523 lines
15 KiB
C
523 lines
15 KiB
C
|
/*
|
||
|
ChibiOS - Copyright (C) 2006..2018 Giovanni Di Sirio.
|
||
|
|
||
|
This file is part of ChibiOS.
|
||
|
|
||
|
ChibiOS is free software; you can redistribute it and/or modify
|
||
|
it under the terms of the GNU General Public License as published by
|
||
|
the Free Software Foundation; either version 3 of the License, or
|
||
|
(at your option) any later version.
|
||
|
|
||
|
ChibiOS is distributed in the hope that it will be useful,
|
||
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
|
GNU General Public License for more details.
|
||
|
|
||
|
You should have received a copy of the GNU General Public License
|
||
|
along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||
|
*/
|
||
|
/*
|
||
|
Concepts and parts of this file have been contributed by Andre R.
|
||
|
*/
|
||
|
|
||
|
/**
|
||
|
* @file cmsis_os.h
|
||
|
* @brief CMSIS RTOS module macros and structures.
|
||
|
*
|
||
|
* @addtogroup CMSIS_OS
|
||
|
* @{
|
||
|
*/
|
||
|
|
||
|
#ifndef CMSIS_OS_H
|
||
|
#define CMSIS_OS_H
|
||
|
|
||
|
#include "ch.h"
|
||
|
|
||
|
/*===========================================================================*/
|
||
|
/* Module constants. */
|
||
|
/*===========================================================================*/
|
||
|
|
||
|
/**
|
||
|
* @brief API version.
|
||
|
*/
|
||
|
#define osCMSIS 0x10002
|
||
|
|
||
|
/**
|
||
|
* @brief Kernel version.
|
||
|
*/
|
||
|
#define osKernelSystemId "KERNEL V1.00"
|
||
|
|
||
|
/**
|
||
|
* @brief ChibiOS/RT version encoded for CMSIS.
|
||
|
*/
|
||
|
#define osCMSIS_KERNEL ((CH_KERNEL_MAJOR << 16) | \
|
||
|
(CH_KERNEL_MINOR << 8) | \
|
||
|
(CH_KERNEL_PATCH))
|
||
|
|
||
|
/**
|
||
|
* @name CMSIS Capabilities
|
||
|
* @{
|
||
|
*/
|
||
|
#define osFeature_MainThread 1
|
||
|
#define osFeature_Pool 1
|
||
|
#define osFeature_MailQ 0
|
||
|
#define osFeature_MessageQ 1
|
||
|
#define osFeature_Signals 24
|
||
|
#define osFeature_Semaphore ((1U << 31) - 1U)
|
||
|
#define osFeature_Wait 0
|
||
|
#define osFeature_SysTick 1
|
||
|
/**< @} */
|
||
|
|
||
|
/**
|
||
|
* @brief Wait forever specification for timeouts.
|
||
|
*/
|
||
|
#define osWaitForever ((uint32_t)-1)
|
||
|
|
||
|
/**
|
||
|
* @brief System tick frequency.
|
||
|
*/
|
||
|
#define osKernelSysTickFrequency CH_CFG_ST_FREQUENCY
|
||
|
|
||
|
/*===========================================================================*/
|
||
|
/* Module pre-compile time settings. */
|
||
|
/*===========================================================================*/
|
||
|
|
||
|
/**
|
||
|
* @brief Number of pre-allocated static semaphores/mutexes.
|
||
|
*/
|
||
|
#if !defined(CMSIS_CFG_DEFAULT_STACK)
|
||
|
#define CMSIS_CFG_DEFAULT_STACK 256
|
||
|
#endif
|
||
|
|
||
|
/**
|
||
|
* @brief Number of pre-allocated static semaphores/mutexes.
|
||
|
*/
|
||
|
#if !defined(CMSIS_CFG_NUM_SEMAPHORES)
|
||
|
#define CMSIS_CFG_NUM_SEMAPHORES 4
|
||
|
#endif
|
||
|
|
||
|
/**
|
||
|
* @brief Number of pre-allocated static timers.
|
||
|
*/
|
||
|
#if !defined(CMSIS_CFG_NUM_TIMERS)
|
||
|
#define CMSIS_CFG_NUM_TIMERS 4
|
||
|
#endif
|
||
|
|
||
|
/*===========================================================================*/
|
||
|
/* Derived constants and error checks. */
|
||
|
/*===========================================================================*/
|
||
|
|
||
|
#if !CH_CFG_USE_MEMPOOLS
|
||
|
#error "CMSIS RTOS requires CH_CFG_USE_MEMPOOLS"
|
||
|
#endif
|
||
|
|
||
|
#if !CH_CFG_USE_EVENTS
|
||
|
#error "CMSIS RTOS requires CH_CFG_USE_EVENTS"
|
||
|
#endif
|
||
|
|
||
|
#if !CH_CFG_USE_EVENTS_TIMEOUT
|
||
|
#error "CMSIS RTOS requires CH_CFG_USE_EVENTS_TIMEOUT"
|
||
|
#endif
|
||
|
|
||
|
#if !CH_CFG_USE_SEMAPHORES
|
||
|
#error "CMSIS RTOS requires CH_CFG_USE_SEMAPHORES"
|
||
|
#endif
|
||
|
|
||
|
#if !CH_CFG_USE_DYNAMIC
|
||
|
#error "CMSIS RTOS requires CH_CFG_USE_DYNAMIC"
|
||
|
#endif
|
||
|
|
||
|
/*===========================================================================*/
|
||
|
/* Module data structures and types. */
|
||
|
/*===========================================================================*/
|
||
|
|
||
|
/**
|
||
|
* @brief Type of priority levels.
|
||
|
*/
|
||
|
typedef enum {
|
||
|
osPriorityIdle = -3,
|
||
|
osPriorityLow = -2,
|
||
|
osPriorityBelowNormal = -1,
|
||
|
osPriorityNormal = 0,
|
||
|
osPriorityAboveNormal = +1,
|
||
|
osPriorityHigh = +2,
|
||
|
osPriorityRealtime = +3,
|
||
|
osPriorityError = 0x84
|
||
|
} osPriority;
|
||
|
|
||
|
/**
|
||
|
* @brief Type of error codes.
|
||
|
*/
|
||
|
typedef enum {
|
||
|
osOK = 0,
|
||
|
osEventSignal = 0x08,
|
||
|
osEventMessage = 0x10,
|
||
|
osEventMail = 0x20,
|
||
|
osEventTimeout = 0x40,
|
||
|
osErrorParameter = 0x80,
|
||
|
osErrorResource = 0x81,
|
||
|
osErrorTimeoutResource = 0xC1,
|
||
|
osErrorISR = 0x82,
|
||
|
osErrorISRRecursive = 0x83,
|
||
|
osErrorPriority = 0x84,
|
||
|
osErrorNoMemory = 0x85,
|
||
|
osErrorValue = 0x86,
|
||
|
osErrorOS = 0xFF,
|
||
|
os_status_reserved = 0x7FFFFFFF
|
||
|
} osStatus;
|
||
|
|
||
|
/**
|
||
|
* @brief Type of a timer mode.
|
||
|
*/
|
||
|
typedef enum {
|
||
|
osTimerOnce = 0,
|
||
|
osTimerPeriodic = 1
|
||
|
} os_timer_type;
|
||
|
|
||
|
/**
|
||
|
* @brief Type of thread functions.
|
||
|
*/
|
||
|
typedef void (*os_pthread) (void const *argument);
|
||
|
|
||
|
/**
|
||
|
* @brief Type of timer callback.
|
||
|
*/
|
||
|
typedef void (*os_ptimer) (void const *argument);
|
||
|
|
||
|
/**
|
||
|
* @brief Type of pointer to thread control block.
|
||
|
*/
|
||
|
typedef thread_t *osThreadId;
|
||
|
|
||
|
/**
|
||
|
* @brief Type of pointer to timer control block.
|
||
|
*/
|
||
|
typedef struct os_timer_cb {
|
||
|
virtual_timer_t vt;
|
||
|
os_timer_type type;
|
||
|
os_ptimer ptimer;
|
||
|
void *argument;
|
||
|
uint32_t millisec;
|
||
|
} *osTimerId;
|
||
|
|
||
|
/**
|
||
|
* @brief Type of pointer to mutex control block.
|
||
|
*/
|
||
|
typedef binary_semaphore_t *osMutexId;
|
||
|
|
||
|
/**
|
||
|
* @brief Type of pointer to semaphore control block.
|
||
|
*/
|
||
|
typedef semaphore_t *osSemaphoreId;
|
||
|
|
||
|
/**
|
||
|
* @brief Type of pointer to memory pool control block.
|
||
|
*/
|
||
|
typedef memory_pool_t *osPoolId;
|
||
|
|
||
|
/**
|
||
|
* @brief Type of pointer to message queue control block.
|
||
|
*/
|
||
|
typedef struct mailbox *osMessageQId;
|
||
|
|
||
|
/**
|
||
|
* @brief Type of an event.
|
||
|
*/
|
||
|
typedef struct {
|
||
|
osStatus status;
|
||
|
union {
|
||
|
uint32_t v;
|
||
|
void *p;
|
||
|
int32_t signals;
|
||
|
} value;
|
||
|
union {
|
||
|
/* osMailQId mail_id;*/
|
||
|
osMessageQId message_id;
|
||
|
} def;
|
||
|
} osEvent;
|
||
|
|
||
|
/**
|
||
|
* @brief Type of a thread definition block.
|
||
|
*/
|
||
|
typedef struct os_thread_def {
|
||
|
os_pthread pthread;
|
||
|
osPriority tpriority;
|
||
|
uint32_t stacksize;
|
||
|
const char *name;
|
||
|
} osThreadDef_t;
|
||
|
|
||
|
/**
|
||
|
* @brief Type of a timer definition block.
|
||
|
*/
|
||
|
typedef struct os_timer_def {
|
||
|
os_ptimer ptimer;
|
||
|
} osTimerDef_t;
|
||
|
|
||
|
/**
|
||
|
* @brief Type of a mutex definition block.
|
||
|
*/
|
||
|
typedef struct os_mutex_def {
|
||
|
uint32_t dummy;
|
||
|
} osMutexDef_t;
|
||
|
|
||
|
/**
|
||
|
* @brief Type of a semaphore definition block.
|
||
|
*/
|
||
|
typedef struct os_semaphore_def {
|
||
|
uint32_t dummy;
|
||
|
} osSemaphoreDef_t;
|
||
|
|
||
|
/**
|
||
|
* @brief Type of a memory pool definition block.
|
||
|
*/
|
||
|
typedef struct os_pool_def {
|
||
|
uint32_t pool_sz;
|
||
|
uint32_t item_sz;
|
||
|
memory_pool_t *pool;
|
||
|
void *items;
|
||
|
} osPoolDef_t;
|
||
|
|
||
|
/**
|
||
|
* @brief Type of a message queue definition block.
|
||
|
*/
|
||
|
typedef struct os_messageQ_def {
|
||
|
uint32_t queue_sz;
|
||
|
uint32_t item_sz;
|
||
|
mailbox_t *mailbox;
|
||
|
void *items;
|
||
|
} osMessageQDef_t;
|
||
|
|
||
|
/*===========================================================================*/
|
||
|
/* Module macros. */
|
||
|
/*===========================================================================*/
|
||
|
|
||
|
/**
|
||
|
* @brief Convert a microseconds value to a RTOS kernel system timer value.
|
||
|
*/
|
||
|
#define osKernelSysTickMicroSec(microsec) (((uint64_t)microsec * \
|
||
|
(osKernelSysTickFrequency)) / \
|
||
|
1000000)
|
||
|
|
||
|
/**
|
||
|
* @brief Create a Thread definition.
|
||
|
*/
|
||
|
#if defined(osObjectsExternal)
|
||
|
#define osThreadDef(thd, priority, stacksz, name) \
|
||
|
extern const osThreadDef_t os_thread_def_##thd
|
||
|
#else
|
||
|
#define osThreadDef(thd, priority, stacksz, name) \
|
||
|
const osThreadDef_t os_thread_def_##thd = { \
|
||
|
(thd), \
|
||
|
(priority), \
|
||
|
(stacksz), \
|
||
|
(name) \
|
||
|
}
|
||
|
#endif
|
||
|
|
||
|
/**
|
||
|
* @brief Access a Thread definition.
|
||
|
*/
|
||
|
#define osThread(name) &os_thread_def_##name
|
||
|
|
||
|
/**
|
||
|
* @brief Define a Timer object.
|
||
|
*/
|
||
|
#if defined(osObjectsExternal)
|
||
|
#define osTimerDef(name, function) \
|
||
|
extern const osTimerDef_t os_timer_def_##name
|
||
|
#else
|
||
|
#define osTimerDef(name, function) \
|
||
|
const osTimerDef_t os_timer_def_##name = { \
|
||
|
(function) \
|
||
|
}
|
||
|
#endif
|
||
|
|
||
|
/**
|
||
|
* @brief Access a Timer definition.
|
||
|
*/
|
||
|
#define osTimer(name) &os_timer_def_##name
|
||
|
|
||
|
/**
|
||
|
* @brief Define a Mutex.
|
||
|
*/
|
||
|
#if defined(osObjectsExternal)
|
||
|
#define osMutexDef(name) extern const osMutexDef_t os_mutex_def_##name
|
||
|
#else
|
||
|
#define osMutexDef(name) const osMutexDef_t os_mutex_def_##name = {0}
|
||
|
#endif
|
||
|
|
||
|
/**
|
||
|
* @brief Access a Mutex definition.
|
||
|
*/
|
||
|
#define osMutex(name) &os_mutex_def_##name
|
||
|
|
||
|
/**
|
||
|
* @brief Define a Semaphore.
|
||
|
*/
|
||
|
#if defined(osObjectsExternal)
|
||
|
#define osSemaphoreDef(name) \
|
||
|
extern const osSemaphoreDef_t os_semaphore_def_##name
|
||
|
#else // define the object
|
||
|
#define osSemaphoreDef(name) \
|
||
|
const osSemaphoreDef_t os_semaphore_def_##name = {0}
|
||
|
#endif
|
||
|
|
||
|
/**
|
||
|
* @brief Access a Semaphore definition.
|
||
|
*/
|
||
|
#define osSemaphore(name) &os_semaphore_def_##name
|
||
|
|
||
|
/**
|
||
|
* @brief Define a Memory Pool.
|
||
|
*/
|
||
|
#if defined(osObjectsExternal)
|
||
|
#define osPoolDef(name, no, type) \
|
||
|
extern const osPoolDef_t os_pool_def_##name
|
||
|
#else
|
||
|
#define osPoolDef(name, no, type) \
|
||
|
static const type os_pool_buf_##name[no]; \
|
||
|
static memory_pool_t os_pool_obj_##name; \
|
||
|
const osPoolDef_t os_pool_def_##name = { \
|
||
|
(no), \
|
||
|
sizeof (type), \
|
||
|
(void *)&os_pool_obj_##name, \
|
||
|
(void *)&os_pool_buf_##name[0] \
|
||
|
}
|
||
|
#endif
|
||
|
|
||
|
/**
|
||
|
* @brief Access a Memory Pool definition.
|
||
|
*/
|
||
|
#define osPool(name) &os_pool_def_##name
|
||
|
|
||
|
/**
|
||
|
* @brief Define a Message Queue.
|
||
|
*/
|
||
|
#if defined(osObjectsExternal)
|
||
|
#define osMessageQDef(name, queue_sz, type) \
|
||
|
extern const osMessageQDef_t os_messageQ_def_##name
|
||
|
#else
|
||
|
#define osMessageQDef(name, queue_sz, type) \
|
||
|
static const msg_t os_messageQ_buf_##name[queue_sz]; \
|
||
|
static mailbox_t os_messageQ_obj_##name; \
|
||
|
const osMessageQDef_t os_messageQ_def_##name = { \
|
||
|
(queue_sz), \
|
||
|
sizeof (type), \
|
||
|
(void *)&os_messageQ_obj_##name, \
|
||
|
(void *)&os_messageQ_buf_##name[0] \
|
||
|
}
|
||
|
#endif
|
||
|
|
||
|
/**
|
||
|
* @brief Access a Message Queue definition.
|
||
|
*/
|
||
|
#define osMessageQ(name) &os_messageQ_def_##name
|
||
|
|
||
|
/*===========================================================================*/
|
||
|
/* External declarations. */
|
||
|
/*===========================================================================*/
|
||
|
|
||
|
extern int32_t cmsis_os_started;
|
||
|
|
||
|
#ifdef __cplusplus
|
||
|
extern "C" {
|
||
|
#endif
|
||
|
osStatus osKernelInitialize(void);
|
||
|
osStatus osKernelStart(void);
|
||
|
osThreadId osThreadCreate(const osThreadDef_t *thread_def, void *argument);
|
||
|
osStatus osThreadTerminate(osThreadId thread_id);
|
||
|
osStatus osThreadSetPriority(osThreadId thread_id, osPriority newprio);
|
||
|
/*osEvent osWait(uint32_t millisec);*/
|
||
|
osTimerId osTimerCreate(const osTimerDef_t *timer_def,
|
||
|
os_timer_type type,
|
||
|
void *argument);
|
||
|
osStatus osTimerStart(osTimerId timer_id, uint32_t millisec);
|
||
|
osStatus osTimerStop(osTimerId timer_id);
|
||
|
osStatus osTimerDelete(osTimerId timer_id);
|
||
|
int32_t osSignalSet(osThreadId thread_id, int32_t signals);
|
||
|
int32_t osSignalClear(osThreadId thread_id, int32_t signals);
|
||
|
osEvent osSignalWait(int32_t signals, uint32_t millisec);
|
||
|
osSemaphoreId osSemaphoreCreate(const osSemaphoreDef_t *semaphore_def,
|
||
|
int32_t count);
|
||
|
int32_t osSemaphoreWait(osSemaphoreId semaphore_id, uint32_t millisec);
|
||
|
osStatus osSemaphoreRelease(osSemaphoreId semaphore_id);
|
||
|
osStatus osSemaphoreDelete(osSemaphoreId semaphore_id);
|
||
|
osMutexId osMutexCreate(const osMutexDef_t *mutex_def);
|
||
|
osStatus osMutexWait(osMutexId mutex_id, uint32_t millisec);
|
||
|
osStatus osMutexRelease(osMutexId mutex_id);
|
||
|
osStatus osMutexDelete(osMutexId mutex_id);
|
||
|
osPoolId osPoolCreate(const osPoolDef_t *pool_def);
|
||
|
void *osPoolAlloc(osPoolId pool_id);
|
||
|
void *osPoolCAlloc(osPoolId pool_id);
|
||
|
osStatus osPoolFree(osPoolId pool_id, void *block);
|
||
|
osMessageQId osMessageCreate(const osMessageQDef_t *queue_def,
|
||
|
osThreadId thread_id);
|
||
|
osStatus osMessagePut(osMessageQId queue_id,
|
||
|
uint32_t info,
|
||
|
uint32_t millisec);
|
||
|
osEvent osMessageGet(osMessageQId queue_id,
|
||
|
uint32_t millisec);
|
||
|
#ifdef __cplusplus
|
||
|
}
|
||
|
#endif
|
||
|
|
||
|
/*===========================================================================*/
|
||
|
/* Module inline functions. */
|
||
|
/*===========================================================================*/
|
||
|
|
||
|
/**
|
||
|
* @brief To be or not to be.
|
||
|
*/
|
||
|
static inline int32_t osKernelRunning(void) {
|
||
|
|
||
|
return cmsis_os_started;
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* @brief System ticks since start.
|
||
|
*/
|
||
|
static inline uint32_t osKernelSysTick(void) {
|
||
|
|
||
|
return (uint32_t)chVTGetSystemTimeX();
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* @brief Returns the current thread.
|
||
|
*/
|
||
|
static inline osThreadId osThreadGetId(void) {
|
||
|
|
||
|
return (osThreadId)chThdGetSelfX();
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* @brief Thread time slice yield.
|
||
|
*/
|
||
|
static inline osStatus osThreadYield(void) {
|
||
|
|
||
|
chThdYield();
|
||
|
|
||
|
return osOK;
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* @brief Returns priority of a thread.
|
||
|
*/
|
||
|
static inline osPriority osThreadGetPriority(osThreadId thread_id) {
|
||
|
|
||
|
return (osPriority)(NORMALPRIO - thread_id->prio);
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* @brief Thread delay in milliseconds.
|
||
|
*/
|
||
|
static inline osStatus osDelay(uint32_t millisec) {
|
||
|
|
||
|
chThdSleepMilliseconds(millisec);
|
||
|
|
||
|
return osOK;
|
||
|
}
|
||
|
|
||
|
#endif /* CMSIS_OS_H */
|
||
|
|
||
|
/** @} */
|