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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.org/license.html
*/
#include "gfx.h"
#include <string.h>
#if GFX_USE_OS_CMSIS
void _gosHeapInit(void);
void _gosInit(void)
{
#if !GFX_OS_NO_INIT
osKernelInitialize();
if (!osKernelRunning())
osKernelStart();
#elif !GFX_OS_INIT_NO_WARNING
#warning "GOS: Operating System initialization has been turned off. Make sure you call osKernelInitialize() and osKernelStart() before gfxInit() in your application!"
#endif
// Set up the heap allocator
_gosHeapInit();
}
void _gosDeinit(void)
{
}
void gfxMutexInit(gfxMutex* pmutex)
{
pmutex->id = osMutexCreate(&(pmutex->def));
}
void gfxSemInit(gfxSem* psem, semcount_t val, semcount_t limit)
{
psem->id = osSemaphoreCreate(&(psem->def), limit);
while(val--)
osSemaphoreRelease(psem->id);
}
void gfxSemDestroy(gfxSem* psem)
{
osSemaphoreDelete(psem->id);
}
bool_t gfxSemWait(gfxSem* psem, delaytime_t ms)
{
return osSemaphoreWait(psem->id, ms) > 0;
}
bool_t gfxSemWaitI(gfxSem* psem)
{
return osSemaphoreWait(psem->id, 0) > 0;
}
void gfxSemSignal(gfxSem* psem)
{
osSemaphoreRelease(psem->id);
}
void gfxSemSignalI(gfxSem* psem)
{
osSemaphoreRelease(psem->id);
}
gfxThreadHandle gfxThreadCreate(void* stackarea, size_t stacksz, threadpriority_t prio, DECLARE_THREAD_FUNCTION((*fn),p), void* param)
{
osThreadDef_t def;
(void)stackarea;
def.pthread = (os_pthread)fn;
def.tpriority = prio;
def.instances = 1;
def.stacksize = stacksz;
return osThreadCreate(&def, param);
}
threadreturn_t gfxThreadWait(gfxThreadHandle thread) {
while(osThreadGetPriority(thread) == osPriorityError)
gfxYield();
}
#endif /* GFX_USE_OS_CMSIS */
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