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86 lines
2.6 KiB
C
86 lines
2.6 KiB
C
/* FreeRTOS timer tests
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*/
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#include <stdio.h>
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#include "unity.h"
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#include "freertos/FreeRTOS.h"
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#include "freertos/task.h"
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#include "freertos/timers.h"
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static void timer_callback(TimerHandle_t timer)
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{
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volatile int *count;
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count = (volatile int *)pvTimerGetTimerID( timer );
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(*count)++;
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printf("Callback timer %p count %p = %d\n", timer, count, *count);
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}
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TEST_CASE("Oneshot FreeRTOS timers", "[freertos]")
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{
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volatile int count = 0;
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TimerHandle_t oneshot = xTimerCreate("oneshot", 100 / portTICK_PERIOD_MS, pdFALSE,
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(void *)&count, timer_callback);
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TEST_ASSERT(oneshot);
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TEST_ASSERT_EQUAL(pdFALSE, xTimerIsTimerActive(oneshot));
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TEST_ASSERT_EQUAL(0, count);
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TEST_ASSERT( xTimerStart(oneshot, 1) );
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vTaskDelay(2); /* give the timer task a chance to process the message */
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TEST_ASSERT_EQUAL(pdTRUE, xTimerIsTimerActive(oneshot));
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TEST_ASSERT_EQUAL(0, count);
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vTaskDelay(250 / portTICK_PERIOD_MS); // 2.5 timer periods
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TEST_ASSERT_EQUAL(1, count);
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TEST_ASSERT_EQUAL(pdFALSE, xTimerIsTimerActive(oneshot));
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TEST_ASSERT( xTimerDelete(oneshot, 1) );
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}
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TEST_CASE("Recurring FreeRTOS timers", "[freertos]")
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{
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volatile int count = 0;
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TimerHandle_t recurring = xTimerCreate("oneshot", 100 / portTICK_PERIOD_MS, pdTRUE,
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(void *)&count, timer_callback);
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TEST_ASSERT(recurring);
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TEST_ASSERT_EQUAL(pdFALSE, xTimerIsTimerActive(recurring));
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TEST_ASSERT_EQUAL(0, count);
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TEST_ASSERT( xTimerStart(recurring, 1) );
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vTaskDelay(2); // let timer task process the queue
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TEST_ASSERT_EQUAL(pdTRUE, xTimerIsTimerActive(recurring));
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TEST_ASSERT_EQUAL(0, count);
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vTaskDelay(250 / portTICK_PERIOD_MS); // 2.5 timer periods
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TEST_ASSERT_EQUAL(2, count);
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TEST_ASSERT_EQUAL(pdTRUE, xTimerIsTimerActive(recurring));
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TEST_ASSERT( xTimerStop(recurring, 1) );
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TEST_ASSERT_EQUAL(2, count);
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vTaskDelay(100 / portTICK_PERIOD_MS); // One more timer period
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TEST_ASSERT_EQUAL(2, count); // hasn't gone up
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TEST_ASSERT_EQUAL(pdFALSE, xTimerIsTimerActive(recurring));
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TEST_ASSERT( xTimerDelete(recurring, 1) );
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}
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TEST_CASE("Static timer creation", "[freertos]")
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{
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StaticTimer_t static_timer;
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TimerHandle_t created_timer;
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volatile int count = 0;
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created_timer = xTimerCreateStatic("oneshot", 100 / portTICK_PERIOD_MS,
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pdTRUE,
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(void *)&count,
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timer_callback,
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&static_timer);
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TEST_ASSERT_NOT_NULL(created_timer);
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}
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