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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.io/license.html
*/
#include "../../gfx.h"
#include <string.h>
#if GFX_USE_OS_CMSIS2
#if !GFX_OS_NO_INIT && !GFX_OS_CALL_UGFXMAIN
#error "GOS: Either GFX_OS_NO_INIT or GFX_OS_CALL_UGFXMAIN must be defined for CMSIS V2"
#endif
void _gosHeapInit(void);
void _gosInit(void)
{
#if GFX_OS_NO_INIT && !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()."
#elif GFX_COMPILER_WARNING_TYPE == GFX_COMPILER_WARNING_MACRO
COMPILER_WARNING("GOS: Operating System initialization has been turned off. Make sure you call osKernelInitialize().")
#endif
#endif
// Set up the heap allocator
_gosHeapInit();
}
#if !GFX_OS_NO_INIT && GFX_OS_CALL_UGFXMAIN
static DECLARE_THREAD_FUNCTION(startUGFX_CMSIS2, p) {
(void) p;
uGFXMain();
}
#endif
void _gosPostInit(void)
{
#if !GFX_OS_NO_INIT && GFX_OS_CALL_UGFXMAIN
switch(osKernelGetState()) {
case osKernelInactive:
osKernelInitialize();
/* Fall Through */
case osKernelReady:
gfxThreadCreate(0, GFX_OS_UGFXMAIN_STACKSIZE, gThreadpriorityNormal, startUGFX_CMSIS2, 0);
osKernelStart();
gfxHalt("Unable to start CMSIS V2 scheduler. Out of memory?");
break;
default:
gfxThreadCreate(0, GFX_OS_UGFXMAIN_STACKSIZE, gThreadpriorityNormal, startUGFX_CMSIS2, 0);
break;
}
#endif
}
void _gosDeinit(void)
{
}
void gfxMutexInit(gfxMutex* pmutex)
{
*pmutex = osMutexNew(NULL);
}
void gfxSemInit(gfxSem* psem, gSemcount val, gSemcount limit)
{
*psem = osSemaphoreNew(limit, val, NULL);
}
gBool gfxSemWait(gfxSem* psem, gDelay ms)
{
if (osSemaphoreAcquire(*psem, gfxMillisecondsToTicks(ms)) == osOK)
return gTrue;
return gFalse;
}
gThread gfxThreadCreate(void* stackarea, size_t stacksz, gThreadpriority prio, DECLARE_THREAD_FUNCTION((*fn),p), void* param)
{
osThreadAttr_t def;
(void)stackarea;
memset(&def, 0, sizeof(def));
def.name = "uGFX";
def.attr_bits = osThreadDetached; // osThreadJoinable
def.stack_mem = 0;
def.stack_size = stacksz;
def.priority = prio;
//def.tz_module = ????;
return osThreadNew((osThreadFunc_t)fn, param, &def);
}
gThreadreturn gfxThreadWait(gThread thread) {
while(1) {
switch(osThreadGetState(thread)) {
case osThreadReady:
case osThreadRunning:
case osThreadBlocked:
gfxYield();
break;
default:
return;
}
}
}
#endif /* GFX_USE_OS_CMSIS2 */
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