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/*
* This file is subject to the terms of the GFX License. If a copy of
* the license was not distributed with this file, you can obtain one at:
*
* http://ugfx.io/license.html
*/
/**
* @file src/gos/gos_cmsis.h
* @brief GOS - Operating System Support header file for CMSIS RTOS.
*/
#ifndef _GOS_CMSIS_H
#define _GOS_CMSIS_H
#if GFX_USE_OS_CMSIS
#include "cmsis_os.h"
#ifndef GFX_OS_HEAP_SIZE
#define GFX_OS_HEAP_SIZE 10240
#endif
/*===========================================================================*/
/* Type definitions */
/*===========================================================================*/
#define gDelayNone 0
#define gDelayForever osWaitForever
typedef uint32_t gDelay;
typedef uint32_t gTicks;
typedef uint16_t gSemcount;
typedef void gThreadreturn;
typedef osPriority gThreadpriority;
#define MAX_SEMAPHORE_COUNT osFeature_Semaphore
#define gThreadpriorityLow osPriorityLow
#define gThreadpriorityNormal osPriorityNormal
#define gThreadpriorityHigh osPriorityHigh
typedef struct gfxSem {
uint32_t semaphore[2];
osSemaphoreId id;
gSemcount available;
} gfxSem;
typedef struct gfxMutex {
uint32_t mutex[4];
osMutexId id;
} gfxMutex;
typedef osThreadId gThread;
#define DECLARE_THREAD_STACK(name, sz) uint8_t name[1]; // Some compilers don't allow zero sized arrays. Let's waste one byte
#define DECLARE_THREAD_FUNCTION(fnName, param) gThreadreturn fnName(void* param)
#define THREAD_RETURN(retval)
/*===========================================================================*/
/* Function declarations. */
/*===========================================================================*/
#define gfxExit() os_error(0)
#define gfxHalt(msg) os_error(1)
#define gfxSystemTicks() osKernelSysTick()
#define gfxMillisecondsToTicks(ms) osKernelSysTickMicroSec(1000*ms)
#define gfxSystemLock() osKernelInitialize()
#define gfxSystemUnlock() osKernelStart()
#define gfxSleepMilliseconds(ms) osDelay(ms)
void gfxMutexInit(gfxMutex* pmutex);
#define gfxMutexDestroy(pmutex) osMutexDelete((pmutex)->id)
#define gfxMutexEnter(pmutex) osMutexWait((pmutex)->id, gDelayForever)
#define gfxMutexExit(pmutex) osMutexRelease((pmutex)->id)
void gfxSemInit(gfxSem* psem, gSemcount val, gSemcount limit);
void gfxSemDestroy(gfxSem* psem);
gBool gfxSemWait(gfxSem* psem, gDelay ms);
gBool gfxSemWaitI(gfxSem* psem);
void gfxSemSignal(gfxSem* psem);
void gfxSemSignalI(gfxSem* psem);
gThread gfxThreadCreate(void* stackarea, size_t stacksz, gThreadpriority prio, DECLARE_THREAD_FUNCTION((*fn),p), void* param);
#define gfxYield() osThreadYield()
#define gfxThreadMe() osThreadGetId()
#define gfxThreadClose(thread) {}
/*===========================================================================*/
/* Use the generic heap handling */
/*===========================================================================*/
#define GOS_NEED_X_HEAP GFXON
#include "gos_x_heap.h"
#endif /* GFX_USE_OS_CMSIS */
#endif /* _GOS_CMSIS_H */
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