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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"
#if GFX_USE_OS_CHIBIOS
#include <string.h>
#if CH_KERNEL_MAJOR < 2 || CH_KERNEL_MAJOR > 6
#error "GOS: Unsupported version of ChibiOS"
#endif
#if CH_KERNEL_MAJOR <= 2
#if !CH_USE_MUTEXES
#error "GOS: CH_USE_MUTEXES must be defined in chconf.h"
#endif
#if !CH_USE_SEMAPHORES
#error "GOS: CH_USE_SEMAPHORES must be defined in chconf.h"
#endif
#else
#if !CH_CFG_USE_MUTEXES
#error "GOS: CH_CFG_USE_MUTEXES must be defined in chconf.h"
#endif
#if !CH_CFG_USE_SEMAPHORES
#error "GOS: CH_CFG_USE_SEMAPHORES must be defined in chconf.h"
#endif
#endif
void _gosInit(void)
{
#if !GFX_OS_NO_INIT
/* Don't Initialize if the user already has */
#if CH_KERNEL_MAJOR <= 2
if (!chThdSelf()) {
halInit();
chSysInit();
}
#else
if (!chThdGetSelfX()) {
halInit();
chSysInit();
}
#endif
#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 halInit() and chSysInit() 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 halInit() and chSysInit() before gfxInit() in your application!")
#endif
#endif
}
void _gosPostInit(void)
{
}
void _gosDeinit(void)
{
/* ToDo */
}
void *gfxRealloc(void *ptr, gMemSize oldsz, gMemSize newsz)
{
void *np;
if (newsz <= oldsz)
return ptr;
np = gfxAlloc(newsz);
if (!np)
return 0;
if (oldsz)
memcpy(np, ptr, oldsz);
return np;
}
void gfxSleepMilliseconds(gDelay ms)
{
switch(ms) {
case gDelayNone: chThdYield(); return;
case gDelayForever: chThdSleep(TIME_INFINITE); return;
default: chThdSleepMilliseconds(ms); return;
}
}
void gfxSleepMicroseconds(gDelay ms)
{
switch(ms) {
case gDelayNone: return;
case gDelayForever: chThdSleep(TIME_INFINITE); return;
default: chThdSleepMicroseconds(ms); return;
}
}
void gfxSemInit(gSem *psem, gSemcount val, gSemcount limit)
{
if (val > limit)
val = limit;
psem->limit = limit;
#if CH_KERNEL_MAJOR <= 2
chSemInit(&psem->sem, val);
#else
chSemObjectInit(&psem->sem, val);
#endif
}
void gfxSemDestroy(gSem *psem)
{
chSemReset(&psem->sem, 1);
}
gBool gfxSemWait(gSem *psem, gDelay ms)
{
#if CH_KERNEL_MAJOR <= 2
switch(ms) {
case gDelayNone: return chSemWaitTimeout(&psem->sem, TIME_IMMEDIATE) != RDY_TIMEOUT;
case gDelayForever: chSemWait(&psem->sem); return gTrue;
default: return chSemWaitTimeout(&psem->sem, gfxMillisecondsToTicks(ms)) != RDY_TIMEOUT;
}
#else
switch(ms) {
case gDelayNone: return chSemWaitTimeout(&psem->sem, TIME_IMMEDIATE) != MSG_TIMEOUT;
case gDelayForever: chSemWait(&psem->sem); return gTrue;
default: return chSemWaitTimeout(&psem->sem, gfxMillisecondsToTicks(ms)) != MSG_TIMEOUT;
}
#endif
}
gBool gfxSemWaitI(gSem *psem)
{
#if CH_KERNEL_MAJOR <= 3
if (psem->sem.s_cnt <= 0)
return gFalse;
#else
if (psem->sem.cnt <= 0)
return gFalse;
#endif
chSemFastWaitI(&psem->sem);
return gTrue;
}
void gfxSemSignal(gSem *psem)
{
chSysLock();
#if CH_KERNEL_MAJOR <= 3
if (psem->sem.s_cnt < psem->limit)
chSemSignalI(&psem->sem);
#else
if (psem->sem.cnt < psem->limit)
chSemSignalI(&psem->sem);
#endif
chSchRescheduleS();
chSysUnlock();
}
void gfxSemSignalI(gSem *psem)
{
#if CH_KERNEL_MAJOR <= 3
if (psem->sem.s_cnt < psem->limit)
chSemSignalI(&psem->sem);
#else
if (psem->sem.cnt < psem->limit)
chSemSignalI(&psem->sem);
#endif
}
gThread gfxThreadCreate(void *stackarea, gMemSize stacksz, gThreadpriority prio, GFX_THREAD_FUNCTION((*fn),p), void *param)
{
if (!stackarea) {
if (!stacksz) stacksz = 256;
#if CH_KERNEL_MAJOR <= 3
return chThdCreateFromHeap(0, stacksz, prio, (tfunc_t)fn, param);
#else
return chThdCreateFromHeap(0, stacksz, "ugfx", prio, (tfunc_t)fn, param);
#endif
}
if (!stacksz)
return 0;
return chThdCreateStatic(stackarea, stacksz, prio, (tfunc_t)fn, param);
}
#endif /* GFX_USE_OS_CHIBIOS */
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