Files
esp-idf/components/esp_libc/test_apps/newlib/main/test_printf.c
2025-09-09 22:00:44 +08:00

61 lines
1.8 KiB
C

/*
* SPDX-FileCopyrightText: 2024 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <stdio.h>
#include <string.h>
#include <stdarg.h>
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include "freertos/semphr.h"
#include "unity.h"
#include "esp_log.h"
#include "sdkconfig.h"
#if !CONFIG_FREERTOS_UNICORE
static int my_printf(const char *fmt, ...)
{
va_list list;
va_start(list, fmt);
int result = vprintf(fmt, list);
va_end(list);
return result;
}
static void test_task(void* arg)
{
for (unsigned i = 0; i < 5; i++) {
printf("00000000%d\n", i);
}
SemaphoreHandle_t * p_done = (SemaphoreHandle_t *) arg;
xSemaphoreGive(*p_done);
vTaskDelay(1);
vTaskDelete(NULL);
}
TEST_CASE("Test flockfile/funlockfile", "[newlib]")
{
SemaphoreHandle_t done = xSemaphoreCreateBinary();
flockfile(stdout);
{
xTaskCreatePinnedToCore(&test_task, "test_task", 4096, &done, 5, NULL, 1);
// make sure test_task is already running and is actually blocked by flockfile
TEST_ASSERT_FALSE(xSemaphoreTake(done, 100 / portTICK_PERIOD_MS));
for (unsigned i = 0; i < 5; i++) {
my_printf(LOG_ANSI_COLOR_BOLD_BACKGROUND(LOG_ANSI_COLOR_BLACK, LOG_ANSI_COLOR_BG_RED) "I ");
my_printf("(%d) ", 737);
my_printf("[%s]: ", "TAG");
my_printf("%s %d ", "message ", i);
my_printf("%s\n", LOG_ANSI_COLOR_RESET);
}
// test_task is still blocked by flockfile
TEST_ASSERT_FALSE(xSemaphoreTake(done, 100 / portTICK_PERIOD_MS));
}
funlockfile(stdout);
// after funlockfile, test_task can print a msg and complete test_task
TEST_ASSERT_TRUE(xSemaphoreTake(done, portMAX_DELAY));
vSemaphoreDelete(done);
}
#endif // !CONFIG_FREERTOS_UNICORE