// LED引脚测试程序
#include "driver/gpio.h"
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include "esp_log.h"

#define TAG "LED_TEST"

// 测试所有可能的LED引脚
gpio_num_t test_pins[] = {
    GPIO_NUM_35,  // LED1候选
    GPIO_NUM_34,  // LED2候选
    GPIO_NUM_33,  // LED3候选
    GPIO_NUM_32,  // LED_GREEN候选
    GPIO_NUM_31,  // LED4候选
    GPIO_NUM_42,  // 另一个候选
    GPIO_NUM_41,  // 另一个候选
    GPIO_NUM_40,  // 另一个候选
    GPIO_NUM_38   // 另一个候选
};

const char* pin_names[] = {
    "GPIO35(LED1)",
    "GPIO34(LED2)", 
    "GPIO33(LED3)",
    "GPIO32(LED_GREEN)",
    "GPIO31(LED4)",
    "GPIO42",
    "GPIO41",
    "GPIO40",
    "GPIO38"
};

void led_test_task(void* param) {
    // 初始化所有测试引脚
    for (int i = 0; i < 9; i++) {
        gpio_config_t io_conf = {};
        io_conf.intr_type = GPIO_INTR_DISABLE;
        io_conf.mode = GPIO_MODE_OUTPUT;
        io_conf.pin_bit_mask = (1ULL << test_pins[i]);
        io_conf.pull_down_en = GPIO_PULLDOWN_DISABLE;
        io_conf.pull_up_en = GPIO_PULLUP_DISABLE;
        gpio_config(&io_conf);
        gpio_set_level(test_pins[i], 0); // 初始关闭
    }
    
    ESP_LOGI(TAG, "开始LED引脚测试...");
    
    while (true) {
        // 依次点亮每个引脚，持续2秒
        for (int i = 0; i < 9; i++) {
            ESP_LOGI(TAG, "点亮 %s", pin_names[i]);
            gpio_set_level(test_pins[i], 1);
            vTaskDelay(pdMS_TO_TICKS(2000)); // 2秒
            gpio_set_level(test_pins[i], 0);
            vTaskDelay(pdMS_TO_TICKS(500));  // 0.5秒间隔
        }
        
        ESP_LOGI(TAG, "测试循环完成，等待5秒后重复...");
        vTaskDelay(pdMS_TO_TICKS(5000));
    }
}

extern "C" void app_main() {
    ESP_LOGI(TAG, "LED引脚测试程序启动");
    xTaskCreate(led_test_task, "led_test", 4096, NULL, 5, NULL);
}