esp-idf/components/freertos/test/test_timers.c

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2017-03-06 19:31:46 -05:00
/* FreeRTOS timer tests
*/
#include <stdio.h>
#include "unity.h"
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include "freertos/timers.h"
static void timer_callback(TimerHandle_t timer)
{
volatile int *count;
count = (volatile int *)pvTimerGetTimerID( timer );
(*count)++;
printf("Callback timer %p count %p = %d\n", timer, count, *count);
}
TEST_CASE("Oneshot FreeRTOS timers", "[freertos]")
{
volatile int count = 0;
TimerHandle_t oneshot = xTimerCreate("oneshot", 100 / portTICK_PERIOD_MS, pdFALSE,
(void *)&count, timer_callback);
TEST_ASSERT(oneshot);
TEST_ASSERT_EQUAL(pdFALSE, xTimerIsTimerActive(oneshot));
TEST_ASSERT_EQUAL(0, count);
TEST_ASSERT( xTimerStart(oneshot, 1) );
vTaskDelay(2); /* give the timer task a chance to process the message */
TEST_ASSERT_EQUAL(pdTRUE, xTimerIsTimerActive(oneshot));
TEST_ASSERT_EQUAL(0, count);
vTaskDelay(250 / portTICK_PERIOD_MS); // 2.5 timer periods
TEST_ASSERT_EQUAL(1, count);
TEST_ASSERT_EQUAL(pdFALSE, xTimerIsTimerActive(oneshot));
TEST_ASSERT( xTimerDelete(oneshot, 1) );
}
TEST_CASE("Recurring FreeRTOS timers", "[freertos]")
{
volatile int count = 0;
TimerHandle_t recurring = xTimerCreate("oneshot", 100 / portTICK_PERIOD_MS, pdTRUE,
(void *)&count, timer_callback);
TEST_ASSERT(recurring);
TEST_ASSERT_EQUAL(pdFALSE, xTimerIsTimerActive(recurring));
TEST_ASSERT_EQUAL(0, count);
TEST_ASSERT( xTimerStart(recurring, 1) );
vTaskDelay(2); // let timer task process the queue
TEST_ASSERT_EQUAL(pdTRUE, xTimerIsTimerActive(recurring));
TEST_ASSERT_EQUAL(0, count);
vTaskDelay(250 / portTICK_PERIOD_MS); // 2.5 timer periods
TEST_ASSERT_EQUAL(2, count);
TEST_ASSERT_EQUAL(pdTRUE, xTimerIsTimerActive(recurring));
TEST_ASSERT( xTimerStop(recurring, 1) );
TEST_ASSERT_EQUAL(2, count);
vTaskDelay(100 / portTICK_PERIOD_MS); // One more timer period
TEST_ASSERT_EQUAL(2, count); // hasn't gone up
TEST_ASSERT_EQUAL(pdFALSE, xTimerIsTimerActive(recurring));
TEST_ASSERT( xTimerDelete(recurring, 1) );
}
TEST_CASE("Static timer creation", "[freertos]")
{
StaticTimer_t static_timer;
TimerHandle_t created_timer;
volatile int count = 0;
created_timer = xTimerCreateStatic("oneshot", 100 / portTICK_PERIOD_MS,
pdTRUE,
(void *)&count,
timer_callback,
&static_timer);
TEST_ASSERT_NOT_NULL(created_timer);
}