/*
* SPDX-FileCopyrightText: 2022-2023 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <stdint.h>
#include <stdio.h>
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include "freertos/semphr.h"
#include "freertos/stream_buffer.h"
#include "unity.h"
#include "test_utils.h"
#define TEST_NUM_BYTES 100
#define TEST_RECEIVER_TIMEOUT_TICKS pdMS_TO_TICKS(1000) // 1ms timeout for receiver task
typedef struct {
StreamBufferHandle_t stream_buffer;
SemaphoreHandle_t done_sem;
} test_args_t;
static void sender_task(void *arg)
{
test_args_t *test_args = (test_args_t *)arg;
printf("Starting sender task... \n");
for (int i = 0; i < TEST_NUM_BYTES; i++) {
// Send a single byte, with the byte's value being the number of bytes sent thus far
uint8_t data = (uint8_t)i;
TEST_ASSERT_EQUAL(1, xStreamBufferSend(test_args->stream_buffer, &data, 1, 0));
// Short delay to give a chance for receiver task to receive
vTaskDelay(1);
}
xSemaphoreGive(test_args->done_sem);
vTaskDelete(NULL);
static void receiver_task(void *arg)
printf("Starting receiver task... \n");
// Receive a single byte. The received byte's value being the number of bytes sent/received thus far
uint8_t data;
TEST_ASSERT_EQUAL(1, xStreamBufferReceive(test_args->stream_buffer, &data, 1, TEST_RECEIVER_TIMEOUT_TICKS));
TEST_ASSERT_EQUAL(i, data);
TEST_CASE("Stream Buffer: Send-receive tasks", "[freertos]")
test_args_t test_args;
test_args.stream_buffer = xStreamBufferCreate(TEST_NUM_BYTES, 1);
test_args.done_sem = xSemaphoreCreateCounting(2, 0);
TEST_ASSERT_NOT_NULL(test_args.stream_buffer);
TEST_ASSERT_NOT_NULL(test_args.done_sem);
TEST_ASSERT_EQUAL(pdTRUE, xTaskCreatePinnedToCore(sender_task, "sender", 4096, &test_args, UNITY_FREERTOS_PRIORITY + 2, NULL, 0));
TEST_ASSERT_EQUAL(pdTRUE, xTaskCreatePinnedToCore(receiver_task, "receiver", 4096, &test_args, UNITY_FREERTOS_PRIORITY + 1, NULL, 1));
// Wait for both tasks to complete
for (int i = 0; i < 2; i++) {
xSemaphoreTake(test_args.done_sem, portMAX_DELAY);
vStreamBufferDelete(test_args.stream_buffer);
vSemaphoreDelete(test_args.done_sem);