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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
#if GFX_COMPILER_WARNING_TYPE == GFX_COMPILER_WARNING_DIRECT
#warning "GOS: Operating System initialization has been turned off. Make sure you call osKernelInitialize() and osKernelStart() before gfxInit() in your application!"
#elif GFX_COMPILER_WARNING_TYPE == GFX_COMPILER_WARNING_MACRO
COMPILER_WARNING("GOS: Operating System initialization has been turned off. Make sure you call osKernelInitialize() and osKernelStart() before gfxInit() in your application!")
#endif
#endif
// Set up the heap allocator
_gosHeapInit();
}
void _gosPostInit(void)
{
}
void _gosDeinit(void)
{
}
void gfxMutexInit(gfxMutex* pmutex)
{
osMutexDef_t def;
def.mutex = pmutex->mutex;
pmutex->id = osMutexCreate(&def);
}
void gfxSemInit(gfxSem* psem, gSemcount val, gSemcount limit)
{
osSemaphoreDef_t def;
def.semaphore = psem->semaphore;
if (val > limit) val = limit;
psem->available = limit - val;
psem->id = osSemaphoreCreate(&def, val);
}
void gfxSemDestroy(gfxSem* psem)
{
osSemaphoreDelete(psem->id);
}
gBool gfxSemWait(gfxSem* psem, gDelay ms)
{
if (osSemaphoreWait(psem->id, ms) > 0) {
psem->available++;
return gTrue;
}
return gFalse;
}
gBool gfxSemWaitI(gfxSem* psem)
{
return gfxSemWait(psem, 0);
}
void gfxSemSignal(gfxSem* psem)
{
gfxSemSignalI(psem);
}
void gfxSemSignalI(gfxSem* psem)
{
if (psem->available) {
psem->available--;
osSemaphoreRelease(psem->id);
}
}
gThread gfxThreadCreate(void* stackarea, size_t stacksz, gThreadpriority 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);
}
gThreadreturn gfxThreadWait(gThread thread) {
while(osThreadGetPriority(thread) == osPriorityError)
gfxYield();
}
#endif /* GFX_USE_OS_CMSIS */