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-rw-r--r--src/gos/gos_cmsis2.h99
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diff --git a/src/gos/gos_cmsis2.h b/src/gos/gos_cmsis2.h
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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.org/license.html
+ */
+
+/**
+ * @file src/gos/gos_cmsis2.h
+ * @brief GOS - Operating System Support header file for CMSIS 2.0 RTOS.
+ */
+
+#ifndef _GOS_CMSIS2_H
+#define _GOS_CMSIS2_H
+
+#if GFX_USE_OS_CMSIS2
+
+#include <stdbool.h>
+#include "cmsis_os2.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_t threadpriority_t;
+
+#define MAX_SEMAPHORE_COUNT osFeature_Semaphore
+#define LOW_PRIORITY osPriorityLow
+#define NORMAL_PRIORITY osPriorityNormal
+#define HIGH_PRIORITY osPriorityHigh
+
+typedef osSemaphoreId_t gfxSem;
+
+typedef osMutexId_t gfxMutex;
+
+typedef osThreadId_t 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() osKernelGetSysTimerCount()
+#define gfxMillisecondsToTicks(ms) (1000*(ms)/osKernelGetTickFreq())
+#define gfxSystemLock() osKernelLock()
+#define gfxSystemUnlock() osKernelUnlock()
+#define gfxSleepMilliseconds(ms) osDelay(ms)
+
+void gfxMutexInit(gfxMutex* pmutex);
+#define gfxMutexDestroy(pmutex) osMutexDelete(*(pmutex))
+#define gfxMutexEnter(pmutex) osMutexAcquire(*(pmutex), TIME_INFINITE)
+#define gfxMutexExit(pmutex) osMutexRelease(*(pmutex))
+
+void gfxSemInit(gfxSem* psem, semcount_t val, semcount_t limit);
+#define gfxSemDestroy(psem) osSemaphoreDelete(*(psem))
+bool_t gfxSemWait(gfxSem* psem, delaytime_t ms);
+#define gfxSemWaitI(psem) gfxSemWait((psem), 0)
+#define gfxSemSignal(psem) osSemaphoreRelease(*(psem))
+#define gfxSemSignalI(psem) osSemaphoreRelease(*(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 */