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authorJoel Bodenmann <joel@unormal.org>2014-09-29 08:07:43 +0200
committerinmarket <andrewh@inmarket.com.au>2014-09-29 16:22:35 +1000
commit8efdd2c51419ad7a38a6594ecabe729c6ab824e4 (patch)
tree38a6dd324e04c4076f62dce2671ae88b10b96bfc /src/gos/gos_freertos.h
parentb7a89b2adaa9ee170d20a0454309ed204a6ffa39 (diff)
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/src/gos/gfx_* -> /src/gos/gos_*
Diffstat (limited to 'src/gos/gos_freertos.h')
-rw-r--r--src/gos/gos_freertos.h122
1 files changed, 122 insertions, 0 deletions
diff --git a/src/gos/gos_freertos.h b/src/gos/gos_freertos.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/gfx_freertos.h
+ * @brief GOS - Operating System Support header file for FreeRTOS.
+ */
+
+#ifndef _GOS_FREERTOS_H
+#define _GOS_FREERTOS_H
+
+#if GFX_USE_OS_FREERTOS
+
+#include "FreeRTOS.h"
+#include "FreeRTOSConfig.h"
+#include "semphr.h"
+#include "task.h"
+
+/*===========================================================================*/
+/* Type definitions */
+/*===========================================================================*/
+
+/* Additional types are required when FreeRTOS 7.x is used */
+#if !defined(tskKERNEL_VERSION_MAJOR) && !tskKERNEL_VERSION_MAJOR == 8
+ typedef signed char int8_t
+ typedef unsigned char uint8_t
+ typedef signed int int16_t
+ typedef unsigned int uint16_t
+ typedef signed long int int32_t
+ typedef unsigned long int uint32_t
+ typedef signed long long int int64_t
+ typedef unsigned long long int uint64_t
+#endif
+
+/**
+ * bool_t,
+ * int8_t, uint8_t,
+ * int16_t, uint16_t,
+ * int32_t, uint32_t,
+ * size_t
+ * TRUE, FALSE
+ * are already defined by FreeRTOS
+ */
+#define TIME_IMMEDIATE 0
+#define TIME_INFINITE ((delaytime_t)-1)
+typedef int8_t bool_t;
+typedef uint32_t delaytime_t;
+typedef portTickType systemticks_t;
+typedef int32_t semcount_t;
+typedef void threadreturn_t;
+typedef portBASE_TYPE threadpriority_t;
+
+#define MAX_SEMAPHORE_COUNT ((semcount_t)(((unsigned long)((semcount_t)(-1))) >> 1))
+#define LOW_PRIORITY 0
+#define NORMAL_PRIORITY configMAX_PRIORITIES/2
+#define HIGH_PRIORITY configMAX_PRIORITIES-1
+
+/* FreeRTOS will allocate the stack when creating the thread, so pass the size instead of a working area */
+#define DECLARE_THREAD_STACK(name, sz) size_t *name = (size_t *)sz
+#define DECLARE_THREAD_FUNCTION(fnName, param) threadreturn_t fnName(void *param)
+portTickType MS2ST(portTickType ms);
+
+typedef struct {
+ xSemaphoreHandle sem;
+ semcount_t limit;
+ semcount_t counter;
+} gfxSem;
+
+typedef xSemaphoreHandle gfxMutex;
+typedef xTaskHandle* gfxThreadHandle;
+
+/*===========================================================================*/
+/* Function declarations. */
+/*===========================================================================*/
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define gfxHalt(msg) {}
+#define gfxExit() {}
+#define gfxAlloc(sz) pvPortMalloc(sz)
+#define gfxFree(ptr) vPortFree(ptr)
+#define gfxYield() taskYIELD()
+#define gfxSystemTicks() xTaskGetTickCount()
+#define gfxMillisecondsToTicks(ms) MS2ST(ms)
+#define gfxSystemLock() {}
+#define gfxSystemUnlock() {}
+
+void gfxMutexInit(xSemaphoreHandle* s);
+#define gfxMutexDestroy(pmutex) vSemaphoreDelete(*pmutex)
+#define gfxMutexEnter(pmutex) xSemaphoreTake(*pmutex,portMAX_DELAY)
+#define gfxMutexExit(pmutex) xSemaphoreGive(*pmutex)
+
+void *gfxRealloc(void *ptr, size_t oldsz, size_t newsz);
+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);
+bool_t gfxSemWaitI(gfxSem* psem);
+void gfxSemSignal(gfxSem* psem);
+void gfxSemSignalI(gfxSem* psem);
+#define gfxSemCounterI(psem) ((psem)->counter)
+#define gfxSemCounter(psem) ((psem)->counter)
+gfxThreadHandle gfxThreadCreate(void *stackarea, size_t stacksz, threadpriority_t prio, DECLARE_THREAD_FUNCTION((*fn),p), void *param);
+
+#define gfxThreadWait(thread) {} // never used, not imlpemented
+#define gfxThreadMe() {} // never used, not implemented
+#define gfxThreadClose(thread) {}
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* GFX_USE_OS_FREERTOS */
+#endif /* _GOS_CHIBIOS_H */