118 lines
3.0 KiB
C
118 lines
3.0 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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#if GFX_USE_OS_ECOS
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void _gosInit(void)
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{
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#if !GFX_OS_NO_INIT
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#error "GOS: Operating System initialization for eCos is not yet implemented in uGFX. Please set GFX_OS_NO_INIT to GFXON in your gfxconf.h"
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#endif
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#if !GFX_OS_INIT_NO_WARNING
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#if GFX_COMPILER_WARNING_TYPE == GFX_COMPILER_WARNING_DIRECT
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#warning "GOS: Operating System initialization has been turned off. Make sure you call cyg_scheduler_start() before gfxInit() in your application!"
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#elif GFX_COMPILER_WARNING_TYPE == GFX_COMPILER_WARNING_MACRO
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COMPILER_WARNING("GOS: Operating System initialization has been turned off. Make sure you call cyg_scheduler_start() before gfxInit() in your application!")
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#endif
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#endif
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}
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void _gosPostInit(void)
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{
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}
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void _gosDeinit(void)
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{
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/* ToDo */
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}
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void gfxSleepMilliseconds(gDelay ms)
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{
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switch(ms) {
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case gDelayNone: cyg_thread_yield(); return;
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case gDelayForever: cyg_thread_suspend(cyg_thread_self()); return;
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default: cyg_thread_delay(gfxMillisecondsToTicks(ms)); return;
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}
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}
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void gfxSleepMicroseconds(gDelay ms)
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{
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switch(ms) {
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case gDelayNone: return;
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case gDelayForever: cyg_thread_suspend(cyg_thread_self()); return;
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default: cyg_thread_delay(gfxMillisecondsToTicks(ms/1000)); return;
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}
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}
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void gfxSemInit(gfxSem *psem, gSemcount val, gSemcount limit)
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{
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if (val > limit)
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val = limit;
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psem->limit = limit;
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cyg_semaphore_init(&psem->sem, val);
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}
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void gfxSemDestroy(gfxSem *psem)
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{
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cyg_semaphore_destroy(&psem->sem);
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}
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gBool gfxSemWait(gfxSem *psem, gDelay ms)
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{
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switch(ms) {
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case gDelayNone: return cyg_semaphore_trywait(&psem->sem);
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case gDelayForever: return cyg_semaphore_wait(&psem->sem);
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default: return cyg_semaphore_timed_wait(&psem->sem, gfxMillisecondsToTicks(ms)+cyg_current_time());
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}
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}
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gBool gfxSemWaitI(gfxSem *psem)
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{
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return cyg_semaphore_trywait(&psem->sem);
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}
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void gfxSemSignal(gfxSem *psem)
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{
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if (psem->limit == MAX_SEMAPHORE_COUNT)
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cyg_semaphore_post(&psem->sem);
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else {
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cyg_scheduler_lock();
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if (cyg_semaphore_peek(&psem->sem, &cnt) < psem->limit)
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cyg_semaphore_post(&psem->sem);
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cyg_scheduler_unlock();
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}
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}
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void gfxSemSignalI(gfxSem *psem)
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{
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if (psem->limit == MAX_SEMAPHORE_COUNT || cyg_semaphore_peek(&psem->sem, &cnt) < psem->limit)
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cyg_semaphore_post(&psem->sem);
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}
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gThread gfxThreadCreate(void *stackarea, size_t stacksz, gThreadpriority prio, DECLARE_THREAD_FUNCTION((*fn),p), void *param)
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{
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gThread th;
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if (!stackarea) {
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if (!stacksz) stacksz = CYGNUM_HAL_STACK_SIZE_TYPICAL;
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if (!(stackarea = gfxAlloc(stacksz+sizeof(cyg_thread))))
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return 0;
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}
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if (!stacksz)
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return 0;
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cyg_thread_create(prio, fn, param, "uGFX", (((cyg_thread *)stackarea)+1), stacksz, &th, (cyg_thread *)stackarea);
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cyg_thread_resume(th);
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return th;
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}
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#endif /* GFX_USE_OS_ECOS */
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