/* * Copyright (c) 2006-2018, RT-Thread Development Team * * SPDX-License-Identifier: Apache-2.0 * * Change Logs: * Date Author Notes * 2007-01-10 Bernard the first version * 2008-07-12 Bernard remove all rt_int8, rt_uint32_t etc typedef * 2010-10-26 yi.qiu add module support * 2010-11-10 Bernard add cleanup callback function in thread exit. * 2011-05-09 Bernard use builtin va_arg in GCC 4.x * 2012-11-16 Bernard change RT_NULL from ((void*)0) to 0. * 2012-12-29 Bernard change the RT_USING_MEMPOOL location and add * RT_USING_MEMHEAP condition. * 2012-12-30 Bernard add more control command for graphic. * 2013-01-09 Bernard change version number. * 2015-02-01 Bernard change version number to v2.1.0 * 2017-08-31 Bernard change version number to v3.0.0 * 2017-11-30 Bernard change version number to v3.0.1 * 2017-12-27 Bernard change version number to v3.0.2 * 2018-02-24 Bernard change version number to v3.0.3 * 2018-04-25 Bernard change version number to v3.0.4 * 2018-05-31 Bernard change version number to v3.1.0 * 2018-09-04 Bernard change version number to v3.1.1 * 2018-09-14 Bernard apply Apache License v2.0 to RT-Thread Kernel * 2018-10-13 Bernard change version number to v4.0.0 * 2018-10-02 Bernard add 64bit arch support * 2018-11-22 Jesven add smp member to struct rt_thread * add struct rt_cpu * add smp relevant macros * 2019-01-27 Bernard change version number to v4.0.1 * 2019-05-17 Bernard change version number to v4.0.2 * 2019-12-20 Bernard change version number to v4.0.3 */ #ifndef __RT_DEF_H__ #define __RT_DEF_H__ /* include rtconfig header to import configuration */ #include #ifdef __cplusplus extern "C" { #endif /** * @addtogroup BasicDef */ /**@{*/ /* RT-Thread version information */ #define RT_VERSION 4L /**< major version number */ #define RT_SUBVERSION 0L /**< minor version number */ #define RT_REVISION 3L /**< revise version number */ /* RT-Thread version */ #define RTTHREAD_VERSION ((RT_VERSION * 10000) + \ (RT_SUBVERSION * 100) + RT_REVISION) /* RT-Thread basic data type definitions */ #ifndef RT_USING_ARCH_DATA_TYPE typedef signed char rt_int8_t; /**< 8bit integer type */ typedef signed short rt_int16_t; /**< 16bit integer type */ typedef signed int rt_int32_t; /**< 32bit integer type */ typedef unsigned char rt_uint8_t; /**< 8bit unsigned integer type */ typedef unsigned short rt_uint16_t; /**< 16bit unsigned integer type */ typedef unsigned int rt_uint32_t; /**< 32bit unsigned integer type */ #ifdef ARCH_CPU_64BIT typedef signed long rt_int64_t; /**< 64bit integer type */ typedef unsigned long rt_uint64_t; /**< 64bit unsigned integer type */ #else typedef signed long long rt_int64_t; /**< 64bit integer type */ typedef unsigned long long rt_uint64_t; /**< 64bit unsigned integer type */ #endif #endif typedef int rt_bool_t; /**< boolean type */ typedef long rt_base_t; /**< Nbit CPU related date type */ typedef unsigned long rt_ubase_t; /**< Nbit unsigned CPU related data type */ typedef rt_base_t rt_err_t; /**< Type for error number */ typedef rt_uint32_t rt_time_t; /**< Type for time stamp */ typedef rt_uint32_t rt_tick_t; /**< Type for tick count */ typedef rt_base_t rt_flag_t; /**< Type for flags */ typedef rt_ubase_t rt_size_t; /**< Type for size number */ typedef rt_ubase_t rt_dev_t; /**< Type for device */ typedef rt_base_t rt_off_t; /**< Type for offset */ /* boolean type definitions */ #define RT_TRUE 1 /**< boolean true */ #define RT_FALSE 0 /**< boolean fails */ /**@}*/ /* maximum value of base type */ #define RT_UINT8_MAX 0xff /**< Maxium number of UINT8 */ #define RT_UINT16_MAX 0xffff /**< Maxium number of UINT16 */ #define RT_UINT32_MAX 0xffffffff /**< Maxium number of UINT32 */ #define RT_TICK_MAX RT_UINT32_MAX /**< Maxium number of tick */ #if defined (__ARMCC_VERSION) && (__ARMCC_VERSION >= 6010050) #define __CLANG_ARM #endif /* Compiler Related Definitions */ #if defined(__CC_ARM) || defined(__CLANG_ARM) /* ARM Compiler */ #include #define SECTION(x) __attribute__((section(x))) #define RT_UNUSED __attribute__((unused)) #define RT_USED __attribute__((used)) #define ALIGN(n) __attribute__((aligned(n))) #define RT_WEAK __attribute__((weak)) #define rt_inline static __inline /* module compiling */ #ifdef RT_USING_MODULE #define RTT_API __declspec(dllimport) #else #define RTT_API __declspec(dllexport) #endif #elif defined (__IAR_SYSTEMS_ICC__) /* for IAR Compiler */ #include #define SECTION(x) @ x #define RT_UNUSED #define RT_USED __root #define PRAGMA(x) _Pragma(#x) #define ALIGN(n) PRAGMA(data_alignment=n) #define RT_WEAK __weak #define rt_inline static inline #define RTT_API #elif defined (__GNUC__) /* GNU GCC Compiler */ #ifdef RT_USING_NEWLIB #include #else /* the version of GNU GCC must be greater than 4.x */ typedef __builtin_va_list __gnuc_va_list; typedef __gnuc_va_list va_list; #define va_start(v,l) __builtin_va_start(v,l) #define va_end(v) __builtin_va_end(v) #define va_arg(v,l) __builtin_va_arg(v,l) #endif #define SECTION(x) __attribute__((section(x))) #define RT_UNUSED __attribute__((unused)) #define RT_USED __attribute__((used)) #define ALIGN(n) __attribute__((aligned(n))) #define RT_WEAK __attribute__((weak)) #define rt_inline static __inline #define RTT_API #elif defined (__ADSPBLACKFIN__) /* for VisualDSP++ Compiler */ #include #define SECTION(x) __attribute__((section(x))) #define RT_UNUSED __attribute__((unused)) #define RT_USED __attribute__((used)) #define ALIGN(n) __attribute__((aligned(n))) #define RT_WEAK __attribute__((weak)) #define rt_inline static inline #define RTT_API #elif defined (_MSC_VER) #include #define SECTION(x) #define RT_UNUSED #define RT_USED #define ALIGN(n) __declspec(align(n)) #define RT_WEAK #define rt_inline static __inline #define RTT_API #elif defined (__TI_COMPILER_VERSION__) #include /* The way that TI compiler set section is different from other(at least * GCC and MDK) compilers. See ARM Optimizing C/C++ Compiler 5.9.3 for more * details. */ #define SECTION(x) #define RT_UNUSED #define RT_USED #define PRAGMA(x) _Pragma(#x) #define ALIGN(n) #define RT_WEAK #define rt_inline static inline #define RTT_API #else #error not supported tool chain #endif /* initialization export */ #ifdef RT_USING_COMPONENTS_INIT typedef int (*init_fn_t)(void); #ifdef _MSC_VER /* we do not support MS VC++ compiler */ #define INIT_EXPORT(fn, level) #else #if RT_DEBUG_INIT struct rt_init_desc { const char* fn_name; const init_fn_t fn; }; #define INIT_EXPORT(fn, level) \ const char __rti_##fn##_name[] = #fn; \ RT_USED const struct rt_init_desc __rt_init_desc_##fn SECTION(".rti_fn." level) = \ { __rti_##fn##_name, fn}; #else #define INIT_EXPORT(fn, level) \ RT_USED const init_fn_t __rt_init_##fn SECTION(".rti_fn." level) = fn #endif #endif #else #define INIT_EXPORT(fn, level) #endif /* board init routines will be called in board_init() function */ #define INIT_BOARD_EXPORT(fn) INIT_EXPORT(fn, "1") /* pre/device/component/env/app init routines will be called in init_thread */ /* components pre-initialization (pure software initilization) */ #define INIT_PREV_EXPORT(fn) INIT_EXPORT(fn, "2") /* device initialization */ #define INIT_DEVICE_EXPORT(fn) INIT_EXPORT(fn, "3") /* components initialization (dfs, lwip, ...) */ #define INIT_COMPONENT_EXPORT(fn) INIT_EXPORT(fn, "4") /* environment initialization (mount disk, ...) */ #define INIT_ENV_EXPORT(fn) INIT_EXPORT(fn, "5") /* appliation initialization (rtgui application etc ...) */ #define INIT_APP_EXPORT(fn) INIT_EXPORT(fn, "6") #if !defined(RT_USING_FINSH) /* define these to empty, even if not include finsh.h file */ #define FINSH_FUNCTION_EXPORT(name, desc) #define FINSH_FUNCTION_EXPORT_ALIAS(name, alias, desc) #define FINSH_VAR_EXPORT(name, type, desc) #define MSH_CMD_EXPORT(command, desc) #define MSH_CMD_EXPORT_ALIAS(command, alias, desc) #elif !defined(FINSH_USING_SYMTAB) #define FINSH_FUNCTION_EXPORT_CMD(name, cmd, desc) #endif /* event length */ #define RT_EVENT_LENGTH 32 /* memory management option */ #define RT_MM_PAGE_SIZE 4096 #define RT_MM_PAGE_MASK (RT_MM_PAGE_SIZE - 1) #define RT_MM_PAGE_BITS 12 /* kernel malloc definitions */ #ifndef RT_KERNEL_MALLOC #define RT_KERNEL_MALLOC(sz) rt_malloc(sz) #endif #ifndef RT_KERNEL_FREE #define RT_KERNEL_FREE(ptr) rt_free(ptr) #endif #ifndef RT_KERNEL_REALLOC #define RT_KERNEL_REALLOC(ptr, size) rt_realloc(ptr, size) #endif /** * @addtogroup Error */ /**@{*/ /* RT-Thread error code definitions */ #define RT_EOK 0 /**< There is no error */ #define RT_ERROR 1 /**< A generic error happens */ #define RT_ETIMEOUT 2 /**< Timed out */ #define RT_EFULL 3 /**< The resource is full */ #define RT_EEMPTY 4 /**< The resource is empty */ #define RT_ENOMEM 5 /**< No memory */ #define RT_ENOSYS 6 /**< No system */ #define RT_EBUSY 7 /**< Busy */ #define RT_EIO 8 /**< IO error */ #define RT_EINTR 9 /**< Interrupted system call */ #define RT_EINVAL 10 /**< Invalid argument */ /**@}*/ /** * @ingroup BasicDef * * @def RT_ALIGN(size, align) * Return the most contiguous size aligned at specified width. RT_ALIGN(13, 4) * would return 16. */ #define RT_ALIGN(size, align) (((size) + (align) - 1) & ~((align) - 1)) /** * @ingroup BasicDef * * @def RT_ALIGN_DOWN(size, align) * Return the down number of aligned at specified width. RT_ALIGN_DOWN(13, 4) * would return 12. */ #define RT_ALIGN_DOWN(size, align) ((size) & ~((align) - 1)) /** * @ingroup BasicDef * * @def RT_NULL * Similar as the \c NULL in C library. */ #define RT_NULL (0) /** * Double List structure */ struct rt_list_node { struct rt_list_node *next; /**< point to next node. */ struct rt_list_node *prev; /**< point to prev node. */ }; typedef struct rt_list_node rt_list_t; /**< Type for lists. */ /** * Single List structure */ struct rt_slist_node { struct rt_slist_node *next; /**< point to next node. */ }; typedef struct rt_slist_node rt_slist_t; /**< Type for single list. */ /** * @addtogroup KernelObject */ /**@{*/ /* * kernel object macros */ #define RT_OBJECT_FLAG_MODULE 0x80 /**< is module object. */ /** * Base structure of Kernel object */ struct rt_object { char name[RT_NAME_MAX]; /**< name of kernel object */ rt_uint8_t type; /**< type of kernel object */ rt_uint8_t flag; /**< flag of kernel object */ #ifdef RT_USING_MODULE void *module_id; /**< id of application module */ #endif rt_list_t list; /**< list node of kernel object */ }; typedef struct rt_object *rt_object_t; /**< Type for kernel objects. */ /** * The object type can be one of the follows with specific * macros enabled: * - Thread * - Semaphore * - Mutex * - Event * - MailBox * - MessageQueue * - MemHeap * - MemPool * - Device * - Timer * - Module * - Unknown * - Static */ enum rt_object_class_type { RT_Object_Class_Null = 0x00, /**< The object is not used. */ RT_Object_Class_Thread = 0x01, /**< The object is a thread. */ RT_Object_Class_Semaphore = 0x02, /**< The object is a semaphore. */ RT_Object_Class_Mutex = 0x03, /**< The object is a mutex. */ RT_Object_Class_Event = 0x04, /**< The object is a event. */ RT_Object_Class_MailBox = 0x05, /**< The object is a mail box. */ RT_Object_Class_MessageQueue = 0x06, /**< The object is a message queue. */ RT_Object_Class_MemHeap = 0x07, /**< The object is a memory heap. */ RT_Object_Class_MemPool = 0x08, /**< The object is a memory pool. */ RT_Object_Class_Device = 0x09, /**< The object is a device. */ RT_Object_Class_Timer = 0x0a, /**< The object is a timer. */ RT_Object_Class_Module = 0x0b, /**< The object is a module. */ RT_Object_Class_Unknown = 0x0c, /**< The object is unknown. */ RT_Object_Class_Static = 0x80 /**< The object is a static object. */ }; /** * The information of the kernel object */ struct rt_object_information { enum rt_object_class_type type; /**< object class type */ rt_list_t object_list; /**< object list */ rt_size_t object_size; /**< object size */ }; /** * The hook function call macro */ #ifdef RT_USING_HOOK #define RT_OBJECT_HOOK_CALL(func, argv) \ do { if ((func) != RT_NULL) func argv; } while (0) #else #define RT_OBJECT_HOOK_CALL(func, argv) #endif /**@}*/ /** * @addtogroup Clock */ /**@{*/ /** * clock & timer macros */ #define RT_TIMER_FLAG_DEACTIVATED 0x0 /**< timer is deactive */ #define RT_TIMER_FLAG_ACTIVATED 0x1 /**< timer is active */ #define RT_TIMER_FLAG_ONE_SHOT 0x0 /**< one shot timer */ #define RT_TIMER_FLAG_PERIODIC 0x2 /**< periodic timer */ #define RT_TIMER_FLAG_HARD_TIMER 0x0 /**< hard timer,the timer's callback function will be called in tick isr. */ #define RT_TIMER_FLAG_SOFT_TIMER 0x4 /**< soft timer,the timer's callback function will be called in timer thread. */ #define RT_TIMER_CTRL_SET_TIME 0x0 /**< set timer control command */ #define RT_TIMER_CTRL_GET_TIME 0x1 /**< get timer control command */ #define RT_TIMER_CTRL_SET_ONESHOT 0x2 /**< change timer to one shot */ #define RT_TIMER_CTRL_SET_PERIODIC 0x3 /**< change timer to periodic */ #define RT_TIMER_CTRL_GET_STATE 0x4 /**< get timer run state active or deactive*/ #ifndef RT_TIMER_SKIP_LIST_LEVEL #define RT_TIMER_SKIP_LIST_LEVEL 1 #endif /* 1 or 3 */ #ifndef RT_TIMER_SKIP_LIST_MASK #define RT_TIMER_SKIP_LIST_MASK 0x3 #endif /** * timer structure */ struct rt_timer { struct rt_object parent; /**< inherit from rt_object */ rt_list_t row[RT_TIMER_SKIP_LIST_LEVEL]; void (*timeout_func)(void *parameter); /**< timeout function */ void *parameter; /**< timeout function's parameter */ rt_tick_t init_tick; /**< timer timeout tick */ rt_tick_t timeout_tick; /**< timeout tick */ }; typedef struct rt_timer *rt_timer_t; /**@}*/ /** * @addtogroup Signal */ #ifdef RT_USING_SIGNALS #include typedef unsigned long rt_sigset_t; typedef void (*rt_sighandler_t)(int signo); typedef siginfo_t rt_siginfo_t; #define RT_SIG_MAX 32 #endif /**@}*/ /** * @addtogroup Thread */ /**@{*/ /* * Thread */ /* * thread state definitions */ #define RT_THREAD_INIT 0x00 /**< Initialized status */ #define RT_THREAD_READY 0x01 /**< Ready status */ #define RT_THREAD_SUSPEND 0x02 /**< Suspend status */ #define RT_THREAD_RUNNING 0x03 /**< Running status */ #define RT_THREAD_BLOCK RT_THREAD_SUSPEND /**< Blocked status */ #define RT_THREAD_CLOSE 0x04 /**< Closed status */ #define RT_THREAD_STAT_MASK 0x07 #define RT_THREAD_STAT_YIELD 0x08 /**< indicate whether remaining_tick has been reloaded since last schedule */ #define RT_THREAD_STAT_YIELD_MASK RT_THREAD_STAT_YIELD #define RT_THREAD_STAT_SIGNAL 0x10 /**< task hold signals */ #define RT_THREAD_STAT_SIGNAL_READY (RT_THREAD_STAT_SIGNAL | RT_THREAD_READY) #define RT_THREAD_STAT_SIGNAL_WAIT 0x20 /**< task is waiting for signals */ #define RT_THREAD_STAT_SIGNAL_PENDING 0x40 /**< signals is held and it has not been procressed */ #define RT_THREAD_STAT_SIGNAL_MASK 0xf0 /** * thread control command definitions */ #define RT_THREAD_CTRL_STARTUP 0x00 /**< Startup thread. */ #define RT_THREAD_CTRL_CLOSE 0x01 /**< Close thread. */ #define RT_THREAD_CTRL_CHANGE_PRIORITY 0x02 /**< Change thread priority. */ #define RT_THREAD_CTRL_INFO 0x03 /**< Get thread information. */ #define RT_THREAD_CTRL_BIND_CPU 0x04 /**< Set thread bind cpu. */ #ifdef RT_USING_SMP #define RT_CPU_DETACHED RT_CPUS_NR /**< The thread not running on cpu. */ #define RT_CPU_MASK ((1 << RT_CPUS_NR) - 1) /**< All CPUs mask bit. */ #ifndef RT_SCHEDULE_IPI #define RT_SCHEDULE_IPI 0 #endif /** * CPUs definitions * */ struct rt_cpu { struct rt_thread *current_thread; rt_uint16_t irq_nest; rt_uint8_t irq_switch_flag; rt_uint8_t current_priority; rt_list_t priority_table[RT_THREAD_PRIORITY_MAX]; #if RT_THREAD_PRIORITY_MAX > 32 rt_uint32_t priority_group; rt_uint8_t ready_table[32]; #else rt_uint32_t priority_group; #endif rt_tick_t tick; }; #endif /** * Thread structure */ struct rt_thread { /* rt object */ char name[RT_NAME_MAX]; /**< the name of thread */ rt_uint8_t type; /**< type of object */ rt_uint8_t flags; /**< thread's flags */ #ifdef RT_USING_MODULE void *module_id; /**< id of application module */ #endif rt_list_t list; /**< the object list */ rt_list_t tlist; /**< the thread list */ /* stack point and entry */ void *sp; /**< stack point */ void *entry; /**< entry */ void *parameter; /**< parameter */ void *stack_addr; /**< stack address */ rt_uint32_t stack_size; /**< stack size */ /* error code */ rt_err_t error; /**< error code */ rt_uint8_t stat; /**< thread status */ #ifdef RT_USING_SMP rt_uint8_t bind_cpu; /**< thread is bind to cpu */ rt_uint8_t oncpu; /**< process on cpu` */ rt_uint16_t scheduler_lock_nest; /**< scheduler lock count */ rt_uint16_t cpus_lock_nest; /**< cpus lock count */ rt_uint16_t critical_lock_nest; /**< critical lock count */ #endif /*RT_USING_SMP*/ /* priority */ rt_uint8_t current_priority; /**< current priority */ rt_uint8_t init_priority; /**< initialized priority */ #if RT_THREAD_PRIORITY_MAX > 32 rt_uint8_t number; rt_uint8_t high_mask; #endif rt_uint32_t number_mask; #if defined(RT_USING_EVENT) /* thread event */ rt_uint32_t event_set; rt_uint8_t event_info; #endif #if defined(RT_USING_SIGNALS) rt_sigset_t sig_pending; /**< the pending signals */ rt_sigset_t sig_mask; /**< the mask bits of signal */ #ifndef RT_USING_SMP void *sig_ret; /**< the return stack pointer from signal */ #endif rt_sighandler_t *sig_vectors; /**< vectors of signal handler */ void *si_list; /**< the signal infor list */ #endif rt_ubase_t init_tick; /**< thread's initialized tick */ rt_ubase_t remaining_tick; /**< remaining tick */ struct rt_timer thread_timer; /**< built-in thread timer */ void (*cleanup)(struct rt_thread *tid); /**< cleanup function when thread exit */ /* light weight process if present */ #ifdef RT_USING_LWP void *lwp; #endif rt_ubase_t user_data; /**< private user data beyond this thread */ }; typedef struct rt_thread *rt_thread_t; /**@}*/ /** * @addtogroup IPC */ /**@{*/ /** * IPC flags and control command definitions */ #define RT_IPC_FLAG_FIFO 0x00 /**< FIFOed IPC. @ref IPC. */ #define RT_IPC_FLAG_PRIO 0x01 /**< PRIOed IPC. @ref IPC. */ #define RT_IPC_CMD_UNKNOWN 0x00 /**< unknown IPC command */ #define RT_IPC_CMD_RESET 0x01 /**< reset IPC object */ #define RT_WAITING_FOREVER -1 /**< Block forever until get resource. */ #define RT_WAITING_NO 0 /**< Non-block. */ /** * Base structure of IPC object */ struct rt_ipc_object { struct rt_object parent; /**< inherit from rt_object */ rt_list_t suspend_thread; /**< threads pended on this resource */ }; #ifdef RT_USING_SEMAPHORE /** * Semaphore structure */ struct rt_semaphore { struct rt_ipc_object parent; /**< inherit from ipc_object */ rt_uint16_t value; /**< value of semaphore. */ rt_uint16_t reserved; /**< reserved field */ }; typedef struct rt_semaphore *rt_sem_t; #endif #ifdef RT_USING_MUTEX /** * Mutual exclusion (mutex) structure */ struct rt_mutex { struct rt_ipc_object parent; /**< inherit from ipc_object */ rt_uint16_t value; /**< value of mutex */ rt_uint8_t original_priority; /**< priority of last thread hold the mutex */ rt_uint8_t hold; /**< numbers of thread hold the mutex */ struct rt_thread *owner; /**< current owner of mutex */ }; typedef struct rt_mutex *rt_mutex_t; #endif #ifdef RT_USING_EVENT /** * flag defintions in event */ #define RT_EVENT_FLAG_AND 0x01 /**< logic and */ #define RT_EVENT_FLAG_OR 0x02 /**< logic or */ #define RT_EVENT_FLAG_CLEAR 0x04 /**< clear flag */ /* * event structure */ struct rt_event { struct rt_ipc_object parent; /**< inherit from ipc_object */ rt_uint32_t set; /**< event set */ }; typedef struct rt_event *rt_event_t; #endif #ifdef RT_USING_MAILBOX /** * mailbox structure */ struct rt_mailbox { struct rt_ipc_object parent; /**< inherit from ipc_object */ rt_ubase_t *msg_pool; /**< start address of message buffer */ rt_uint16_t size; /**< size of message pool */ rt_uint16_t entry; /**< index of messages in msg_pool */ rt_uint16_t in_offset; /**< input offset of the message buffer */ rt_uint16_t out_offset; /**< output offset of the message buffer */ rt_list_t suspend_sender_thread; /**< sender thread suspended on this mailbox */ }; typedef struct rt_mailbox *rt_mailbox_t; #endif #ifdef RT_USING_MESSAGEQUEUE /** * message queue structure */ struct rt_messagequeue { struct rt_ipc_object parent; /**< inherit from ipc_object */ void *msg_pool; /**< start address of message queue */ rt_uint16_t msg_size; /**< message size of each message */ rt_uint16_t max_msgs; /**< max number of messages */ rt_uint16_t entry; /**< index of messages in the queue */ void *msg_queue_head; /**< list head */ void *msg_queue_tail; /**< list tail */ void *msg_queue_free; /**< pointer indicated the free node of queue */ rt_list_t suspend_sender_thread; /**< sender thread suspended on this message queue */ }; typedef struct rt_messagequeue *rt_mq_t; #endif /**@}*/ /** * @addtogroup MM */ /**@{*/ /* * memory management * heap & partition */ #ifdef RT_USING_MEMHEAP /** * memory item on the heap */ struct rt_memheap_item { rt_uint32_t magic; /**< magic number for memheap */ struct rt_memheap *pool_ptr; /**< point of pool */ struct rt_memheap_item *next; /**< next memheap item */ struct rt_memheap_item *prev; /**< prev memheap item */ struct rt_memheap_item *next_free; /**< next free memheap item */ struct rt_memheap_item *prev_free; /**< prev free memheap item */ }; /** * Base structure of memory heap object */ struct rt_memheap { struct rt_object parent; /**< inherit from rt_object */ void *start_addr; /**< pool start address and size */ rt_uint32_t pool_size; /**< pool size */ rt_uint32_t available_size; /**< available size */ rt_uint32_t max_used_size; /**< maximum allocated size */ struct rt_memheap_item *block_list; /**< used block list */ struct rt_memheap_item *free_list; /**< free block list */ struct rt_memheap_item free_header; /**< free block list header */ struct rt_semaphore lock; /**< semaphore lock */ }; #endif #ifdef RT_USING_MEMPOOL /** * Base structure of Memory pool object */ struct rt_mempool { struct rt_object parent; /**< inherit from rt_object */ void *start_address; /**< memory pool start */ rt_size_t size; /**< size of memory pool */ rt_size_t block_size; /**< size of memory blocks */ rt_uint8_t *block_list; /**< memory blocks list */ rt_size_t block_total_count; /**< numbers of memory block */ rt_size_t block_free_count; /**< numbers of free memory block */ rt_list_t suspend_thread; /**< threads pended on this resource */ }; typedef struct rt_mempool *rt_mp_t; #endif /**@}*/ #ifdef RT_USING_DEVICE /** * @addtogroup Device */ /**@{*/ /** * device (I/O) class type */ enum rt_device_class_type { RT_Device_Class_Char = 0, /**< character device */ RT_Device_Class_Block, /**< block device */ RT_Device_Class_NetIf, /**< net interface */ RT_Device_Class_MTD, /**< memory device */ RT_Device_Class_CAN, /**< CAN device */ RT_Device_Class_RTC, /**< RTC device */ RT_Device_Class_Sound, /**< Sound device */ RT_Device_Class_Graphic, /**< Graphic device */ RT_Device_Class_I2CBUS, /**< I2C bus device */ RT_Device_Class_USBDevice, /**< USB slave device */ RT_Device_Class_USBHost, /**< USB host bus */ RT_Device_Class_SPIBUS, /**< SPI bus device */ RT_Device_Class_SPIDevice, /**< SPI device */ RT_Device_Class_SDIO, /**< SDIO bus device */ RT_Device_Class_PM, /**< PM pseudo device */ RT_Device_Class_Pipe, /**< Pipe device */ RT_Device_Class_Portal, /**< Portal device */ RT_Device_Class_Timer, /**< Timer device */ RT_Device_Class_Miscellaneous, /**< Miscellaneous device */ RT_Device_Class_Sensor, /**< Sensor device */ RT_Device_Class_Touch, /**< Touch device */ RT_Device_Class_Unknown /**< unknown device */ }; /** * device flags defitions */ #define RT_DEVICE_FLAG_DEACTIVATE 0x000 /**< device is not not initialized */ #define RT_DEVICE_FLAG_RDONLY 0x001 /**< read only */ #define RT_DEVICE_FLAG_WRONLY 0x002 /**< write only */ #define RT_DEVICE_FLAG_RDWR 0x003 /**< read and write */ #define RT_DEVICE_FLAG_REMOVABLE 0x004 /**< removable device */ #define RT_DEVICE_FLAG_STANDALONE 0x008 /**< standalone device */ #define RT_DEVICE_FLAG_ACTIVATED 0x010 /**< device is activated */ #define RT_DEVICE_FLAG_SUSPENDED 0x020 /**< device is suspended */ #define RT_DEVICE_FLAG_STREAM 0x040 /**< stream mode */ #define RT_DEVICE_FLAG_INT_RX 0x100 /**< INT mode on Rx */ #define RT_DEVICE_FLAG_DMA_RX 0x200 /**< DMA mode on Rx */ #define RT_DEVICE_FLAG_INT_TX 0x400 /**< INT mode on Tx */ #define RT_DEVICE_FLAG_DMA_TX 0x800 /**< DMA mode on Tx */ #define RT_DEVICE_OFLAG_CLOSE 0x000 /**< device is closed */ #define RT_DEVICE_OFLAG_RDONLY 0x001 /**< read only access */ #define RT_DEVICE_OFLAG_WRONLY 0x002 /**< write only access */ #define RT_DEVICE_OFLAG_RDWR 0x003 /**< read and write */ #define RT_DEVICE_OFLAG_OPEN 0x008 /**< device is opened */ #define RT_DEVICE_OFLAG_MASK 0xf0f /**< mask of open flag */ /** * general device commands */ #define RT_DEVICE_CTRL_RESUME 0x01 /**< resume device */ #define RT_DEVICE_CTRL_SUSPEND 0x02 /**< suspend device */ #define RT_DEVICE_CTRL_CONFIG 0x03 /**< configure device */ #define RT_DEVICE_CTRL_CLOSE 0x04 /**< close device */ #define RT_DEVICE_CTRL_SET_INT 0x10 /**< set interrupt */ #define RT_DEVICE_CTRL_CLR_INT 0x11 /**< clear interrupt */ #define RT_DEVICE_CTRL_GET_INT 0x12 /**< get interrupt status */ /** * special device commands */ #define RT_DEVICE_CTRL_CHAR_STREAM 0x10 /**< stream mode on char device */ #define RT_DEVICE_CTRL_BLK_GETGEOME 0x10 /**< get geometry information */ #define RT_DEVICE_CTRL_BLK_SYNC 0x11 /**< flush data to block device */ #define RT_DEVICE_CTRL_BLK_ERASE 0x12 /**< erase block on block device */ #define RT_DEVICE_CTRL_BLK_AUTOREFRESH 0x13 /**< block device : enter/exit auto refresh mode */ #define RT_DEVICE_CTRL_NETIF_GETMAC 0x10 /**< get mac address */ #define RT_DEVICE_CTRL_MTD_FORMAT 0x10 /**< format a MTD device */ #define RT_DEVICE_CTRL_RTC_GET_TIME 0x10 /**< get time */ #define RT_DEVICE_CTRL_RTC_SET_TIME 0x11 /**< set time */ #define RT_DEVICE_CTRL_RTC_GET_ALARM 0x12 /**< get alarm */ #define RT_DEVICE_CTRL_RTC_SET_ALARM 0x13 /**< set alarm */ typedef struct rt_device *rt_device_t; /** * operations set for device object */ struct rt_device_ops { /* common device interface */ rt_err_t (*init) (rt_device_t dev); rt_err_t (*open) (rt_device_t dev, rt_uint16_t oflag); rt_err_t (*close) (rt_device_t dev); rt_size_t (*read) (rt_device_t dev, rt_off_t pos, void *buffer, rt_size_t size); rt_size_t (*write) (rt_device_t dev, rt_off_t pos, const void *buffer, rt_size_t size); rt_err_t (*control)(rt_device_t dev, int cmd, void *args); }; /** * WaitQueue structure */ struct rt_wqueue { rt_uint32_t flag; rt_list_t waiting_list; }; typedef struct rt_wqueue rt_wqueue_t; /** * Device structure */ struct rt_device { struct rt_object parent; /**< inherit from rt_object */ enum rt_device_class_type type; /**< device type */ rt_uint16_t flag; /**< device flag */ rt_uint16_t open_flag; /**< device open flag */ rt_uint8_t ref_count; /**< reference count */ rt_uint8_t device_id; /**< 0 - 255 */ /* device call back */ rt_err_t (*rx_indicate)(rt_device_t dev, rt_size_t size); rt_err_t (*tx_complete)(rt_device_t dev, void *buffer); #ifdef RT_USING_DEVICE_OPS const struct rt_device_ops *ops; #else /* common device interface */ rt_err_t (*init) (rt_device_t dev); rt_err_t (*open) (rt_device_t dev, rt_uint16_t oflag); rt_err_t (*close) (rt_device_t dev); rt_size_t (*read) (rt_device_t dev, rt_off_t pos, void *buffer, rt_size_t size); rt_size_t (*write) (rt_device_t dev, rt_off_t pos, const void *buffer, rt_size_t size); rt_err_t (*control)(rt_device_t dev, int cmd, void *args); #endif #if defined(RT_USING_POSIX) const struct dfs_file_ops *fops; struct rt_wqueue wait_queue; #endif void *user_data; /**< device private data */ }; /** * block device geometry structure */ struct rt_device_blk_geometry { rt_uint32_t sector_count; /**< count of sectors */ rt_uint32_t bytes_per_sector; /**< number of bytes per sector */ rt_uint32_t block_size; /**< number of bytes to erase one block */ }; /** * sector arrange struct on block device */ struct rt_device_blk_sectors { rt_uint32_t sector_begin; /**< begin sector */ rt_uint32_t sector_end; /**< end sector */ }; /** * cursor control command */ #define RT_DEVICE_CTRL_CURSOR_SET_POSITION 0x10 #define RT_DEVICE_CTRL_CURSOR_SET_TYPE 0x11 /** * graphic device control command */ #define RTGRAPHIC_CTRL_RECT_UPDATE 0 #define RTGRAPHIC_CTRL_POWERON 1 #define RTGRAPHIC_CTRL_POWEROFF 2 #define RTGRAPHIC_CTRL_GET_INFO 3 #define RTGRAPHIC_CTRL_SET_MODE 4 #define RTGRAPHIC_CTRL_GET_EXT 5 /* graphic deice */ enum { RTGRAPHIC_PIXEL_FORMAT_MONO = 0, RTGRAPHIC_PIXEL_FORMAT_GRAY4, RTGRAPHIC_PIXEL_FORMAT_GRAY16, RTGRAPHIC_PIXEL_FORMAT_RGB332, RTGRAPHIC_PIXEL_FORMAT_RGB444, RTGRAPHIC_PIXEL_FORMAT_RGB565, RTGRAPHIC_PIXEL_FORMAT_RGB565P, RTGRAPHIC_PIXEL_FORMAT_BGR565 = RTGRAPHIC_PIXEL_FORMAT_RGB565P, RTGRAPHIC_PIXEL_FORMAT_RGB666, RTGRAPHIC_PIXEL_FORMAT_RGB888, RTGRAPHIC_PIXEL_FORMAT_ARGB888, RTGRAPHIC_PIXEL_FORMAT_ABGR888, RTGRAPHIC_PIXEL_FORMAT_ARGB565, RTGRAPHIC_PIXEL_FORMAT_ALPHA, RTGRAPHIC_PIXEL_FORMAT_COLOR, }; /** * build a pixel position according to (x, y) coordinates. */ #define RTGRAPHIC_PIXEL_POSITION(x, y) ((x << 16) | y) /** * graphic device information structure */ struct rt_device_graphic_info { rt_uint8_t pixel_format; /**< graphic format */ rt_uint8_t bits_per_pixel; /**< bits per pixel */ rt_uint16_t reserved; /**< reserved field */ rt_uint16_t width; /**< width of graphic device */ rt_uint16_t height; /**< height of graphic device */ rt_uint8_t *framebuffer; /**< frame buffer */ }; /** * rectangle information structure */ struct rt_device_rect_info { rt_uint16_t x; /**< x coordinate */ rt_uint16_t y; /**< y coordinate */ rt_uint16_t width; /**< width */ rt_uint16_t height; /**< height */ }; /** * graphic operations */ struct rt_device_graphic_ops { void (*set_pixel) (const char *pixel, int x, int y); void (*get_pixel) (char *pixel, int x, int y); void (*draw_hline)(const char *pixel, int x1, int x2, int y); void (*draw_vline)(const char *pixel, int x, int y1, int y2); void (*blit_line) (const char *pixel, int x, int y, rt_size_t size); }; #define rt_graphix_ops(device) ((struct rt_device_graphic_ops *)(device->user_data)) /**@}*/ #endif /* definitions for libc */ #include "rtlibc.h" #ifdef __cplusplus } #endif #ifdef __cplusplus /* RT-Thread definitions for C++ */ namespace rtthread { enum TICK_WAIT { WAIT_NONE = 0, WAIT_FOREVER = -1, }; } #endif /* end of __cplusplus */ #endif