diff options
Diffstat (limited to 'src/gos')
-rw-r--r-- | src/gos/gos_freertos.c | 73 | ||||
-rw-r--r-- | src/gos/gos_freertos.h | 37 |
2 files changed, 32 insertions, 78 deletions
diff --git a/src/gos/gos_freertos.c b/src/gos/gos_freertos.c index c1c9c16a..9708c05f 100644 --- a/src/gos/gos_freertos.c +++ b/src/gos/gos_freertos.c @@ -49,7 +49,7 @@ void* gfxRealloc(void *ptr, size_t oldsz, size_t newsz) if (oldsz) { memcpy(np, ptr, oldsz); - vPortFree(ptr); + gfxFree(ptr); } return np; @@ -57,31 +57,22 @@ void* gfxRealloc(void *ptr, size_t oldsz, size_t newsz) void gfxSleepMilliseconds(delaytime_t ms) { - const portTickType ticks = ms / portTICK_PERIOD_MS; - vTaskDelay(ticks); + vTaskDelay(gfxMillisecondsToTicks(ms)); } void gfxSleepMicroseconds(delaytime_t ms) { - const portTickType ticks = (ms / 1000) / portTICK_PERIOD_MS; - // delay milli seconds - vTaskDelay(ticks); - - // microsecond resolution delay is not supported in FreeRTOS + // delay milli seconds - microsecond resolution delay is not supported in FreeRTOS + vTaskDelay(gfxMillisecondsToTicks(ms/1000)); // vUsDelay(ms%1000); } -portTickType MS2ST(portTickType ms) +void gfxMutexInit(gfxMutex *pmutex) { - return (ms / portTICK_PERIOD_MS); -} - -void gfxMutexInit(xSemaphoreHandle *s) -{ - *s = xSemaphoreCreateMutex(); + *pmutex = xSemaphoreCreateMutex(); #if GFX_FREERTOS_USE_TRACE - vTraceSetMutexName(*s,"uGFXMutex"); // for FreeRTOS+Trace debug + vTraceSetMutexName(*pmutex,"uGFXMutex"); #endif } @@ -90,29 +81,16 @@ void gfxSemInit(gfxSem* psem, semcount_t val, semcount_t limit) if (val > limit) val = limit; - psem->counter = val; - psem->limit = limit; - psem->sem = xSemaphoreCreateCounting(limit,val); - + *psem = xSemaphoreCreateCounting(limit,val); #if GFX_FREERTOS_USE_TRACE - vTraceSetSemaphoreName(psem->sem, "uGFXSema"); // for FreeRTOS+Trace debug + vTraceSetSemaphoreName(*psem, "uGFXSema"); #endif } -void gfxSemDestroy(gfxSem* psem) -{ - vSemaphoreDelete(psem->sem); -} - bool_t gfxSemWait(gfxSem* psem, delaytime_t ms) { - psem->counter--; - - if (xSemaphoreTake(psem->sem, MS2ST(ms)) == pdPASS) + if (xSemaphoreTake(*psem, gfxMillisecondsToTicks(ms)) == pdPASS) return TRUE; - - psem->counter++; - return FALSE; } @@ -120,50 +98,35 @@ bool_t gfxSemWaitI(gfxSem* psem) { portBASE_TYPE xHigherPriorityTaskWoken = pdFALSE; - psem->counter--; - - if (xSemaphoreTakeFromISR(psem->sem,&xHigherPriorityTaskWoken) == pdTRUE) + if (xSemaphoreTakeFromISR(*psem, &xHigherPriorityTaskWoken) == pdTRUE) return TRUE; - - psem->counter++; - return FALSE; } void gfxSemSignal(gfxSem* psem) { - taskENTER_CRITICAL(); - - if (psem->counter < psem->limit) { - psem->counter++; - xSemaphoreGive(psem->sem); - } - + xSemaphoreGive(*psem); taskYIELD(); - taskEXIT_CRITICAL(); } void gfxSemSignalI(gfxSem* psem) { portBASE_TYPE xHigherPriorityTaskWoken = pdFALSE; - if (psem->counter < psem->limit) { - psem->counter++; - xSemaphoreGiveFromISR(psem->sem,&xHigherPriorityTaskWoken); - } + xSemaphoreGiveFromISR(*psem,&xHigherPriorityTaskWoken); } gfxThreadHandle gfxThreadCreate(void *stackarea, size_t stacksz, threadpriority_t prio, DECLARE_THREAD_FUNCTION((*fn),p), void *param) { - xTaskHandle task = NULL; - stacksz = (size_t)stackarea; + gfxThreadHandle task; + (void) stackarea; if (stacksz < configMINIMAL_STACK_SIZE) stacksz = configMINIMAL_STACK_SIZE; - if (xTaskCreate(fn, "uGFX_TASK", stacksz, param, prio, &task )!= pdPASS) { - for (;;); - } + task = 0; + if (xTaskCreate(fn, "uGFX_TASK", stacksz, param, prio, &task) != pdPASS) + return 0; return task; } diff --git a/src/gos/gos_freertos.h b/src/gos/gos_freertos.h index 92b48024..6301a7df 100644 --- a/src/gos/gos_freertos.h +++ b/src/gos/gos_freertos.h @@ -59,21 +59,14 @@ typedef portBASE_TYPE threadpriority_t; #define NORMAL_PRIORITY configMAX_PRIORITIES/2 #define HIGH_PRIORITY configMAX_PRIORITIES-1 -/* FreeRTOS will allocate the stack when creating the thread, so pass the size instead of a working area */ -#define DECLARE_THREAD_STACK(name, sz) size_t *name = (size_t *)(sz) +/* FreeRTOS will allocate the stack when creating the thread */ +#define DECLARE_THREAD_STACK(name, sz) #define DECLARE_THREAD_FUNCTION(fnName, param) threadreturn_t fnName(void *param) #define THREAD_RETURN(retval) -portTickType MS2ST(portTickType ms); - -typedef struct { - xSemaphoreHandle sem; - semcount_t limit; - semcount_t counter; -} gfxSem; - +typedef xSemaphoreHandle gfxSem; typedef xSemaphoreHandle gfxMutex; -typedef xTaskHandle* gfxThreadHandle; +typedef xTaskHandle gfxThreadHandle; /*===========================================================================*/ /* Function declarations. */ @@ -83,33 +76,31 @@ typedef xTaskHandle* gfxThreadHandle; extern "C" { #endif -#define gfxHalt(msg) {} -#define gfxExit() {} +#define gfxHalt(msg) {while(1);} +#define gfxExit() {while(1);} #define gfxAlloc(sz) pvPortMalloc(sz) #define gfxFree(ptr) vPortFree(ptr) #define gfxYield() taskYIELD() #define gfxSystemTicks() xTaskGetTickCount() -#define gfxMillisecondsToTicks(ms) MS2ST(ms) -#define gfxSystemLock() {} -#define gfxSystemUnlock() {} +#define gfxMillisecondsToTicks(ms) ((systemticks_t)((ms) / portTICK_PERIOD_MS)) +#define gfxSystemLock() taskENTER_CRITICAL() +#define gfxSystemUnlock() taskEXIT_CRITICAL() -void gfxMutexInit(xSemaphoreHandle* s); -#define gfxMutexDestroy(pmutex) vSemaphoreDelete(*pmutex) -#define gfxMutexEnter(pmutex) xSemaphoreTake(*pmutex,portMAX_DELAY) -#define gfxMutexExit(pmutex) xSemaphoreGive(*pmutex) +void gfxMutexInit(gfxMutex* s); +#define gfxMutexDestroy(pmutex) vSemaphoreDelete(*(pmutex)) +#define gfxMutexEnter(pmutex) xSemaphoreTake(*(pmutex),portMAX_DELAY) +#define gfxMutexExit(pmutex) xSemaphoreGive(*(pmutex)) void *gfxRealloc(void *ptr, size_t oldsz, size_t newsz); void gfxSleepMilliseconds(delaytime_t ms); void gfxSleepMicroseconds(delaytime_t ms); void gfxSemInit(gfxSem* psem, semcount_t val, semcount_t limit); -void gfxSemDestroy(gfxSem* psem); +#define gfxSemDestroy(psem) vSemaphoreDelete(*(psem)) bool_t gfxSemWait(gfxSem* psem, delaytime_t ms); bool_t gfxSemWaitI(gfxSem* psem); void gfxSemSignal(gfxSem* psem); void gfxSemSignalI(gfxSem* psem); -#define gfxSemCounterI(psem) ((psem)->counter) -#define gfxSemCounter(psem) ((psem)->counter) gfxThreadHandle gfxThreadCreate(void *stackarea, size_t stacksz, threadpriority_t prio, DECLARE_THREAD_FUNCTION((*fn),p), void *param); #define gfxThreadWait(thread) {} // never used, not imlpemented |