esp-idf/components/esp32s2/test/test_delay.c

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#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include <sys/time.h>
#include "esp_rom_sys.h"
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include "freertos/semphr.h"
#include "unity.h"
#include "test_utils.h"
typedef struct {
int delay_us;
int method;
int result;
SemaphoreHandle_t done;
} delay_test_arg_t;
static void test_delay_task(void *p)
{
delay_test_arg_t *arg = (delay_test_arg_t *)p;
vTaskDelay(1);
uint64_t start = ref_clock_get();
switch (arg->method) {
case 0:
esp_rom_delay_us(arg->delay_us);
break;
case 1:
vTaskDelay(arg->delay_us / portTICK_PERIOD_MS / 1000);
break;
default:
TEST_FAIL();
}
uint64_t stop = ref_clock_get();
arg->result = (int)(stop - start);
xSemaphoreGive(arg->done);
vTaskDelete(NULL);
}
TEST_CASE("ets_delay produces correct delay", "[delay]")
{
int delay_ms = 50;
const delay_test_arg_t args = {
.delay_us = delay_ms * 1000,
.method = 0,
.done = xSemaphoreCreateBinary()
};
ref_clock_init();
xTaskCreatePinnedToCore(test_delay_task, "", 2048, (void *)&args, 3, NULL, 0);
TEST_ASSERT(xSemaphoreTake(args.done, delay_ms * 2 / portTICK_PERIOD_MS));
TEST_ASSERT_INT32_WITHIN(1000, args.delay_us, args.result);
ref_clock_deinit();
vSemaphoreDelete(args.done);
}
TEST_CASE("vTaskDelay produces correct delay", "[delay]")
{
int delay_ms = 50;
const delay_test_arg_t args = {
.delay_us = delay_ms * 1000,
.method = 1,
.done = xSemaphoreCreateBinary()
};
ref_clock_init();
xTaskCreatePinnedToCore(test_delay_task, "", 2048, (void *)&args, 3, NULL, 0);
TEST_ASSERT(xSemaphoreTake(args.done, delay_ms * 2 / portTICK_PERIOD_MS));
TEST_ASSERT_INT32_WITHIN(1000, args.delay_us, args.result);
ref_clock_deinit();
vSemaphoreDelete(args.done);
}