107 lines
3.2 KiB
C
107 lines
3.2 KiB
C
/*
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* This file is subject to the terms of the GFX License. If a copy of
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* the license was not distributed with this file, you can obtain one at:
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*
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* http://ugfx.org/license.html
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*/
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/**
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* @file src/gos/gos_cmsis.h
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* @brief GOS - Operating System Support header file for CMSIS RTOS.
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*/
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#ifndef _GOS_CMSIS_H
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#define _GOS_CMSIS_H
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#if GFX_USE_OS_CMSIS
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#include <stdbool.h>
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#include "cmsis_os.h"
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#ifndef GFX_OS_HEAP_SIZE
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#define GFX_OS_HEAP_SIZE 10240
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#endif
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/*===========================================================================*/
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/* Type definitions */
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/*===========================================================================*/
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typedef bool bool_t;
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#define TIME_IMMEDIATE 0
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#define TIME_INFINITE osWaitForever
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typedef uint32_t delaytime_t;
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typedef uint32_t systemticks_t;
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typedef uint16_t semcount_t;
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typedef void threadreturn_t;
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typedef osPriority threadpriority_t;
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#define MAX_SEMAPHORE_COUNT osFeature_Semaphore
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#define LOW_PRIORITY osPriorityLow
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#define NORMAL_PRIORITY osPriorityNormal
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#define HIGH_PRIORITY osPriorityHigh
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typedef struct gfxSem {
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uint32_t semaphore[2];
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osSemaphoreId id;
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semcount_t available;
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} gfxSem;
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typedef struct gfxMutex {
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uint32_t mutex[4];
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osMutexId id;
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} gfxMutex;
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typedef osThreadId gfxThreadHandle;
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#define DECLARE_THREAD_STACK(name, sz) uint8_t name[1]; // Some compilers don't allow zero sized arrays. Let's waste one byte
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#define DECLARE_THREAD_FUNCTION(fnName, param) threadreturn_t fnName(void* param)
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#define THREAD_RETURN(retval)
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/*===========================================================================*/
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/* Function declarations. */
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/*===========================================================================*/
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define gfxExit() os_error(0)
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#define gfxHalt(msg) os_error(1)
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#define gfxSystemTicks() osKernelSysTick()
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#define gfxMillisecondsToTicks(ms) osKernelSysTickMicroSec(1000*ms)
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#define gfxSystemLock() osKernelInitialize()
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#define gfxSystemUnlock() osKernelStart()
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#define gfxSleepMilliseconds(ms) osDelay(ms)
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void gfxMutexInit(gfxMutex* pmutex);
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#define gfxMutexDestroy(pmutex) osMutexDelete((pmutex)->id)
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#define gfxMutexEnter(pmutex) osMutexWait((pmutex)->id, TIME_INFINITE)
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#define gfxMutexExit(pmutex) osMutexRelease((pmutex)->id)
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void gfxSemInit(gfxSem* psem, semcount_t val, semcount_t limit);
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void gfxSemDestroy(gfxSem* psem);
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bool_t gfxSemWait(gfxSem* psem, delaytime_t ms);
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bool_t gfxSemWaitI(gfxSem* psem);
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void gfxSemSignal(gfxSem* psem);
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void gfxSemSignalI(gfxSem* psem);
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gfxThreadHandle gfxThreadCreate(void* stackarea, size_t stacksz, threadpriority_t prio, DECLARE_THREAD_FUNCTION((*fn),p), void* param);
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#define gfxYield() osThreadYield()
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#define gfxThreadMe() osThreadGetId()
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#define gfxThreadClose(thread) {}
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#ifdef __cplusplus
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}
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#endif
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/*===========================================================================*/
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/* Use the generic heap handling */
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/*===========================================================================*/
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#define GOS_NEED_X_HEAP TRUE
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#include "gos_x_heap.h"
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#endif /* GFX_USE_OS_CMSIS */
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#endif /* _GOS_CMSIS_H */
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