147 lines
4.3 KiB
C
Executable File
147 lines
4.3 KiB
C
Executable File
#include <stdio.h>
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#include <stdlib.h>
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#include "freertos/FreeRTOS.h"
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#include "freertos/task.h"
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#include "esp_check.h"
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#include "esp_log.h"
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#include "wifi-connect.h" // 包含 Wi-Fi 配网模块头文件(提供 Wi-Fi 连接状态查询和初始化接口)
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#include "agri_env.h" // 包含农业环境模块头文件(提供 MQTT 功能接口)
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#include "bh1750_use.h" // 包含 BH1750 封装接口
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#include <dht.h>
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#include "driver/gpio.h"
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#include "relay_ctrl.h" // 包含继电器控制模块头文件(提供继电器控制接口)
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static const char *TAG = "main";
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// 等待 Wi-Fi 连接成功，超时后返回当前连接状态
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static bool wait_for_wifi_connected(TickType_t timeout_ticks)
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{
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const TickType_t start_ticks = xTaskGetTickCount();
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while ((xTaskGetTickCount() - start_ticks) < timeout_ticks)
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{
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if (wifi_connect_get_status() == WIFI_CONNECT_STATUS_CONNECTED)
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{
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return true;
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}
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vTaskDelay(pdMS_TO_TICKS(200));
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}
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return wifi_connect_get_status() == WIFI_CONNECT_STATUS_CONNECTED;
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}
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// 根据 menuconfig 中的选择定义传感器类型常量
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#if defined(CONFIG_EXAMPLE_TYPE_DHT11)
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#define SENSOR_TYPE DHT_TYPE_DHT11
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#elif defined(CONFIG_EXAMPLE_TYPE_AM2301)
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#define SENSOR_TYPE DHT_TYPE_AM2301
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#elif defined(CONFIG_EXAMPLE_TYPE_SI7021)
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#define SENSOR_TYPE DHT_TYPE_SI7021
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#else
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#error "未在 menuconfig 中选择任何 DHT 传感器类型！"
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#endif
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void dht_test(void *pvParameters)
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{
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float temperature, humidity;
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const gpio_num_t dht_gpio = (gpio_num_t)CONFIG_EXAMPLE_DATA_GPIO;
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uint32_t timeout_count = 0;
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ESP_LOGI(TAG, "正在启动 DHT 测试任务，引脚: GPIO%d", dht_gpio);
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ESP_LOGI(TAG, "使用的传感器类型: %d (0:DHT11, 1:AM2301, 2:SI7021)", SENSOR_TYPE);
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// 传感器上电后先等待稳定，避免首读超时
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vTaskDelay(pdMS_TO_TICKS(1500));
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#ifdef CONFIG_EXAMPLE_INTERNAL_PULLUP
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gpio_set_pull_mode(dht_gpio, GPIO_PULLUP_ONLY);
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#endif
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while (1)
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{
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esp_err_t res = ESP_FAIL;
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for (int attempt = 1; attempt <= 3; ++attempt)
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{
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res = dht_read_float_data(SENSOR_TYPE, dht_gpio, &humidity, &temperature);
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if (res == ESP_OK)
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{
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break;
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}
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// 给总线一点恢复时间，再重试
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vTaskDelay(pdMS_TO_TICKS(200));
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}
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if (res == ESP_OK)
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{
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timeout_count = 0;
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ESP_LOGI(TAG, "湿度: %.1f%% 温度: %.1f°C", humidity, temperature);
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}
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else
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{
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if (res == ESP_ERR_TIMEOUT)
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{
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timeout_count++;
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}
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ESP_LOGW(TAG, "读取失败: %s", esp_err_to_name(res));
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if (timeout_count >= 3)
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{
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ESP_LOGW(TAG, "DHT 连续超时，建议检查: 1) DATA 线上拉电阻(4.7k~10k) 2) 传感器供电与地线 3) 是否更换为 GPIO2/3 等普通 IO");
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timeout_count = 0;
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}
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}
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vTaskDelay(pdMS_TO_TICKS(2000));
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}
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}
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void app_main(void)
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{
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ESP_ERROR_CHECK(wifi_connect_init()); // 初始化 Wi-Fi 配网模块
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ESP_ERROR_CHECK(bh1750_user_init()); // 初始化光照传感器
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ESP_ERROR_CHECK(relay_ctrl_init(GPIO_NUM_6, GPIO_NUM_7, true)); //
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vTaskDelay(pdMS_TO_TICKS(2000)); // 等待系统稳定
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if (wait_for_wifi_connected(pdMS_TO_TICKS(60000)))
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{
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esp_err_t err = agri_env_mqtt_start();
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if (err != ESP_OK)
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{
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ESP_LOGW(TAG, "MQTT 启动失败: %s", esp_err_to_name(err));
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}
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// 测试读取光照数据
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float lux;
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if (bh1750_user_read(&lux) == ESP_OK)
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{
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ESP_LOGI(TAG, "测试读取光照强度: %.2f Lux", lux);
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}
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}
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else
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{
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ESP_LOGW(TAG, "Wi-Fi 连接超时，暂时跳过 MQTT 启动");
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}
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// 启动 DHT 传感器测试任务
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if (xTaskCreate(dht_test, "dht_test", 2048, NULL, 5, NULL) != pdPASS)
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{
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ESP_LOGE(TAG, "创建 DHT 任务失败");
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}
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// 启动一个心跳任务
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while (1)
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{
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ESP_LOGI(TAG, "系统心跳...");
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// 测试读取光照数据
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float lux;
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if (bh1750_user_read(&lux) == ESP_OK)
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{
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ESP_LOGI(TAG, "测试读取光照强度: %.2f Lux", lux);
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}
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vTaskDelay(pdMS_TO_TICKS(10000));
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}
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}
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