1 /* FreeRTOS timer tests
2 */
3 #include <stdio.h>
4 #include "unity.h"
5 #include "freertos/FreeRTOS.h"
6 #include "freertos/task.h"
7 #include "freertos/timers.h"
8
timer_callback(TimerHandle_t timer)9 static void timer_callback(TimerHandle_t timer)
10 {
11 volatile int *count;
12 count = (volatile int *)pvTimerGetTimerID( timer );
13 (*count)++;
14 printf("Callback timer %p count %p = %d\n", timer, count, *count);
15 }
16
17 TEST_CASE("Oneshot FreeRTOS timers", "[freertos]")
18 {
19 volatile int count = 0;
20 TimerHandle_t oneshot = xTimerCreate("oneshot", 100 / portTICK_PERIOD_MS, pdFALSE,
21 (void *)&count, timer_callback);
22 TEST_ASSERT(oneshot);
23 TEST_ASSERT_EQUAL(pdFALSE, xTimerIsTimerActive(oneshot));
24 TEST_ASSERT_EQUAL(0, count);
25
26 TEST_ASSERT( xTimerStart(oneshot, 1) );
27 vTaskDelay(2); /* give the timer task a chance to process the message */
28
29 TEST_ASSERT_EQUAL(pdTRUE, xTimerIsTimerActive(oneshot));
30 TEST_ASSERT_EQUAL(0, count);
31
32 vTaskDelay(250 / portTICK_PERIOD_MS); // 2.5 timer periods
33
34 TEST_ASSERT_EQUAL(1, count);
35 TEST_ASSERT_EQUAL(pdFALSE, xTimerIsTimerActive(oneshot));
36
37 TEST_ASSERT( xTimerDelete(oneshot, 1) );
38 }
39
40
41 TEST_CASE("Recurring FreeRTOS timers", "[freertos]")
42 {
43 volatile int count = 0;
44 TimerHandle_t recurring = xTimerCreate("oneshot", 100 / portTICK_PERIOD_MS, pdTRUE,
45 (void *)&count, timer_callback);
46 TEST_ASSERT(recurring);
47 TEST_ASSERT_EQUAL(pdFALSE, xTimerIsTimerActive(recurring));
48 TEST_ASSERT_EQUAL(0, count);
49
50 TEST_ASSERT( xTimerStart(recurring, 1) );
51
52 vTaskDelay(2); // let timer task process the queue
53 TEST_ASSERT_EQUAL(pdTRUE, xTimerIsTimerActive(recurring));
54 TEST_ASSERT_EQUAL(0, count);
55
56 vTaskDelay(250 / portTICK_PERIOD_MS); // 2.5 timer periods
57
58 TEST_ASSERT_EQUAL(2, count);
59 TEST_ASSERT_EQUAL(pdTRUE, xTimerIsTimerActive(recurring));
60
61 TEST_ASSERT( xTimerStop(recurring, 1) );
62
63 TEST_ASSERT_EQUAL(2, count);
64
65 vTaskDelay(100 / portTICK_PERIOD_MS); // One more timer period
66 TEST_ASSERT_EQUAL(2, count); // hasn't gone up
67 TEST_ASSERT_EQUAL(pdFALSE, xTimerIsTimerActive(recurring));
68
69 TEST_ASSERT( xTimerDelete(recurring, 1) );
70 }
71
72 TEST_CASE("Static timer creation", "[freertos]")
73 {
74 StaticTimer_t static_timer;
75 TimerHandle_t created_timer;
76 volatile int count = 0;
77
78 created_timer = xTimerCreateStatic("oneshot", 100 / portTICK_PERIOD_MS,
79 pdTRUE,
80 (void *)&count,
81 timer_callback,
82 &static_timer);
83
84 TEST_ASSERT_NOT_NULL(created_timer);
85 }
86
