168 lines
3.6 KiB
C
168 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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#include "../../gfx.h"
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#include <string.h>
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#if GFX_USE_OS_FREERTOS
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#if INCLUDE_vTaskDelay != 1
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#error "GOS: INCLUDE_vTaskDelay must be defined in FreeRTOSConfig.h"
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#endif
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#if configUSE_MUTEXES != 1
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#error "GOS: configUSE_MUTEXES must be defined in FreeRTOSConfig.h"
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#endif
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#if configUSE_COUNTING_SEMAPHORES != 1
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#error "GOS: configUSE_COUNTING_SEMAPHORES must be defined in FreeRTOSConfig.h"
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#endif
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#if !GFX_OS_NO_INIT && INCLUDE_xTaskGetSchedulerState != 1 && configUSE_TIMERS != 1
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#error "GOS: Either INCLUDE_xTaskGetSchedulerState or configUSE_TIMERS must be defined in FreeRTOSConfig.h"
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#endif
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#if !GFX_OS_NO_INIT && !GFX_OS_CALL_UGFXMAIN
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#error "GOS: Either GFX_OS_NO_INIT or GFX_OS_CALL_UGFXMAIN must be defined for FreeRTOS"
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#endif
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void _gosInit(void)
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{
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#if GFX_OS_NO_INIT && !GFX_OS_INIT_NO_WARNING
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#warning "GOS: Operating System initialization has been turned off. Make sure you call vTaskStartScheduler()."
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#endif
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}
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#if !GFX_OS_NO_INIT && GFX_OS_CALL_UGFXMAIN
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static DECLARE_THREAD_FUNCTION(startUGFX_FreeRTOS, p) {
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(void) p;
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uGFXMain();
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}
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#endif
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void _gosPostInit(void)
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{
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#if !GFX_OS_NO_INIT && GFX_OS_CALL_UGFXMAIN
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if (xTaskGetSchedulerState() == taskSCHEDULER_NOT_STARTED) {
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gfxThreadCreate(0, GFX_OS_UGFXMAIN_STACKSIZE, NORMAL_PRIORITY, startUGFX_FreeRTOS, 0);
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vTaskStartScheduler();
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gfxHalt("Unable to start FreeRTOS scheduler. Out of memory?");
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}
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#endif
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}
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void _gosDeinit(void)
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{
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#if !GFX_OS_NO_INIT
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vTaskDelete(0);
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#endif
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}
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void* gfxRealloc(void *ptr, size_t oldsz, size_t newsz)
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{
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void *np;
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if (newsz <= oldsz)
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return ptr;
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np = gfxAlloc(newsz);
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if (!np)
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return 0;
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if (oldsz) {
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memcpy(np, ptr, oldsz);
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gfxFree(ptr);
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}
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return np;
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}
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void gfxSleepMilliseconds(delaytime_t ms)
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{
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vTaskDelay(gfxMillisecondsToTicks(ms));
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}
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void gfxSleepMicroseconds(delaytime_t ms)
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{
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// delay milli seconds - microsecond resolution delay is not supported in FreeRTOS
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vTaskDelay(gfxMillisecondsToTicks(ms/1000));
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// vUsDelay(ms%1000);
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}
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void gfxMutexInit(gfxMutex *pmutex)
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{
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*pmutex = xSemaphoreCreateMutex();
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#if GFX_FREERTOS_USE_TRACE
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vTraceSetMutexName(*pmutex,"uGFXMutex");
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#endif
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}
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void gfxSemInit(gfxSem* psem, semcount_t val, semcount_t limit)
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{
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if (val > limit)
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val = limit;
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*psem = xSemaphoreCreateCounting(limit,val);
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#if GFX_FREERTOS_USE_TRACE
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vTraceSetSemaphoreName(*psem, "uGFXSema");
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#endif
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}
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bool_t gfxSemWait(gfxSem* psem, delaytime_t ms)
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{
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if (xSemaphoreTake(*psem, gfxMillisecondsToTicks(ms)) == pdPASS)
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return TRUE;
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return FALSE;
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}
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bool_t gfxSemWaitI(gfxSem* psem)
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{
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portBASE_TYPE xHigherPriorityTaskWoken = pdFALSE;
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if (xSemaphoreTakeFromISR(*psem, &xHigherPriorityTaskWoken) == pdTRUE)
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return TRUE;
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return FALSE;
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}
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void gfxSemSignal(gfxSem* psem)
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{
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xSemaphoreGive(*psem);
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taskYIELD();
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}
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void gfxSemSignalI(gfxSem* psem)
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{
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portBASE_TYPE xHigherPriorityTaskWoken = pdFALSE;
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xSemaphoreGiveFromISR(*psem,&xHigherPriorityTaskWoken);
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}
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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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{
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gfxThreadHandle task;
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(void) stackarea;
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if (stacksz < configMINIMAL_STACK_SIZE)
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stacksz = configMINIMAL_STACK_SIZE;
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task = 0;
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if (xTaskCreate(fn, "uGFX_TASK", stacksz, param, prio, &task) != pdPASS)
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return 0;
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return task;
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}
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#if INCLUDE_eTaskGetState == 1
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threadreturn_t gfxThreadWait(gfxThreadHandle thread) {
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while (eTaskGetState(thread) != eDeleted)
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gfxYield();
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}
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#endif
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#endif /* GFX_USE_OS_FREERTOS */
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