Adding dedicated support for generic CMSIS RTOS and specific KEIL RTX

1 files changed, 105 insertions, 0 deletions

diff --git a/src/gos/gos_cmsis.h b/src/gos/gos_cmsis.h
new file mode 100644
index 00000000..a0833c07
--- /dev/null
+++ b/src/gos/gos_cmsis.h
@@ -0,0 +1,105 @@
+/*
+ * 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
+ */
+
+/**
+ * @file    src/gos/gos_cmsis.h
+ * @brief   GOS - Operating System Support header file for CMSIS RTOS.
+ */
+
+#ifndef _GOS_CMSIS_H
+#define _GOS_CMSIS_H
+
+#if GFX_USE_OS_CMSIS
+
+#include <stdbool.h>
+#include "cmsis_os.h"
+
+#ifndef GFX_OS_HEAP_SIZE
+	#define GFX_OS_HEAP_SIZE 10240
+#endif
+
+/*===========================================================================*/
+/* Type definitions                                                          */
+/*===========================================================================*/
+
+typedef bool				bool_t;
+
+#define TIME_IMMEDIATE		0
+#define TIME_INFINITE		osWaitForever
+typedef uint32_t			delaytime_t;
+typedef uint32_t			systemticks_t;
+typedef uint16_t			semcount_t;
+typedef void				threadreturn_t;
+typedef osPriority			threadpriority_t;
+
+#define MAX_SEMAPHORE_COUNT	osFeature_Semaphore
+#define LOW_PRIORITY		osPriorityLow
+#define NORMAL_PRIORITY		osPriorityNormal
+#define HIGH_PRIORITY		osPriorityHigh
+
+typedef struct gfxSem {
+	osSemaphoreDef_t def;
+	osSemaphoreId id;
+} gfxSem;
+
+typedef struct gfxMutex {
+	osMutexDef_t def;
+	osMutexId id;
+} gfxMutex;
+
+typedef osThreadId			gfxThreadHandle;
+
+#define DECLARE_THREAD_STACK(name, sz)			uint8_t name[1];	// Some compilers don't allow zero sized arrays. Let's waste one byte
+#define DECLARE_THREAD_FUNCTION(fnName, param)	threadreturn_t fnName(void* param)
+#define THREAD_RETURN(retval)
+
+/*===========================================================================*/
+/* Function declarations.                                                    */
+/*===========================================================================*/
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define gfxExit()					os_error(0)
+#define gfxHalt(msg)				os_error(1)
+#define gfxSystemTicks()			osKernelSysTick()
+#define gfxMillisecondsToTicks(ms)	osKernelSysTickMicroSec(1000*ms)
+#define gfxSystemLock()				osKernelInitialize()
+#define gfxSystemUnlock()			osKernelStart()
+#define gfxSleepMilliseconds(ms) 	osDelay(ms)
+
+void gfxMutexInit(gfxMutex* pmutex);
+#define gfxMutexDestroy(pmutex)		osMutexDelete((pmutex)->id)
+#define gfxMutexEnter(pmutex)		osMutexWait((pmutex)->id, TIME_INFINITE)
+#define gfxMutexExit(pmutex)		osMutexRelease((pmutex)->id)
+
+void gfxSemInit(gfxSem* psem, semcount_t val, semcount_t limit);
+void gfxSemDestroy(gfxSem* psem);
+bool_t gfxSemWait(gfxSem* psem, delaytime_t ms);
+bool_t gfxSemWaitI(gfxSem* psem);
+void gfxSemSignal(gfxSem* psem);
+void gfxSemSignalI(gfxSem* psem);
+
+gfxThreadHandle gfxThreadCreate(void* stackarea, size_t stacksz, threadpriority_t prio, DECLARE_THREAD_FUNCTION((*fn),p), void* param);
+#define gfxYield()					osThreadYield()
+#define gfxThreadMe()				osThreadGetId()
+#define gfxThreadClose(thread)		{}
+
+#ifdef __cplusplus
+}
+#endif
+
+/*===========================================================================*/
+/* Use the generic heap handling                                             */
+/*===========================================================================*/
+
+#define GOS_NEED_X_HEAP TRUE
+#include "gos_x_heap.h"
+
+#endif /* GFX_USE_OS_CMSIS */
+#endif /* _GOS_CMSIS_H */