ESP32 Module GPIO Test

esp32_gpio_test.c

#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include "driver/gpio.h"

uint8_t test_io[] = {0, 2, 4, 5, 9, 12, 14, 17, 19, 22, 25, 27, 33};

void app_main()
{
    gpio_config_t io_conf;

    for(uint8_t i = 0; i < sizeof(test_io); i++)
    {
        io_conf.intr_type = GPIO_PIN_INTR_DISABLE;
        io_conf.mode = GPIO_MODE_OUTPUT;
        io_conf.pin_bit_mask =  ((uint64_t)(((uint64_t)1) << test_io[i]));
        io_conf.pull_down_en = 0;
        io_conf.pull_up_en = 0;
        gpio_config(&io_conf);
    }

    int cnt = 0;

    while(1)
    {
        cnt++;
        printf("===========================\n");
        for(uint8_t i = 0; i < sizeof(test_io); i++)
        {
            printf("gpio i = %d,level: %d\n", test_io[i], cnt % 2);
            vTaskDelay(300 / portTICK_RATE_MS);
            gpio_set_level(test_io[i], cnt % 2);
        }
    }
}