ugfx/include/gos/chibios.h
2013-06-15 21:37:22 +10:00

99 lines
3.0 KiB
C

/*
* 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://chibios-gfx.com/license.html
*/
/**
* @file include/gos/chibios.h
* @brief GOS - Operating System Support header file for ChibiOS.
*/
#ifndef _GOS_CHIBIOS_H
#define _GOS_CHIBIOS_H
#if GFX_USE_OS_CHIBIOS
#include "ch.h"
#include "hal.h"
/*===========================================================================*/
/* Type definitions */
/*===========================================================================*/
/**
* bool_t,
* int8_t, uint8_t,
* int16_t, uint16_t,
* int32_t, uint32_t,
* size_t
* TRUE, FALSE
* TIME_IMMEDIATE, TIME_INFINITE
* are already defined by ChibiOS
*/
typedef systime_t delaytime_t;
typedef systime_t systemticks_t;
typedef cnt_t semcount_t;
typedef msg_t threadreturn_t;
typedef tprio_t threadpriority_t;
#define MAX_SEMAPHORE_COUNT ((semcount_t)(((unsigned long)((semcount_t)(-1))) >> 1))
#define LOW_PRIORITY LOWPRIO
#define NORMAL_PRIORITY NORMALPRIO
#define HIGH_PRIORITY HIGHPRIO
#define DECLARE_THREAD_STACK(name, sz) WORKING_AREA(name, sz)
#define DECLARE_THREAD_FUNCTION(fnName, param) threadreturn_t fnName(void *param)
typedef struct {
Semaphore sem;
semcount_t limit;
} gfxSem;
typedef Mutex gfxMutex;
typedef Thread * gfxThreadHandle;
/*===========================================================================*/
/* Function declarations. */
/*===========================================================================*/
#ifdef __cplusplus
extern "C" {
#endif
#define gfxHalt(msg) chDbgPanic(msg)
#define gfxExit() chSysHalt()
#define gfxAlloc(sz) chHeapAlloc(NULL, sz)
#define gfxFree(ptr) chHeapFree(ptr)
#define gfxYield() chThdYield()
#define gfxSystemTicks() chTimeNow()
#define gfxMillisecondsToTicks(ms) MS2ST(ms)
#define gfxSystemLock() chSysLock()
#define gfxSystemUnlock() chSysUnlock()
#define gfxMutexInit(pmutex) chMtxInit(pmutex)
#define gfxMutexDestroy(pmutex) {}
#define gfxMutexEnter(pmutex) chMtxLock(pmutex)
#define gfxMutexExit(pmutex) chMtxUnlock()
void gfxSleepMilliseconds(delaytime_t ms);
void gfxSleepMicroseconds(delaytime_t ms);
void gfxSemInit(gfxSem *psem, semcount_t val, semcount_t limit);
void gfxSemDestroy(gfxSem *psem);
bool_t gfxSemWait(gfxSem *psem, delaytime_t ms);
void gfxSemSignal(gfxSem *psem);
void gfxSemSignalI(gfxSem *psem);
#define gfxSemCounterI(psem) ((psem)->sem.s_cnt)
#define gfxSemCounter(psem) ((psem)->sem.s_cnt)
gfxThreadHandle gfxThreadCreate(void *stackarea, size_t stacksz, threadpriority_t prio, DECLARE_THREAD_FUNCTION((*fn),p), void *param);
#define gfxThreadWait(thread) chThdWait(thread)
#define gfxThreadMe() chThdSelf()
#define gfxThreadClose(thread) {}
#ifdef __cplusplus
}
#endif
#endif /* GFX_USE_OS_CHIBIOS */
#endif /* _GOS_CHIBIOS_H */