This commit updates various test cases throughout esp-idf such that the values used for timer divider pass the assertions in the timer component. Timer divider values must be between 2 to 65536
173 lines
4.8 KiB
C
173 lines
4.8 KiB
C
/* Tests for FreeRTOS task suspend & resume */
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#include <stdio.h>
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#include "freertos/FreeRTOS.h"
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#include "freertos/task.h"
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#include "freertos/semphr.h"
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#include "freertos/queue.h"
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#include "freertos/xtensa_api.h"
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#include "unity.h"
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#include "soc/cpu.h"
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#include "driver/timer.h"
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/* Counter task counts a target variable forever */
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static void task_count(void *vp_counter)
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{
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volatile unsigned *counter = (volatile unsigned *)vp_counter;
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*counter = 0;
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while (1) {
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(*counter)++;
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vTaskDelay(1);
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}
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}
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static void test_suspend_resume(int target_core)
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{
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volatile unsigned counter = 0;
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TaskHandle_t counter_task;
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xTaskCreatePinnedToCore(task_count, "Count", 2048,
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(void *)&counter, UNITY_FREERTOS_PRIORITY + 1,
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&counter_task, target_core);
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vTaskDelay(10);
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/* check some counting has happened */
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TEST_ASSERT_NOT_EQUAL(0, counter);
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// Do the next part a few times, just to be sure multiple suspends & resumes
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// work as expected...
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const int TEST_ITERATIONS = 5;
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for (int i = 0; i < TEST_ITERATIONS; i++) {
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vTaskSuspend(counter_task);
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unsigned suspend_count = counter;
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printf("Suspending @ %d\n", suspend_count);
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vTaskDelay(2);
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printf("Still suspended @ %d\n", counter);
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/* check the counter hasn't gone up while the task is suspended */
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TEST_ASSERT_EQUAL(suspend_count, counter);
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vTaskResume(counter_task);
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vTaskDelay(2);
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printf("Resumed @ %d\n", counter);
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/* check the counter is going up again now the task is resumed */
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TEST_ASSERT_NOT_EQUAL(suspend_count, counter);
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}
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vTaskDelete(counter_task);
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}
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TEST_CASE("Suspend/resume task on same core", "[freertos]")
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{
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test_suspend_resume(UNITY_FREERTOS_CPU);
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}
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#ifndef CONFIG_FREERTOS_UNICORE
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TEST_CASE("Suspend/resume task on other core", "[freertos]")
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{
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test_suspend_resume(!UNITY_FREERTOS_CPU);
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}
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#endif
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/* Task suspends itself, then sets a flag and deletes itself */
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static void task_suspend_self(void *vp_resumed)
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{
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volatile bool *resumed = (volatile bool *)vp_resumed;
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*resumed = false;
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vTaskSuspend(NULL);
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*resumed = true;
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vTaskDelete(NULL);
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}
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TEST_CASE("Suspend the current running task", "[freertos]")
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{
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volatile bool resumed = false;
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TaskHandle_t suspend_task;
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xTaskCreatePinnedToCore(task_suspend_self, "suspend_self", 2048,
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(void *)&resumed, UNITY_FREERTOS_PRIORITY + 1,
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&suspend_task, UNITY_FREERTOS_CPU);
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vTaskDelay(1);
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TEST_ASSERT_FALSE(resumed);
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vTaskResume(suspend_task);
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// Shouldn't need any delay here, as task should resume on this CPU immediately
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TEST_ASSERT_TRUE(resumed);
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}
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volatile bool timer_isr_fired;
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/* Timer ISR clears interrupt, sets flag, then resumes the task supplied in the
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* callback argument.
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*/
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void IRAM_ATTR timer_group0_isr(void *vp_arg)
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{
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// Clear interrupt
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TIMERG0.int_clr_timers.val = TIMERG0.int_st_timers.val;
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timer_isr_fired = true;
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TaskHandle_t handle = vp_arg;
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BaseType_t higherPriorityTaskWoken = pdFALSE;
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higherPriorityTaskWoken = xTaskResumeFromISR(handle);
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if (higherPriorityTaskWoken == pdTRUE) {
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portYIELD_FROM_ISR();
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}
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}
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/* Create a task which suspends itself, then resume it from a timer
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* interrupt. */
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static void test_resume_task_from_isr(int target_core)
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{
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volatile bool resumed = false;
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TaskHandle_t suspend_task;
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xTaskCreatePinnedToCore(task_suspend_self, "suspend_self", 2048,
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(void *)&resumed, UNITY_FREERTOS_PRIORITY + 1,
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&suspend_task, target_core);
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vTaskDelay(1);
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TEST_ASSERT_FALSE(resumed);
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/* Configure timer ISR */
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const timer_config_t config = {
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.alarm_en = 1,
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.auto_reload = 0,
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.counter_dir = TIMER_COUNT_UP,
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.divider = 2, //Range is 2 to 65536
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.intr_type = TIMER_INTR_LEVEL,
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.counter_en = TIMER_PAUSE,
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};
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/*Configure timer*/
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timer_init(TIMER_GROUP_0, TIMER_0, &config);
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timer_pause(TIMER_GROUP_0, TIMER_0);
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timer_set_counter_value(TIMER_GROUP_0, TIMER_0, 0);
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timer_set_alarm_value(TIMER_GROUP_0, TIMER_0, 1000);
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timer_enable_intr(TIMER_GROUP_0, TIMER_0);
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timer_isr_register(TIMER_GROUP_0, TIMER_0, timer_group0_isr, (void*)suspend_task, ESP_INTR_FLAG_IRAM, NULL);
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timer_isr_fired = false;
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timer_start(TIMER_GROUP_0, TIMER_0);
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vTaskDelay(1);
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TEST_ASSERT_TRUE(timer_isr_fired);
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TEST_ASSERT_TRUE(resumed);
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}
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TEST_CASE("Resume task from ISR (same core)", "[freertos]")
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{
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test_resume_task_from_isr(UNITY_FREERTOS_CPU);
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}
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#ifndef CONFIG_FREERTOS_UNICORE
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TEST_CASE("Resume task from ISR (other core)", "[freertos]")
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{
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test_resume_task_from_isr(!UNITY_FREERTOS_CPU);
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}
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#endif
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