff will be at wrap around. + // + Avail = pRing->SizeOfBuffer - 1u - WrOff ; + if (Avail >= NumBytes) { +#if 1 // memcpy() is good for large amounts of data, but the overhead is too big for small amounts. Use a simple byte loop instead. + char* pDst; + pDst = pRing->pBuffer + WrOff; + WrOff += NumBytes; + do { + *pDst++ = *pData++; + } while (--NumBytes); + pRing->WrOff = WrOff + NumBytes; +#else + memcpy(pRing->pBuffer + WrOff, pData, NumBytes); + pRing->WrOff = WrOff + NumBytes; +#endif + return 1; + } + // + // If data did not fit into space until wrap around calculate complete space in buffer. + // + Avail += RdOff; + // + // If there is still no space for the whole of this output, don't bother. + // + if (Avail >= NumBytes) { + // + // OK, we have enough space in buffer. Copy in one or 2 chunks + // + Rem = pRing->SizeOfBuffer - WrOff; // Space until end of buffer + if (Rem > NumBytes) { + memcpy(pRing->pBuffer + WrOff, pData, NumBytes); + pRing->WrOff = WrOff + NumBytes; + } else { + // + // We reach the end of the buffer, so need to wrap around + // + memcpy(pRing->pBuffer + WrOff, pData, Rem); + memcpy(pRing->pBuffer, pData + Rem, NumBytes - Rem); + pRing->WrOff = NumBytes - Rem; + } + return 1; + } + } else { + Avail = RdOff - WrOff - 1u; + if (Avail >= NumBytes) { + memcpy(pRing->pBuffer + WrOff, pData, NumBytes); + pRing->WrOff = WrOff + NumBytes; + return 1; + } + } + // + // If we reach this point no data has been written + // + return 0; +} + +/********************************************************************* +* +* SEGGER_RTT_WriteNoLock +* +* Function description +* Stores a specified number of characters in SEGGER RTT +* control block which is then read by the host. +* SEGGER_RTT_WriteNoLock does not lock the application. +* +* Parameters +* BufferIndex Index of "Up"-buffer to be used (e.g. 0 for "Terminal"). +* pBuffer Pointer to character array. Does not need to point to a \0 terminated string. +* NumBytes Number of bytes to be stored in the SEGGER RTT control block. +* +* Return value +* Number of bytes which have been stored in the "Up"-buffer. +* +* Notes +* (1) If there is not enough space in the "Up"-buffer, remaining characters of pBuffer are dropped. +* (2) For performance reasons this function does not call Init() +* and may only be called after RTT has been initialized. +* Either by calling SEGGER_RTT_Init() or calling another RTT API function first. +*/ +unsigned SEGGER_RTT_WriteNoLock(unsigned BufferIndex, const void* pBuffer, unsigned NumBytes) { + unsigned Status; + unsigned Avail; + const char* pData; + SEGGER_RTT_BUFFER_UP* pRing; + + pData = (const char *)pBuffer; + // + // Get "to-host" ring buffer. + // + pRing = &_SEGGER_RTT.aUp[BufferIndex]; + // + // How we output depends upon the mode... + // + switch (pRing->Flags) { + case SEGGER_RTT_MODE_NO_BLOCK_SKIP: + // + // If we are in skip mode and there is no space for the whole + // of this output, don't bother. + // + Avail = _GetAvailWriteSpace(pRing); + if (Avail < NumBytes) { + Status = 0u; + } else { + Status = NumBytes; + _WriteNoCheck(pRing, pData, NumBytes); + } + break; + case SEGGER_RTT_MODE_NO_BLOCK_TRIM: + // + // If we are in trim mode, trim to what we can output without blocking. + // + Avail = _GetAvailWriteSpace(pRing); + Status = Avail < NumBytes ? Avail : NumBytes; + _WriteNoCheck(pRing, pData, Status); + break; + case SEGGER_RTT_MODE_BLOCK_IF_FIFO_FULL: + // + // If we are in blocking mode, output everything. + // + Status = _WriteBlocking(pRing, pData, NumBytes); + break; + default: + Status = 0u; + break; + } + // + // Finish up. + // + return Status; +} + +/********************************************************************* +* +* SEGGER_RTT_Write +* +* Function description +* Stores a specified number of characters in SEGGER RTT +* control block which is then read by the host. +* +* Parameters +* BufferIndex Index of "Up"-buffer to be used (e.g. 0 for "Terminal"). +* pBuffer Pointer to character array. Does not need to point to a \0 terminated string. +* NumBytes Number of bytes to be stored in the SEGGER RTT control block. +* +* Return value +* Number of bytes which have been stored in the "Up"-buffer. +* +* Notes +* (1) If there is not enough space in the "Up"-buffer, remaining characters of pBuffer are dropped. +*/ +unsigned SEGGER_RTT_Write(unsigned BufferIndex, const void* pBuffer, unsigned NumBytes) { + unsigned Status; + // + INIT(); + SEGGER_RTT_LOCK(); + // + // Call the non-locking write function + // + Status = SEGGER_RTT_WriteNoLock(BufferIndex, pBuffer, NumBytes); + // + // Finish up. + // + SEGGER_RTT_UNLOCK(); + // + return Status; +} + +/********************************************************************* +* +* SEGGER_RTT_WriteString +* +* Function description +* Stores string in SEGGER RTT control block. +* This data is read by the host. +* +* Parameters +* BufferIndex Index of "Up"-buffer to be used (e.g. 0 for "Terminal"). +* s Pointer to string. +* +* Return value +* Number of bytes which have been stored in the "Up"-buffer. +* +* Notes +* (1) If there is not enough space in the "Up"-buffer, depending on configuration, +* remaining characters may be dropped or RTT module waits until there is more space in the buffer. +* (2) String passed to this function has to be \0 terminated +* (3) \0 termination character is *not* stored in RTT buffer +*/ +unsigned SEGGER_RTT_WriteString(unsigned BufferIndex, const char* s) { + unsigned Len; + + Len = STRLEN(s); + return SEGGER_RTT_Write(BufferIndex, s, Len); +} + +/********************************************************************* +* +* SEGGER_RTT_GetKey +* +* Function description +* Reads one character from the SEGGER RTT buffer. +* Host has previously stored data there. +* +* Return value +* < 0 - No character available (buffer empty). +* >= 0 - Character which has been read. (Possible values: 0 - 255) +* +* Notes +* (1) This function is only specified for accesses to RTT buffer 0. +*/ +int SEGGER_RTT_GetKey(void) { + char c; + int r; + + r = (int)SEGGER_RTT_Read(0u, &c, 1u); + if (r == 1) { + r = (int)(unsigned char)c; + } else { + r = -1; + } + return r; +} + +/********************************************************************* +* +* SEGGER_RTT_WaitKey +* +* Function description +* Waits until at least one character is avaible in the SEGGER RTT buffer. +* Once a character is available, it is read and this function returns. +* +* Return value +* >=0 - Character which has been read. +* +* Notes +* (1) This function is only specified for accesses to RTT buffer 0 +* (2) This function is blocking if no character is present in RTT buffer +*/ +int SEGGER_RTT_WaitKey(void) { + int r; + + do { + r = SEGGER_RTT_GetKey(); + } while (r < 0); + return r; +} + +/********************************************************************* +* +* SEGGER_RTT_HasKey +* +* Function description +* Checks if at least one character for reading is available in the SEGGER RTT buffer. +* +* Return value +* == 0 - No characters are available to read. +* == 1 - At least one character is available. +* +* Notes +* (1) This function is only specified for accesses to RTT buffer 0 +*/ +int SEGGER_RTT_HasKey(void) { + unsigned RdOff; + int r; + + INIT(); + RdOff = _SEGGER_RTT.aDown[0].RdOff; + if (RdOff != _SEGGER_RTT.aDown[0].WrOff) { + r = 1; + } else { + r = 0; + } + return r; +} + +/********************************************************************* +* +* SEGGER_RTT_HasData +* +* Function description +* Check if there is data from the host in the given buffer. +* +* Return value: +* ==0: No data +* !=0: Data in buffer +* +*/ +unsigned SEGGER_RTT_HasData(unsigned BufferIndex) { + SEGGER_RTT_BUFFER_DOWN* pRing; + unsigned v; + + pRing = &_SEGGER_RTT.aDown[BufferIndex]; + v = pRing->WrOff; + return v - pRing->RdOff; +} + +/********************************************************************* +* +* SEGGER_RTT_AllocDownBuffer +* +* Function description +* Run-time configuration of the next down-buffer (H->T). +* The next buffer, which is not used yet is configured. +* This includes: Buffer address, size, name, flags, ... +* +* Parameters +* sName Pointer to a constant name string. +* pBuffer Pointer to a buffer to be used. +* BufferSize Size of the buffer. +* Flags Operating modes. Define behavior if buffer is full (not enough space for entire message). +* +* Return value +* >= 0 - O.K. Buffer Index +* < 0 - Error +*/ +int SEGGER_RTT_AllocDownBuffer(const char* sName, void* pBuffer, unsigned BufferSize, unsigned Flags) { + int BufferIndex; + + INIT(); + SEGGER_RTT_LOCK(); + BufferIndex = 0; + do { + if (_SEGGER_RTT.aDown[BufferIndex].pBuffer == NULL) { + break; + } + BufferIndex++; + } while (BufferIndex < _SEGGER_RTT.MaxNumDownBuffers); + if (BufferIndex < _SEGGER_RTT.MaxNumDownBuffers) { + _SEGGER_RTT.aDown[BufferIndex].sName = sName; + _SEGGER_RTT.aDown[BufferIndex].pBuffer = (char*)pBuffer; + _SEGGER_RTT.aDown[BufferIndex].SizeOfBuffer = BufferSize; + _SEGGER_RTT.aDown[BufferIndex].RdOff = 0u; + _SEGGER_RTT.aDown[BufferIndex].WrOff = 0u; + _SEGGER_RTT.aDown[BufferIndex].Flags = Flags; + } else { + BufferIndex = -1; + } + SEGGER_RTT_UNLOCK(); + return BufferIndex; +} + +/********************************************************************* +* +* SEGGER_RTT_AllocUpBuffer +* +* Function description +* Run-time configuration of the next up-buffer (T->H). +* The next buffer, which is not used yet is configured. +* This includes: Buffer address, size, name, flags, ... +* +* Parameters +* sName Pointer to a constant name string. +* pBuffer Pointer to a buffer to be used. +* BufferSize Size of the buffer. +* Flags Operating modes. Define behavior if buffer is full (not enough space for entire message). +* +* Return value +* >= 0 - O.K. Buffer Index +* < 0 - Error +*/ +int SEGGER_RTT_AllocUpBuffer(const char* sName, void* pBuffer, unsigned BufferSize, unsigned Flags) { + int BufferIndex; + + INIT(); + SEGGER_RTT_LOCK(); + BufferIndex = 0; + do { + if (_SEGGER_RTT.aUp[BufferIndex].pBuffer == NULL) { + break; + } + BufferIndex++; + } while (BufferIndex < _SEGGER_RTT.MaxNumUpBuffers); + if (BufferIndex < _SEGGER_RTT.MaxNumUpBuffers) { + _SEGGER_RTT.aUp[BufferIndex].sName = sName; + _SEGGER_RTT.aUp[BufferIndex].pBuffer = (char*)pBuffer; + _SEGGER_RTT.aUp[BufferIndex].SizeOfBuffer = BufferSize; + _SEGGER_RTT.aUp[BufferIndex].RdOff = 0u; + _SEGGER_RTT.aUp[BufferIndex].WrOff = 0u; + _SEGGER_RTT.aUp[BufferIndex].Flags = Flags; + } else { + BufferIndex = -1; + } + SEGGER_RTT_UNLOCK(); + return BufferIndex; +} + +/********************************************************************* +* +* SEGGER_RTT_ConfigUpBuffer +* +* Function description +* Run-time configuration of a specific up-buffer (T->H). +* Buffer to be configured is specified by index. +* This includes: Buffer address, size, name, flags, ... +* +* Parameters +* BufferIndex Index of the buffer to configure. +* sName Pointer to a constant name string. +* pBuffer Pointer to a buffer to be used. +* BufferSize Size of the buffer. +* Flags Operating modes. Define behavior if buffer is full (not enough space for entire message). +* +* Return value +* >= 0 - O.K. +* < 0 - Error +*/ +int SEGGER_RTT_ConfigUpBuffer(unsigned BufferIndex, const char* sName, void* pBuffer, unsigned BufferSize, unsigned Flags) { + int r; + + INIT(); + if (BufferIndex < (unsigned)_SEGGER_RTT.MaxNumUpBuffers) { + SEGGER_RTT_LOCK(); + if (BufferIndex > 0u) { + _SEGGER_RTT.aUp[BufferIndex].sName = sName; + _SEGGER_RTT.aUp[BufferIndex].pBuffer = (char*)pBuffer; + _SEGGER_RTT.aUp[BufferIndex].SizeOfBuffer = BufferSize; + _SEGGER_RTT.aUp[BufferIndex].RdOff = 0u; + _SEGGER_RTT.aUp[BufferIndex].WrOff = 0u; + } + _SEGGER_RTT.aUp[BufferIndex].Flags = Flags; + SEGGER_RTT_UNLOCK(); + r = 0; + } else { + r = -1; + } + return r; +} + +/********************************************************************* +* +* SEGGER_RTT_ConfigDownBuffer +* +* Function description +* Run-time configuration of a specific down-buffer (H->T). +* Buffer to be configured is specified by index. +* This includes: Buffer address, size, name, flags, ... +* +* Parameters +* BufferIndex Index of the buffer to configure. +* sName Pointer to a constant name string. +* pBuffer Pointer to a buffer to be used. +* BufferSize Size of the buffer. +* Flags Operating modes. Define behavior if buffer is full (not enough space for entire message). +* +* Return value +* >= 0 O.K. +* < 0 Error +*/ +int SEGGER_RTT_ConfigDownBuffer(unsigned BufferIndex, const char* sName, void* pBuffer, unsigned BufferSize, unsigned Flags) { + int r; + + INIT(); + if (BufferIndex < (unsigned)_SEGGER_RTT.MaxNumDownBuffers) { + SEGGER_RTT_LOCK(); + if (BufferIndex > 0u) { + _SEGGER_RTT.aDown[BufferIndex].sName = sName; + _SEGGER_RTT.aDown[BufferIndex].pBuffer = (char*)pBuffer; + _SEGGER_RTT.aDown[BufferIndex].SizeOfBuffer = BufferSize; + _SEGGER_RTT.aDown[BufferIndex].RdOff = 0u; + _SEGGER_RTT.aDown[BufferIndex].WrOff = 0u; + } + _SEGGER_RTT.aDown[BufferIndex].Flags = Flags; + SEGGER_RTT_UNLOCK(); + r = 0; + } else { + r = -1; + } + return r; +} + +/********************************************************************* +* +* SEGGER_RTT_SetNameUpBuffer +* +* Function description +* Run-time configuration of a specific up-buffer name (T->H). +* Buffer to be configured is specified by index. +* +* Parameters +* BufferIndex Index of the buffer to renamed. +* sName Pointer to a constant name string. +* +* Return value +* >= 0 O.K. +* < 0 Error +*/ +int SEGGER_RTT_SetNameUpBuffer(unsigned BufferIndex, const char* sName) { + int r; + + INIT(); + if (BufferIndex < (unsigned)_SEGGER_RTT.MaxNumUpBuffers) { + SEGGER_RTT_LOCK(); + _SEGGER_RTT.aUp[BufferIndex].sName = sName; + SEGGER_RTT_UNLOCK(); + r = 0; + } else { + r = -1; + } + return r; +} + +/********************************************************************* +* +* SEGGER_RTT_SetNameDownBuffer +* +* Function description +* Run-time configuration of a specific Down-buffer name (T->H). +* Buffer to be configured is specified by index. +* +* Parameters +* BufferIndex Index of the buffer to renamed. +* sName Pointer to a constant name string. +* +* Return value +* >= 0 O.K. +* < 0 Error +*/ +int SEGGER_RTT_SetNameDownBuffer(unsigned BufferIndex, const char* sName) { + int r; + + INIT(); + if (BufferIndex < (unsigned)_SEGGER_RTT.MaxNumDownBuffers) { + SEGGER_RTT_LOCK(); + _SEGGER_RTT.aDown[BufferIndex].sName = sName; + SEGGER_RTT_UNLOCK(); + r = 0; + } else { + r = -1; + } + return r; +} + +/********************************************************************* +* +* SEGGER_RTT_Init +* +* Function description +* Initializes the RTT Control Block. +* Should be used in RAM targets, at start of the application. +* +*/ +void SEGGER_RTT_Init (void) { + _DoInit(); +} + +/********************************************************************* +* +* SEGGER_RTT_SetTerminal +* +* Function description +* Sets the terminal to be used for output on channel 0. +* +* Parameters +* TerminalId Index of the terminal. +* +* Return value +* >= 0 O.K. +* < 0 Error (e.g. if RTT is configured for non-blocking mode and there was no space in the buffer to set the new terminal Id) +*/ +int SEGGER_RTT_SetTerminal (char TerminalId) { + char ac[2]; + SEGGER_RTT_BUFFER_UP* pRing; + unsigned Avail; + int r; + // + INIT(); + // + r = 0; + ac[0] = 0xFFU; + if ((unsigned char)TerminalId < (unsigned char)sizeof(_aTerminalId)) { // We only support a certain number of channels + ac[1] = _aTerminalId[(unsigned char)TerminalId]; + pRing = &_SEGGER_RTT.aUp[0]; // Buffer 0 is always reserved for terminal I/O, so we can use index 0 here, fixed + SEGGER_RTT_LOCK(); // Lock to make sure that no other task is writing into buffer, while we are and number of free bytes in buffer does not change downwards after checking and before writing + if ((pRing->Flags & SEGGER_RTT_MODE_MASK) == SEGGER_RTT_MODE_BLOCK_IF_FIFO_FULL) { + _ActiveTerminal = TerminalId; + _WriteBlocking(pRing, ac, 2u); + } else { // Skipping mode or trim mode? => We cannot trim this command so handling is the same for both modes + Avail = _GetAvailWriteSpace(pRing); + if (Avail >= 2) { + _ActiveTerminal = TerminalId; // Only change active terminal in case of success + _WriteNoCheck(pRing, ac, 2u); + } else { + r = -1; + } + } + SEGGER_RTT_UNLOCK(); + } else { + r = -1; + } + return r; +} + +/********************************************************************* +* +* SEGGER_RTT_TerminalOut +* +* Function description +* Writes a string to the given terminal +* without changing the terminal for channel 0. +* +* Parameters +* TerminalId Index of the terminal. +* s String to be printed on the terminal. +* +* Return value +* >= 0 - Number of bytes written. +* < 0 - Error. +* +*/ +int SEGGER_RTT_TerminalOut (char TerminalId, const char* s) { + int Status; + unsigned FragLen; + unsigned Avail; + SEGGER_RTT_BUFFER_UP* pRing; + // + INIT(); + // + // Validate terminal ID. + // + if (TerminalId < (char)sizeof(_aTerminalId)) { // We only support a certain number of channels + // + // Get "to-host" ring buffer. + // + pRing = &_SEGGER_RTT.aUp[0]; + // + // Need to be able to change terminal, write data, change back. + // Compute the fixed and variable sizes. + // + FragLen = strlen(s); + // + // How we output depends upon the mode... + // + SEGGER_RTT_LOCK(); + Avail = _GetAvailWriteSpace(pRing); + switch (pRing->Flags & SEGGER_RTT_MODE_MASK) { + case SEGGER_RTT_MODE_NO_BLOCK_SKIP: + // + // If we are in skip mode and there is no space for the whole + // of this output, don't bother switching terminals at all. + // + if (Avail < (FragLen + 4u)) { + Status = 0; + } else { + _PostTerminalSwitch(pRing, TerminalId); + Status = (int)_WriteBlocking(pRing, s, FragLen); + _PostTerminalSwitch(pRing, _ActiveTerminal); + } + break; + case SEGGER_RTT_MODE_NO_BLOCK_TRIM: + // + // If we are in trim mode and there is not enough space for everything, + // trim the output but always include the terminal switch. If no room + // for terminal switch, skip that totally. + // + if (Avail < 4u) { + Status = -1; + } else { + _PostTerminalSwitch(pRing, TerminalId); + Status = (int)_WriteBlocking(pRing, s, (FragLen < (Avail - 4u)) ? FragLen : (Avail - 4u)); + _PostTerminalSwitch(pRing, _ActiveTerminal); + } + break; + case SEGGER_RTT_MODE_BLOCK_IF_FIFO_FULL: + // + // If we are in blocking mode, output everything. + // + _PostTerminalSwitch(pRing, TerminalId); + Status = (int)_WriteBlocking(pRing, s, FragLen); + _PostTerminalSwitch(pRing, _ActiveTerminal); + break; + default: + Status = -1; + break; + } + // + // Finish up. + // + SEGGER_RTT_UNLOCK(); + } else { + Status = -1; + } + return Status; +} + + +/*************************** End of file ****************************/ diff --git a/components/trace/SystemView_Src_V240/SEGGER/SEGGER_RTT.h b/components/trace/SystemView_Src_V240/SEGGER/SEGGER_RTT.h new file mode 100644 index 000000000..b7f2c07b1 --- /dev/null +++ b/components/trace/SystemView_Src_V240/SEGGER/SEGGER_RTT.h @@ -0,0 +1,232 @@ +/********************************************************************* +* SEGGER MICROCONTROLLER GmbH & Co. KG * +* Solutions for real time microcontroller applications * +********************************************************************** +* * +* (c) 2015 - 2016 SEGGER Microcontroller GmbH & Co. KG * +* * +* www.segger.com Support: support@segger.com * +* * +********************************************************************** +* * +* SEGGER SystemView * Real-time application analysis * +* * +********************************************************************** +* * +* All rights reserved. * +* * +* * This software may in its unmodified form be freely redistributed * +* in source form. * +* * The source code may be modified, provided the source code * +* retains the above copyright notice, this list of conditions and * +* the following disclaimer. * +* * Modified versions of this software in source or linkable form * +* may not be distributed without prior consent of SEGGER. * +* * +* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS "AS IS" AND * +* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, * +* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A * +* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL * +* SEGGER Microcontroller BE LIABLE FOR ANY DIRECT, INDIRECT, * +* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES * +* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * +* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * +* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, * +* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING * +* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS * +* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * +* * +********************************************************************** +* * +* SystemView version: V2.40 * +* * +********************************************************************** +---------------------------END-OF-HEADER------------------------------ +File : SEGGER_RTT.h +Purpose : Implementation of SEGGER real-time transfer which allows + real-time communication on targets which support debugger + memory accesses while the CPU is running. +Revision: $Rev: 3667 $ +---------------------------------------------------------------------- +*/ + +#ifndef SEGGER_RTT_H +#define SEGGER_RTT_H + +#include "SEGGER_RTT_Conf.h" + +/********************************************************************* +* +* Defines, fixed +* +********************************************************************** +*/ + +/********************************************************************* +* +* Types +* +********************************************************************** +*/ + +// +// Description for a circular buffer (also called "ring buffer") +// which is used as up-buffer (T->H) +// +typedef struct { + const char* sName; // Optional name. Standard names so far are: "Terminal", "SysView", "J-Scope_t4i4" + char* pBuffer; // Pointer to start of buffer + unsigned SizeOfBuffer; // Buffer size in bytes. Note that one byte is lost, as this implementation does not fill up the buffer in order to avoid the problem of being unable to distinguish between full and empty. + unsigned WrOff; // Position of next item to be written by either target. + volatile unsigned RdOff; // Position of next item to be read by host. Must be volatile since it may be modified by host. + unsigned Flags; // Contains configuration flags +} SEGGER_RTT_BUFFER_UP; + +// +// Description for a circular buffer (also called "ring buffer") +// which is used as down-buffer (H->T) +// +typedef struct { + const char* sName; // Optional name. Standard names so far are: "Terminal", "SysView", "J-Scope_t4i4" + char* pBuffer; // Pointer to start of buffer + unsigned SizeOfBuffer; // Buffer size in bytes. Note that one byte is lost, as this implementation does not fill up the buffer in order to avoid the problem of being unable to distinguish between full and empty. + volatile unsigned WrOff; // Position of next item to be written by host. Must be volatile since it may be modified by host. + unsigned RdOff; // Position of next item to be read by target (down-buffer). + unsigned Flags; // Contains configuration flags +} SEGGER_RTT_BUFFER_DOWN; + +// +// RTT control block which describes the number of buffers available +// as well as the configuration for each buffer +// +// +typedef struct { + char acID[16]; // Initialized to "SEGGER RTT" + int MaxNumUpBuffers; // Initialized to SEGGER_RTT_MAX_NUM_UP_BUFFERS (type. 2) + int MaxNumDownBuffers; // Initialized to SEGGER_RTT_MAX_NUM_DOWN_BUFFERS (type. 2) + SEGGER_RTT_BUFFER_UP aUp[SEGGER_RTT_MAX_NUM_UP_BUFFERS]; // Up buffers, transferring information up from target via debug probe to host + SEGGER_RTT_BUFFER_DOWN aDown[SEGGER_RTT_MAX_NUM_DOWN_BUFFERS]; // Down buffers, transferring information down from host via debug probe to target +} SEGGER_RTT_CB; + +/********************************************************************* +* +* Global data +* +********************************************************************** +*/ +extern SEGGER_RTT_CB _SEGGER_RTT; + +/********************************************************************* +* +* RTT API functions +* +********************************************************************** +*/ +#ifdef __cplusplus + extern "C" { +#endif +int SEGGER_RTT_AllocDownBuffer (const char* sName, void* pBuffer, unsigned BufferSize, unsigned Flags); +int SEGGER_RTT_AllocUpBuffer (const char* sName, void* pBuffer, unsigned BufferSize, unsigned Flags); +int SEGGER_RTT_ConfigUpBuffer (unsigned BufferIndex, const char* sName, void* pBuffer, unsigned BufferSize, unsigned Flags); +int SEGGER_RTT_ConfigDownBuffer (unsigned BufferIndex, const char* sName, void* pBuffer, unsigned BufferSize, unsigned Flags); +int SEGGER_RTT_GetKey (void); +unsigned SEGGER_RTT_HasData (unsigned BufferIndex); +int SEGGER_RTT_HasKey (void); +void SEGGER_RTT_Init (void); +unsigned SEGGER_RTT_Read (unsigned BufferIndex, void* pBuffer, unsigned BufferSize); +unsigned SEGGER_RTT_ReadNoLock (unsigned BufferIndex, void* pData, unsigned BufferSize); +int SEGGER_RTT_SetNameDownBuffer(unsigned BufferIndex, const char* sName); +int SEGGER_RTT_SetNameUpBuffer (unsigned BufferIndex, const char* sName); +int SEGGER_RTT_WaitKey (void); +unsigned SEGGER_RTT_Write (unsigned BufferIndex, const void* pBuffer, unsigned NumBytes); +unsigned SEGGER_RTT_WriteNoLock (unsigned BufferIndex, const void* pBuffer, unsigned NumBytes); +unsigned SEGGER_RTT_WriteSkipNoLock (unsigned BufferIndex, const void* pBuffer, unsigned NumBytes); +unsigned SEGGER_RTT_WriteString (unsigned BufferIndex, const char* s); +void SEGGER_RTT_WriteWithOverwriteNoLock(unsigned BufferIndex, const void* pBuffer, unsigned NumBytes); +// +// Function macro for performance optimization +// +#define SEGGER_RTT_HASDATA(n) (_SEGGER_RTT.aDown[n].WrOff - _SEGGER_RTT.aDown[n].RdOff) + +/********************************************************************* +* +* RTT "Terminal" API functions +* +********************************************************************** +*/ +int SEGGER_RTT_SetTerminal (char TerminalId); +int SEGGER_RTT_TerminalOut (char TerminalId, const char* s); + +/********************************************************************* +* +* RTT printf functions (require SEGGER_RTT_printf.c) +* +********************************************************************** +*/ +int SEGGER_RTT_printf(unsigned BufferIndex, const char * sFormat, ...); +#ifdef __cplusplus + } +#endif + +/********************************************************************* +* +* Defines +* +********************************************************************** +*/ + +// +// Operating modes. Define behavior if buffer is full (not enough space for entire message) +// +#define SEGGER_RTT_MODE_NO_BLOCK_SKIP (0U) // Skip. Do not block, output nothing. (Default) +#define SEGGER_RTT_MODE_NO_BLOCK_TRIM (1U) // Trim: Do not block, output as much as fits. +#define SEGGER_RTT_MODE_BLOCK_IF_FIFO_FULL (2U) // Block: Wait until there is space in the buffer. +#define SEGGER_RTT_MODE_MASK (3U) + +// +// Control sequences, based on ANSI. +// Can be used to control color, and clear the screen +// +#define RTT_CTRL_RESET "" // Reset to default colors +#define RTT_CTRL_CLEAR "" // Clear screen, reposition cursor to top left + +#define RTT_CTRL_TEXT_BLACK "" +#define RTT_CTRL_TEXT_RED "" +#define RTT_CTRL_TEXT_GREEN "" +#define RTT_CTRL_TEXT_YELLOW "" +#define RTT_CTRL_TEXT_BLUE "" +#define RTT_CTRL_TEXT_MAGENTA "" +#define RTT_CTRL_TEXT_CYAN "" +#define RTT_CTRL_TEXT_WHITE "" + +#define RTT_CTRL_TEXT_BRIGHT_BLACK "" +#define RTT_CTRL_TEXT_BRIGHT_RED "" +#define RTT_CTRL_TEXT_BRIGHT_GREEN "" +#define RTT_CTRL_TEXT_BRIGHT_YELLOW "" +#define RTT_CTRL_TEXT_BRIGHT_BLUE "" +#define RTT_CTRL_TEXT_BRIGHT_MAGENTA "" +#define RTT_CTRL_TEXT_BRIGHT_CYAN "" +#define RTT_CTRL_TEXT_BRIGHT_WHITE "" + +#define RTT_CTRL_BG_BLACK "" +#define RTT_CTRL_BG_RED "" +#define RTT_CTRL_BG_GREEN "" +#define RTT_CTRL_BG_YELLOW "" +#define RTT_CTRL_BG_BLUE "" +#define RTT_CTRL_BG_MAGENTA "" +#define RTT_CTRL_BG_CYAN "" +#define RTT_CTRL_BG_WHITE "" + +#define RTT_CTRL_BG_BRIGHT_BLACK "" +#define RTT_CTRL_BG_BRIGHT_RED "" +#define RTT_CTRL_BG_BRIGHT_GREEN "" +#define RTT_CTRL_BG_BRIGHT_YELLOW "" +#define RTT_CTRL_BG_BRIGHT_BLUE "" +#define RTT_CTRL_BG_BRIGHT_MAGENTA "" +#define RTT_CTRL_BG_BRIGHT_CYAN "" +#define RTT_CTRL_BG_BRIGHT_WHITE "" + + +#endif + +/*************************** End of file ****************************/ diff --git a/components/trace/SystemView_Src_V240/SEGGER/SEGGER_SYSVIEW.c b/components/trace/SystemView_Src_V240/SEGGER/SEGGER_SYSVIEW.c new file mode 100644 index 000000000..1f3dbf022 --- /dev/null +++ b/components/trace/SystemView_Src_V240/SEGGER/SEGGER_SYSVIEW.c @@ -0,0 +1,2749 @@ +/********************************************************************* +* SEGGER MICROCONTROLLER GmbH & Co. KG * +* Solutions for real time microcontroller applications * +********************************************************************** +* * +* (c) 2015 - 2016 SEGGER Microcontroller GmbH & Co. KG * +* * +* www.segger.com Support: support@segger.com * +* * +********************************************************************** +* * +* SEGGER SystemView * Real-time application analysis * +* * +********************************************************************** +* * +* All rights reserved. * +* * +* * This software may in its unmodified form be freely redistributed * +* in source form. * +* * The source code may be modified, provided the source code * +* retains the above copyright notice, this list of conditions and * +* the following disclaimer. * +* * Modified versions of this software in source or linkable form * +* may not be distributed without prior consent of SEGGER. * +* * +* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS "AS IS" AND * +* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, * +* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A * +* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL * +* SEGGER Microcontroller BE LIABLE FOR ANY DIRECT, INDIRECT, * +* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES * +* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * +* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * +* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, * +* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING * +* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS * +* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * +* * +********************************************************************** +* * +* SystemView version: V2.40 * +* * +********************************************************************** +-------------------------- END-OF-HEADER ----------------------------- + +File : SEGGER_SYSVIEW.c +Purpose : System visualization API implementation. +Revision: $Rev: 4039 $ + +Additional information: + Packet format: + Packets with IDs 0..23 are standard packets with known structure. + For efficiency, they do *NOT* contain a length field. + + + Packets with IDs 24..31 are standard packets with extendible + structure and contain a length field. + + + Packets with IDs >= 32 always contain a length field. + + + Packet IDs: + 0.. 31 : Standard packets, known by SystemViewer. + 32..1023 : OS-definable packets, described in a SystemView description file. + 1024..2047 : User-definable packets, described in a SystemView description file. + 2048..32767: Undefined. + + Data encoding: + Basic types (int, short, char, ...): + Basic types are encoded little endian with most-significant bit variant + encoding. + Each encoded byte contains 7 data bits [6:0] and the MSB continuation bit. + The continuation bit indicates whether the next byte belongs to the data + (bit set) or this is the last byte (bit clear). + The most significant bits of data are encoded first, proceeding to the + least significant bits in the final byte (little endian). + + Example encoding: + Data: 0x1F4 (500) + Encoded: 0xF4 (First 7 data bits 74 | Continuation bit) + 0x03 (Second 7 data bits 03, no continuation) + + Data: 0xFFFFFFFF + Encoded: 0xFF 0xFF 0xFF 0xFF 0x0F + + Data: 0xA2 (162), 0x03 (3), 0x7000 + Encoded: 0xA2 0x01 0x03 0x80 0xE0 0x01 + + Byte arrays and strings: + Byte arrays and strings are encoded as followed by the raw data. + NumBytes is encoded as a basic type with a theoretical maximum of 4G. + + Example encoding: + Data: "Hello World\0" (0x48 0x65 0x6C 0x6C 0x6F 0x20 0x57 0x6F 0x72 0x6C 0x64 0x00) + Encoded: 0x0B 0x48 0x65 0x6C 0x6C 0x6F 0x20 0x57 0x6F 0x72 0x6C 0x64 + + Examples packets: + 01 F4 03 80 80 10 // Overflow packet. Data is a single U32. + This packet means: 500 packets lost, Timestamp is 0x40000 + + 02 0F 50 // ISR(15) Enter. Timestamp 80 (0x50) + + 03 20 // ISR Exit. Timestamp 32 (0x20) (Shortest possible packet.) + + Sample code for user defined Packets: + #define MY_ID 0x400 // Any value between 0x400 and 0x7FF + void SendMyPacket(unsigned Para0, unsigned Para1, const char* s) { + U8 aPacket[SEGGER_SYSVIEW_INFO_SIZE + 2 * SEGGER_SYSVIEW_QUANTA_U32 + MAX_STR_LEN + 1]; + U8* pPayload; + // + pPayload = SEGGER_SYSVIEW_PPREPARE_PACKET(aPacket); // Prepare the packet for SystemView + pPayload = SEGGER_SYSVIEW_EncodeU32(pPayload, Para0); // Add the first parameter to the packet + pPayload = SEGGER_SYSVIEW_EncodeU32(pPayload, Para1); // Add the second parameter to the packet + pPayload = SEGGER_SYSVIEW_EncodeString(pPayload, s, MAX_STR_LEN); // Add the string to the packet + // + SEGGER_SYSVIEW_SendPacket(&aPacket[0], pPayload, MY_ID); // Send the packet with EventId = MY_ID + } + + #define MY_ID_1 0x401 + void SendOnePara(unsigned Para0) { + SEGGER_SYSVIEW_RecordU32(MY_ID_1, Para0); + } + +*/ + +/********************************************************************* +* +* #include section +* +********************************************************************** +*/ + +#include "SEGGER_SYSVIEW_Int.h" +#include "SEGGER_RTT.h" +#include +#include +#include + +/********************************************************************* +* +* Defines, fixed +* +********************************************************************** +*/ +#if SEGGER_SYSVIEW_ID_SHIFT + #define SHRINK_ID(Id) (((Id) - _SYSVIEW_Globals.RAMBaseAddress) >> SEGGER_SYSVIEW_ID_SHIFT) +#else + #define SHRINK_ID(Id) ((Id) - _SYSVIEW_Globals.RAMBaseAddress) +#endif + +#if SEGGER_SYSVIEW_RTT_CHANNEL > 0 + #define CHANNEL_ID_UP SEGGER_SYSVIEW_RTT_CHANNEL + #define CHANNEL_ID_DOWN SEGGER_SYSVIEW_RTT_CHANNEL +#else + #define CHANNEL_ID_UP _SYSVIEW_Globals.UpChannel + #define CHANNEL_ID_DOWN _SYSVIEW_Globals.DownChannel +#endif + +/********************************************************************* +* +* Defines, configurable +* +********************************************************************** +*/ +// Timestamps may be less than full 32-bits, in which case we need to zero +// the unused bits to properly handle overflows. +// Note that this is a quite common scenario, as a 32-bit time such as +// SysTick might be scaled down to reduce bandwith +// or a 16-bit hardware time might be used. +#if SEGGER_SYSVIEW_TIMESTAMP_BITS < 32 // Eliminate unused bits in case hardware timestamps are less than 32 bits + #define MAKE_DELTA_32BIT(Delta) Delta <<= 32 - SEGGER_SYSVIEW_TIMESTAMP_BITS; \ + Delta >>= 32 - SEGGER_SYSVIEW_TIMESTAMP_BITS; +#else + #define MAKE_DELTA_32BIT(Delta) +#endif + + +/********************************************************************* +* +* Defines, fixed +* +********************************************************************** +*/ +#define ENABLE_STATE_OFF 0 +#define ENABLE_STATE_ON 1 +#define ENABLE_STATE_DROPPING 2 + +#define FORMAT_FLAG_LEFT_JUSTIFY (1u << 0) +#define FORMAT_FLAG_PAD_ZERO (1u << 1) +#define FORMAT_FLAG_PRINT_SIGN (1u << 2) +#define FORMAT_FLAG_ALTERNATE (1u << 3) + +#define MODULE_EVENT_OFFSET (512) + +/********************************************************************* +* +* Types, local +* +********************************************************************** +*/ +typedef struct { + U8* pBuffer; + U8* pPayload; + U8* pPayloadStart; + U32 Options; + unsigned Cnt; +} SEGGER_SYSVIEW_PRINTF_DESC; + +typedef struct { + U8 EnableState; // 0: Disabled, 1: Enabled, (2: Dropping) + U8 UpChannel; + U8 RecursionCnt; + U32 SysFreq; + U32 CPUFreq; + U32 LastTxTimeStamp; + U32 RAMBaseAddress; +#if (SEGGER_SYSVIEW_POST_MORTEM_MODE == 1) + U32 PacketCount; +#else + U32 DropCount; + U8 DownChannel; +#endif + U32 DisabledEvents; + const SEGGER_SYSVIEW_OS_API* pOSAPI; + SEGGER_SYSVIEW_SEND_SYS_DESC_FUNC* pfSendSysDesc; +} SEGGER_SYSVIEW_GLOBALS; + +/********************************************************************* +* +* Function prototypes, required +* +********************************************************************** +*/ +static void _SendPacket(U8* pStartPacket, U8* pEndPacket, unsigned EventId); + +/********************************************************************* +* +* Static data +* +********************************************************************** +*/ +static const U8 _abSync[10] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}; + +#ifdef SEGGER_SYSVIEW_SECTION + #if (defined __GNUC__) + __attribute__ ((section (SEGGER_SYSVIEW_SECTION))) static char _UpBuffer [SEGGER_SYSVIEW_RTT_BUFFER_SIZE]; + #if (SEGGER_SYSVIEW_POST_MORTEM_MODE != 1) + __attribute__ ((section (SEGGER_SYSVIEW_SECTION))) static char _DownBuffer[8]; // Small, fixed-size buffer, for back-channel comms + #endif + #elif (defined __ICCARM__) || (defined __ICCRX__) + #pragma location=SEGGER_SYSVIEW_SECTION + static char _UpBuffer [SEGGER_SYSVIEW_RTT_BUFFER_SIZE]; + #pragma location=SEGGER_SYSVIEW_SECTION + static char _DownBuffer[8]; // Small, fixed-size buffer, for back-channel comms + #elif (defined __CC_ARM__) + __attribute__ ((section (SEGGER_SYSVIEW_SECTION), zero_init)) static char _UpBuffer [SEGGER_SYSVIEW_RTT_BUFFER_SIZE]; + #if (SEGGER_SYSVIEW_POST_MORTEM_MODE != 1) + __attribute__ ((section (SEGGER_SYSVIEW_SECTION), zero_init)) static char _DownBuffer[8]; // Small, fixed-size buffer, for back-channel comms + #endif + #else + static char _UpBuffer [SEGGER_SYSVIEW_RTT_BUFFER_SIZE]; + #if (SEGGER_SYSVIEW_POST_MORTEM_MODE != 1) + static char _DownBuffer[8]; // Small, fixed-size buffer, for back-channel comms + #endif + #endif +#else + static char _UpBuffer [SEGGER_SYSVIEW_RTT_BUFFER_SIZE]; + #if (SEGGER_SYSVIEW_POST_MORTEM_MODE != 1) + static char _DownBuffer[8]; // Small, fixed-size buffer, for back-channel comms + #endif +#endif + +static SEGGER_SYSVIEW_GLOBALS _SYSVIEW_Globals; + +static SEGGER_SYSVIEW_MODULE* _pFirstModule; +static U8 _NumModules; + +/********************************************************************* +* +* Static code +* +********************************************************************** +*/ + +#define ENCODE_U32(pDest, Value) { \ + U8* pSysviewPointer; \ + U32 SysViewData; \ + pSysviewPointer = pDest; \ + SysViewData = Value; \ + while(SysViewData > 0x7F) { \ + *pSysviewPointer++ = (U8)(SysViewData | 0x80); \ + SysViewData >>= 7; \ + }; \ + *pSysviewPointer++ = (U8)SysViewData; \ + pDest = pSysviewPointer; \ + }; + + + +#if (SEGGER_SYSVIEW_USE_STATIC_BUFFER == 1) +static U8 _aPacket[SEGGER_SYSVIEW_MAX_PACKET_SIZE]; + +#define RECORD_START(PacketSize) SEGGER_SYSVIEW_LOCK(); \ + pPayloadStart = _PreparePacket(_aPacket); + +#define RECORD_END() SEGGER_SYSVIEW_UNLOCK() + +#else + +#define RECORD_START(PacketSize) U8 aPacket[(PacketSize)]; \ + pPayloadStart = _PreparePacket(aPacket); \ + +#define RECORD_END() + +#endif + +/********************************************************************* +* +* _EncodeData() +* +* Function description +* Encode a byte buffer in variable-length format. +* +* Parameters +* pPayload - Pointer to where string will be encoded. +* pSrc - Pointer to data buffer to be encoded. +* NumBytes - Number of bytes in the buffer to be encoded. +* +* Return value +* Pointer to the byte following the value, i.e. the first free +* byte in the payload and the next position to store payload +* content. +* +* Additional information +* The data is encoded as a count byte followed by the contents +* of the data buffer. +* Make sure NumBytes + 1 bytes are free for the payload. +*/ +static U8* _EncodeData(U8* pPayload, const char* pSrc, unsigned NumBytes) { + unsigned n; + // + n = 0; + *pPayload++ = NumBytes; + while (n < NumBytes) { + *pPayload++ = *pSrc++; + n++; + } + return pPayload; +} + +/********************************************************************* +* +* _EncodeStr() +* +* Function description +* Encode a string in variable-length format. +* +* Parameters +* pPayload - Pointer to where string will be encoded. +* pText - String to encode. +* Limit - Maximum number of characters to encode from string. +* +* Return value +* Pointer to the byte following the value, i.e. the first free +* byte in the payload and the next position to store payload +* content. +* +* Additional information +* The string is encoded as a count byte followed by the contents +* of the string. +* No more than 1 + Limit bytes will be encoded to the payload. +*/ +static U8 *_EncodeStr(U8 *pPayload, const char *pText, unsigned Limit) { + unsigned n; + unsigned Len; + // + // Compute string len + // + Len = 0; + while(*(pText + Len) != 0) { + Len++; + } + if (Len > Limit) { + Len = Limit; + } + // + // Write Len + // + if (Len < 255) { + *pPayload++ = Len; + } else { + *pPayload++ = 255; + *pPayload++ = (Len & 255); + *pPayload++ = ((Len >> 8) & 255); + } + // + // copy string + // + n = 0; + while (n < Len) { + *pPayload++ = *pText++; + n++; + } + return pPayload; +} + +/********************************************************************* +* +* _PreparePacket() +* +* Function description +* Prepare a SystemView event packet header. +* +* Parameters +* pPacket - Pointer to start of packet to initialize. +* +* Return value +* Pointer to first byte of packet payload. +* +* Additional information +* The payload length and evnetId are not initialized. +* PreparePacket only reserves space for them and they are +* computed and filled in by the sending function. +*/ +static U8* _PreparePacket(U8* pPacket) { + return pPacket + 4; +} + +/********************************************************************* +* +* _HandleIncomingPacket() +* +* Function description +* Read an incoming command from the down channel and process it. +* +* Additional information +* This function is called each time after sending a packet. +* Processing incoming packets is done asynchronous. SystemView might +* already have sent event packets after the host has sent a command. +*/ +#if (SEGGER_SYSVIEW_POST_MORTEM_MODE != 1) +static void _HandleIncomingPacket(void) { + U8 Cmd; + int Status; + // + Status = SEGGER_RTT_ReadNoLock(CHANNEL_ID_DOWN, &Cmd, 1); + if (Status > 0) { + switch (Cmd) { + case SEGGER_SYSVIEW_COMMAND_ID_START: + SEGGER_SYSVIEW_Start(); + break; + case SEGGER_SYSVIEW_COMMAND_ID_STOP: + SEGGER_SYSVIEW_Stop(); + break; + case SEGGER_SYSVIEW_COMMAND_ID_GET_SYSTIME: + SEGGER_SYSVIEW_RecordSystime(); + break; + case SEGGER_SYSVIEW_COMMAND_ID_GET_TASKLIST: + SEGGER_SYSVIEW_SendTaskList(); + break; + case SEGGER_SYSVIEW_COMMAND_ID_GET_SYSDESC: + SEGGER_SYSVIEW_GetSysDesc(); + break; + case SEGGER_SYSVIEW_COMMAND_ID_GET_NUMMODULES: + SEGGER_SYSVIEW_SendNumModules(); + break; + case SEGGER_SYSVIEW_COMMAND_ID_GET_MODULEDESC: + SEGGER_SYSVIEW_SendModuleDescription(); + break; + case SEGGER_SYSVIEW_COMMAND_ID_GET_MODULE: + Status = SEGGER_RTT_ReadNoLock(CHANNEL_ID_DOWN, &Cmd, 1); + if (Status > 0) { + SEGGER_SYSVIEW_SendModule(Cmd); + } + break; + default: + if (Cmd >= 128) { // Unknown extended command. Dummy read its parameter. + SEGGER_RTT_ReadNoLock(CHANNEL_ID_DOWN, &Cmd, 1); + } + break; + } + } +} +#endif // (SEGGER_SYSVIEW_POST_MORTEM_MODE != 1) + +/********************************************************************* +* +* _TrySendOverflowPacket() +* +* Function description +* Try to transmit an SystemView Overflow packet containing the +* number of dropped packets. +* +* Additional information +* Format as follows: +* 01 Max. packet len is 1 + 5 + 5 = 11 +* +* Example packets sent +* 01 20 40 +* +* Return value +* !=0: Success, Message sent (stored in RTT-Buffer) +* ==0: Buffer full, Message *NOT* stored +* +*/ +#if (SEGGER_SYSVIEW_POST_MORTEM_MODE != 1) +static int _TrySendOverflowPacket(void) { + U32 TimeStamp; + I32 Delta; + int Status; + U8 aPacket[11]; + U8* pPayload; + + aPacket[0] = SYSVIEW_EVTID_OVERFLOW; // 1 + pPayload = &aPacket[1]; + ENCODE_U32(pPayload, _SYSVIEW_Globals.DropCount); + // + // Compute time stamp delta and append it to packet. + // + TimeStamp = SEGGER_SYSVIEW_GET_TIMESTAMP(); + Delta = TimeStamp - _SYSVIEW_Globals.LastTxTimeStamp; + MAKE_DELTA_32BIT(Delta); + ENCODE_U32(pPayload, Delta); + // + // Try to store packet in RTT buffer and update time stamp when this was successful + // + Status = SEGGER_RTT_WriteSkipNoLock(CHANNEL_ID_UP, aPacket, pPayload - aPacket); + if (Status) { + _SYSVIEW_Globals.LastTxTimeStamp = TimeStamp; + _SYSVIEW_Globals.EnableState--; // EnableState has been 2, will be 1. Always. + } else { + _SYSVIEW_Globals.DropCount++; + } + // + return Status; +} +#endif // (SEGGER_SYSVIEW_POST_MORTEM_MODE != 1) + +/********************************************************************* +* +* _SendSyncInfo() +* +* Function description +* Send SystemView sync packet and system information in +* post mortem mode. +* +* Additional information +* Sync is 10 * 0x00 without timestamp +*/ +#if (SEGGER_SYSVIEW_POST_MORTEM_MODE == 1) +static void _SendSyncInfo(void) { + // + // Add sync packet ( 10 * 0x00) + // Send system description + // Send system time + // Send task list + // Send module description + // Send module information + // + SEGGER_RTT_WriteWithOverwriteNoLock(CHANNEL_ID_UP, _abSync, 10); + SEGGER_SYSVIEW_RecordVoid(SYSVIEW_EVTID_TRACE_START); + { + U8* pPayload; + U8* pPayloadStart; + RECORD_START(SEGGER_SYSVIEW_INFO_SIZE + 4 * SEGGER_SYSVIEW_QUANTA_U32); + // + pPayload = pPayloadStart; + ENCODE_U32(pPayload, _SYSVIEW_Globals.SysFreq); + ENCODE_U32(pPayload, _SYSVIEW_Globals.CPUFreq); + ENCODE_U32(pPayload, _SYSVIEW_Globals.RAMBaseAddress); + ENCODE_U32(pPayload, SEGGER_SYSVIEW_ID_SHIFT); + _SendPacket(pPayloadStart, pPayload, SYSVIEW_EVTID_INIT); + RECORD_END(); + } + if (_SYSVIEW_Globals.pfSendSysDesc) { + _SYSVIEW_Globals.pfSendSysDesc(); + } + SEGGER_SYSVIEW_RecordSystime(); + SEGGER_SYSVIEW_SendTaskList(); + if (_NumModules > 0) { + SEGGER_SYSVIEW_SendNumModules(); + for (int n = 0; n < _NumModules; n++) { + SEGGER_SYSVIEW_SendModule(n); + } + SEGGER_SYSVIEW_SendModuleDescription(); + } +} +#endif // (SEGGER_SYSVIEW_POST_MORTEM_MODE == 1) + +/********************************************************************* +* +* _SendPacket() +* +* Function description +* Send a SystemView packet over RTT. RTT channel and mode are +* configured by macros when the SystemView component is initialized. +* This function takes care of maintaining the packet drop count +* and sending overflow packets when necessary. +* The packet must be passed without Id and Length because this +* function prepends it to the packet before transmission. +* +* Parameters +* pStartPacket - Pointer to start of packet payload. +* There must be at least 4 bytes free to prepend Id and Length. +* pEndPacket - Pointer to end of packet payload. +* EventId - Id of the event to send. +* +*/ +static void _SendPacket(U8* pStartPacket, U8* pEndPacket, unsigned EventId) { + unsigned NumBytes; + U32 TimeStamp; + U32 Delta; +#if (SEGGER_SYSVIEW_POST_MORTEM_MODE != 1) + int Status; +#endif + +#if (SEGGER_SYSVIEW_USE_STATIC_BUFFER == 0) + SEGGER_SYSVIEW_LOCK(); +#endif + +#if (SEGGER_SYSVIEW_POST_MORTEM_MODE == 1) + if (_SYSVIEW_Globals.EnableState == 0) { + goto SendDone; + } +#else + if (_SYSVIEW_Globals.EnableState == 1) { // Enabled, no dropped packets remaining + goto Send; + } + if (_SYSVIEW_Globals.EnableState == 0) { + goto SendDone; + } + // + // Handle buffer full situations: + // Have packets been dropped before because buffer was full? + // In this case try to send and overflow packet. + // + if (_SYSVIEW_Globals.EnableState == 2) { + _TrySendOverflowPacket(); + if (_SYSVIEW_Globals.EnableState != 1) { + goto SendDone; + } + } +Send: +#endif + // + // Check if event is disabled from being recorded. + // + if (EventId < 32) { + if (_SYSVIEW_Globals.DisabledEvents & ((U32)1u << EventId)) { + goto SendDone; + } + } + // + // Prepare actual packet. + // If it is a known packet, prepend eventId only, + // otherwise prepend packet length and eventId. + // + if (EventId < 24) { + *--pStartPacket = EventId; + } else { + NumBytes = pEndPacket - pStartPacket; + if (NumBytes > 127) { + *--pStartPacket = (NumBytes >> 7); + *--pStartPacket = NumBytes | 0x80; + } else { + *--pStartPacket = NumBytes; + } + if (EventId > 127) { + *--pStartPacket = (EventId >> 7); + *--pStartPacket = EventId | 0x80; + } else { + *--pStartPacket = EventId; + } + } + // + // Compute time stamp delta and append it to packet. + // + TimeStamp = SEGGER_SYSVIEW_GET_TIMESTAMP(); + Delta = TimeStamp - _SYSVIEW_Globals.LastTxTimeStamp; + MAKE_DELTA_32BIT(Delta); + ENCODE_U32(pEndPacket, Delta); +#if (SEGGER_SYSVIEW_POST_MORTEM_MODE == 1) + // + // Store packet in RTT buffer by overwriting old data and update time stamp + // + SEGGER_RTT_WriteWithOverwriteNoLock(CHANNEL_ID_UP, pStartPacket, pEndPacket - pStartPacket); + _SYSVIEW_Globals.LastTxTimeStamp = TimeStamp; +#else + // + // Try to store packet in RTT buffer and update time stamp when this was successful + // + Status = SEGGER_RTT_WriteSkipNoLock(CHANNEL_ID_UP, pStartPacket, pEndPacket - pStartPacket); + if (Status) { + _SYSVIEW_Globals.LastTxTimeStamp = TimeStamp; + } else { + _SYSVIEW_Globals.EnableState++; // EnableState has been 1, will be 2. Always. + } +#endif + +#if (SEGGER_SYSVIEW_POST_MORTEM_MODE == 1) + // + // Add sync and system information periodically if we are in post mortem mode + // + if (_SYSVIEW_Globals.RecursionCnt == 0) { // Avoid uncontrolled nesting. This way, this routine can call itself once, but no more often than that. + _SYSVIEW_Globals.RecursionCnt = 1; + if (_SYSVIEW_Globals.PacketCount++ & (1 << SEGGER_SYSVIEW_SYNC_PERIOD_SHIFT)) { + _SendSyncInfo(); + _SYSVIEW_Globals.PacketCount = 0; + } + _SYSVIEW_Globals.RecursionCnt = 0; + } +SendDone: + ; // Avoid "label at end of compound statement" error when using static buffer +#else +SendDone: + // + // Check if host is sending data which needs to be processed. + // Note that since this code is called for every packet, it is very time critical, so we do + // only what is really needed here, which is checking if there is any data + // + if (SEGGER_RTT_HASDATA(CHANNEL_ID_DOWN)) { + if (_SYSVIEW_Globals.RecursionCnt == 0) { // Avoid uncontrolled nesting. This way, this routine can call itself once, but no more often than that. + _SYSVIEW_Globals.RecursionCnt = 1; + _HandleIncomingPacket(); + _SYSVIEW_Globals.RecursionCnt = 0; + } + } +#endif + // +#if (SEGGER_SYSVIEW_USE_STATIC_BUFFER == 0) + SEGGER_SYSVIEW_UNLOCK(); // We are done. Unlock and return +#endif +} + +#ifndef SEGGER_SYSVIEW_EXCLUDE_PRINTF // Define in project to avoid warnings about variable parameter list +/********************************************************************* +* +* _APrintHost() +* +* Function description +* Prepares a string and its parameters to be formatted on the host. +* +* Parameters +* s Pointer to format string. +* Options Options to be sent to the host. +* pArguments Pointer to array of arguments for the format string. +* NumArguments Number of arguments in the array. +*/ +static void _APrintHost(const char* s, U32 Options, U32* pArguments, U32 NumArguments) { + U8* pPayload; + U8* pPayloadStart; + + RECORD_START(SEGGER_SYSVIEW_INFO_SIZE + SEGGER_SYSVIEW_MAX_STRING_LEN + 2 * SEGGER_SYSVIEW_QUANTA_U32 + SEGGER_SYSVIEW_MAX_ARGUMENTS * SEGGER_SYSVIEW_QUANTA_U32); + pPayload = _EncodeStr(pPayloadStart, s, SEGGER_SYSVIEW_MAX_STRING_LEN); + ENCODE_U32(pPayload, Options); + ENCODE_U32(pPayload, NumArguments); + while (NumArguments--) { + ENCODE_U32(pPayload, (*pArguments++)); + } + _SendPacket(pPayloadStart, pPayload, SYSVIEW_EVTID_PRINT_FORMATTED); + RECORD_END(); +} + +/********************************************************************* +* +* _VPrintHost() +* +* Function description +* Prepares a string and its parameters to be formatted on the host. +* +* Parameters +* s Pointer to format string. +* Options Options to be sent to the host. +* pParamList Pointer to the list of arguments for the format string. +*/ +static void _VPrintHost(const char* s, U32 Options, va_list* pParamList) { + U32 aParas[SEGGER_SYSVIEW_MAX_ARGUMENTS]; + U32 NumArguments; + const char* p; + + p = s; + NumArguments = 0; + while (*p) { + if (*p == '%') { + aParas[NumArguments++] = va_arg(*pParamList, int); + if (NumArguments == SEGGER_SYSVIEW_MAX_ARGUMENTS) { + break; + } + } + p++; + } + _APrintHost(s, Options, aParas, NumArguments); +} + +/********************************************************************* +* +* _StoreChar() +* +* Function description +* Stores a character in the printf-buffer and sends the buffer when +* it is filled. +* +* Parameters +* p Pointer to the buffer description. +* c Character to be printed. +*/ +static void _StoreChar(SEGGER_SYSVIEW_PRINTF_DESC * p, char c) { + unsigned Cnt; + U8* pPayload; + U32 Options; + + Cnt = p->Cnt; + if ((Cnt + 1u) <= SEGGER_SYSVIEW_MAX_STRING_LEN) { + *(p->pPayload++) = c; + p->Cnt = Cnt + 1u; + } + // + // Write part of string, when the buffer is full + // + if (p->Cnt == SEGGER_SYSVIEW_MAX_STRING_LEN) { + *(p->pPayloadStart) = p->Cnt; + pPayload = p->pPayload; + Options = p->Options; + ENCODE_U32(pPayload, Options); + ENCODE_U32(pPayload, 0); + _SendPacket(p->pPayloadStart, pPayload, SYSVIEW_EVTID_PRINT_FORMATTED); + p->pPayloadStart = _PreparePacket(p->pBuffer); + p->pPayload = p->pPayloadStart + 1u; + p->Cnt = 0u; + } +} + +/********************************************************************* +* +* _PrintUnsigned() +* +* Function description +* Print an unsigned integer with the given formatting into the +* formatted string. +* +* Parameters +* pBufferDesc Pointer to the buffer description. +* v Value to be printed. +* Base Base of the value. +* NumDigits Number of digits to be printed. +* FieldWidth Width of the printed field. +* FormatFlags Flags for formatting the value. +*/ +static void _PrintUnsigned(SEGGER_SYSVIEW_PRINTF_DESC * pBufferDesc, unsigned v, unsigned Base, unsigned NumDigits, unsigned FieldWidth, unsigned FormatFlags) { + static const char _aV2C[16] = {'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F' }; + unsigned Div; + unsigned Digit; + unsigned Number; + unsigned Width; + char c; + + Number = v; + Digit = 1u; + // + // Get actual field width + // + Width = 1u; + while (Number >= Base) { + Number = (Number / Base); + Width++; + } + if (NumDigits > Width) { + Width = NumDigits; + } + // + // Print leading chars if necessary + // + if ((FormatFlags & FORMAT_FLAG_LEFT_JUSTIFY) == 0u) { + if (FieldWidth != 0u) { + if (((FormatFlags & FORMAT_FLAG_PAD_ZERO) == FORMAT_FLAG_PAD_ZERO) && (NumDigits == 0u)) { + c = '0'; + } else { + c = ' '; + } + while ((FieldWidth != 0u) && (Width < FieldWidth)) { + FieldWidth--; + _StoreChar(pBufferDesc, c); + } + } + } + // + // Compute Digit. + // Loop until Digit has the value of the highest digit required. + // Example: If the output is 345 (Base 10), loop 2 times until Digit is 100. + // + while (1) { + if (NumDigits > 1u) { // User specified a min number of digits to print? => Make sure we loop at least that often, before checking anything else (> 1 check avoids problems with NumDigits being signed / unsigned) + NumDigits--; + } else { + Div = v / Digit; + if (Div < Base) { // Is our divider big enough to extract the highest digit from value? => Done + break; + } + } + Digit *= Base; + } + // + // Output digits + // + do { + Div = v / Digit; + v -= Div * Digit; + _StoreChar(pBufferDesc, _aV2C[Div]); + Digit /= Base; + } while (Digit); + // + // Print trailing spaces if necessary + // + if ((FormatFlags & FORMAT_FLAG_LEFT_JUSTIFY) == FORMAT_FLAG_LEFT_JUSTIFY) { + if (FieldWidth != 0u) { + while ((FieldWidth != 0u) && (Width < FieldWidth)) { + FieldWidth--; + _StoreChar(pBufferDesc, ' '); + } + } + } +} + +/********************************************************************* +* +* _PrintInt() +* +* Function description +* Print a signed integer with the given formatting into the +* formatted string. +* +* Parameters +* pBufferDesc Pointer to the buffer description. +* v Value to be printed. +* Base Base of the value. +* NumDigits Number of digits to be printed. +* FieldWidth Width of the printed field. +* FormatFlags Flags for formatting the value. +*/ +static void _PrintInt(SEGGER_SYSVIEW_PRINTF_DESC * pBufferDesc, int v, unsigned Base, unsigned NumDigits, unsigned FieldWidth, unsigned FormatFlags) { + unsigned Width; + int Number; + + Number = (v < 0) ? -v : v; + + // + // Get actual field width + // + Width = 1u; + while (Number >= (int)Base) { + Number = (Number / (int)Base); + Width++; + } + if (NumDigits > Width) { + Width = NumDigits; + } + if ((FieldWidth > 0u) && ((v < 0) || ((FormatFlags & FORMAT_FLAG_PRINT_SIGN) == FORMAT_FLAG_PRINT_SIGN))) { + FieldWidth--; + } + + // + // Print leading spaces if necessary + // + if ((((FormatFlags & FORMAT_FLAG_PAD_ZERO) == 0u) || (NumDigits != 0u)) && ((FormatFlags & FORMAT_FLAG_LEFT_JUSTIFY) == 0u)) { + if (FieldWidth != 0u) { + while ((FieldWidth != 0u) && (Width < FieldWidth)) { + FieldWidth--; + _StoreChar(pBufferDesc, ' '); + } + } + } + // + // Print sign if necessary + // + if (v < 0) { + v = -v; + _StoreChar(pBufferDesc, '-'); + } else if ((FormatFlags & FORMAT_FLAG_PRINT_SIGN) == FORMAT_FLAG_PRINT_SIGN) { + _StoreChar(pBufferDesc, '+'); + } else { + + } + // + // Print leading zeros if necessary + // + if (((FormatFlags & FORMAT_FLAG_PAD_ZERO) == FORMAT_FLAG_PAD_ZERO) && ((FormatFlags & FORMAT_FLAG_LEFT_JUSTIFY) == 0u) && (NumDigits == 0u)) { + if (FieldWidth != 0u) { + while ((FieldWidth != 0u) && (Width < FieldWidth)) { + FieldWidth--; + _StoreChar(pBufferDesc, '0'); + } + } + } + // + // Print number without sign + // + _PrintUnsigned(pBufferDesc, (unsigned)v, Base, NumDigits, FieldWidth, FormatFlags); +} + +/********************************************************************* +* +* _VPrintTarget() +* +* Function description +* Stores a formatted string. +* This data is read by the host. +* +* Parameters +* sFormat Pointer to format string. +* Options Options to be sent to the host. +* pParamList Pointer to the list of arguments for the format string. +*/ +static void _VPrintTarget(const char* sFormat, U32 Options, va_list* pParamList) { + SEGGER_SYSVIEW_PRINTF_DESC BufferDesc; + char c; + int v; + unsigned NumDigits; + unsigned FormatFlags; + unsigned FieldWidth; + U8* pPayloadStart; +#if SEGGER_SYSVIEW_USE_STATIC_BUFFER == 0 + RECORD_START(SEGGER_SYSVIEW_INFO_SIZE + SEGGER_SYSVIEW_MAX_STRING_LEN + 1 + 2 * SEGGER_SYSVIEW_QUANTA_U32); + SEGGER_SYSVIEW_LOCK(); +#else + RECORD_START(SEGGER_SYSVIEW_INFO_SIZE + SEGGER_SYSVIEW_MAX_STRING_LEN + 1 + 2 * SEGGER_SYSVIEW_QUANTA_U32); +#endif + +#if SEGGER_SYSVIEW_USE_STATIC_BUFFER == 0 + BufferDesc.pBuffer = aPacket; +#else + BufferDesc.pBuffer = _aPacket; +#endif + BufferDesc.Cnt = 0u; + BufferDesc.pPayloadStart = pPayloadStart; + BufferDesc.pPayload = BufferDesc.pPayloadStart + 1u; + BufferDesc.Options = Options; + + do { + c = *sFormat; + sFormat++; + if (c == 0u) { + break; + } + if (c == '%') { + // + // Filter out flags + // + FormatFlags = 0u; + v = 1; + do { + c = *sFormat; + switch (c) { + case '-': FormatFlags |= FORMAT_FLAG_LEFT_JUSTIFY; sFormat++; break; + case '0': FormatFlags |= FORMAT_FLAG_PAD_ZERO; sFormat++; break; + case '+': FormatFlags |= FORMAT_FLAG_PRINT_SIGN; sFormat++; break; + case '#': FormatFlags |= FORMAT_FLAG_ALTERNATE; sFormat++; break; + default: v = 0; break; + } + } while (v); + // + // filter out field with + // + FieldWidth = 0u; + do { + c = *sFormat; + if ((c < '0') || (c > '9')) { + break; + } + sFormat++; + FieldWidth = (FieldWidth * 10u) + ((unsigned)c - '0'); + } while (1); + + // + // Filter out precision (number of digits to display) + // + NumDigits = 0u; + c = *sFormat; + if (c == '.') { + sFormat++; + do { + c = *sFormat; + if ((c < '0') || (c > '9')) { + break; + } + sFormat++; + NumDigits = NumDigits * 10u + ((unsigned)c - '0'); + } while (1); + } + // + // Filter out length modifier + // + c = *sFormat; + do { + if ((c == 'l') || (c == 'h')) { + c = *sFormat; + sFormat++; + } else { + break; + } + } while (1); + // + // Handle specifiers + // + switch (c) { + case 'c': { + char c0; + v = va_arg(*pParamList, int); + c0 = (char)v; + _StoreChar(&BufferDesc, c0); + break; + } + case 'd': + v = va_arg(*pParamList, int); + _PrintInt(&BufferDesc, v, 10u, NumDigits, FieldWidth, FormatFlags); + break; + case 'u': + v = va_arg(*pParamList, int); + _PrintUnsigned(&BufferDesc, (unsigned)v, 10u, NumDigits, FieldWidth, FormatFlags); + break; + case 'x': + case 'X': + v = va_arg(*pParamList, int); + _PrintUnsigned(&BufferDesc, (unsigned)v, 16u, NumDigits, FieldWidth, FormatFlags); + break; + case 'p': + v = va_arg(*pParamList, int); + _PrintUnsigned(&BufferDesc, (unsigned)v, 16u, 8u, 8u, 0u); + break; + case '%': + _StoreChar(&BufferDesc, '%'); + break; + default: + break; + } + sFormat++; + } else { + _StoreChar(&BufferDesc, c); + } + } while (*sFormat); + + // + // Write remaining data, if any + // + if (BufferDesc.Cnt != 0u) { + *(BufferDesc.pPayloadStart) = BufferDesc.Cnt; + ENCODE_U32(BufferDesc.pPayload, BufferDesc.Options); + ENCODE_U32(BufferDesc.pPayload, 0); + _SendPacket(BufferDesc.pPayloadStart, BufferDesc.pPayload, SYSVIEW_EVTID_PRINT_FORMATTED); + } +#if SEGGER_SYSVIEW_USE_STATIC_BUFFER == 0 + SEGGER_SYSVIEW_UNLOCK(); + RECORD_END(); +#else + RECORD_END(); +#endif +} +#endif // SEGGER_SYSVIEW_EXCLUDE_PRINTF + +/********************************************************************* +* +* Public functions +* +********************************************************************** +*/ + +/********************************************************************* +* +* SEGGER_SYSVIEW_Init() +* +* Function description +* Initializes the SYSVIEW module. +* Must be called before SystemViewer attaches to the system. +* +* Parameters +* SysFreq - Frequency of timestamp, i.e. CPU core clock frequency. +* CPUFreq - CPU core clock frequency. +* pOSAPI - Pointer to the API structure for OS-specific functions. +* pfSendSysDesc - Pointer to SendSysDesc callback function. +* +* Additional information +* This function initializes the RTT channel used to transport +* SEGGER SystemView packets. +* The channel is assigned the label "SysView" for client software +* to identify the SystemView channel. +* +* Notes +* The channel is configured by the macro SEGGER_SYSVIEW_RTT_CHANNEL. +*/ +void SEGGER_SYSVIEW_Init(U32 SysFreq, U32 CPUFreq, const SEGGER_SYSVIEW_OS_API *pOSAPI, SEGGER_SYSVIEW_SEND_SYS_DESC_FUNC pfSendSysDesc) { +#ifdef SEGGER_RTT_SECTION + // + // Explicitly initialize the RTT Control Block if it is in its dedicated section. + // + SEGGER_RTT_Init(); +#endif +#if (SEGGER_SYSVIEW_POST_MORTEM_MODE == 1) +#if SEGGER_SYSVIEW_RTT_CHANNEL > 0 + SEGGER_RTT_ConfigUpBuffer(SEGGER_SYSVIEW_RTT_CHANNEL, "SysView", &_UpBuffer[0], sizeof(_UpBuffer), SEGGER_RTT_MODE_NO_BLOCK_SKIP); +#else + _SYSVIEW_Globals.UpChannel = SEGGER_RTT_AllocUpBuffer ("SysView", &_UpBuffer[0], sizeof(_UpBuffer), SEGGER_RTT_MODE_NO_BLOCK_SKIP); +#endif + _SYSVIEW_Globals.RAMBaseAddress = SEGGER_SYSVIEW_ID_BASE; + _SYSVIEW_Globals.LastTxTimeStamp = SEGGER_SYSVIEW_GET_TIMESTAMP(); + _SYSVIEW_Globals.pOSAPI = pOSAPI; + _SYSVIEW_Globals.SysFreq = SysFreq; + _SYSVIEW_Globals.CPUFreq = CPUFreq; + _SYSVIEW_Globals.pfSendSysDesc = pfSendSysDesc; + _SYSVIEW_Globals.EnableState = 0; + _SYSVIEW_Globals.PacketCount = 0; +#else // (SEGGER_SYSVIEW_POST_MORTEM_MODE == 1) +#if SEGGER_SYSVIEW_RTT_CHANNEL > 0 + SEGGER_RTT_ConfigUpBuffer (SEGGER_SYSVIEW_RTT_CHANNEL, "SysView", &_UpBuffer[0], sizeof(_UpBuffer), SEGGER_RTT_MODE_NO_BLOCK_SKIP); + SEGGER_RTT_ConfigDownBuffer (SEGGER_SYSVIEW_RTT_CHANNEL, "SysView", &_DownBuffer[0], sizeof(_DownBuffer), SEGGER_RTT_MODE_NO_BLOCK_SKIP); +#else + _SYSVIEW_Globals.UpChannel = SEGGER_RTT_AllocUpBuffer ("SysView", &_UpBuffer[0], sizeof(_UpBuffer), SEGGER_RTT_MODE_NO_BLOCK_SKIP); + // + // TODO: Use SEGGER_RTT_AllocDownBuffer when SystemViewer is able to handle another Down Channel than Up Channel. + // + _SYSVIEW_Globals.DownChannel = _SYSVIEW_Globals.UpChannel; + SEGGER_RTT_ConfigDownBuffer (_SYSVIEW_Globals.DownChannel, "SysView", &_DownBuffer[0], sizeof(_DownBuffer), SEGGER_RTT_MODE_NO_BLOCK_SKIP); +#endif + _SYSVIEW_Globals.RAMBaseAddress = SEGGER_SYSVIEW_ID_BASE; + _SYSVIEW_Globals.LastTxTimeStamp = SEGGER_SYSVIEW_GET_TIMESTAMP(); + _SYSVIEW_Globals.pOSAPI = pOSAPI; + _SYSVIEW_Globals.SysFreq = SysFreq; + _SYSVIEW_Globals.CPUFreq = CPUFreq; + _SYSVIEW_Globals.pfSendSysDesc = pfSendSysDesc; + _SYSVIEW_Globals.EnableState = 0; +#endif // (SEGGER_SYSVIEW_POST_MORTEM_MODE == 1) +} + +/********************************************************************* +* +* SEGGER_SYSVIEW_SetRAMBase() +* +* Function description +* Sets the RAM base address, which is subtracted from IDs in order +* to save bandwidth. +* +* Parameters +* RAMBaseAddress - Lowest RAM Address. (i.e. 0x20000000 on most Cortex-M) +*/ +void SEGGER_SYSVIEW_SetRAMBase(U32 RAMBaseAddress) { + _SYSVIEW_Globals.RAMBaseAddress = RAMBaseAddress; +} + +/********************************************************************* +* +* SEGGER_SYSVIEW_RecordVoid() +* +* Function description +* Formats and sends a SystemView packet with an empty payload. +* +* Parameters +* EventID - SystemView event ID. +*/ +void SEGGER_SYSVIEW_RecordVoid(unsigned EventID) { + U8* pPayloadStart; + RECORD_START(SEGGER_SYSVIEW_INFO_SIZE); + // + _SendPacket(pPayloadStart, pPayloadStart, EventID); + RECORD_END(); +} + +/********************************************************************* +* +* SEGGER_SYSVIEW_RecordU32() +* +* Function description +* Formats and sends a SystemView packet containing a single U32 +* parameter payload. +* +* Parameters +* EventID - SystemView event ID. +* Value - The 32-bit parameter encoded to SystemView packet payload. +*/ +void SEGGER_SYSVIEW_RecordU32(unsigned EventID, U32 Value) { + U8* pPayload; + U8* pPayloadStart; + RECORD_START(SEGGER_SYSVIEW_INFO_SIZE + SEGGER_SYSVIEW_QUANTA_U32); + // + pPayload = pPayloadStart; + ENCODE_U32(pPayload, Value); + _SendPacket(pPayloadStart, pPayload, EventID); + RECORD_END(); +} + +/********************************************************************* +* +* SEGGER_SYSVIEW_RecordU32x2() +* +* Function description +* Formats and sends a SystemView packet containing 2 U32 parameter payload. +* +* Parameters +* EventID - SystemView event ID. +* Para0 - The 32-bit parameter encoded to SystemView packet payload. +* Para1 - The 32-bit parameter encoded to SystemView packet payload. +*/ +void SEGGER_SYSVIEW_RecordU32x2(unsigned EventID, U32 Para0, U32 Para1) { + U8* pPayload; + U8* pPayloadStart; + RECORD_START(SEGGER_SYSVIEW_INFO_SIZE + 2 * SEGGER_SYSVIEW_QUANTA_U32); + // + pPayload = pPayloadStart; + ENCODE_U32(pPayload, Para0); + ENCODE_U32(pPayload, Para1); + _SendPacket(pPayloadStart, pPayload, EventID); + RECORD_END(); +} + +/********************************************************************* +* +* SEGGER_SYSVIEW_RecordU32x3() +* +* Function description +* Formats and sends a SystemView packet containing 3 U32 parameter payload. +* +* Parameters +* EventID - SystemView event ID. +* Para0 - The 32-bit parameter encoded to SystemView packet payload. +* Para1 - The 32-bit parameter encoded to SystemView packet payload. +* Para2 - The 32-bit parameter encoded to SystemView packet payload. +*/ +void SEGGER_SYSVIEW_RecordU32x3(unsigned EventID, U32 Para0, U32 Para1, U32 Para2) { + U8* pPayload; + U8* pPayloadStart; + RECORD_START(SEGGER_SYSVIEW_INFO_SIZE + 3 * SEGGER_SYSVIEW_QUANTA_U32); + // + pPayload = pPayloadStart; + ENCODE_U32(pPayload, Para0); + ENCODE_U32(pPayload, Para1); + ENCODE_U32(pPayload, Para2); + _SendPacket(pPayloadStart, pPayload, EventID); + RECORD_END(); +} + +/********************************************************************* +* +* SEGGER_SYSVIEW_RecordU32x4() +* +* Function description +* Formats and sends a SystemView packet containing 4 U32 parameter payload. +* +* Parameters +* EventID - SystemView event ID. +* Para0 - The 32-bit parameter encoded to SystemView packet payload. +* Para1 - The 32-bit parameter encoded to SystemView packet payload. +* Para2 - The 32-bit parameter encoded to SystemView packet payload. +* Para3 - The 32-bit parameter encoded to SystemView packet payload. +*/ +void SEGGER_SYSVIEW_RecordU32x4(unsigned EventID, U32 Para0, U32 Para1, U32 Para2, U32 Para3) { + U8* pPayload; + U8* pPayloadStart; + RECORD_START(SEGGER_SYSVIEW_INFO_SIZE + 4 * SEGGER_SYSVIEW_QUANTA_U32); + // + pPayload = pPayloadStart; + ENCODE_U32(pPayload, Para0); + ENCODE_U32(pPayload, Para1); + ENCODE_U32(pPayload, Para2); + ENCODE_U32(pPayload, Para3); + _SendPacket(pPayloadStart, pPayload, EventID); + RECORD_END(); +} + +/********************************************************************* +* +* SEGGER_SYSVIEW_RecordU32x5() +* +* Function description +* Formats and sends a SystemView packet containing 5 U32 parameter payload. +* +* Parameters +* EventID - SystemView event ID. +* Para0 - The 32-bit parameter encoded to SystemView packet payload. +* Para1 - The 32-bit parameter encoded to SystemView packet payload. +* Para2 - The 32-bit parameter encoded to SystemView packet payload. +* Para3 - The 32-bit parameter encoded to SystemView packet payload. +* Para4 - The 32-bit parameter encoded to SystemView packet payload. +*/ +void SEGGER_SYSVIEW_RecordU32x5(unsigned EventID, U32 Para0, U32 Para1, U32 Para2, U32 Para3, U32 Para4) { + U8* pPayload; + U8* pPayloadStart; + RECORD_START(SEGGER_SYSVIEW_INFO_SIZE + 5 * SEGGER_SYSVIEW_QUANTA_U32); + // + pPayload = pPayloadStart; + ENCODE_U32(pPayload, Para0); + ENCODE_U32(pPayload, Para1); + ENCODE_U32(pPayload, Para2); + ENCODE_U32(pPayload, Para3); + ENCODE_U32(pPayload, Para4); + _SendPacket(pPayloadStart, pPayload, EventID); + RECORD_END(); +} + +/********************************************************************* +* +* SEGGER_SYSVIEW_RecordU32x6() +* +* Function description +* Formats and sends a SystemView packet containing 6 U32 parameter payload. +* +* Parameters +* EventID - SystemView event ID. +* Para0 - The 32-bit parameter encoded to SystemView packet payload. +* Para1 - The 32-bit parameter encoded to SystemView packet payload. +* Para2 - The 32-bit parameter encoded to SystemView packet payload. +* Para3 - The 32-bit parameter encoded to SystemView packet payload. +* Para4 - The 32-bit parameter encoded to SystemView packet payload. +* Para5 - The 32-bit parameter encoded to SystemView packet payload. +*/ +void SEGGER_SYSVIEW_RecordU32x6(unsigned EventID, U32 Para0, U32 Para1, U32 Para2, U32 Para3, U32 Para4, U32 Para5) { + U8* pPayload; + U8* pPayloadStart; + RECORD_START(SEGGER_SYSVIEW_INFO_SIZE + 6 * SEGGER_SYSVIEW_QUANTA_U32); + // + pPayload = pPayloadStart; + ENCODE_U32(pPayload, Para0); + ENCODE_U32(pPayload, Para1); + ENCODE_U32(pPayload, Para2); + ENCODE_U32(pPayload, Para3); + ENCODE_U32(pPayload, Para4); + ENCODE_U32(pPayload, Para5); + _SendPacket(pPayloadStart, pPayload, EventID); + RECORD_END(); +} + +/********************************************************************* +* +* SEGGER_SYSVIEW_RecordU32x7() +* +* Function description +* Formats and sends a SystemView packet containing 7 U32 parameter payload. +* +* Parameters +* EventID - SystemView event ID. +* Para0 - The 32-bit parameter encoded to SystemView packet payload. +* Para1 - The 32-bit parameter encoded to SystemView packet payload. +* Para2 - The 32-bit parameter encoded to SystemView packet payload. +* Para3 - The 32-bit parameter encoded to SystemView packet payload. +* Para4 - The 32-bit parameter encoded to SystemView packet payload. +* Para5 - The 32-bit parameter encoded to SystemView packet payload. +* Para6 - The 32-bit parameter encoded to SystemView packet payload. +*/ +void SEGGER_SYSVIEW_RecordU32x7(unsigned EventID, U32 Para0, U32 Para1, U32 Para2, U32 Para3, U32 Para4, U32 Para5, U32 Para6) { + U8* pPayload; + U8* pPayloadStart; + RECORD_START(SEGGER_SYSVIEW_INFO_SIZE + 7 * SEGGER_SYSVIEW_QUANTA_U32); + // + pPayload = pPayloadStart; + ENCODE_U32(pPayload, Para0); + ENCODE_U32(pPayload, Para1); + ENCODE_U32(pPayload, Para2); + ENCODE_U32(pPayload, Para3); + ENCODE_U32(pPayload, Para4); + ENCODE_U32(pPayload, Para5); + ENCODE_U32(pPayload, Para6); + _SendPacket(pPayloadStart, pPayload, EventID); + RECORD_END(); +} + +/********************************************************************* +* +* SEGGER_SYSVIEW_RecordU32x8() +* +* Function description +* Formats and sends a SystemView packet containing 8 U32 parameter payload. +* +* Parameters +* EventID - SystemView event ID. +* Para0 - The 32-bit parameter encoded to SystemView packet payload. +* Para1 - The 32-bit parameter encoded to SystemView packet payload. +* Para2 - The 32-bit parameter encoded to SystemView packet payload. +* Para3 - The 32-bit parameter encoded to SystemView packet payload. +* Para4 - The 32-bit parameter encoded to SystemView packet payload. +* Para5 - The 32-bit parameter encoded to SystemView packet payload. +* Para6 - The 32-bit parameter encoded to SystemView packet payload. +* Para7 - The 32-bit parameter encoded to SystemView packet payload. +*/ +void SEGGER_SYSVIEW_RecordU32x8(unsigned EventID, U32 Para0, U32 Para1, U32 Para2, U32 Para3, U32 Para4, U32 Para5, U32 Para6, U32 Para7) { + U8* pPayload; + U8* pPayloadStart; + RECORD_START(SEGGER_SYSVIEW_INFO_SIZE + 8 * SEGGER_SYSVIEW_QUANTA_U32); + // + pPayload = pPayloadStart; + ENCODE_U32(pPayload, Para0); + ENCODE_U32(pPayload, Para1); + ENCODE_U32(pPayload, Para2); + ENCODE_U32(pPayload, Para3); + ENCODE_U32(pPayload, Para4); + ENCODE_U32(pPayload, Para5); + ENCODE_U32(pPayload, Para6); + ENCODE_U32(pPayload, Para7); + _SendPacket(pPayloadStart, pPayload, EventID); + RECORD_END(); +} + +/********************************************************************* +* +* SEGGER_SYSVIEW_RecordU32x9() +* +* Function description +* Formats and sends a SystemView packet containing 9 U32 parameter payload. +* +* Parameters +* EventID - SystemView event ID. +* Para0 - The 32-bit parameter encoded to SystemView packet payload. +* Para1 - The 32-bit parameter encoded to SystemView packet payload. +* Para2 - The 32-bit parameter encoded to SystemView packet payload. +* Para3 - The 32-bit parameter encoded to SystemView packet payload. +* Para4 - The 32-bit parameter encoded to SystemView packet payload. +* Para5 - The 32-bit parameter encoded to SystemView packet payload. +* Para6 - The 32-bit parameter encoded to SystemView packet payload. +* Para7 - The 32-bit parameter encoded to SystemView packet payload. +* Para8 - The 32-bit parameter encoded to SystemView packet payload. +*/ +void SEGGER_SYSVIEW_RecordU32x9(unsigned EventID, U32 Para0, U32 Para1, U32 Para2, U32 Para3, U32 Para4, U32 Para5, U32 Para6, U32 Para7, U32 Para8) { + U8* pPayload; + U8* pPayloadStart; + RECORD_START(SEGGER_SYSVIEW_INFO_SIZE + 9 * SEGGER_SYSVIEW_QUANTA_U32); + // + pPayload = pPayloadStart; + ENCODE_U32(pPayload, Para0); + ENCODE_U32(pPayload, Para1); + ENCODE_U32(pPayload, Para2); + ENCODE_U32(pPayload, Para3); + ENCODE_U32(pPayload, Para4); + ENCODE_U32(pPayload, Para5); + ENCODE_U32(pPayload, Para6); + ENCODE_U32(pPayload, Para7); + ENCODE_U32(pPayload, Para8); + _SendPacket(pPayloadStart, pPayload, EventID); + RECORD_END(); +} + +/********************************************************************* +* +* SEGGER_SYSVIEW_RecordU32x10() +* +* Function description +* Formats and sends a SystemView packet containing 10 U32 parameter payload. +* +* Parameters +* EventID - SystemView event ID. +* Para0 - The 32-bit parameter encoded to SystemView packet payload. +* Para1 - The 32-bit parameter encoded to SystemView packet payload. +* Para2 - The 32-bit parameter encoded to SystemView packet payload. +* Para3 - The 32-bit parameter encoded to SystemView packet payload. +* Para4 - The 32-bit parameter encoded to SystemView packet payload. +* Para5 - The 32-bit parameter encoded to SystemView packet payload. +* Para6 - The 32-bit parameter encoded to SystemView packet payload. +* Para7 - The 32-bit parameter encoded to SystemView packet payload. +* Para8 - The 32-bit parameter encoded to SystemView packet payload. +* Para9 - The 32-bit parameter encoded to SystemView packet payload. +*/ +void SEGGER_SYSVIEW_RecordU32x10(unsigned EventID, U32 Para0, U32 Para1, U32 Para2, U32 Para3, U32 Para4, U32 Para5, U32 Para6, U32 Para7, U32 Para8, U32 Para9) { + U8* pPayload; + U8* pPayloadStart; + RECORD_START(SEGGER_SYSVIEW_INFO_SIZE + 10 * SEGGER_SYSVIEW_QUANTA_U32); + // + pPayload = pPayloadStart; + ENCODE_U32(pPayload, Para0); + ENCODE_U32(pPayload, Para1); + ENCODE_U32(pPayload, Para2); + ENCODE_U32(pPayload, Para3); + ENCODE_U32(pPayload, Para4); + ENCODE_U32(pPayload, Para5); + ENCODE_U32(pPayload, Para6); + ENCODE_U32(pPayload, Para7); + ENCODE_U32(pPayload, Para8); + ENCODE_U32(pPayload, Para9); + _SendPacket(pPayloadStart, pPayload, EventID); + RECORD_END(); +} +/********************************************************************* +* +* SEGGER_SYSVIEW_RecordString() +* +* Function description +* Formats and sends a SystemView packet containing a string. +* +* Parameters +* EventID - SystemView event ID. +* pString - The string to be sent in the SystemView packet payload. +* +* Additional information +* The string is encoded as a count byte followed by the contents +* of the string. +* No more than SEGGER_SYSVIEW_MAX_STRING_LEN bytes will be encoded to the payload. +*/ +void SEGGER_SYSVIEW_RecordString(unsigned EventID, const char* pString) { + U8* pPayload; + U8* pPayloadStart; + RECORD_START(SEGGER_SYSVIEW_INFO_SIZE + 1 + SEGGER_SYSVIEW_MAX_STRING_LEN); + // + pPayload = _EncodeStr(pPayloadStart, pString, SEGGER_SYSVIEW_MAX_STRING_LEN); + _SendPacket(pPayloadStart, pPayload, EventID); + RECORD_END(); +} + +/********************************************************************* +* +* SEGGER_SYSVIEW_Start() +* +* Function description +* Start recording SystemView events. +* This function is triggered by the host application. +* +* Additional information +* This function enables transmission of SystemView packets recorded +* by subsequent trace calls and records a SystemView Start event. +* +* As part of start, a SystemView Init packet is sent, containing the system +* frequency. The list of current tasks, the current system time and the +* system description string is sent, too. +* +* Notes +* SEGGER_SYSVIEW_Start and SEGGER_SYSVIEW_Stop do not nest. +*/ +void SEGGER_SYSVIEW_Start(void) { + if (_SYSVIEW_Globals.EnableState == 0) { + _SYSVIEW_Globals.EnableState = 1; +#if (SEGGER_SYSVIEW_POST_MORTEM_MODE == 1) + _SendSyncInfo(); +#else + SEGGER_SYSVIEW_LOCK(); + SEGGER_RTT_WriteSkipNoLock(CHANNEL_ID_UP, _abSync, 10); + SEGGER_SYSVIEW_UNLOCK(); + SEGGER_SYSVIEW_RecordVoid(SYSVIEW_EVTID_TRACE_START); + { + U8* pPayload; + U8* pPayloadStart; + RECORD_START(SEGGER_SYSVIEW_INFO_SIZE + 4 * SEGGER_SYSVIEW_QUANTA_U32); + // + pPayload = pPayloadStart; + ENCODE_U32(pPayload, _SYSVIEW_Globals.SysFreq); + ENCODE_U32(pPayload, _SYSVIEW_Globals.CPUFreq); + ENCODE_U32(pPayload, _SYSVIEW_Globals.RAMBaseAddress); + ENCODE_U32(pPayload, SEGGER_SYSVIEW_ID_SHIFT); + _SendPacket(pPayloadStart, pPayload, SYSVIEW_EVTID_INIT); + RECORD_END(); + } + if (_SYSVIEW_Globals.pfSendSysDesc) { + _SYSVIEW_Globals.pfSendSysDesc(); + } + SEGGER_SYSVIEW_RecordSystime(); + SEGGER_SYSVIEW_SendTaskList(); + SEGGER_SYSVIEW_SendNumModules(); +#endif + } +} + +/********************************************************************* +* +* SEGGER_SYSVIEW_Stop() +* +* Function description +* Stop recording SystemView events. +* +* Additional information +* This function disables transmission of SystemView packets recorded +* by subsequent trace calls. If transmission is enabled when +* this function is called, a single SystemView Stop event is recorded +* to the trace, send, and then trace transmission is halted. +*/ +void SEGGER_SYSVIEW_Stop(void) { + U8* pPayloadStart; + RECORD_START(SEGGER_SYSVIEW_INFO_SIZE); + // + if (_SYSVIEW_Globals.EnableState) { + _SendPacket(pPayloadStart, pPayloadStart, SYSVIEW_EVTID_TRACE_STOP); + _SYSVIEW_Globals.EnableState = 0; + } + RECORD_END(); +} + +/********************************************************************* +* +* SEGGER_SYSVIEW_GetSysDesc() +* +* Function description +* Triggers a send of the system information and description. +* +*/ +void SEGGER_SYSVIEW_GetSysDesc(void) { + U8* pPayload; + U8* pPayloadStart; + RECORD_START(SEGGER_SYSVIEW_INFO_SIZE + 4 * SEGGER_SYSVIEW_QUANTA_U32); + // + pPayload = pPayloadStart; + ENCODE_U32(pPayload, _SYSVIEW_Globals.SysFreq); + ENCODE_U32(pPayload, _SYSVIEW_Globals.CPUFreq); + ENCODE_U32(pPayload, _SYSVIEW_Globals.RAMBaseAddress); + ENCODE_U32(pPayload, SEGGER_SYSVIEW_ID_SHIFT); + _SendPacket(pPayloadStart, pPayload, SYSVIEW_EVTID_INIT); + RECORD_END(); + if (_SYSVIEW_Globals.pfSendSysDesc) { + _SYSVIEW_Globals.pfSendSysDesc(); + } +} + +/********************************************************************* +* +* SEGGER_SYSVIEW_SendTaskInfo() +* +* Function description +* Send a Task Info Packet, containing TaskId for identification, +* task priority and task name. +* +* Parameters +* pInfo - Pointer to task information to send. +*/ +void SEGGER_SYSVIEW_SendTaskInfo(const SEGGER_SYSVIEW_TASKINFO *pInfo) { + U8* pPayload; + U8* pPayloadStart; + RECORD_START(SEGGER_SYSVIEW_INFO_SIZE + SEGGER_SYSVIEW_QUANTA_U32 + 1 + 32); + // + pPayload = pPayloadStart; + ENCODE_U32(pPayload, SHRINK_ID(pInfo->TaskID)); + ENCODE_U32(pPayload, pInfo->Prio); + pPayload = _EncodeStr(pPayload, pInfo->sName, 32); + _SendPacket(pPayloadStart, pPayload, SYSVIEW_EVTID_TASK_INFO); + // + pPayload = pPayloadStart; + ENCODE_U32(pPayload, SHRINK_ID(pInfo->TaskID)); + ENCODE_U32(pPayload, pInfo->StackBase); + ENCODE_U32(pPayload, pInfo->StackSize); + ENCODE_U32(pPayload, 0); // Stack End, future use + _SendPacket(pPayloadStart, pPayload, SYSVIEW_EVTID_STACK_INFO); + RECORD_END(); +} + +/********************************************************************* +* +* SEGGER_SYSVIEW_SendTaskList() +* +* Function description +* Send all tasks descriptors to the host. +*/ +void SEGGER_SYSVIEW_SendTaskList(void) { + if (_SYSVIEW_Globals.pOSAPI && _SYSVIEW_Globals.pOSAPI->pfSendTaskList) { + _SYSVIEW_Globals.pOSAPI->pfSendTaskList(); + } +} + +/********************************************************************* +* +* SEGGER_SYSVIEW_SendSysDesc() +* +* Function description +* Send the system description string to the host. +* The system description is used by SystemViewer to identify the +* current application and handle events accordingly. +* +* Parameters +* sSysDesc - Pointer to the 0-terminated system description string. +* +* Additional information +* One system description string may not exceed SEGGER_SYSVIEW_MAX_STRING_LEN characters. +* +* The Following items can be described in a system description string. +* Each item is identified by its identifier, followed by '=' and the value. +* Items are separated by ','. +*/ +void SEGGER_SYSVIEW_SendSysDesc(const char *sSysDesc) { + U8* pPayload; + U8* pPayloadStart; + RECORD_START(SEGGER_SYSVIEW_INFO_SIZE + 1 + SEGGER_SYSVIEW_MAX_STRING_LEN); + // + pPayload = _EncodeStr(pPayloadStart, sSysDesc, SEGGER_SYSVIEW_MAX_STRING_LEN); + _SendPacket(pPayloadStart, pPayload, SYSVIEW_EVTID_SYSDESC); + RECORD_END(); +} + +/********************************************************************* +* +* SEGGER_SYSVIEW_RecordSystime() +* +* Function description +* Formats and sends a SystemView Systime containing a single U64 or U32 +* parameter payload. +*/ +void SEGGER_SYSVIEW_RecordSystime(void) { + U64 Systime; + + if (_SYSVIEW_Globals.pOSAPI && _SYSVIEW_Globals.pOSAPI->pfGetTime) { + Systime = _SYSVIEW_Globals.pOSAPI->pfGetTime(); + SEGGER_SYSVIEW_RecordU32x2(SYSVIEW_EVTID_SYSTIME_US, + (U32)(Systime), + (U32)(Systime >> 32)); + } else { + SEGGER_SYSVIEW_RecordU32(SYSVIEW_EVTID_SYSTIME_CYCLES, SEGGER_SYSVIEW_GET_TIMESTAMP()); + } +} + +/********************************************************************* +* +* SEGGER_SYSVIEW_RecordEnterISR() +* +* Function description +* Format and send an ISR entry event. +* +* Additional information +* Example packets sent +* 02 0F 50 // ISR(15) Enter. Timestamp is 80 (0x50) +*/ +void SEGGER_SYSVIEW_RecordEnterISR(void) { + unsigned v; + U8* pPayload; + U8* pPayloadStart; + RECORD_START(SEGGER_SYSVIEW_INFO_SIZE + SEGGER_SYSVIEW_QUANTA_U32); + // + pPayload = pPayloadStart; + v = SEGGER_SYSVIEW_GET_INTERRUPT_ID(); + ENCODE_U32(pPayload, v); + _SendPacket(pPayloadStart, pPayload, SYSVIEW_EVTID_ISR_ENTER); + RECORD_END(); +} + +/********************************************************************* +* +* SEGGER_SYSVIEW_RecordExitISR() +* +* Function description +* Format and send an ISR exit event. +* +* Additional information +* Format as follows: +* 03 // Max. packet len is 6 +* +* Example packets sent +* 03 20 // ISR Exit. Timestamp is 32 (0x20) +*/ +void SEGGER_SYSVIEW_RecordExitISR(void) { + U8* pPayloadStart; + RECORD_START(SEGGER_SYSVIEW_INFO_SIZE); + // + _SendPacket(pPayloadStart, pPayloadStart, SYSVIEW_EVTID_ISR_EXIT); + RECORD_END(); +} + +/********************************************************************* +* +* SEGGER_SYSVIEW_RecordExitISRToScheduler() +* +* Function description +* Format and send an ISR exit into scheduler event. +* +* Additional information +* Format as follows: +* 18 // Max. packet len is 6 +* +* Example packets sent +* 18 20 // ISR Exit to Scheduler. Timestamp is 32 (0x20) +*/ +void SEGGER_SYSVIEW_RecordExitISRToScheduler(void) { + U8* pPayloadStart; + RECORD_START(SEGGER_SYSVIEW_INFO_SIZE); + // + _SendPacket(pPayloadStart, pPayloadStart, SYSVIEW_EVTID_ISR_TO_SCHEDULER); + RECORD_END(); +} + +/********************************************************************* +* +* SEGGER_SYSVIEW_RecordEnterTimer() +* +* Function description +* Format and send a Timer entry event. +* +* Parameters +* TimerId - Id of the timer which starts. +*/ +void SEGGER_SYSVIEW_RecordEnterTimer(U32 TimerId) { + U8* pPayload; + U8* pPayloadStart; + RECORD_START(SEGGER_SYSVIEW_INFO_SIZE + SEGGER_SYSVIEW_QUANTA_U32); + // + pPayload = pPayloadStart; + ENCODE_U32(pPayload, SHRINK_ID(TimerId)); + _SendPacket(pPayloadStart, pPayload, SYSVIEW_EVTID_TIMER_ENTER); + RECORD_END(); +} + +/********************************************************************* +* +* SEGGER_SYSVIEW_RecordExitTimer() +* +* Function description +* Format and send a Timer exit event. +*/ +void SEGGER_SYSVIEW_RecordExitTimer(void) { + U8* pPayloadStart; + RECORD_START(SEGGER_SYSVIEW_INFO_SIZE); + // + _SendPacket(pPayloadStart, pPayloadStart, SYSVIEW_EVTID_TIMER_EXIT); + RECORD_END(); +} + +/********************************************************************* +* +* SEGGER_SYSVIEW_RecordEndCall() +* +* Function description +* Format and send an End API Call event without return value. +* +* Parameters +* EventID - Id of API function which ends. +*/ +void SEGGER_SYSVIEW_RecordEndCall(unsigned EventID) { + U8* pPayload; + U8* pPayloadStart; + RECORD_START(SEGGER_SYSVIEW_INFO_SIZE + SEGGER_SYSVIEW_QUANTA_U32); + // + pPayload = pPayloadStart; + ENCODE_U32(pPayload, EventID); + _SendPacket(pPayloadStart, pPayload, SYSVIEW_EVTID_END_CALL); + RECORD_END(); +} + +/********************************************************************* +* +* SEGGER_SYSVIEW_RecordEndCallU32() +* +* Function description +* Format and send an End API Call event with return value. +* +* Parameters +* EventID - Id of API function which ends. +* Para0 - Return value which will be returned by the API function. +*/ +void SEGGER_SYSVIEW_RecordEndCallU32(unsigned EventID, U32 Para0) { + U8* pPayload; + U8* pPayloadStart; + RECORD_START(SEGGER_SYSVIEW_INFO_SIZE + 2 * SEGGER_SYSVIEW_QUANTA_U32); + // + pPayload = pPayloadStart; + ENCODE_U32(pPayload, EventID); + ENCODE_U32(pPayload, Para0); + _SendPacket(pPayloadStart, pPayload, SYSVIEW_EVTID_END_CALL); + RECORD_END(); +} + +/********************************************************************* +* +* SEGGER_SYSVIEW_OnIdle() +* +* Function description +* Record an Idle event. +*/ +void SEGGER_SYSVIEW_OnIdle(void) { + U8* pPayloadStart; + RECORD_START(SEGGER_SYSVIEW_INFO_SIZE); + // + _SendPacket(pPayloadStart, pPayloadStart, SYSVIEW_EVTID_IDLE); + RECORD_END(); +} + +/********************************************************************* +* +* SEGGER_SYSVIEW_OnTaskCreate() +* +* Function description +* Record a Task Create event. The Task Create event corresponds +* to creating a task in the OS. +* +* Parameters +* TaskId - Task ID of created task. +*/ +void SEGGER_SYSVIEW_OnTaskCreate(unsigned TaskId) { + U8* pPayload; + U8* pPayloadStart; + RECORD_START(SEGGER_SYSVIEW_INFO_SIZE + SEGGER_SYSVIEW_QUANTA_U32); + // + pPayload = pPayloadStart; + TaskId = SHRINK_ID(TaskId); + ENCODE_U32(pPayload, TaskId); + _SendPacket(pPayloadStart, pPayload, SYSVIEW_EVTID_TASK_CREATE); + RECORD_END(); +} + +/********************************************************************* +* +* SEGGER_SYSVIEW_OnTaskTerminate() +* +* Function description +* Record a Task termination event. +* The Task termination event corresponds to terminating a task in +* the OS. If the TaskId is the currently active task, +* SEGGER_SYSVIEW_OnTaskStopExec may be used, either. +* +* Parameters +* TaskId - Task ID of terminated task. +*/ +void SEGGER_SYSVIEW_OnTaskTerminate(unsigned TaskId) { + U8* pPayload; + U8* pPayloadStart; + RECORD_START(SEGGER_SYSVIEW_INFO_SIZE + SEGGER_SYSVIEW_QUANTA_U32); + // + pPayload = pPayloadStart; + TaskId = SHRINK_ID(TaskId); + ENCODE_U32(pPayload, TaskId); + _SendPacket(pPayloadStart, pPayload, SYSVIEW_EVTID_TASK_TERMINATE); + RECORD_END(); +} + +/********************************************************************* +* +* SEGGER_SYSVIEW_OnTaskStartExec() +* +* Function description +* Record a Task Start Execution event. The Task Start event +* corresponds to when a task has started to execute rather than +* when it is ready to execute. +* +* Parameters +* TaskId - Task ID of task that started to execute. +*/ +void SEGGER_SYSVIEW_OnTaskStartExec(unsigned TaskId) { + U8* pPayload; + U8* pPayloadStart; + RECORD_START(SEGGER_SYSVIEW_INFO_SIZE + SEGGER_SYSVIEW_QUANTA_U32); + // + pPayload = pPayloadStart; + TaskId = SHRINK_ID(TaskId); + ENCODE_U32(pPayload, TaskId); + _SendPacket(pPayloadStart, pPayload, SYSVIEW_EVTID_TASK_START_EXEC); + RECORD_END(); +} + +/********************************************************************* +* +* SEGGER_SYSVIEW_OnTaskStopExec() +* +* Function description +* Record a Task Stop Execution event. The Task Stop event +* corresponds to when a task stops executing and terminates. +*/ +void SEGGER_SYSVIEW_OnTaskStopExec(void) { + U8* pPayloadStart; + RECORD_START(SEGGER_SYSVIEW_INFO_SIZE); + // + _SendPacket(pPayloadStart, pPayloadStart, SYSVIEW_EVTID_TASK_STOP_EXEC); + RECORD_END(); +} + +/********************************************************************* +* +* SEGGER_SYSVIEW_OnTaskStartReady() +* +* Function description +* Record a Task Start Ready event. +* +* Parameters +* TaskId - Task ID of task that started to execute. +*/ +void SEGGER_SYSVIEW_OnTaskStartReady(unsigned TaskId) { + U8* pPayload; + U8* pPayloadStart; + RECORD_START(SEGGER_SYSVIEW_INFO_SIZE + SEGGER_SYSVIEW_QUANTA_U32); + // + pPayload = pPayloadStart; + TaskId = SHRINK_ID(TaskId); + ENCODE_U32(pPayload, TaskId); + _SendPacket(pPayloadStart, pPayload, SYSVIEW_EVTID_TASK_START_READY); + RECORD_END(); +} + +/********************************************************************* +* +* SEGGER_SYSVIEW_OnTaskStopReady() +* +* Function description +* Record a Task Stop Ready event. +* +* Parameters +* TaskId - Task ID of task that completed execution. +* Cause - Reason for task to stop (i.e. Idle/Sleep) +*/ +void SEGGER_SYSVIEW_OnTaskStopReady(unsigned TaskId, unsigned Cause) { + U8* pPayload; + U8* pPayloadStart; + RECORD_START(SEGGER_SYSVIEW_INFO_SIZE + 2 * SEGGER_SYSVIEW_QUANTA_U32); + // + pPayload = pPayloadStart; + TaskId = SHRINK_ID(TaskId); + ENCODE_U32(pPayload, TaskId); + ENCODE_U32(pPayload, Cause); + _SendPacket(pPayloadStart, pPayload, SYSVIEW_EVTID_TASK_STOP_READY); + RECORD_END(); +} + +/********************************************************************* +* +* SEGGER_SYSVIEW_OnUserStart() +* +* Function description +* Send a user event start, such as start of a subroutine for profiling. +* +* Parameters +* UserId - User defined ID for the event. +*/ +void SEGGER_SYSVIEW_OnUserStart(unsigned UserId) { + U8* pPayload; + U8* pPayloadStart; + RECORD_START(SEGGER_SYSVIEW_INFO_SIZE + SEGGER_SYSVIEW_QUANTA_U32); + // + pPayload = pPayloadStart; + ENCODE_U32(pPayload, UserId); + _SendPacket(pPayloadStart, pPayload, SYSVIEW_EVTID_USER_START); + RECORD_END(); +} + +/********************************************************************* +* +* SEGGER_SYSVIEW_OnUserStop() +* +* Function description +* Send a user event stop, such as return of a subroutine for profiling. +* +* Parameters +* UserId - User defined ID for the event. +*/ +void SEGGER_SYSVIEW_OnUserStop(unsigned UserId) { + U8 * pPayload; + U8 * pPayloadStart; + RECORD_START(SEGGER_SYSVIEW_INFO_SIZE + SEGGER_SYSVIEW_QUANTA_U32); + // + pPayload = pPayloadStart; + ENCODE_U32(pPayload, UserId); + _SendPacket(pPayloadStart, pPayload, SYSVIEW_EVTID_USER_STOP); + RECORD_END(); +} + +/********************************************************************* +* +* SEGGER_SYSVIEW_NameResource() +* +* Function description +* Send the name of a resource to be displayed in SystemViewer. +* +* Parameters +* ResourceId - Id of the resource to be named. i.e. its address. +* sName - Pointer to the resource name. (Max. SEGGER_SYSVIEW_MAX_STRING_LEN Bytes) +*/ +void SEGGER_SYSVIEW_NameResource(U32 ResourceId, const char* sName) { + U8* pPayload; + U8* pPayloadStart; + RECORD_START(SEGGER_SYSVIEW_INFO_SIZE + SEGGER_SYSVIEW_QUANTA_U32 + 1 + SEGGER_SYSVIEW_MAX_STRING_LEN); + // + pPayload = pPayloadStart; + ENCODE_U32(pPayload, SHRINK_ID(ResourceId)); + pPayload = _EncodeStr(pPayload, sName, SEGGER_SYSVIEW_MAX_STRING_LEN); + _SendPacket(pPayloadStart, pPayload, SYSVIEW_EVTID_NAME_RESOURCE); + RECORD_END(); +} + +/********************************************************************* +* +* SEGGER_SYSVIEW_SendPacket() +* +* Function description +* Send an event packet. +* +* Parameters +* pPacket - Pointer to the start of the packet. +* pPayloadEnd - Pointer to the end of the payload. +* Make sure there are at least 5 bytes free after the payload. +* EventId - Id of the event packet. +* +* Return value +* !=0: Success, Message sent. +* ==0: Buffer full, Message *NOT* sent. +*/ +int SEGGER_SYSVIEW_SendPacket(U8* pPacket, U8* pPayloadEnd, unsigned EventId) { +#if (SEGGER_SYSVIEW_USE_STATIC_BUFFER == 1) + SEGGER_SYSVIEW_LOCK(); +#endif + _SendPacket(pPacket + 4, pPayloadEnd, EventId); +#if (SEGGER_SYSVIEW_USE_STATIC_BUFFER == 1) + SEGGER_SYSVIEW_UNLOCK(); +#endif + return 0; +} + +/********************************************************************* +* +* SEGGER_SYSVIEW_EncodeU32() +* +* Function description +* Encode a U32 in variable-length format. +* +* Parameters +* pPayload - Pointer to where U32 will be encoded. +* Value - The 32-bit value to be encoded. +* +* Return value +* Pointer to the byte following the value, i.e. the first free +* byte in the payload and the next position to store payload +* content. +*/ +U8* SEGGER_SYSVIEW_EncodeU32(U8* pPayload, unsigned Value) { + ENCODE_U32(pPayload, Value); + return pPayload; +} + +/********************************************************************* +* +* SEGGER_SYSVIEW_EncodeString() +* +* Function description +* Encode a string in variable-length format. +* +* Parameters +* pPayload - Pointer to where string will be encoded. +* s - String to encode. +* MaxLen - Maximum number of characters to encode from string. +* +* Return value +* Pointer to the byte following the value, i.e. the first free +* byte in the payload and the next position to store payload +* content. +* +* Additional information +* The string is encoded as a count byte followed by the contents +* of the string. +* No more than 1 + MaxLen bytes will be encoded to the payload. +*/ +U8* SEGGER_SYSVIEW_EncodeString(U8* pPayload, const char* s, unsigned MaxLen) { + return _EncodeStr(pPayload, s, MaxLen); +} + +/********************************************************************* +* +* SEGGER_SYSVIEW_EncodeData() +* +* Function description +* Encode a byte buffer in variable-length format. +* +* Parameters +* pPayload - Pointer to where string will be encoded. +* pSrc - Pointer to data buffer to be encoded. +* NumBytes - Number of bytes in the buffer to be encoded. +* +* Return value +* Pointer to the byte following the value, i.e. the first free +* byte in the payload and the next position to store payload +* content. +* +* Additional information +* The data is encoded as a count byte followed by the contents +* of the data buffer. +* Make sure NumBytes + 1 bytes are free for the payload. +*/ +U8* SEGGER_SYSVIEW_EncodeData(U8 *pPayload, const char* pSrc, unsigned NumBytes) { + return _EncodeData(pPayload, pSrc, NumBytes); +} + +/********************************************************************* +* +* SEGGER_SYSVIEW_EncodeId() +* +* Function description +* Encode a 32-bit Id in shrunken variable-length format. +* +* Parameters +* pPayload - Pointer to where the Id will be encoded. +* Id - The 32-bit value to be encoded. +* +* Return value +* Pointer to the byte following the value, i.e. the first free +* byte in the payload and the next position to store payload +* content. +* +* Additional information +* The parameters to shrink an Id can be configured in +* SEGGER_SYSVIEW_Conf.h and via SEGGER_SYSVIEW_SetRAMBase(). +* SEGGER_SYSVIEW_ID_BASE: Lowest Id reported by the application. +* (i.e. 0x20000000 when all Ids are an address in this RAM) +* SEGGER_SYSVIEW_ID_SHIFT: Number of bits to shift the Id to +* save bandwidth. (i.e. 2 when Ids are 4 byte aligned) +*/ +U8* SEGGER_SYSVIEW_EncodeId(U8* pPayload, unsigned Id) { + Id = SHRINK_ID(Id); + ENCODE_U32(pPayload, Id); + return pPayload; +} + +/********************************************************************* +* +* SEGGER_SYSVIEW_ShrinkId() +* +* Function description +* Get the shrunken value of an Id for further processing like in +* SEGGER_SYSVIEW_NameResource(). +* +* Parameters +* Id - The 32-bit value to be shrunken. +* +* Return value +* Shrunken Id. +* +* Additional information +* The parameters to shrink an Id can be configured in +* SEGGER_SYSVIEW_Conf.h and via SEGGER_SYSVIEW_SetRAMBase(). +* SEGGER_SYSVIEW_ID_BASE: Lowest Id reported by the application. +* (i.e. 0x20000000 when all Ids are an address in this RAM) +* SEGGER_SYSVIEW_ID_SHIFT: Number of bits to shift the Id to +* save bandwidth. (i.e. 2 when Ids are 4 byte aligned) +*/ +U32 SEGGER_SYSVIEW_ShrinkId(U32 Id) { + return SHRINK_ID(Id); +} + +/********************************************************************* +* +* SEGGER_SYSVIEW_RegisterModule() +* +* Function description +* Register a middleware module for recording its events. +* +* Parameters +* pModule - The middleware module information. +* +* Additional information +* SEGGER_SYSVIEW_MODULE elements: +* sDescription - Pointer to a string containing the module name and optionally the module event description. +* NumEvents - Number of events the module wants to register. +* EventOffset - Offset to be added to the event Ids. Out parameter, set by this function. Do not modify after calling this function. +* pfSendModuleDesc - Callback function pointer to send more detailed module description to SystemViewer. +* pNext - Pointer to next registered module. Out parameter, set by this function. Do not modify after calling this function. +*/ +void SEGGER_SYSVIEW_RegisterModule(SEGGER_SYSVIEW_MODULE* pModule) { + SEGGER_SYSVIEW_LOCK(); + if (_pFirstModule == 0) { + // + // No module registered, yet. + // Start list with new module. + // EventOffset is the base offset for modules + // + pModule->EventOffset = MODULE_EVENT_OFFSET; + pModule->pNext = 0; + _pFirstModule = pModule; + _NumModules = 1; + } else { + // + // Registreded module(s) present. + // Prepend new module in list. + // EventOffset set from number of events and offset of previous module. + // + pModule->EventOffset = _pFirstModule->EventOffset + _pFirstModule->NumEvents; + pModule->pNext = _pFirstModule; + _pFirstModule = pModule; + _NumModules++; + } + SEGGER_SYSVIEW_SendModule(0); + if (pModule->pfSendModuleDesc) { + pModule->pfSendModuleDesc(); + } + SEGGER_SYSVIEW_UNLOCK(); +} + +/********************************************************************* +* +* SEGGER_SYSVIEW_RecordModuleDescription() +* +* Function description +* Sends detailed information of a registered module to the host. +* +* Parameters +* pModule - Pointer to the described module. +* sDescription - Pointer to a description string. +*/ +void SEGGER_SYSVIEW_RecordModuleDescription(const SEGGER_SYSVIEW_MODULE* pModule, const char* sDescription) { + U8 ModuleId; + SEGGER_SYSVIEW_MODULE* p; + + p = _pFirstModule; + ModuleId = 0; + do { + if (p == pModule) { + break; + } + ModuleId++; + p = p->pNext; + } while (p); + { + U8* pPayload; + U8* pPayloadStart; + RECORD_START(SEGGER_SYSVIEW_INFO_SIZE + 2 * SEGGER_SYSVIEW_QUANTA_U32 + 1 + SEGGER_SYSVIEW_MAX_STRING_LEN); + // + pPayload = pPayloadStart; + // + // Send module description + // Send event offset and number of events + // + ENCODE_U32(pPayload, ModuleId); + ENCODE_U32(pPayload, (pModule->EventOffset)); + pPayload = _EncodeStr(pPayload, sDescription, SEGGER_SYSVIEW_MAX_STRING_LEN); + _SendPacket(pPayloadStart, pPayload, SYSVIEW_EVTID_MODULEDESC); + RECORD_END(); + } +} + +/********************************************************************* +* +* SEGGER_SYSVIEW_SendModule() +* +* Function description +* Sends the information of a registered module to the host. +* +* Parameters +* ModuleId - Id of the requested module. +*/ +void SEGGER_SYSVIEW_SendModule(U8 ModuleId) { + SEGGER_SYSVIEW_MODULE* pModule; + U32 n; + + if (_pFirstModule != 0) { + pModule = _pFirstModule; + for (n = 0; n < ModuleId; n++) { + pModule = pModule->pNext; + if (pModule == 0) { + break; + } + } + if (pModule != 0) { + U8* pPayload; + U8* pPayloadStart; + RECORD_START(SEGGER_SYSVIEW_INFO_SIZE + 2 * SEGGER_SYSVIEW_QUANTA_U32 + 1 + SEGGER_SYSVIEW_MAX_STRING_LEN); + // + pPayload = pPayloadStart; + // + // Send module description + // Send event offset and number of events + // + ENCODE_U32(pPayload, ModuleId); + ENCODE_U32(pPayload, (pModule->EventOffset)); + pPayload = _EncodeStr(pPayload, pModule->sModule, SEGGER_SYSVIEW_MAX_STRING_LEN); + _SendPacket(pPayloadStart, pPayload, SYSVIEW_EVTID_MODULEDESC); + RECORD_END(); + } + } +} + +/********************************************************************* +* +* SEGGER_SYSVIEW_SendModuleDescription() +* +* Function description +* Triggers a send of the registered module descriptions. +* +*/ +void SEGGER_SYSVIEW_SendModuleDescription(void) { + SEGGER_SYSVIEW_MODULE* pModule; + + if (_pFirstModule != 0) { + pModule = _pFirstModule; + do { + if (pModule->pfSendModuleDesc) { + pModule->pfSendModuleDesc(); + } + pModule = pModule->pNext; + } while (pModule); + } +} + +/********************************************************************* +* +* SEGGER_SYSVIEW_SendNumModules() +* +* Function description +* Send the number of registered modules to the host. +*/ +void SEGGER_SYSVIEW_SendNumModules(void) { + U8* pPayload; + U8* pPayloadStart; + RECORD_START(SEGGER_SYSVIEW_INFO_SIZE + 2*SEGGER_SYSVIEW_QUANTA_U32); + pPayload = pPayloadStart; + ENCODE_U32(pPayload, _NumModules); + _SendPacket(pPayloadStart, pPayload, SYSVIEW_EVTID_NUMMODULES); + RECORD_END(); +} + +#ifndef SEGGER_SYSVIEW_EXCLUDE_PRINTF // Define in project to avoid warnings about variable parameter list + +/********************************************************************* +* +* SEGGER_SYSVIEW_PrintfHostEx() +* +* Function description +* Print a string which is formatted on the host by SystemViewer +* with Additional information. +* +* Parameters +* s - String to be formatted. +* Options - Options for the string. i.e. Log level. +* +* Additional information +* All format arguments are treated as 32-bit scalar values. +*/ +void SEGGER_SYSVIEW_PrintfHostEx(const char* s, U32 Options, ...) { + va_list ParamList; + + va_start(ParamList, Options); + _VPrintHost(s, Options, &ParamList); + va_end(ParamList); +} + +/********************************************************************* +* +* SEGGER_SYSVIEW_PrintfHost() +* +* Function description +* Print a string which is formatted on the host by SystemViewer. +* +* Parameters +* s - String to be formatted. +* +* Additional information +* All format arguments are treated as 32-bit scalar values. +*/ +void SEGGER_SYSVIEW_PrintfHost(const char* s, ...) { + va_list ParamList; + + va_start(ParamList, s); + _VPrintHost(s, SEGGER_SYSVIEW_LOG, &ParamList); + va_end(ParamList); +} + +/********************************************************************* +* +* SEGGER_SYSVIEW_WarnfHost() +* +* Function description +* Print a warnin string which is formatted on the host by +* SystemViewer. +* +* Parameters +* s - String to be formatted. +* +* Additional information +* All format arguments are treated as 32-bit scalar values. +*/ +void SEGGER_SYSVIEW_WarnfHost(const char* s, ...) { + va_list ParamList; + + va_start(ParamList, s); + _VPrintHost(s, SEGGER_SYSVIEW_WARNING, &ParamList); + va_end(ParamList); +} + +/********************************************************************* +* +* SEGGER_SYSVIEW_ErrorfHost() +* +* Function description +* Print an error string which is formatted on the host by +* SystemViewer. +* +* Parameters +* s - String to be formatted. +* +* Additional information +* All format arguments are treated as 32-bit scalar values. +*/ +void SEGGER_SYSVIEW_ErrorfHost(const char* s, ...) { + va_list ParamList; + + va_start(ParamList, s); + _VPrintHost(s, SEGGER_SYSVIEW_ERROR, &ParamList); + va_end(ParamList); +} + +/********************************************************************* +* +* SEGGER_SYSVIEW_PrintfTargetEx() +* +* Function description +* Print a string which is formatted on the target before sent to +* the host with Additional information. +* +* Parameters +* s - String to be formatted. +* Options - Options for the string. i.e. Log level. +*/ +void SEGGER_SYSVIEW_PrintfTargetEx(const char* s, U32 Options, ...) { + va_list ParamList; + + va_start(ParamList, Options); + _VPrintTarget(s, Options, &ParamList); + va_end(ParamList); +} + +/********************************************************************* +* +* SEGGER_SYSVIEW_PrintfTarget() +* +* Function description +* Print a string which is formatted on the target before sent to +* the host. +* +* Parameters +* s - String to be formatted. +*/ +void SEGGER_SYSVIEW_PrintfTarget(const char* s, ...) { + va_list ParamList; + + va_start(ParamList, s); + _VPrintTarget(s, SEGGER_SYSVIEW_LOG, &ParamList); + va_end(ParamList); +} + +/********************************************************************* +* +* SEGGER_SYSVIEW_WarnfTarget() +* +* Function description +* Print a warning string which is formatted on the target before +* sent to the host. +* +* Parameters +* s - String to be formatted. +*/ +void SEGGER_SYSVIEW_WarnfTarget(const char* s, ...) { + va_list ParamList; + + va_start(ParamList, s); + _VPrintTarget(s, SEGGER_SYSVIEW_WARNING, &ParamList); + va_end(ParamList); +} + +/********************************************************************* +* +* SEGGER_SYSVIEW_ErrorfTarget() +* +* Function description +* Print an error string which is formatted on the target before +* sent to the host. +* +* Parameters +* s - String to be formatted. +*/ +void SEGGER_SYSVIEW_ErrorfTarget(const char* s, ...) { + va_list ParamList; + + va_start(ParamList, s); + _VPrintTarget(s, SEGGER_SYSVIEW_ERROR, &ParamList); + va_end(ParamList); +} +#endif // SEGGER_SYSVIEW_EXCLUDE_PRINTF + +/********************************************************************* +* +* SEGGER_SYSVIEW_Print() +* +* Function description +* Print a string to the host. +* +* Parameters +* s - String to sent. +*/ +void SEGGER_SYSVIEW_Print(const char* s) { + U8* pPayload; + U8* pPayloadStart; + RECORD_START(SEGGER_SYSVIEW_INFO_SIZE + 2 * SEGGER_SYSVIEW_QUANTA_U32 + SEGGER_SYSVIEW_MAX_STRING_LEN); + // + pPayload = _EncodeStr(pPayloadStart, s, SEGGER_SYSVIEW_MAX_STRING_LEN); + ENCODE_U32(pPayload, SEGGER_SYSVIEW_LOG); + ENCODE_U32(pPayload, 0); + _SendPacket(pPayloadStart, pPayload, SYSVIEW_EVTID_PRINT_FORMATTED); + RECORD_END(); +} + +/********************************************************************* +* +* SEGGER_SYSVIEW_Warn() +* +* Function description +* Print a warning string to the host. +* +* Parameters +* s - String to sent. +*/ +void SEGGER_SYSVIEW_Warn(const char* s) { + U8* pPayload; + U8* pPayloadStart; + RECORD_START(SEGGER_SYSVIEW_INFO_SIZE + 2 * SEGGER_SYSVIEW_QUANTA_U32 + SEGGER_SYSVIEW_MAX_STRING_LEN); + // + pPayload = _EncodeStr(pPayloadStart, s, SEGGER_SYSVIEW_MAX_STRING_LEN); + ENCODE_U32(pPayload, SEGGER_SYSVIEW_WARNING); + ENCODE_U32(pPayload, 0); + _SendPacket(pPayloadStart, pPayload, SYSVIEW_EVTID_PRINT_FORMATTED); + RECORD_END(); +} + +/********************************************************************* +* +* SEGGER_SYSVIEW_Error() +* +* Function description +* Print an error string to the host. +* +* Parameters +* s - String to sent. +*/ +void SEGGER_SYSVIEW_Error(const char* s) { + U8* pPayload; + U8* pPayloadStart; + RECORD_START(SEGGER_SYSVIEW_INFO_SIZE + 2 * SEGGER_SYSVIEW_QUANTA_U32 + SEGGER_SYSVIEW_MAX_STRING_LEN); + // + pPayload = _EncodeStr(pPayloadStart, s, SEGGER_SYSVIEW_MAX_STRING_LEN); + ENCODE_U32(pPayload, SEGGER_SYSVIEW_ERROR); + ENCODE_U32(pPayload, 0); + _SendPacket(pPayloadStart, pPayload, SYSVIEW_EVTID_PRINT_FORMATTED); + RECORD_END(); +} + +/********************************************************************* +* +* SEGGER_SYSVIEW_EnableEvents() +* +* Function description +* Enable standard SystemView events to be generated. +* +* Parameters +* EnableMask - Events to be enabled. +*/ +void SEGGER_SYSVIEW_EnableEvents(U32 EnableMask) { + _SYSVIEW_Globals.DisabledEvents &= ~EnableMask; +} + +/********************************************************************* +* +* SEGGER_SYSVIEW_DisableEvents() +* +* Function description +* Disable standard SystemView events to not be generated. +* +* Parameters +* DisableMask - Events to be disabled. +*/ +void SEGGER_SYSVIEW_DisableEvents(U32 DisableMask) { + _SYSVIEW_Globals.DisabledEvents |= DisableMask; +} + + +/*************************** End of file ****************************/ diff --git a/components/trace/SystemView_Src_V240/SEGGER/SEGGER_SYSVIEW.h b/components/trace/SystemView_Src_V240/SEGGER/SEGGER_SYSVIEW.h new file mode 100644 index 000000000..33f1b0ac3 --- /dev/null +++ b/components/trace/SystemView_Src_V240/SEGGER/SEGGER_SYSVIEW.h @@ -0,0 +1,325 @@ +/********************************************************************* +* SEGGER MICROCONTROLLER GmbH & Co. KG * +* Solutions for real time microcontroller applications * +********************************************************************** +* * +* (c) 2015 - 2016 SEGGER Microcontroller GmbH & Co. KG * +* * +* www.segger.com Support: support@segger.com * +* * +********************************************************************** +* * +* SEGGER SystemView * Real-time application analysis * +* * +********************************************************************** +* * +* All rights reserved. * +* * +* * This software may in its unmodified form be freely redistributed * +* in source form. * +* * The source code may be modified, provided the source code * +* retains the above copyright notice, this list of conditions and * +* the following disclaimer. * +* * Modified versions of this software in source or linkable form * +* may not be distributed without prior consent of SEGGER. * +* * +* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS "AS IS" AND * +* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, * +* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A * +* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL * +* SEGGER Microcontroller BE LIABLE FOR ANY DIRECT, INDIRECT, * +* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES * +* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * +* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * +* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, * +* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING * +* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS * +* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * +* * +********************************************************************** +* * +* SystemView version: V2.40 * +* * +********************************************************************** +-------------------------- END-OF-HEADER ----------------------------- +File : SEGGER_SYSVIEW.h +Purpose : System visualization API. +Revision: $Rev: 3807 $ +*/ + +#ifndef SEGGER_SYSVIEW_H +#define SEGGER_SYSVIEW_H + +/********************************************************************* +* +* #include Section +* +********************************************************************** +*/ + +#include "SEGGER.h" +#ifdef __cplusplus +extern "C" { +#endif + + +/********************************************************************* +* +* Defines, fixed +* +********************************************************************** +*/ + +#define SEGGER_SYSVIEW_VERSION 21000 + +#define SEGGER_SYSVIEW_INFO_SIZE 9 // Minimum size, which has to be reserved for a packet. 1-2 byte of message type, 0-2 byte of payload length, 1-5 bytes of timestamp. +#define SEGGER_SYSVIEW_QUANTA_U32 5 // Maximum number of bytes to encode a U32, should be reserved for each 32-bit value in a packet. + +#define SEGGER_SYSVIEW_LOG (0u) +#define SEGGER_SYSVIEW_WARNING (1u) +#define SEGGER_SYSVIEW_ERROR (2u) +#define SEGGER_SYSVIEW_FLAG_APPEND (1u << 6) + +#define SEGGER_SYSVIEW_PREPARE_PACKET(p) (p) + 4 +// +// SystemView events. First 32 IDs from 0 .. 31 are reserved for these +// +#define SYSVIEW_EVTID_NOP 0 // Dummy packet. +#define SYSVIEW_EVTID_OVERFLOW 1 +#define SYSVIEW_EVTID_ISR_ENTER 2 +#define SYSVIEW_EVTID_ISR_EXIT 3 +#define SYSVIEW_EVTID_TASK_START_EXEC 4 +#define SYSVIEW_EVTID_TASK_STOP_EXEC 5 +#define SYSVIEW_EVTID_TASK_START_READY 6 +#define SYSVIEW_EVTID_TASK_STOP_READY 7 +#define SYSVIEW_EVTID_TASK_CREATE 8 +#define SYSVIEW_EVTID_TASK_INFO 9 +#define SYSVIEW_EVTID_TRACE_START 10 +#define SYSVIEW_EVTID_TRACE_STOP 11 +#define SYSVIEW_EVTID_SYSTIME_CYCLES 12 +#define SYSVIEW_EVTID_SYSTIME_US 13 +#define SYSVIEW_EVTID_SYSDESC 14 +#define SYSVIEW_EVTID_USER_START 15 +#define SYSVIEW_EVTID_USER_STOP 16 +#define SYSVIEW_EVTID_IDLE 17 +#define SYSVIEW_EVTID_ISR_TO_SCHEDULER 18 +#define SYSVIEW_EVTID_TIMER_ENTER 19 +#define SYSVIEW_EVTID_TIMER_EXIT 20 +#define SYSVIEW_EVTID_STACK_INFO 21 +#define SYSVIEW_EVTID_MODULEDESC 22 + +#define SYSVIEW_EVTID_INIT 24 +#define SYSVIEW_EVTID_NAME_RESOURCE 25 +#define SYSVIEW_EVTID_PRINT_FORMATTED 26 +#define SYSVIEW_EVTID_NUMMODULES 27 +#define SYSVIEW_EVTID_END_CALL 28 +#define SYSVIEW_EVTID_TASK_TERMINATE 29 + +#define SYSVIEW_EVTID_EX 31 +// +// Event masks to disable/enable events +// +#define SYSVIEW_EVTMASK_NOP (1 << SYSVIEW_EVTID_NOP) +#define SYSVIEW_EVTMASK_OVERFLOW (1 << SYSVIEW_EVTID_OVERFLOW) +#define SYSVIEW_EVTMASK_ISR_ENTER (1 << SYSVIEW_EVTID_ISR_ENTER) +#define SYSVIEW_EVTMASK_ISR_EXIT (1 << SYSVIEW_EVTID_ISR_EXIT) +#define SYSVIEW_EVTMASK_TASK_START_EXEC (1 << SYSVIEW_EVTID_TASK_START_EXEC) +#define SYSVIEW_EVTMASK_TASK_STOP_EXEC (1 << SYSVIEW_EVTID_TASK_STOP_EXEC) +#define SYSVIEW_EVTMASK_TASK_START_READY (1 << SYSVIEW_EVTID_TASK_START_READY) +#define SYSVIEW_EVTMASK_TASK_STOP_READY (1 << SYSVIEW_EVTID_TASK_STOP_READY) +#define SYSVIEW_EVTMASK_TASK_CREATE (1 << SYSVIEW_EVTID_TASK_CREATE) +#define SYSVIEW_EVTMASK_TASK_INFO (1 << SYSVIEW_EVTID_TASK_INFO) +#define SYSVIEW_EVTMASK_TRACE_START (1 << SYSVIEW_EVTID_TRACE_START) +#define SYSVIEW_EVTMASK_TRACE_STOP (1 << SYSVIEW_EVTID_TRACE_STOP) +#define SYSVIEW_EVTMASK_SYSTIME_CYCLES (1 << SYSVIEW_EVTID_SYSTIME_CYCLES) +#define SYSVIEW_EVTMASK_SYSTIME_US (1 << SYSVIEW_EVTID_SYSTIME_US) +#define SYSVIEW_EVTMASK_SYSDESC (1 << SYSVIEW_EVTID_SYSDESC) +#define SYSVIEW_EVTMASK_USER_START (1 << SYSVIEW_EVTID_USER_START) +#define SYSVIEW_EVTMASK_USER_STOP (1 << SYSVIEW_EVTID_USER_STOP) +#define SYSVIEW_EVTMASK_IDLE (1 << SYSVIEW_EVTID_IDLE) +#define SYSVIEW_EVTMASK_ISR_TO_SCHEDULER (1 << SYSVIEW_EVTID_ISR_TO_SCHEDULER) +#define SYSVIEW_EVTMASK_TIMER_ENTER (1 << SYSVIEW_EVTID_TIMER_ENTER) +#define SYSVIEW_EVTMASK_TIMER_EXIT (1 << SYSVIEW_EVTID_TIMER_EXIT) +#define SYSVIEW_EVTMASK_STACK_INFO (1 << SYSVIEW_EVTID_STACK_INFO) +#define SYSVIEW_EVTMASK_MODULEDESC (1 << SYSVIEW_EVTID_MODULEDESC) + +#define SYSVIEW_EVTMASK_INIT (1 << SYSVIEW_EVTID_INIT) +#define SYSVIEW_EVTMASK_NAME_RESOURCE (1 << SYSVIEW_EVTID_NAME_RESOURCE) +#define SYSVIEW_EVTMASK_PRINT_FORMATTED (1 << SYSVIEW_EVTID_PRINT_FORMATTED) +#define SYSVIEW_EVTMASK_NUMMODULES (1 << SYSVIEW_EVTID_NUMMODULES) +#define SYSVIEW_EVTMASK_END_CALL (1 << SYSVIEW_EVTID_END_CALL) +#define SYSVIEW_EVTMASK_TASK_TERMINATE (1 << SYSVIEW_EVTID_TASK_TERMINATE) + +#define SYSVIEW_EVTMASK_EX (1 << SYSVIEW_EVTID_EX) + +#define SYSVIEW_EVTMASK_ALL_INTERRUPTS ( SYSVIEW_EVTMASK_ISR_ENTER \ + | SYSVIEW_EVTMASK_ISR_EXIT \ + | SYSVIEW_EVTMASK_ISR_TO_SCHEDULER) +#define SYSVIEW_EVTMASK_ALL_TASKS ( SYSVIEW_EVTMASK_TASK_START_EXEC \ + | SYSVIEW_EVTMASK_TASK_STOP_EXEC \ + | SYSVIEW_EVTMASK_TASK_START_READY \ + | SYSVIEW_EVTMASK_TASK_STOP_READY \ + | SYSVIEW_EVTMASK_TASK_CREATE \ + | SYSVIEW_EVTMASK_TASK_INFO \ + | SYSVIEW_EVTMASK_STACK_INFO \ + | SYSVIEW_EVTMASK_TASK_TERMINATE) + +/********************************************************************* +* +* Structures +* +********************************************************************** +*/ + +typedef struct { + U32 TaskID; + const char* sName; + U32 Prio; + U32 StackBase; + U32 StackSize; +} SEGGER_SYSVIEW_TASKINFO; + +typedef struct SEGGER_SYSVIEW_MODULE_STRUCT SEGGER_SYSVIEW_MODULE; + +struct SEGGER_SYSVIEW_MODULE_STRUCT { + const char* sModule; + U32 NumEvents; + U32 EventOffset; + void (*pfSendModuleDesc)(void); + SEGGER_SYSVIEW_MODULE* pNext; +}; + +typedef void (SEGGER_SYSVIEW_SEND_SYS_DESC_FUNC)(void); + +/********************************************************************* +* +* API functions +* +********************************************************************** +*/ +#ifndef U64 + #ifdef _WIN32 + #define U64 unsigned __int64 + #else + #define U64 unsigned long long + #endif +#endif +typedef struct { + U64 (*pfGetTime) (void); + void (*pfSendTaskList) (void); +} SEGGER_SYSVIEW_OS_API; + +/********************************************************************* +* +* Control and initialization functions +*/ +void SEGGER_SYSVIEW_Init (U32 SysFreq, U32 CPUFreq, const SEGGER_SYSVIEW_OS_API *pOSAPI, SEGGER_SYSVIEW_SEND_SYS_DESC_FUNC pfSendSysDesc); +void SEGGER_SYSVIEW_SetRAMBase (U32 RAMBaseAddress); +void SEGGER_SYSVIEW_Start (void); +void SEGGER_SYSVIEW_Stop (void); +void SEGGER_SYSVIEW_GetSysDesc (void); +void SEGGER_SYSVIEW_SendTaskList (void); +void SEGGER_SYSVIEW_SendTaskInfo (const SEGGER_SYSVIEW_TASKINFO* pInfo); +void SEGGER_SYSVIEW_SendSysDesc (const char* sSysDesc); + +/********************************************************************* +* +* Event recording functions +*/ +void SEGGER_SYSVIEW_RecordVoid (unsigned EventId); +void SEGGER_SYSVIEW_RecordU32 (unsigned EventId, U32 Para0); +void SEGGER_SYSVIEW_RecordU32x2 (unsigned EventId, U32 Para0, U32 Para1); +void SEGGER_SYSVIEW_RecordU32x3 (unsigned EventId, U32 Para0, U32 Para1, U32 Para2); +void SEGGER_SYSVIEW_RecordU32x4 (unsigned EventId, U32 Para0, U32 Para1, U32 Para2, U32 Para3); +void SEGGER_SYSVIEW_RecordU32x5 (unsigned EventId, U32 Para0, U32 Para1, U32 Para2, U32 Para3, U32 Para4); +void SEGGER_SYSVIEW_RecordU32x6 (unsigned EventId, U32 Para0, U32 Para1, U32 Para2, U32 Para3, U32 Para4, U32 Para5); +void SEGGER_SYSVIEW_RecordU32x7 (unsigned EventId, U32 Para0, U32 Para1, U32 Para2, U32 Para3, U32 Para4, U32 Para5, U32 Para6); +void SEGGER_SYSVIEW_RecordU32x8 (unsigned EventId, U32 Para0, U32 Para1, U32 Para2, U32 Para3, U32 Para4, U32 Para5, U32 Para6, U32 Para7); +void SEGGER_SYSVIEW_RecordU32x9 (unsigned EventId, U32 Para0, U32 Para1, U32 Para2, U32 Para3, U32 Para4, U32 Para5, U32 Para6, U32 Para7, U32 Para8); +void SEGGER_SYSVIEW_RecordU32x10 (unsigned EventId, U32 Para0, U32 Para1, U32 Para2, U32 Para3, U32 Para4, U32 Para5, U32 Para6, U32 Para7, U32 Para8, U32 Para9); +void SEGGER_SYSVIEW_RecordString (unsigned EventId, const char* pString); +void SEGGER_SYSVIEW_RecordSystime (void); +void SEGGER_SYSVIEW_RecordEnterISR (void); +void SEGGER_SYSVIEW_RecordExitISR (void); +void SEGGER_SYSVIEW_RecordExitISRToScheduler (void); +void SEGGER_SYSVIEW_RecordEnterTimer (U32 TimerId); +void SEGGER_SYSVIEW_RecordExitTimer (void); +void SEGGER_SYSVIEW_RecordEndCall (unsigned EventID); +void SEGGER_SYSVIEW_RecordEndCallU32 (unsigned EventID, U32 Para0); + +void SEGGER_SYSVIEW_OnIdle (void); +void SEGGER_SYSVIEW_OnTaskCreate (unsigned TaskId); +void SEGGER_SYSVIEW_OnTaskTerminate (unsigned TaskId); +void SEGGER_SYSVIEW_OnTaskStartExec (unsigned TaskId); +void SEGGER_SYSVIEW_OnTaskStopExec (void); +void SEGGER_SYSVIEW_OnTaskStartReady (unsigned TaskId); +void SEGGER_SYSVIEW_OnTaskStopReady (unsigned TaskId, unsigned Cause); +void SEGGER_SYSVIEW_OnUserStart (unsigned UserId); // Start of user defined event (such as a subroutine to profile) +void SEGGER_SYSVIEW_OnUserStop (unsigned UserId); // Start of user defined event + +void SEGGER_SYSVIEW_NameResource (U32 ResourceId, const char* sName); + +int SEGGER_SYSVIEW_SendPacket (U8* pPacket, U8* pPayloadEnd, unsigned EventId); + +/********************************************************************* +* +* Event parameter encoding functions +*/ +U8* SEGGER_SYSVIEW_EncodeU32 (U8* pPayload, unsigned Value); +U8* SEGGER_SYSVIEW_EncodeData (U8* pPayload, const char* pSrc, unsigned Len); +U8* SEGGER_SYSVIEW_EncodeString (U8* pPayload, const char* s, unsigned MaxLen); +U8* SEGGER_SYSVIEW_EncodeId (U8* pPayload, unsigned Id); +U32 SEGGER_SYSVIEW_ShrinkId (U32 Id); + + +/********************************************************************* +* +* Middleware module registration +*/ +void SEGGER_SYSVIEW_RegisterModule (SEGGER_SYSVIEW_MODULE* pModule); +void SEGGER_SYSVIEW_RecordModuleDescription (const SEGGER_SYSVIEW_MODULE* pModule, const char* sDescription); +void SEGGER_SYSVIEW_SendModule (U8 ModuleId); +void SEGGER_SYSVIEW_SendModuleDescription (void); +void SEGGER_SYSVIEW_SendNumModules (void); + +/********************************************************************* +* +* printf-Style functions +*/ +#ifndef SEGGER_SYSVIEW_EXCLUDE_PRINTF // Define in project to avoid warnings about variable parameter list +void SEGGER_SYSVIEW_PrintfHostEx (const char* s, U32 Options, ...); +void SEGGER_SYSVIEW_PrintfTargetEx (const char* s, U32 Options, ...); +void SEGGER_SYSVIEW_PrintfHost (const char* s, ...); +void SEGGER_SYSVIEW_PrintfTarget (const char* s, ...); +void SEGGER_SYSVIEW_WarnfHost (const char* s, ...); +void SEGGER_SYSVIEW_WarnfTarget (const char* s, ...); +void SEGGER_SYSVIEW_ErrorfHost (const char* s, ...); +void SEGGER_SYSVIEW_ErrorfTarget (const char* s, ...); +#endif + +void SEGGER_SYSVIEW_Print (const char* s); +void SEGGER_SYSVIEW_Warn (const char* s); +void SEGGER_SYSVIEW_Error (const char* s); + +/********************************************************************* +* +* Run-time configuration functions +*/ +void SEGGER_SYSVIEW_EnableEvents (U32 EnableMask); +void SEGGER_SYSVIEW_DisableEvents (U32 DisableMask); + +/********************************************************************* +* +* Application-provided functions +*/ +void SEGGER_SYSVIEW_Conf (void); +U32 SEGGER_SYSVIEW_X_GetTimestamp (void); +U32 SEGGER_SYSVIEW_X_GetInterruptId (void); + +#ifdef __cplusplus +} +#endif + +#endif + +/*************************** End of file ****************************/ diff --git a/components/trace/SystemView_Src_V240/SEGGER/SEGGER_SYSVIEW_ConfDefaults.h b/components/trace/SystemView_Src_V240/SEGGER/SEGGER_SYSVIEW_ConfDefaults.h new file mode 100644 index 000000000..9664f94ae --- /dev/null +++ b/components/trace/SystemView_Src_V240/SEGGER/SEGGER_SYSVIEW_ConfDefaults.h @@ -0,0 +1,164 @@ +/********************************************************************* +* SEGGER MICROCONTROLLER GmbH & Co. KG * +* Solutions for real time microcontroller applications * +********************************************************************** +* * +* (c) 2015 - 2016 SEGGER Microcontroller GmbH & Co. KG * +* * +* www.segger.com Support: support@segger.com * +* * +********************************************************************** +* * +* SEGGER SystemView * Real-time application analysis * +* * +********************************************************************** +* * +* All rights reserved. * +* * +* * This software may in its unmodified form be freely redistributed * +* in source form. * +* * The source code may be modified, provided the source code * +* retains the above copyright notice, this list of conditions and * +* the following disclaimer. * +* * Modified versions of this software in source or linkable form * +* may not be distributed without prior consent of SEGGER. * +* * +* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS "AS IS" AND * +* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, * +* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A * +* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL * +* SEGGER Microcontroller BE LIABLE FOR ANY DIRECT, INDIRECT, * +* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES * +* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * +* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * +* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, * +* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING * +* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS * +* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * +* * +********************************************************************** +* * +* SystemView version: V2.40 * +* * +********************************************************************** +-------------------------- END-OF-HEADER ----------------------------- +File : SEGGER_SYSVIEW_ConfDefaults.h +Purpose : Defines defaults for configurable defines used in + SEGGER SystemView. +Revision: $Rev: 3734 $ +*/ + +#ifndef SEGGER_SYSVIEW_CONFDEFAULTS_H +#define SEGGER_SYSVIEW_CONFDEFAULTS_H + +/********************************************************************* +* +* #include Section +* +********************************************************************** +*/ + +#include "SEGGER_SYSVIEW_Conf.h" +#include "SEGGER_RTT_Conf.h" + +#ifdef __cplusplus +extern "C" { +#endif + +/********************************************************************* +* +* Configuration defaults +* +********************************************************************** +*/ + +// Number of bytes that SystemView uses for a buffer. +#ifndef SEGGER_SYSVIEW_RTT_BUFFER_SIZE + #define SEGGER_SYSVIEW_RTT_BUFFER_SIZE 1024 +#endif + +// The RTT channel that SystemView will use. +#ifndef SEGGER_SYSVIEW_RTT_CHANNEL + #define SEGGER_SYSVIEW_RTT_CHANNEL 0 +#endif +// Sanity check of RTT channel +#if (SEGGER_SYSVIEW_RTT_CHANNEL == 0) && (SEGGER_RTT_MAX_NUM_UP_BUFFERS < 2) + #error "SEGGER_RTT_MAX_NUM_UP_BUFFERS in SEGGER_RTT_Conf.h has to be > 1!" +#elif (SEGGER_SYSVIEW_RTT_CHANNEL >= SEGGER_RTT_MAX_NUM_UP_BUFFERS) + #error "SEGGER_RTT_MAX_NUM_UP_BUFFERS in SEGGER_RTT_Conf.h has to be > SEGGER_SYSVIEW_RTT_CHANNEL!" +#endif + +// Place the SystemView buffer into its own/the RTT section +#if !(defined SEGGER_SYSVIEW_BUFFER_SECTION) && (defined SEGGER_RTT_SECTION) + #define SEGGER_SYSVIEW_BUFFER_SECTION SEGGER_RTT_SECTION +#endif + +// Retrieve a system timestamp. This gets the Cortex-M cycle counter. +#ifndef SEGGER_SYSVIEW_GET_TIMESTAMP + #error "SEGGER_SYSVIEW_GET_TIMESTAMP has to be defined in SEGGER_SYSVIEW_Conf.h!" +#endif + +// Define number of valid bits low-order delivered by clock source. +#ifndef SEGGER_SYSVIEW_TIMESTAMP_BITS + #define SEGGER_SYSVIEW_TIMESTAMP_BITS 32 +#endif + +// Lowest Id reported by the Application. +#ifndef SEGGER_SYSVIEW_ID_BASE + #define SEGGER_SYSVIEW_ID_BASE 0 +#endif + +// Number of bits to shift Ids to save bandwidth +#ifndef SEGGER_SYSVIEW_ID_SHIFT + #define SEGGER_SYSVIEW_ID_SHIFT 0 +#endif + +#ifndef SEGGER_SYSVIEW_GET_INTERRUPT_ID + #error "SEGGER_SYSVIEW_GET_INTERRUPT_ID has to be defined in SEGGER_SYSVIEW_Conf.h!" +#endif + +#ifndef SEGGER_SYSVIEW_MAX_ARGUMENTS + #define SEGGER_SYSVIEW_MAX_ARGUMENTS 16 +#endif + +#ifndef SEGGER_SYSVIEW_MAX_STRING_LEN + #define SEGGER_SYSVIEW_MAX_STRING_LEN 128 +#endif + +// Use a static buffer instead of a buffer on the stack for packets +#ifndef SEGGER_SYSVIEW_USE_STATIC_BUFFER + #define SEGGER_SYSVIEW_USE_STATIC_BUFFER 1 +#endif + +// Maximum packet size used by SystemView for the static buffer +#ifndef SEGGER_SYSVIEW_MAX_PACKET_SIZE + #define SEGGER_SYSVIEW_MAX_PACKET_SIZE SEGGER_SYSVIEW_INFO_SIZE + SEGGER_SYSVIEW_MAX_STRING_LEN + 2 * SEGGER_SYSVIEW_QUANTA_U32 + SEGGER_SYSVIEW_MAX_ARGUMENTS * SEGGER_SYSVIEW_QUANTA_U32 +#endif + +// Use post-mortem analysis instead of real-time analysis +#ifndef SEGGER_SYSVIEW_POST_MORTEM_MODE + #define SEGGER_SYSVIEW_POST_MORTEM_MODE 0 +#endif + +// Configure how frequently syncronization is sent +#ifndef SEGGER_SYSVIEW_SYNC_PERIOD_SHIFT + #define SEGGER_SYSVIEW_SYNC_PERIOD_SHIFT 8 +#endif + +// Lock SystemView (nestable) +#ifndef SEGGER_SYSVIEW_LOCK + #define SEGGER_SYSVIEW_LOCK() SEGGER_RTT_LOCK() +#endif + +// Unlock SystemView (nestable) +#ifndef SEGGER_SYSVIEW_UNLOCK + #define SEGGER_SYSVIEW_UNLOCK() SEGGER_RTT_UNLOCK() +#endif + +#ifdef __cplusplus +} +#endif + +#endif + +/*************************** End of file ****************************/ diff --git a/components/trace/SystemView_Src_V240/SEGGER/SEGGER_SYSVIEW_Int.h b/components/trace/SystemView_Src_V240/SEGGER/SEGGER_SYSVIEW_Int.h new file mode 100644 index 000000000..e61b42acc --- /dev/null +++ b/components/trace/SystemView_Src_V240/SEGGER/SEGGER_SYSVIEW_Int.h @@ -0,0 +1,96 @@ +/********************************************************************* +* SEGGER MICROCONTROLLER GmbH & Co. KG * +* Solutions for real time microcontroller applications * +********************************************************************** +* * +* (c) 2015 - 2016 SEGGER Microcontroller GmbH & Co. KG * +* * +* www.segger.com Support: support@segger.com * +* * +********************************************************************** +* * +* SEGGER SystemView * Real-time application analysis * +* * +********************************************************************** +* * +* All rights reserved. * +* * +* * This software may in its unmodified form be freely redistributed * +* in source form. * +* * The source code may be modified, provided the source code * +* retains the above copyright notice, this list of conditions and * +* the following disclaimer. * +* * Modified versions of this software in source or linkable form * +* may not be distributed without prior consent of SEGGER. * +* * +* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS "AS IS" AND * +* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, * +* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A * +* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL * +* SEGGER Microcontroller BE LIABLE FOR ANY DIRECT, INDIRECT, * +* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES * +* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * +* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * +* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, * +* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING * +* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS * +* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * +* * +********************************************************************** +* * +* SystemView version: V2.40 * +* * +********************************************************************** +-------------------------- END-OF-HEADER ----------------------------- +File : SEGGER_SYSVIEW_Int.h +Purpose : SEGGER SystemView internal header. +Revision: $Rev: 3734 $ +*/ + +#ifndef SEGGER_SYSVIEW_INT_H +#define SEGGER_SYSVIEW_INT_H + +/********************************************************************* +* +* #include Section +* +********************************************************************** +*/ + +#include "SEGGER_SYSVIEW.h" +#include "SEGGER_SYSVIEW_Conf.h" +#include "SEGGER_SYSVIEW_ConfDefaults.h" + +#ifdef __cplusplus +extern "C" { +#endif + + +/********************************************************************* +* +* Private data types +* +********************************************************************** +*/ +// +// Commands that Host can send to target +// +typedef enum { + SEGGER_SYSVIEW_COMMAND_ID_START = 1, + SEGGER_SYSVIEW_COMMAND_ID_STOP, + SEGGER_SYSVIEW_COMMAND_ID_GET_SYSTIME, + SEGGER_SYSVIEW_COMMAND_ID_GET_TASKLIST, + SEGGER_SYSVIEW_COMMAND_ID_GET_SYSDESC, + SEGGER_SYSVIEW_COMMAND_ID_GET_NUMMODULES, + SEGGER_SYSVIEW_COMMAND_ID_GET_MODULEDESC, + // Extended commands: Commands >= 128 have a second parameter + SEGGER_SYSVIEW_COMMAND_ID_GET_MODULE = 128, +} SEGGER_SYSVIEW_COMMAND_ID; + +#ifdef __cplusplus +} +#endif + +#endif + +/*************************** End of file ****************************/ diff --git a/components/trace/how to use.md b/components/trace/how to use.md new file mode 100644 index 000000000..6a3dfa31f --- /dev/null +++ b/components/trace/how to use.md @@ -0,0 +1,23 @@ +##How to use the Segger SystemView trace componment +------ +### 1. Copy description file +Copy the '.\SystemView_Src_Vxxx\Description\SYSVIEW_RTThread.txt' to folder '%SystemView_Install_Folder%\Description\'. +### 2. Enable trace componment +Add `RT_USING_TRACE` define in your bsp's rtconfig.h +```c +// +#define RT_USING_TRACE +``` +### 3. Connect to target board debug interface +Segger SystemView only support Segger J-Link and Segger J-Link OB. If you using the origin development boards from vendor, you can upgrade the on board debugger to J-Link OB. + +* For ST ST-Link, here is the [ST-Link upgrade utility download page](https://www.segger.com/jlink-st-link.html) +* For Atmel EDBG, here is the [EDBG upgrade utility download page](https://www.segger.com/jlink-edbg.html) +* For Freescale(NXP) OpenSDA/OpenSDA-V2, here is the [OpenSDA upgrade utility download page](https://www.segger.com/opensda.html) +* For NXP LPC Link 2, here is the [LPC link 2 upgrade utility download page](https://www.segger.com/lpc-link-2.html) +* NXP LPCXpresso, here is the [LPC link 2 upgrade utility download page](https://www.segger.com/jlink-lpcxpresso-ob.html) + +### 4. Intergration (Porting) limitation + +* Can only trace thread, scheduler and interrupt. +* Tracing RT-Thread IPC componment is not supported.