59 lines
1.9 KiB
C
59 lines
1.9 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#include <time.h>
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#include <sys/time.h>
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#include "unity.h"
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#include "rom/ets_sys.h"
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#include "freertos/FreeRTOS.h"
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#include "freertos/task.h"
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typedef struct {
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int delay_us;
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int method;
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} delay_test_arg_t;
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static void test_delay_task(void* p)
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{
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const delay_test_arg_t* arg = (delay_test_arg_t*) p;
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struct timeval tv_start, tv_stop;
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gettimeofday(&tv_start, NULL);
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switch (arg->method) {
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case 0:
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ets_delay_us(arg->delay_us);
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break;
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case 1:
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vTaskDelay(arg->delay_us / portTICK_PERIOD_MS / 1000);
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break;
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default:
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TEST_FAIL();
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}
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gettimeofday(&tv_stop, NULL);
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int real_delay_us = (tv_stop.tv_sec - tv_start.tv_sec) * 1000000 +
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tv_stop.tv_usec - tv_start.tv_usec;
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printf("%s core=%d expected=%d actual=%d\n", arg->method ? "vTaskDelay" : "ets_delay_us",
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xPortGetCoreID(), arg->delay_us, real_delay_us);
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TEST_ASSERT_TRUE(abs(real_delay_us - arg->delay_us) < 1000);
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vTaskDelay(1);
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vTaskDelete(NULL);
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}
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TEST_CASE("ets_delay produces correct delay on both CPUs", "[delay]")
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{
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int delay_ms = 50;
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const delay_test_arg_t args = { .delay_us = delay_ms * 1000, .method = 0 };
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xTaskCreatePinnedToCore(test_delay_task, "", 2048, (void*) &args, 3, NULL, 0);
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vTaskDelay(delay_ms / portTICK_PERIOD_MS + 1);
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xTaskCreatePinnedToCore(test_delay_task, "", 2048, (void*) &args, 3, NULL, 1);
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vTaskDelay(delay_ms / portTICK_PERIOD_MS + 1);
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}
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TEST_CASE("vTaskDelay produces correct delay on both CPUs", "[delay]")
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{
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int delay_ms = 50;
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const delay_test_arg_t args = { .delay_us = delay_ms * 1000, .method = 1 };
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xTaskCreatePinnedToCore(test_delay_task, "", 2048, (void*) &args, 3, NULL, 0);
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vTaskDelay(delay_ms / portTICK_PERIOD_MS + 1);
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xTaskCreatePinnedToCore(test_delay_task, "", 2048, (void*) &args, 3, NULL, 1);
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vTaskDelay(delay_ms / portTICK_PERIOD_MS + 1);
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}
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