GOS module, for operating system independance

GMISC fast floating point trig
GMISC fast fixed point trig

1 files changed, 124 insertions, 0 deletions

diff --git a/include/gos/chibios.h b/include/gos/chibios.h
new file mode 100644
index 00000000..37bf93ee
--- /dev/null
+++ b/include/gos/chibios.h
@@ -0,0 +1,124 @@
+/*
+    ChibiOS/GFX - Copyright (C) 2012, 2013
+                 Joel Bodenmann aka Tectu <joel@unormal.org>
+
+    This file is part of ChibiOS/GFX.
+
+    ChibiOS/GFX is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 3 of the License, or
+    (at your option) any later version.
+
+    ChibiOS/GFX is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+/**
+ * @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;
+
+typedef threadreturn_t (*gfxThreadFunction)(void *param);
+
+#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 DECLARESTACK(name, sz)		WORKING_AREA(name, sz);
+
+
+typedef struct {
+	Semaphore	sem;
+	semcount_t	limit;
+	} gfxSem;
+
+#define gfxMutex	Mutex
+
+typedef struct gfxQueue {
+	struct gfxQueueItem *head;
+	struct gfxQueueItem *tail;
+	Semaphore			sem;
+	} gfxQueue;
+
+typedef struct gfxQueueItem {
+	struct gfxQueueItem *next;
+	Semaphore			sem;
+	} gfxQueueItem;
+
+/*===========================================================================*/
+/* 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)
+void gfxSleepMilliseconds(delaytime_t ms);
+void gfxSleepMicroseconds(delaytime_t ms);
+void gfxSemInit(gfxSem *psem, semcount_t val, semcount_t limit);
+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)
+#define gfxSystemTicks()			chTimeNow()
+#define gfxMillisecondsToTicks(ms)	MS2ST(ms)
+#define gfxYield()					chThdYield()
+#define gfxSystemLock()				chSysLock()
+#define gfxSystemUnlock()			chSysUnlock()
+#define gfxMutexInit(pmutex)		chMtxInit(pmutex)
+#define gfxMutexEnter(pmutex)		chMtxLock(pmutex)
+#define gfxMutexExit(pmutex)		chMtxUnlock()
+void gfxQueueInit(gfxQueue *pqueue);
+gfxQueueItem * gfxQueueGet(gfxQueue *pqueue, delaytime_t ms);
+bool_t gfxQueuePut(gfxQueue *pqueue, gfxQueueItem *pitem, delaytime_t ms);
+#define gfxQueuePop(q)	gfxQueueGet(q)
+bool_t gfxQueuePush(gfxQueue *pqueue, gfxQueueItem *pitem, delaytime_t ms);
+void gfxQueueRemove(gfxQueue *pqueue, gfxQueueItem *pitem);
+bool_t gfxQueueIsEmpty(gfxQueue *pqueue);
+bool_t gfxQueueIsIn(gfxQueue *pqueue, gfxQueueItem *pitem);
+bool_t gfxCreateThread(void *stackarea, size_t stacksz, threadpriority_t prio, gfxThreadFunction fn, void *param);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* GFX_USE_OS_CHIBIOS */
+#endif /* _GOS_CHIBIOS_H */