114 lines
3.6 KiB
C
114 lines
3.6 KiB
C
/*
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* This file is subject to the terms of the GFX License. If a copy of
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* the license was not distributed with this file, you can obtain one at:
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*
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* http://ugfx.org/license.html
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*/
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/**
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* @file include/gos/freertos.h
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* @brief GOS - Operating System Support header file for FreeRTOS.
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*/
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#ifndef _GOS_FREERTOS_H
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#define _GOS_FREERTOS_H
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#if GFX_USE_OS_FREERTOS
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#include "FreeRTOS.h"
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#include "FreeRTOSConfig.h"
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#include "semphr.h"
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#include "task.h"
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/*===========================================================================*/
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/* Type definitions */
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/*===========================================================================*/
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/**
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* bool_t,
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* int8_t, uint8_t,
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* int16_t, uint16_t,
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* int32_t, uint32_t,
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* size_t
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* TRUE, FALSE
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* are already defined by FreeRTOS
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*/
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#define TIME_IMMEDIATE 0
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#define TIME_INFINITE ((delaytime_t)-1)
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typedef int8_t bool_t;
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typedef uint32_t delaytime_t;
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typedef portTickType systemticks_t;
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typedef int32_t semcount_t;
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typedef void threadreturn_t;
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typedef portBASE_TYPE threadpriority_t;
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#define MAX_SEMAPHORE_COUNT ((semcount_t)(((unsigned long)((semcount_t)(-1))) >> 1))
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#define LOW_PRIORITY 0
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#define NORMAL_PRIORITY configMAX_PRIORITIES/2
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#define HIGH_PRIORITY configMAX_PRIORITIES-1
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/* FreeRTOS will allocate the stack when creating the thread, so pass the size instead of a working area */
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#define DECLARE_THREAD_STACK(name, sz) size_t *name = (size_t *)sz
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#define DECLARE_THREAD_FUNCTION(fnName, param) threadreturn_t fnName(void *param)
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portTickType MS2ST(portTickType ms);
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typedef struct {
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xSemaphoreHandle sem;
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semcount_t limit;
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semcount_t counter;
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} gfxSem;
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typedef xSemaphoreHandle gfxMutex;
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typedef xTaskHandl* gfxThreadHandle;
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/*===========================================================================*/
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/* Function declarations. */
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/*===========================================================================*/
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define gfxHalt(msg) {}
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#define gfxExit() {}
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#define gfxAlloc(sz) pvPortMalloc(sz)
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#define gfxFree(ptr) vPortFree(ptr)
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#define gfxYield() taskYIELD()
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#define gfxSystemTicks() xTaskGetTickCount()
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#define gfxMillisecondsToTicks(ms) MS2ST(ms)
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#define gfxSystemLock() {}
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#define gfxSystemUnlock() {}
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static inline void gfxMutexInit(xSemaphoreHandle *s)
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{
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*s = xSemaphoreCreateMutex();
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vTraceSetMutexName(*s,"uGFXMutex"); // for FreeRTOS+Trace debug
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}
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#define gfxMutexDestroy(pmutex) vSemaphoreDelete(*pmutex)
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#define gfxMutexEnter(pmutex) xSemaphoreTake(*pmutex,portMAX_DELAY)
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#define gfxMutexExit(pmutex) xSemaphoreGive(*pmutex)
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void *gfxRealloc(void *ptr, size_t oldsz, size_t newsz);
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void gfxSleepMilliseconds(delaytime_t ms);
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void gfxSleepMicroseconds(delaytime_t ms);
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void gfxSemInit(gfxSem* psem, semcount_t val, semcount_t limit);
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void gfxSemDestroy(gfxSem* psem);
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bool_t gfxSemWait(gfxSem* psem, delaytime_t ms);
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void gfxSemSignal(gfxSem* psem);
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void gfxSemSignalI(gfxSem* psem);
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#define gfxSemCounterI(psem) ((psem)->counter)
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#define gfxSemCounter(psem) ((psem)->counter)
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gfxThreadHandle gfxThreadCreate(void *stackarea, size_t stacksz, threadpriority_t prio, DECLARE_THREAD_FUNCTION((*fn),p), void *param);
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#define gfxThreadWait(thread) {} // never used, not imlpemented
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#define gfxThreadMe() {} // never used, not implemented
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#define gfxThreadClose(thread) {}
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#ifdef __cplusplus
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}
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#endif
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#endif /* GFX_USE_OS_FREERTOS */
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#endif /* _GOS_CHIBIOS_H */
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