823 lines
40 KiB
C
823 lines
40 KiB
C
|
/**************************************************************************//**
|
||
|
|
* @file core_cm0plus.h
|
||
|
|
* @brief CMSIS Cortex-M0+ Core Peripheral Access Layer Header File
|
||
|
|
* @version V4.00
|
||
|
|
* @date 22. August 2014
|
||
|
|
*
|
||
|
|
* @note
|
||
|
|
*
|
||
|
|
******************************************************************************/
|
||
|
|
/* Copyright (c) 2009 - 2014 ARM LIMITED
|
||
|
|
|
||
|
|
All rights reserved.
|
||
|
|
Redistribution and use in source and binary forms, with or without
|
||
|
|
modification, are permitted provided that the following conditions are met:
|
||
|
|
- Redistributions of source code must retain the above copyright
|
||
|
|
notice, this list of conditions and the following disclaimer.
|
||
|
|
- Redistributions in binary form must reproduce the above copyright
|
||
|
|
notice, this list of conditions and the following disclaimer in the
|
||
|
|
documentation and/or other materials provided with the distribution.
|
||
|
|
- Neither the name of ARM nor the names of its contributors may be used
|
||
|
|
to endorse or promote products derived from this software without
|
||
|
|
specific prior written permission.
|
||
|
|
*
|
||
|
|
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 COPYRIGHT HOLDERS AND CONTRIBUTORS 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.
|
||
|
|
---------------------------------------------------------------------------*/
|
||
|
|
|
||
|
|
|
||
|
|
#if defined ( __ICCARM__ )
|
||
|
|
#pragma system_include /* treat file as system include file for MISRA check */
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#ifndef __CORE_CM0PLUS_H_GENERIC
|
||
|
|
#define __CORE_CM0PLUS_H_GENERIC
|
||
|
|
|
||
|
|
#ifdef __cplusplus
|
||
|
|
extern "C" {
|
||
|
|
#endif
|
||
|
|
|
||
|
|
/** \page CMSIS_MISRA_Exceptions MISRA-C:2004 Compliance Exceptions
|
||
|
|
CMSIS violates the following MISRA-C:2004 rules:
|
||
|
|
|
||
|
|
\li Required Rule 8.5, object/function definition in header file.<br>
|
||
|
|
Function definitions in header files are used to allow 'inlining'.
|
||
|
|
|
||
|
|
\li Required Rule 18.4, declaration of union type or object of union type: '{...}'.<br>
|
||
|
|
Unions are used for effective representation of core registers.
|
||
|
|
|
||
|
|
\li Advisory Rule 19.7, Function-like macro defined.<br>
|
||
|
|
Function-like macros are used to allow more efficient code.
|
||
|
|
*/
|
||
|
|
|
||
|
|
|
||
|
|
/*******************************************************************************
|
||
|
|
* CMSIS definitions
|
||
|
|
******************************************************************************/
|
||
|
|
/** \ingroup Cortex-M0+
|
||
|
|
@{
|
||
|
|
*/
|
||
|
|
|
||
|
|
/* CMSIS CM0P definitions */
|
||
|
|
#define __CM0PLUS_CMSIS_VERSION_MAIN (0x04) /*!< [31:16] CMSIS HAL main version */
|
||
|
|
#define __CM0PLUS_CMSIS_VERSION_SUB (0x00) /*!< [15:0] CMSIS HAL sub version */
|
||
|
|
#define __CM0PLUS_CMSIS_VERSION ((__CM0PLUS_CMSIS_VERSION_MAIN << 16) | \
|
||
|
|
__CM0PLUS_CMSIS_VERSION_SUB) /*!< CMSIS HAL version number */
|
||
|
|
|
||
|
|
#define __CORTEX_M (0x00) /*!< Cortex-M Core */
|
||
|
|
|
||
|
|
|
||
|
|
#if defined ( __CC_ARM )
|
||
|
|
#define __ASM __asm /*!< asm keyword for ARM Compiler */
|
||
|
|
#define __INLINE __inline /*!< inline keyword for ARM Compiler */
|
||
|
|
#define __STATIC_INLINE static __inline
|
||
|
|
|
||
|
|
#elif defined ( __GNUC__ )
|
||
|
|
#define __ASM __asm /*!< asm keyword for GNU Compiler */
|
||
|
|
#define __INLINE inline /*!< inline keyword for GNU Compiler */
|
||
|
|
#define __STATIC_INLINE static inline
|
||
|
|
|
||
|
|
#elif defined ( __ICCARM__ )
|
||
|
|
#define __ASM __asm /*!< asm keyword for IAR Compiler */
|
||
|
|
#define __INLINE inline /*!< inline keyword for IAR Compiler. Only available in High optimization mode! */
|
||
|
|
#define __STATIC_INLINE static inline
|
||
|
|
|
||
|
|
#elif defined ( __TMS470__ )
|
||
|
|
#define __ASM __asm /*!< asm keyword for TI CCS Compiler */
|
||
|
|
#define __STATIC_INLINE static inline
|
||
|
|
|
||
|
|
#elif defined ( __TASKING__ )
|
||
|
|
#define __ASM __asm /*!< asm keyword for TASKING Compiler */
|
||
|
|
#define __INLINE inline /*!< inline keyword for TASKING Compiler */
|
||
|
|
#define __STATIC_INLINE static inline
|
||
|
|
|
||
|
|
#elif defined ( __CSMC__ )
|
||
|
|
#define __packed
|
||
|
|
#define __ASM _asm /*!< asm keyword for COSMIC Compiler */
|
||
|
|
#define __INLINE inline /*use -pc99 on compile line !< inline keyword for COSMIC Compiler */
|
||
|
|
#define __STATIC_INLINE static inline
|
||
|
|
|
||
|
|
#endif
|
||
|
|
|
||
|
|
/** __FPU_USED indicates whether an FPU is used or not.
|
||
|
|
This core does not support an FPU at all
|
||
|
|
*/
|
||
|
|
#define __FPU_USED 0
|
||
|
|
|
||
|
|
#if defined ( __CC_ARM )
|
||
|
|
#if defined __TARGET_FPU_VFP
|
||
|
|
#warning "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)"
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#elif defined ( __GNUC__ )
|
||
|
|
#if defined (__VFP_FP__) && !defined(__SOFTFP__)
|
||
|
|
#warning "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)"
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#elif defined ( __ICCARM__ )
|
||
|
|
#if defined __ARMVFP__
|
||
|
|
#warning "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)"
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#elif defined ( __TMS470__ )
|
||
|
|
#if defined __TI__VFP_SUPPORT____
|
||
|
|
#warning "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)"
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#elif defined ( __TASKING__ )
|
||
|
|
#if defined __FPU_VFP__
|
||
|
|
#error "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)"
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#elif defined ( __CSMC__ ) /* Cosmic */
|
||
|
|
#if ( __CSMC__ & 0x400) // FPU present for parser
|
||
|
|
#error "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)"
|
||
|
|
#endif
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#include <stdint.h> /* standard types definitions */
|
||
|
|
#include <core_cmInstr.h> /* Core Instruction Access */
|
||
|
|
#include <core_cmFunc.h> /* Core Function Access */
|
||
|
|
|
||
|
|
#ifdef __cplusplus
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#endif /* __CORE_CM0PLUS_H_GENERIC */
|
||
|
|
|
||
|
|
#ifndef __CMSIS_GENERIC
|
||
|
|
|
||
|
|
#ifndef __CORE_CM0PLUS_H_DEPENDANT
|
||
|
|
#define __CORE_CM0PLUS_H_DEPENDANT
|
||
|
|
|
||
|
|
#ifdef __cplusplus
|
||
|
|
extern "C" {
|
||
|
|
#endif
|
||
|
|
|
||
|
|
/* check device defines and use defaults */
|
||
|
|
#if defined __CHECK_DEVICE_DEFINES
|
||
|
|
#ifndef __CM0PLUS_REV
|
||
|
|
#define __CM0PLUS_REV 0x0000
|
||
|
|
#warning "__CM0PLUS_REV not defined in device header file; using default!"
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#ifndef __MPU_PRESENT
|
||
|
|
#define __MPU_PRESENT 0
|
||
|
|
#warning "__MPU_PRESENT not defined in device header file; using default!"
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#ifndef __VTOR_PRESENT
|
||
|
|
#define __VTOR_PRESENT 0
|
||
|
|
#warning "__VTOR_PRESENT not defined in device header file; using default!"
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#ifndef __NVIC_PRIO_BITS
|
||
|
|
#define __NVIC_PRIO_BITS 2
|
||
|
|
#warning "__NVIC_PRIO_BITS not defined in device header file; using default!"
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#ifndef __Vendor_SysTickConfig
|
||
|
|
#define __Vendor_SysTickConfig 0
|
||
|
|
#warning "__Vendor_SysTickConfig not defined in device header file; using default!"
|
||
|
|
#endif
|
||
|
|
#endif
|
||
|
|
|
||
|
|
/* IO definitions (access restrictions to peripheral registers) */
|
||
|
|
/**
|
||
|
|
\defgroup CMSIS_glob_defs CMSIS Global Defines
|
||
|
|
|
||
|
|
<strong>IO Type Qualifiers</strong> are used
|
||
|
|
\li to specify the access to peripheral variables.
|
||
|
|
\li for automatic generation of peripheral register debug information.
|
||
|
|
*/
|
||
|
|
#ifdef __cplusplus
|
||
|
|
#define __I volatile /*!< Defines 'read only' permissions */
|
||
|
|
#else
|
||
|
|
#define __I volatile const /*!< Defines 'read only' permissions */
|
||
|
|
#endif
|
||
|
|
#define __O volatile /*!< Defines 'write only' permissions */
|
||
|
|
#define __IO volatile /*!< Defines 'read / write' permissions */
|
||
|
|
|
||
|
|
/*@} end of group Cortex-M0+ */
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
/*******************************************************************************
|
||
|
|
* Register Abstraction
|
||
|
|
Core Register contain:
|
||
|
|
- Core Register
|
||
|
|
- Core NVIC Register
|
||
|
|
- Core SCB Register
|
||
|
|
- Core SysTick Register
|
||
|
|
- Core MPU Register
|
||
|
|
******************************************************************************/
|
||
|
|
/** \defgroup CMSIS_core_register Defines and Type Definitions
|
||
|
|
\brief Type definitions and defines for Cortex-M processor based devices.
|
||
|
|
*/
|
||
|
|
|
||
|
|
/** \ingroup CMSIS_core_register
|
||
|
|
\defgroup CMSIS_CORE Status and Control Registers
|
||
|
|
\brief Core Register type definitions.
|
||
|
|
@{
|
||
|
|
*/
|
||
|
|
|
||
|
|
/** \brief Union type to access the Application Program Status Register (APSR).
|
||
|
|
*/
|
||
|
|
typedef union
|
||
|
|
{
|
||
|
|
struct
|
||
|
|
{
|
||
|
|
#if (__CORTEX_M != 0x04)
|
||
|
|
uint32_t _reserved0:27; /*!< bit: 0..26 Reserved */
|
||
|
|
#else
|
||
|
|
uint32_t _reserved0:16; /*!< bit: 0..15 Reserved */
|
||
|
|
uint32_t GE:4; /*!< bit: 16..19 Greater than or Equal flags */
|
||
|
|
uint32_t _reserved1:7; /*!< bit: 20..26 Reserved */
|
||
|
|
#endif
|
||
|
|
uint32_t Q:1; /*!< bit: 27 Saturation condition flag */
|
||
|
|
uint32_t V:1; /*!< bit: 28 Overflow condition code flag */
|
||
|
|
uint32_t C:1; /*!< bit: 29 Carry condition code flag */
|
||
|
|
uint32_t Z:1; /*!< bit: 30 Zero condition code flag */
|
||
|
|
uint32_t N:1; /*!< bit: 31 Negative condition code flag */
|
||
|
|
} b; /*!< Structure used for bit access */
|
||
|
|
uint32_t w; /*!< Type used for word access */
|
||
|
|
} APSR_Type;
|
||
|
|
|
||
|
|
|
||
|
|
/** \brief Union type to access the Interrupt Program Status Register (IPSR).
|
||
|
|
*/
|
||
|
|
typedef union
|
||
|
|
{
|
||
|
|
struct
|
||
|
|
{
|
||
|
|
uint32_t ISR:9; /*!< bit: 0.. 8 Exception number */
|
||
|
|
uint32_t _reserved0:23; /*!< bit: 9..31 Reserved */
|
||
|
|
} b; /*!< Structure used for bit access */
|
||
|
|
uint32_t w; /*!< Type used for word access */
|
||
|
|
} IPSR_Type;
|
||
|
|
|
||
|
|
|
||
|
|
/** \brief Union type to access the Special-Purpose Program Status Registers (xPSR).
|
||
|
|
*/
|
||
|
|
typedef union
|
||
|
|
{
|
||
|
|
struct
|
||
|
|
{
|
||
|
|
uint32_t ISR:9; /*!< bit: 0.. 8 Exception number */
|
||
|
|
#if (__CORTEX_M != 0x04)
|
||
|
|
uint32_t _reserved0:15; /*!< bit: 9..23 Reserved */
|
||
|
|
#else
|
||
|
|
uint32_t _reserved0:7; /*!< bit: 9..15 Reserved */
|
||
|
|
uint32_t GE:4; /*!< bit: 16..19 Greater than or Equal flags */
|
||
|
|
uint32_t _reserved1:4; /*!< bit: 20..23 Reserved */
|
||
|
|
#endif
|
||
|
|
uint32_t T:1; /*!< bit: 24 Thumb bit (read 0) */
|
||
|
|
uint32_t IT:2; /*!< bit: 25..26 saved IT state (read 0) */
|
||
|
|
uint32_t Q:1; /*!< bit: 27 Saturation condition flag */
|
||
|
|
uint32_t V:1; /*!< bit: 28 Overflow condition code flag */
|
||
|
|
uint32_t C:1; /*!< bit: 29 Carry condition code flag */
|
||
|
|
uint32_t Z:1; /*!< bit: 30 Zero condition code flag */
|
||
|
|
uint32_t N:1; /*!< bit: 31 Negative condition code flag */
|
||
|
|
} b; /*!< Structure used for bit access */
|
||
|
|
uint32_t w; /*!< Type used for word access */
|
||
|
|
} xPSR_Type;
|
||
|
|
|
||
|
|
|
||
|
|
/** \brief Union type to access the Control Registers (CONTROL).
|
||
|
|
*/
|
||
|
|
typedef union
|
||
|
|
{
|
||
|
|
struct
|
||
|
|
{
|
||
|
|
uint32_t nPRIV:1; /*!< bit: 0 Execution privilege in Thread mode */
|
||
|
|
uint32_t SPSEL:1; /*!< bit: 1 Stack to be used */
|
||
|
|
uint32_t FPCA:1; /*!< bit: 2 FP extension active flag */
|
||
|
|
uint32_t _reserved0:29; /*!< bit: 3..31 Reserved */
|
||
|
|
} b; /*!< Structure used for bit access */
|
||
|
|
uint32_t w; /*!< Type used for word access */
|
||
|
|
} CONTROL_Type;
|
||
|
|
|
||
|
|
/*@} end of group CMSIS_CORE */
|
||
|
|
|
||
|
|
|
||
|
|
/** \ingroup CMSIS_core_register
|
||
|
|
\defgroup CMSIS_NVIC Nested Vectored Interrupt Controller (NVIC)
|
||
|
|
\brief Type definitions for the NVIC Registers
|
||
|
|
@{
|
||
|
|
*/
|
||
|
|
|
||
|
|
/** \brief Structure type to access the Nested Vectored Interrupt Controller (NVIC).
|
||
|
|
*/
|
||
|
|
typedef struct
|
||
|
|
{
|
||
|
|
__IO uint32_t ISER[1]; /*!< Offset: 0x000 (R/W) Interrupt Set Enable Register */
|
||
|
|
uint32_t RESERVED0[31];
|
||
|
|
__IO uint32_t ICER[1]; /*!< Offset: 0x080 (R/W) Interrupt Clear Enable Register */
|
||
|
|
uint32_t RSERVED1[31];
|
||
|
|
__IO uint32_t ISPR[1]; /*!< Offset: 0x100 (R/W) Interrupt Set Pending Register */
|
||
|
|
uint32_t RESERVED2[31];
|
||
|
|
__IO uint32_t ICPR[1]; /*!< Offset: 0x180 (R/W) Interrupt Clear Pending Register */
|
||
|
|
uint32_t RESERVED3[31];
|
||
|
|
uint32_t RESERVED4[64];
|
||
|
|
__IO uint32_t IP[8]; /*!< Offset: 0x300 (R/W) Interrupt Priority Register */
|
||
|
|
} NVIC_Type;
|
||
|
|
|
||
|
|
/*@} end of group CMSIS_NVIC */
|
||
|
|
|
||
|
|
|
||
|
|
/** \ingroup CMSIS_core_register
|
||
|
|
\defgroup CMSIS_SCB System Control Block (SCB)
|
||
|
|
\brief Type definitions for the System Control Block Registers
|
||
|
|
@{
|
||
|
|
*/
|
||
|
|
|
||
|
|
/** \brief Structure type to access the System Control Block (SCB).
|
||
|
|
*/
|
||
|
|
typedef struct
|
||
|
|
{
|
||
|
|
__I uint32_t CPUID; /*!< Offset: 0x000 (R/ ) CPUID Base Register */
|
||
|
|
__IO uint32_t ICSR; /*!< Offset: 0x004 (R/W) Interrupt Control and State Register */
|
||
|
|
#if (__VTOR_PRESENT == 1)
|
||
|
|
__IO uint32_t VTOR; /*!< Offset: 0x008 (R/W) Vector Table Offset Register */
|
||
|
|
#else
|
||
|
|
uint32_t RESERVED0;
|
||
|
|
#endif
|
||
|
|
__IO uint32_t AIRCR; /*!< Offset: 0x00C (R/W) Application Interrupt and Reset Control Register */
|
||
|
|
__IO uint32_t SCR; /*!< Offset: 0x010 (R/W) System Control Register */
|
||
|
|
__IO uint32_t CCR; /*!< Offset: 0x014 (R/W) Configuration Control Register */
|
||
|
|
uint32_t RESERVED1;
|
||
|
|
__IO uint32_t SHP[2]; /*!< Offset: 0x01C (R/W) System Handlers Priority Registers. [0] is RESERVED */
|
||
|
|
__IO uint32_t SHCSR; /*!< Offset: 0x024 (R/W) System Handler Control and State Register */
|
||
|
|
} SCB_Type;
|
||
|
|
|
||
|
|
/* SCB CPUID Register Definitions */
|
||
|
|
#define SCB_CPUID_IMPLEMENTER_Pos 24 /*!< SCB CPUID: IMPLEMENTER Position */
|
||
|
|
#define SCB_CPUID_IMPLEMENTER_Msk (0xFFUL << SCB_CPUID_IMPLEMENTER_Pos) /*!< SCB CPUID: IMPLEMENTER Mask */
|
||
|
|
|
||
|
|
#define SCB_CPUID_VARIANT_Pos 20 /*!< SCB CPUID: VARIANT Position */
|
||
|
|
#define SCB_CPUID_VARIANT_Msk (0xFUL << SCB_CPUID_VARIANT_Pos) /*!< SCB CPUID: VARIANT Mask */
|
||
|
|
|
||
|
|
#define SCB_CPUID_ARCHITECTURE_Pos 16 /*!< SCB CPUID: ARCHITECTURE Position */
|
||
|
|
#define SCB_CPUID_ARCHITECTURE_Msk (0xFUL << SCB_CPUID_ARCHITECTURE_Pos) /*!< SCB CPUID: ARCHITECTURE Mask */
|
||
|
|
|
||
|
|
#define SCB_CPUID_PARTNO_Pos 4 /*!< SCB CPUID: PARTNO Position */
|
||
|
|
#define SCB_CPUID_PARTNO_Msk (0xFFFUL << SCB_CPUID_PARTNO_Pos) /*!< SCB CPUID: PARTNO Mask */
|
||
|
|
|
||
|
|
#define SCB_CPUID_REVISION_Pos 0 /*!< SCB CPUID: REVISION Position */
|
||
|
|
#define SCB_CPUID_REVISION_Msk (0xFUL << SCB_CPUID_REVISION_Pos) /*!< SCB CPUID: REVISION Mask */
|
||
|
|
|
||
|
|
/* SCB Interrupt Control State Register Definitions */
|
||
|
|
#define SCB_ICSR_NMIPENDSET_Pos 31 /*!< SCB ICSR: NMIPENDSET Position */
|
||
|
|
#define SCB_ICSR_NMIPENDSET_Msk (1UL << SCB_ICSR_NMIPENDSET_Pos) /*!< SCB ICSR: NMIPENDSET Mask */
|
||
|
|
|
||
|
|
#define SCB_ICSR_PENDSVSET_Pos 28 /*!< SCB ICSR: PENDSVSET Position */
|
||
|
|
#define SCB_ICSR_PENDSVSET_Msk (1UL << SCB_ICSR_PENDSVSET_Pos) /*!< SCB ICSR: PENDSVSET Mask */
|
||
|
|
|
||
|
|
#define SCB_ICSR_PENDSVCLR_Pos 27 /*!< SCB ICSR: PENDSVCLR Position */
|
||
|
|
#define SCB_ICSR_PENDSVCLR_Msk (1UL << SCB_ICSR_PENDSVCLR_Pos) /*!< SCB ICSR: PENDSVCLR Mask */
|
||
|
|
|
||
|
|
#define SCB_ICSR_PENDSTSET_Pos 26 /*!< SCB ICSR: PENDSTSET Position */
|
||
|
|
#define SCB_ICSR_PENDSTSET_Msk (1UL << SCB_ICSR_PENDSTSET_Pos) /*!< SCB ICSR: PENDSTSET Mask */
|
||
|
|
|
||
|
|
#define SCB_ICSR_PENDSTCLR_Pos 25 /*!< SCB ICSR: PENDSTCLR Position */
|
||
|
|
#define SCB_ICSR_PENDSTCLR_Msk (1UL << SCB_ICSR_PENDSTCLR_Pos) /*!< SCB ICSR: PENDSTCLR Mask */
|
||
|
|
|
||
|
|
#define SCB_ICSR_ISRPREEMPT_Pos 23 /*!< SCB ICSR: ISRPREEMPT Position */
|
||
|
|
#define SCB_ICSR_ISRPREEMPT_Msk (1UL << SCB_ICSR_ISRPREEMPT_Pos) /*!< SCB ICSR: ISRPREEMPT Mask */
|
||
|
|
|
||
|
|
#define SCB_ICSR_ISRPENDING_Pos 22 /*!< SCB ICSR: ISRPENDING Position */
|
||
|
|
#define SCB_ICSR_ISRPENDING_Msk (1UL << SCB_ICSR_ISRPENDING_Pos) /*!< SCB ICSR: ISRPENDING Mask */
|
||
|
|
|
||
|
|
#define SCB_ICSR_VECTPENDING_Pos 12 /*!< SCB ICSR: VECTPENDING Position */
|
||
|
|
#define SCB_ICSR_VECTPENDING_Msk (0x1FFUL << SCB_ICSR_VECTPENDING_Pos) /*!< SCB ICSR: VECTPENDING Mask */
|
||
|
|
|
||
|
|
#define SCB_ICSR_VECTACTIVE_Pos 0 /*!< SCB ICSR: VECTACTIVE Position */
|
||
|
|
#define SCB_ICSR_VECTACTIVE_Msk (0x1FFUL << SCB_ICSR_VECTACTIVE_Pos) /*!< SCB ICSR: VECTACTIVE Mask */
|
||
|
|
|
||
|
|
#if (__VTOR_PRESENT == 1)
|
||
|
|
/* SCB Interrupt Control State Register Definitions */
|
||
|
|
#define SCB_VTOR_TBLOFF_Pos 8 /*!< SCB VTOR: TBLOFF Position */
|
||
|
|
#define SCB_VTOR_TBLOFF_Msk (0xFFFFFFUL << SCB_VTOR_TBLOFF_Pos) /*!< SCB VTOR: TBLOFF Mask */
|
||
|
|
#endif
|
||
|
|
|
||
|
|
/* SCB Application Interrupt and Reset Control Register Definitions */
|
||
|
|
#define SCB_AIRCR_VECTKEY_Pos 16 /*!< SCB AIRCR: VECTKEY Position */
|
||
|
|
#define SCB_AIRCR_VECTKEY_Msk (0xFFFFUL << SCB_AIRCR_VECTKEY_Pos) /*!< SCB AIRCR: VECTKEY Mask */
|
||
|
|
|
||
|
|
#define SCB_AIRCR_VECTKEYSTAT_Pos 16 /*!< SCB AIRCR: VECTKEYSTAT Position */
|
||
|
|
#define SCB_AIRCR_VECTKEYSTAT_Msk (0xFFFFUL << SCB_AIRCR_VECTKEYSTAT_Pos) /*!< SCB AIRCR: VECTKEYSTAT Mask */
|
||
|
|
|
||
|
|
#define SCB_AIRCR_ENDIANESS_Pos 15 /*!< SCB AIRCR: ENDIANESS Position */
|
||
|
|
#define SCB_AIRCR_ENDIANESS_Msk (1UL << SCB_AIRCR_ENDIANESS_Pos) /*!< SCB AIRCR: ENDIANESS Mask */
|
||
|
|
|
||
|
|
#define SCB_AIRCR_SYSRESETREQ_Pos 2 /*!< SCB AIRCR: SYSRESETREQ Position */
|
||
|
|
#define SCB_AIRCR_SYSRESETREQ_Msk (1UL << SCB_AIRCR_SYSRESETREQ_Pos) /*!< SCB AIRCR: SYSRESETREQ Mask */
|
||
|
|
|
||
|
|
#define SCB_AIRCR_VECTCLRACTIVE_Pos 1 /*!< SCB AIRCR: VECTCLRACTIVE Position */
|
||
|
|
#define SCB_AIRCR_VECTCLRACTIVE_Msk (1UL << SCB_AIRCR_VECTCLRACTIVE_Pos) /*!< SCB AIRCR: VECTCLRACTIVE Mask */
|
||
|
|
|
||
|
|
/* SCB System Control Register Definitions */
|
||
|
|
#define SCB_SCR_SEVONPEND_Pos 4 /*!< SCB SCR: SEVONPEND Position */
|
||
|
|
#define SCB_SCR_SEVONPEND_Msk (1UL << SCB_SCR_SEVONPEND_Pos) /*!< SCB SCR: SEVONPEND Mask */
|
||
|
|
|
||
|
|
#define SCB_SCR_SLEEPDEEP_Pos 2 /*!< SCB SCR: SLEEPDEEP Position */
|
||
|
|
#define SCB_SCR_SLEEPDEEP_Msk (1UL << SCB_SCR_SLEEPDEEP_Pos) /*!< SCB SCR: SLEEPDEEP Mask */
|
||
|
|
|
||
|
|
#define SCB_SCR_SLEEPONEXIT_Pos 1 /*!< SCB SCR: SLEEPONEXIT Position */
|
||
|
|
#define SCB_SCR_SLEEPONEXIT_Msk (1UL << SCB_SCR_SLEEPONEXIT_Pos) /*!< SCB SCR: SLEEPONEXIT Mask */
|
||
|
|
|
||
|
|
/* SCB Configuration Control Register Definitions */
|
||
|
|
#define SCB_CCR_STKALIGN_Pos 9 /*!< SCB CCR: STKALIGN Position */
|
||
|
|
#define SCB_CCR_STKALIGN_Msk (1UL << SCB_CCR_STKALIGN_Pos) /*!< SCB CCR: STKALIGN Mask */
|
||
|
|
|
||
|
|
#define SCB_CCR_UNALIGN_TRP_Pos 3 /*!< SCB CCR: UNALIGN_TRP Position */
|
||
|
|
#define SCB_CCR_UNALIGN_TRP_Msk (1UL << SCB_CCR_UNALIGN_TRP_Pos) /*!< SCB CCR: UNALIGN_TRP Mask */
|
||
|
|
|
||
|
|
/* SCB System Handler Control and State Register Definitions */
|
||
|
|
#define SCB_SHCSR_SVCALLPENDED_Pos 15 /*!< SCB SHCSR: SVCALLPENDED Position */
|
||
|
|
#define SCB_SHCSR_SVCALLPENDED_Msk (1UL << SCB_SHCSR_SVCALLPENDED_Pos) /*!< SCB SHCSR: SVCALLPENDED Mask */
|
||
|
|
|
||
|
|
/*@} end of group CMSIS_SCB */
|
||
|
|
|
||
|
|
|
||
|
|
/** \ingroup CMSIS_core_register
|
||
|
|
\defgroup CMSIS_SysTick System Tick Timer (SysTick)
|
||
|
|
\brief Type definitions for the System Timer Registers.
|
||
|
|
@{
|
||
|
|
*/
|
||
|
|
|
||
|
|
/** \brief Structure type to access the System Timer (SysTick).
|
||
|
|
*/
|
||
|
|
typedef struct
|
||
|
|
{
|
||
|
|
__IO uint32_t CTRL; /*!< Offset: 0x000 (R/W) SysTick Control and Status Register */
|
||
|
|
__IO uint32_t LOAD; /*!< Offset: 0x004 (R/W) SysTick Reload Value Register */
|
||
|
|
__IO uint32_t VAL; /*!< Offset: 0x008 (R/W) SysTick Current Value Register */
|
||
|
|
__I uint32_t CALIB; /*!< Offset: 0x00C (R/ ) SysTick Calibration Register */
|
||
|
|
} SysTick_Type;
|
||
|
|
|
||
|
|
/* SysTick Control / Status Register Definitions */
|
||
|
|
#define SysTick_CTRL_COUNTFLAG_Pos 16 /*!< SysTick CTRL: COUNTFLAG Position */
|
||
|
|
#define SysTick_CTRL_COUNTFLAG_Msk (1UL << SysTick_CTRL_COUNTFLAG_Pos) /*!< SysTick CTRL: COUNTFLAG Mask */
|
||
|
|
|
||
|
|
#define SysTick_CTRL_CLKSOURCE_Pos 2 /*!< SysTick CTRL: CLKSOURCE Position */
|
||
|
|
#define SysTick_CTRL_CLKSOURCE_Msk (1UL << SysTick_CTRL_CLKSOURCE_Pos) /*!< SysTick CTRL: CLKSOURCE Mask */
|
||
|
|
|
||
|
|
#define SysTick_CTRL_TICKINT_Pos 1 /*!< SysTick CTRL: TICKINT Position */
|
||
|
|
#define SysTick_CTRL_TICKINT_Msk (1UL << SysTick_CTRL_TICKINT_Pos) /*!< SysTick CTRL: TICKINT Mask */
|
||
|
|
|
||
|
|
#define SysTick_CTRL_ENABLE_Pos 0 /*!< SysTick CTRL: ENABLE Position */
|
||
|
|
#define SysTick_CTRL_ENABLE_Msk (1UL << SysTick_CTRL_ENABLE_Pos) /*!< SysTick CTRL: ENABLE Mask */
|
||
|
|
|
||
|
|
/* SysTick Reload Register Definitions */
|
||
|
|
#define SysTick_LOAD_RELOAD_Pos 0 /*!< SysTick LOAD: RELOAD Position */
|
||
|
|
#define SysTick_LOAD_RELOAD_Msk (0xFFFFFFUL << SysTick_LOAD_RELOAD_Pos) /*!< SysTick LOAD: RELOAD Mask */
|
||
|
|
|
||
|
|
/* SysTick Current Register Definitions */
|
||
|
|
#define SysTick_VAL_CURRENT_Pos 0 /*!< SysTick VAL: CURRENT Position */
|
||
|
|
#define SysTick_VAL_CURRENT_Msk (0xFFFFFFUL << SysTick_VAL_CURRENT_Pos) /*!< SysTick VAL: CURRENT Mask */
|
||
|
|
|
||
|
|
/* SysTick Calibration Register Definitions */
|
||
|
|
#define SysTick_CALIB_NOREF_Pos 31 /*!< SysTick CALIB: NOREF Position */
|
||
|
|
#define SysTick_CALIB_NOREF_Msk (1UL << SysTick_CALIB_NOREF_Pos) /*!< SysTick CALIB: NOREF Mask */
|
||
|
|
|
||
|
|
#define SysTick_CALIB_SKEW_Pos 30 /*!< SysTick CALIB: SKEW Position */
|
||
|
|
#define SysTick_CALIB_SKEW_Msk (1UL << SysTick_CALIB_SKEW_Pos) /*!< SysTick CALIB: SKEW Mask */
|
||
|
|
|
||
|
|
#define SysTick_CALIB_TENMS_Pos 0 /*!< SysTick CALIB: TENMS Position */
|
||
|
|
#define SysTick_CALIB_TENMS_Msk (0xFFFFFFUL << SysTick_CALIB_TENMS_Pos) /*!< SysTick CALIB: TENMS Mask */
|
||
|
|
|
||
|
|
/*@} end of group CMSIS_SysTick */
|
||
|
|
|
||
|
|
#if (__MPU_PRESENT == 1)
|
||
|
|
/** \ingroup CMSIS_core_register
|
||
|
|
\defgroup CMSIS_MPU Memory Protection Unit (MPU)
|
||
|
|
\brief Type definitions for the Memory Protection Unit (MPU)
|
||
|
|
@{
|
||
|
|
*/
|
||
|
|
|
||
|
|
/** \brief Structure type to access the Memory Protection Unit (MPU).
|
||
|
|
*/
|
||
|
|
typedef struct
|
||
|
|
{
|
||
|
|
__I uint32_t TYPE; /*!< Offset: 0x000 (R/ ) MPU Type Register */
|
||
|
|
__IO uint32_t CTRL; /*!< Offset: 0x004 (R/W) MPU Control Register */
|
||
|
|
__IO uint32_t RNR; /*!< Offset: 0x008 (R/W) MPU Region RNRber Register */
|
||
|
|
__IO uint32_t RBAR; /*!< Offset: 0x00C (R/W) MPU Region Base Address Register */
|
||
|
|
__IO uint32_t RASR; /*!< Offset: 0x010 (R/W) MPU Region Attribute and Size Register */
|
||
|
|
} MPU_Type;
|
||
|
|
|
||
|
|
/* MPU Type Register */
|
||
|
|
#define MPU_TYPE_IREGION_Pos 16 /*!< MPU TYPE: IREGION Position */
|
||
|
|
#define MPU_TYPE_IREGION_Msk (0xFFUL << MPU_TYPE_IREGION_Pos) /*!< MPU TYPE: IREGION Mask */
|
||
|
|
|
||
|
|
#define MPU_TYPE_DREGION_Pos 8 /*!< MPU TYPE: DREGION Position */
|
||
|
|
#define MPU_TYPE_DREGION_Msk (0xFFUL << MPU_TYPE_DREGION_Pos) /*!< MPU TYPE: DREGION Mask */
|
||
|
|
|
||
|
|
#define MPU_TYPE_SEPARATE_Pos 0 /*!< MPU TYPE: SEPARATE Position */
|
||
|
|
#define MPU_TYPE_SEPARATE_Msk (1UL << MPU_TYPE_SEPARATE_Pos) /*!< MPU TYPE: SEPARATE Mask */
|
||
|
|
|
||
|
|
/* MPU Control Register */
|
||
|
|
#define MPU_CTRL_PRIVDEFENA_Pos 2 /*!< MPU CTRL: PRIVDEFENA Position */
|
||
|
|
#define MPU_CTRL_PRIVDEFENA_Msk (1UL << MPU_CTRL_PRIVDEFENA_Pos) /*!< MPU CTRL: PRIVDEFENA Mask */
|
||
|
|
|
||
|
|
#define MPU_CTRL_HFNMIENA_Pos 1 /*!< MPU CTRL: HFNMIENA Position */
|
||
|
|
#define MPU_CTRL_HFNMIENA_Msk (1UL << MPU_CTRL_HFNMIENA_Pos) /*!< MPU CTRL: HFNMIENA Mask */
|
||
|
|
|
||
|
|
#define MPU_CTRL_ENABLE_Pos 0 /*!< MPU CTRL: ENABLE Position */
|
||
|
|
#define MPU_CTRL_ENABLE_Msk (1UL << MPU_CTRL_ENABLE_Pos) /*!< MPU CTRL: ENABLE Mask */
|
||
|
|
|
||
|
|
/* MPU Region Number Register */
|
||
|
|
#define MPU_RNR_REGION_Pos 0 /*!< MPU RNR: REGION Position */
|
||
|
|
#define MPU_RNR_REGION_Msk (0xFFUL << MPU_RNR_REGION_Pos) /*!< MPU RNR: REGION Mask */
|
||
|
|
|
||
|
|
/* MPU Region Base Address Register */
|
||
|
|
#define MPU_RBAR_ADDR_Pos 8 /*!< MPU RBAR: ADDR Position */
|
||
|
|
#define MPU_RBAR_ADDR_Msk (0xFFFFFFUL << MPU_RBAR_ADDR_Pos) /*!< MPU RBAR: ADDR Mask */
|
||
|
|
|
||
|
|
#define MPU_RBAR_VALID_Pos 4 /*!< MPU RBAR: VALID Position */
|
||
|
|
#define MPU_RBAR_VALID_Msk (1UL << MPU_RBAR_VALID_Pos) /*!< MPU RBAR: VALID Mask */
|
||
|
|
|
||
|
|
#define MPU_RBAR_REGION_Pos 0 /*!< MPU RBAR: REGION Position */
|
||
|
|
#define MPU_RBAR_REGION_Msk (0xFUL << MPU_RBAR_REGION_Pos) /*!< MPU RBAR: REGION Mask */
|
||
|
|
|
||
|
|
/* MPU Region Attribute and Size Register */
|
||
|
|
#define MPU_RASR_ATTRS_Pos 16 /*!< MPU RASR: MPU Region Attribute field Position */
|
||
|
|
#define MPU_RASR_ATTRS_Msk (0xFFFFUL << MPU_RASR_ATTRS_Pos) /*!< MPU RASR: MPU Region Attribute field Mask */
|
||
|
|
|
||
|
|
#define MPU_RASR_XN_Pos 28 /*!< MPU RASR: ATTRS.XN Position */
|
||
|
|
#define MPU_RASR_XN_Msk (1UL << MPU_RASR_XN_Pos) /*!< MPU RASR: ATTRS.XN Mask */
|
||
|
|
|
||
|
|
#define MPU_RASR_AP_Pos 24 /*!< MPU RASR: ATTRS.AP Position */
|
||
|
|
#define MPU_RASR_AP_Msk (0x7UL << MPU_RASR_AP_Pos) /*!< MPU RASR: ATTRS.AP Mask */
|
||
|
|
|
||
|
|
#define MPU_RASR_TEX_Pos 19 /*!< MPU RASR: ATTRS.TEX Position */
|
||
|
|
#define MPU_RASR_TEX_Msk (0x7UL << MPU_RASR_TEX_Pos) /*!< MPU RASR: ATTRS.TEX Mask */
|
||
|
|
|
||
|
|
#define MPU_RASR_S_Pos 18 /*!< MPU RASR: ATTRS.S Position */
|
||
|
|
#define MPU_RASR_S_Msk (1UL << MPU_RASR_S_Pos) /*!< MPU RASR: ATTRS.S Mask */
|
||
|
|
|
||
|
|
#define MPU_RASR_C_Pos 17 /*!< MPU RASR: ATTRS.C Position */
|
||
|
|
#define MPU_RASR_C_Msk (1UL << MPU_RASR_C_Pos) /*!< MPU RASR: ATTRS.C Mask */
|
||
|
|
|
||
|
|
#define MPU_RASR_B_Pos 16 /*!< MPU RASR: ATTRS.B Position */
|
||
|
|
#define MPU_RASR_B_Msk (1UL << MPU_RASR_B_Pos) /*!< MPU RASR: ATTRS.B Mask */
|
||
|
|
|
||
|
|
#define MPU_RASR_SRD_Pos 8 /*!< MPU RASR: Sub-Region Disable Position */
|
||
|
|
#define MPU_RASR_SRD_Msk (0xFFUL << MPU_RASR_SRD_Pos) /*!< MPU RASR: Sub-Region Disable Mask */
|
||
|
|
|
||
|
|
#define MPU_RASR_SIZE_Pos 1 /*!< MPU RASR: Region Size Field Position */
|
||
|
|
#define MPU_RASR_SIZE_Msk (0x1FUL << MPU_RASR_SIZE_Pos) /*!< MPU RASR: Region Size Field Mask */
|
||
|
|
|
||
|
|
#define MPU_RASR_ENABLE_Pos 0 /*!< MPU RASR: Region enable bit Position */
|
||
|
|
#define MPU_RASR_ENABLE_Msk (1UL << MPU_RASR_ENABLE_Pos) /*!< MPU RASR: Region enable bit Disable Mask */
|
||
|
|
|
||
|
|
/*@} end of group CMSIS_MPU */
|
||
|
|
#endif
|
||
|
|
|
||
|
|
|
||
|
|
/** \ingroup CMSIS_core_register
|
||
|
|
\defgroup CMSIS_CoreDebug Core Debug Registers (CoreDebug)
|
||
|
|
\brief Cortex-M0+ Core Debug Registers (DCB registers, SHCSR, and DFSR)
|
||
|
|
are only accessible over DAP and not via processor. Therefore
|
||
|
|
they are not covered by the Cortex-M0 header file.
|
||
|
|
@{
|
||
|
|
*/
|
||
|
|
/*@} end of group CMSIS_CoreDebug */
|
||
|
|
|
||
|
|
|
||
|
|
/** \ingroup CMSIS_core_register
|
||
|
|
\defgroup CMSIS_core_base Core Definitions
|
||
|
|
\brief Definitions for base addresses, unions, and structures.
|
||
|
|
@{
|
||
|
|
*/
|
||
|
|
|
||
|
|
/* Memory mapping of Cortex-M0+ Hardware */
|
||
|
|
#define SCS_BASE (0xE000E000UL) /*!< System Control Space Base Address */
|
||
|
|
#define SysTick_BASE (SCS_BASE + 0x0010UL) /*!< SysTick Base Address */
|
||
|
|
#define NVIC_BASE (SCS_BASE + 0x0100UL) /*!< NVIC Base Address */
|
||
|
|
#define SCB_BASE (SCS_BASE + 0x0D00UL) /*!< System Control Block Base Address */
|
||
|
|
|
||
|
|
#define SCB ((SCB_Type *) SCB_BASE ) /*!< SCB configuration struct */
|
||
|
|
#define SysTick ((SysTick_Type *) SysTick_BASE ) /*!< SysTick configuration struct */
|
||
|
|
#define NVIC ((NVIC_Type *) NVIC_BASE ) /*!< NVIC configuration struct */
|
||
|
|
|
||
|
|
#if (__MPU_PRESENT == 1)
|
||
|
|
#define MPU_BASE (SCS_BASE + 0x0D90UL) /*!< Memory Protection Unit */
|
||
|
|
#define MPU ((MPU_Type *) MPU_BASE ) /*!< Memory Protection Unit */
|
||
|
|
#endif
|
||
|
|
|
||
|
|
/*@} */
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
/*******************************************************************************
|
||
|
|
* Hardware Abstraction Layer
|
||
|
|
Core Function Interface contains:
|
||
|
|
- Core NVIC Functions
|
||
|
|
- Core SysTick Functions
|
||
|
|
- Core Register Access Functions
|
||
|
|
******************************************************************************/
|
||
|
|
/** \defgroup CMSIS_Core_FunctionInterface Functions and Instructions Reference
|
||
|
|
*/
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
/* ########################## NVIC functions #################################### */
|
||
|
|
/** \ingroup CMSIS_Core_FunctionInterface
|
||
|
|
\defgroup CMSIS_Core_NVICFunctions NVIC Functions
|
||
|
|
\brief Functions that manage interrupts and exceptions via the NVIC.
|
||
|
|
@{
|
||
|
|
*/
|
||
|
|
|
||
|
|
/* Interrupt Priorities are WORD accessible only under ARMv6M */
|
||
|
|
/* The following MACROS handle generation of the register offset and byte masks */
|
||
|
|
#define _BIT_SHIFT(IRQn) ( (((uint32_t)(IRQn) ) & 0x03) * 8 )
|
||
|
|
#define _SHP_IDX(IRQn) ( ((((uint32_t)(IRQn) & 0x0F)-8) >> 2) )
|
||
|
|
#define _IP_IDX(IRQn) ( ((uint32_t)(IRQn) >> 2) )
|
||
|
|
|
||
|
|
|
||
|
|
/** \brief Enable External Interrupt
|
||
|
|
|
||
|
|
The function enables a device-specific interrupt in the NVIC interrupt controller.
|
||
|
|
|
||
|
|
\param [in] IRQn External interrupt number. Value cannot be negative.
|
||
|
|
*/
|
||
|
|
__STATIC_INLINE void NVIC_EnableIRQ(IRQn_Type IRQn)
|
||
|
|
{
|
||
|
|
NVIC->ISER[0] = (1 << ((uint32_t)(IRQn) & 0x1F));
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
/** \brief Disable External Interrupt
|
||
|
|
|
||
|
|
The function disables a device-specific interrupt in the NVIC interrupt controller.
|
||
|
|
|
||
|
|
\param [in] IRQn External interrupt number. Value cannot be negative.
|
||
|
|
*/
|
||
|
|
__STATIC_INLINE void NVIC_DisableIRQ(IRQn_Type IRQn)
|
||
|
|
{
|
||
|
|
NVIC->ICER[0] = (1 << ((uint32_t)(IRQn) & 0x1F));
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
/** \brief Get Pending Interrupt
|
||
|
|
|
||
|
|
The function reads the pending register in the NVIC and returns the pending bit
|
||
|
|
for the specified interrupt.
|
||
|
|
|
||
|
|
\param [in] IRQn Interrupt number.
|
||
|
|
|
||
|
|
\return 0 Interrupt status is not pending.
|
||
|
|
\return 1 Interrupt status is pending.
|
||
|
|
*/
|
||
|
|
__STATIC_INLINE uint32_t NVIC_GetPendingIRQ(IRQn_Type IRQn)
|
||
|
|
{
|
||
|
|
return((uint32_t) ((NVIC->ISPR[0] & (1 << ((uint32_t)(IRQn) & 0x1F)))?1:0));
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
/** \brief Set Pending Interrupt
|
||
|
|
|
||
|
|
The function sets the pending bit of an external interrupt.
|
||
|
|
|
||
|
|
\param [in] IRQn Interrupt number. Value cannot be negative.
|
||
|
|
*/
|
||
|
|
__STATIC_INLINE void NVIC_SetPendingIRQ(IRQn_Type IRQn)
|
||
|
|
{
|
||
|
|
NVIC->ISPR[0] = (1 << ((uint32_t)(IRQn) & 0x1F));
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
/** \brief Clear Pending Interrupt
|
||
|
|
|
||
|
|
The function clears the pending bit of an external interrupt.
|
||
|
|
|
||
|
|
\param [in] IRQn External interrupt number. Value cannot be negative.
|
||
|
|
*/
|
||
|
|
__STATIC_INLINE void NVIC_ClearPendingIRQ(IRQn_Type IRQn)
|
||
|
|
{
|
||
|
|
NVIC->ICPR[0] = (1 << ((uint32_t)(IRQn) & 0x1F)); /* Clear pending interrupt */
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
/** \brief Set Interrupt Priority
|
||
|
|
|
||
|
|
The function sets the priority of an interrupt.
|
||
|
|
|
||
|
|
\note The priority cannot be set for every core interrupt.
|
||
|
|
|
||
|
|
\param [in] IRQn Interrupt number.
|
||
|
|
\param [in] priority Priority to set.
|
||
|
|
*/
|
||
|
|
__STATIC_INLINE void NVIC_SetPriority(IRQn_Type IRQn, uint32_t priority)
|
||
|
|
{
|
||
|
|
if(IRQn < 0) {
|
||
|
|
SCB->SHP[_SHP_IDX(IRQn)] = (SCB->SHP[_SHP_IDX(IRQn)] & ~(0xFF << _BIT_SHIFT(IRQn))) |
|
||
|
|
(((priority << (8 - __NVIC_PRIO_BITS)) & 0xFF) << _BIT_SHIFT(IRQn)); }
|
||
|
|
else {
|
||
|
|
NVIC->IP[_IP_IDX(IRQn)] = (NVIC->IP[_IP_IDX(IRQn)] & ~(0xFF << _BIT_SHIFT(IRQn))) |
|
||
|
|
(((priority << (8 - __NVIC_PRIO_BITS)) & 0xFF) << _BIT_SHIFT(IRQn)); }
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
/** \brief Get Interrupt Priority
|
||
|
|
|
||
|
|
The function reads the priority of an interrupt. The interrupt
|
||
|
|
number can be positive to specify an external (device specific)
|
||
|
|
interrupt, or negative to specify an internal (core) interrupt.
|
||
|
|
|
||
|
|
|
||
|
|
\param [in] IRQn Interrupt number.
|
||
|
|
\return Interrupt Priority. Value is aligned automatically to the implemented
|
||
|
|
priority bits of the microcontroller.
|
||
|
|
*/
|
||
|
|
__STATIC_INLINE uint32_t NVIC_GetPriority(IRQn_Type IRQn)
|
||
|
|
{
|
||
|
|
|
||
|
|
if(IRQn < 0) {
|
||
|
|
return((uint32_t)(((SCB->SHP[_SHP_IDX(IRQn)] >> _BIT_SHIFT(IRQn) ) & 0xFF) >> (8 - __NVIC_PRIO_BITS))); } /* get priority for Cortex-M0 system interrupts */
|
||
|
|
else {
|
||
|
|
return((uint32_t)(((NVIC->IP[ _IP_IDX(IRQn)] >> _BIT_SHIFT(IRQn) ) & 0xFF) >> (8 - __NVIC_PRIO_BITS))); } /* get priority for device specific interrupts */
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
/** \brief System Reset
|
||
|
|
|
||
|
|
The function initiates a system reset request to reset the MCU.
|
||
|
|
*/
|
||
|
|
__STATIC_INLINE void NVIC_SystemReset(void)
|
||
|
|
{
|
||
|
|
__DSB(); /* Ensure all outstanding memory accesses included
|
||
|
|
buffered write are completed before reset */
|
||
|
|
SCB->AIRCR = ((0x5FA << SCB_AIRCR_VECTKEY_Pos) |
|
||
|
|
SCB_AIRCR_SYSRESETREQ_Msk);
|
||
|
|
__DSB(); /* Ensure completion of memory access */
|
||
|
|
while(1); /* wait until reset */
|
||
|
|
}
|
||
|
|
|
||
|
|
/*@} end of CMSIS_Core_NVICFunctions */
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
/* ################################## SysTick function ############################################ */
|
||
|
|
/** \ingroup CMSIS_Core_FunctionInterface
|
||
|
|
\defgroup CMSIS_Core_SysTickFunctions SysTick Functions
|
||
|
|
\brief Functions that configure the System.
|
||
|
|
@{
|
||
|
|
*/
|
||
|
|
|
||
|
|
#if (__Vendor_SysTickConfig == 0)
|
||
|
|
|
||
|
|
/** \brief System Tick Configuration
|
||
|
|
|
||
|
|
The function initializes the System Timer and its interrupt, and starts the System Tick Timer.
|
||
|
|
Counter is in free running mode to generate periodic interrupts.
|
||
|
|
|
||
|
|
\param [in] ticks Number of ticks between two interrupts.
|
||
|
|
|
||
|
|
\return 0 Function succeeded.
|
||
|
|
\return 1 Function failed.
|
||
|
|
|
||
|
|
\note When the variable <b>__Vendor_SysTickConfig</b> is set to 1, then the
|
||
|
|
function <b>SysTick_Config</b> is not included. In this case, the file <b><i>device</i>.h</b>
|
||
|
|
must contain a vendor-specific implementation of this function.
|
||
|
|
|
||
|
|
*/
|
||
|
|
__STATIC_INLINE uint32_t SysTick_Config(uint32_t ticks)
|
||
|
|
{
|
||
|
|
if ((ticks - 1) > SysTick_LOAD_RELOAD_Msk) return (1); /* Reload value impossible */
|
||
|
|
|
||
|
|
SysTick->LOAD = ticks - 1; /* set reload register */
|
||
|
|
NVIC_SetPriority (SysTick_IRQn, (1<<__NVIC_PRIO_BITS) - 1); /* set Priority for Systick Interrupt */
|
||
|
|
SysTick->VAL = 0; /* Load the SysTick Counter Value */
|
||
|
|
SysTick->CTRL = SysTick_CTRL_CLKSOURCE_Msk |
|
||
|
|
SysTick_CTRL_TICKINT_Msk |
|
||
|
|
SysTick_CTRL_ENABLE_Msk; /* Enable SysTick IRQ and SysTick Timer */
|
||
|
|
return (0); /* Function successful */
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif
|
||
|
|
|
||
|
|
/*@} end of CMSIS_Core_SysTickFunctions */
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
#ifdef __cplusplus
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#endif /* __CORE_CM0PLUS_H_DEPENDANT */
|
||
|
|
|
||
|
|
#endif /* __CMSIS_GENERIC */
|