mirror of
https://github.com/RIOT-OS/RIOT.git
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107 lines
2.7 KiB
C
107 lines
2.7 KiB
C
/*
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* Copyright (C) 2018 Gunar Schorcht
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*
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* This file is subject to the terms and conditions of the GNU Lesser
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* General Public License v2.1. See the file LICENSE in the top level
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* directory for more details.
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*
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* FreeRTOS to RIOT-OS adaption module for source code compatibility
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*/
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#ifndef DOXYGEN
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#define ENABLE_DEBUG 0
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#include "debug.h"
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#include <string.h>
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#include "esp_common.h"
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#include "esp_attr.h"
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#include "log.h"
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#include "xtimer.h"
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#include "freertos/FreeRTOS.h"
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#include "freertos/timers.h"
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typedef struct {
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xtimer_t xtimer; /* xtimer object */
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const char* name; /* FreeRTOS timer name */
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uint32_t period; /* in us */
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bool autoreload; /* FreeRTOS timer reload indicator */
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const void* timerid; /* FreeRTOS timer id */
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TimerCallbackFunction_t cb; /* FreeRTOS callback function */
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} freertos_xtimer_t;
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static void IRAM_ATTR _xtimer_callback (void *arg)
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{
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CHECK_PARAM(arg != NULL);
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freertos_xtimer_t* timer = (freertos_xtimer_t*)arg;
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if (timer->autoreload) {
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xtimer_set(&timer->xtimer, timer->period);
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}
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if (timer->cb) {
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timer->cb(arg);
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}
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}
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TimerHandle_t xTimerCreate (const char * const pcTimerName,
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const TickType_t xTimerPeriod,
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const UBaseType_t uxAutoReload,
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void * const pvTimerID,
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TimerCallbackFunction_t pxCallbackFunction)
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{
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freertos_xtimer_t* timer = malloc(sizeof(freertos_xtimer_t));
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if (timer == NULL) {
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return NULL;
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}
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/* FreeRTOS timer parameter */
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timer->name = pcTimerName;
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timer->period = xTimerPeriod * portTICK_PERIOD_MS * USEC_PER_MSEC;
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timer->autoreload = uxAutoReload;
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timer->timerid = pvTimerID;
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timer->cb = pxCallbackFunction;
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/* xtimer parameter */
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timer->xtimer.callback = _xtimer_callback;
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timer->xtimer.arg = timer;
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return timer;
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}
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BaseType_t xTimerDelete(TimerHandle_t xTimer, TickType_t xBlockTime)
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{
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CHECK_PARAM_RET(xTimer != NULL, pdFALSE);
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freertos_xtimer_t* timer = (freertos_xtimer_t*)xTimer;
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xtimer_remove(&timer->xtimer);
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free(timer);
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return pdTRUE;
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}
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BaseType_t xTimerStart (TimerHandle_t xTimer, TickType_t xBlockTime)
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{
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CHECK_PARAM_RET(xTimer != NULL, pdFALSE);
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freertos_xtimer_t* timer = (freertos_xtimer_t*)xTimer;
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xtimer_set(&timer->xtimer, timer->period);
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return pdTRUE;
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}
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BaseType_t xTimerStop (TimerHandle_t xTimer, TickType_t xBlockTime)
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{
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CHECK_PARAM_RET(xTimer != NULL, pdFALSE);
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freertos_xtimer_t* timer = (freertos_xtimer_t*)xTimer;
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xtimer_remove(&timer->xtimer);
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return pdTRUE;
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}
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#endif /* DOXYGEN */
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