258 lines
6.8 KiB
C
258 lines
6.8 KiB
C
#include <stdio.h>
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#include "STATUS_LED.h"
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static const char *TAG = "status_led";
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// LED 引脚定义
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#define STATUS_LED_1_PIN (GPIO_NUM_8)
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#define STATUS_LED_2_PIN (GPIO_NUM_18)
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// LED 控制结构体
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typedef struct {
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gpio_num_t pin;
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led_state_t state;
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int blink_period_ms;
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bool current_level; // 实际输出电平
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TaskHandle_t task_handle;
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bool task_running;
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} status_led_t;
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static status_led_t led1 = {.pin = STATUS_LED_1_PIN, .state = LED_OFF, .task_running = false};
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static status_led_t led2 = {.pin = STATUS_LED_2_PIN, .state = LED_OFF, .task_running = false};
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/**
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* @brief LED控制任务
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*
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* @param param 指向LED结构体的指针
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*/
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static void led_control_task(void *param)
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{
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status_led_t *led = (status_led_t *)param;
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while(led->task_running) {
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switch(led->state) {
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case LED_OFF:
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gpio_set_level(led->pin, 1); // 低电平点亮，所以高电平关闭
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vTaskDelay(100 / portTICK_PERIOD_MS); // 延迟100ms后再次检查状态
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break;
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case LED_ON:
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gpio_set_level(led->pin, 0); // 低电平点亮
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vTaskDelay(100 / portTICK_PERIOD_MS); // 延迟100ms后再次检查状态
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break;
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case LED_BLINK_SLOW:
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led->current_level = !led->current_level;
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gpio_set_level(led->pin, !led->current_level); // 反转输出以适应低电平点亮
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vTaskDelay(500 / portTICK_PERIOD_MS); // 慢闪周期500ms
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break;
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case LED_BLINK_FAST:
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led->current_level = !led->current_level;
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gpio_set_level(led->pin, !led->current_level); // 反转输出以适应低电平点亮
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vTaskDelay(100 / portTICK_PERIOD_MS); // 快闪周期100ms
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break;
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case LED_HEARTBEAT:
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// 心跳模式：快速亮两次，然后长灭
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gpio_set_level(led->pin, 0); // 点亮
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vTaskDelay(100 / portTICK_PERIOD_MS);
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gpio_set_level(led->pin, 1); // 熄灭
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vTaskDelay(100 / portTICK_PERIOD_MS);
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gpio_set_level(led->pin, 0); // 点亮
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vTaskDelay(100 / portTICK_PERIOD_MS);
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gpio_set_level(led->pin, 1); // 熄灭
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vTaskDelay(800 / portTICK_PERIOD_MS); // 间隔800ms
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break;
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default:
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gpio_set_level(led->pin, 1); // 默认关闭
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vTaskDelay(100 / portTICK_PERIOD_MS);
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break;
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}
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}
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// 任务结束前关闭LED（高电平关闭）
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gpio_set_level(led->pin, 1);
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vTaskDelete(NULL);
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}
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/**
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* @brief 初始化GPIO引脚为输出模式
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*
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* @param led_pin LED使用的GPIO引脚
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*/
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static void init_gpio_pin(gpio_num_t led_pin)
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{
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gpio_config_t io_conf = {};
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io_conf.intr_type = GPIO_INTR_DISABLE;
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io_conf.mode = GPIO_MODE_OUTPUT;
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io_conf.pin_bit_mask = (1ULL << led_pin);
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io_conf.pull_down_en = 0;
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io_conf.pull_up_en = 0;
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gpio_config(&io_conf);
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// 初始状态设为高电平（LED熄灭，适用于低电平点亮的LED）
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gpio_set_level(led_pin, 1);
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}
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/**
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* @brief 初始化状态LED
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*
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* 配置两个LED引脚为输出模式并设置初始状态
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*/
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void status_led_init(void)
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{
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init_gpio_pin(STATUS_LED_1_PIN);
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init_gpio_pin(STATUS_LED_2_PIN);
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// 启动LED控制任务
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led1.task_running = true;
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xTaskCreate(led_control_task, "led1_control", 2048, &led1, 5, &led1.task_handle);
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led2.task_running = true;
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xTaskCreate(led_control_task, "led2_control", 2048, &led2, 5, &led2.task_handle);
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ESP_LOGI(TAG, "Status LEDs initialized on pins GPIO%d and GPIO%d",
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STATUS_LED_1_PIN, STATUS_LED_2_PIN);
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}
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/**
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* @brief 控制指定LED的状态
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*
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* @param led_num LED编号 (1 或 2)
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* @param state LED状态 (0=关闭, 1=开启)
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*/
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void status_led_set(uint8_t led_num, uint8_t state)
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{
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status_led_t *led = NULL;
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if (led_num == 1) {
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led = &led1;
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} else if (led_num == 2) {
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led = &led2;
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} else {
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ESP_LOGE(TAG, "Invalid LED number: %d", led_num);
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return;
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}
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if (state == 1) {
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led->state = LED_ON;
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} else {
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led->state = LED_OFF;
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}
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ESP_LOGD(TAG, "LED %d set to %s", led_num, state ? "ON" : "OFF");
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}
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/**
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* @brief 切换指定LED的状态
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*
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* @param led_num LED编号 (1 或 2)
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*/
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void status_led_toggle(uint8_t led_num)
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{
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status_led_t *led = NULL;
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if (led_num == 1) {
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led = &led1;
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} else if (led_num == 2) {
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led = &led2;
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} else {
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ESP_LOGE(TAG, "Invalid LED number: %d", led_num);
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return;
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}
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if (led->state == LED_ON) {
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led->state = LED_OFF;
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} else if (led->state == LED_OFF) {
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led->state = LED_ON;
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}
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ESP_LOGD(TAG, "LED %d toggled", led_num);
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}
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/**
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* @brief 设置LED为闪烁模式
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*
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* @param led_num LED编号 (1 或 2)
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* @param mode 闪烁模式 (0=慢闪, 1=快闪, 2=心跳)
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*/
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void status_led_blink_mode(uint8_t led_num, uint8_t mode)
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{
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status_led_t *led = NULL;
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if (led_num == 1) {
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led = &led1;
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} else if (led_num == 2) {
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led = &led2;
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} else {
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ESP_LOGE(TAG, "Invalid LED number: %d", led_num);
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return;
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}
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switch(mode) {
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case 0: // 慢闪
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led->state = LED_BLINK_SLOW;
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break;
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case 1: // 快闪
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led->state = LED_BLINK_FAST;
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break;
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case 2: // 心跳
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led->state = LED_HEARTBEAT;
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break;
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default:
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ESP_LOGE(TAG, "Invalid blink mode: %d", mode);
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return;
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}
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ESP_LOGD(TAG, "LED %d set to blink mode %d", led_num, mode);
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}
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/**
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* @brief 销毁LED控制任务
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*
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* @param led_num LED编号 (1 或 2)
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*/
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void status_led_deinit(uint8_t led_num)
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{
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status_led_t *led = NULL;
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if (led_num == 1) {
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led = &led1;
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} else if (led_num == 2) {
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led = &led2;
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} else {
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ESP_LOGE(TAG, "Invalid LED number: %d", led_num);
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return;
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}
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if (led->task_running) {
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led->task_running = false;
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if (led->task_handle) {
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vTaskDelete(led->task_handle);
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led->task_handle = NULL;
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}
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gpio_set_level(led->pin, 1); // 关闭LED（高电平关闭）
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}
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}
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/**
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* @brief 获取LED当前状态
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*
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* @param led_num LED编号 (1 或 2)
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* @return 当前LED状态
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*/
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led_state_t status_led_get_state(uint8_t led_num)
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{
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if (led_num == 1) {
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return led1.state;
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} else if (led_num == 2) {
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return led2.state;
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} else {
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ESP_LOGE(TAG, "Invalid LED number: %d", led_num);
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return LED_OFF;
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}
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}
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