commit 42135322be84019e5db8eef173bf0e59d364c79e Author: spdis Date: Fri May 9 00:35:17 2025 +0800 上传文件至 / DHT11控制头文件 diff --git a/DHT11control.h b/DHT11control.h new file mode 100644 index 0000000..8e44225 --- /dev/null +++ b/DHT11control.h @@ -0,0 +1,32 @@ + +#ifndef DHT11CONTROL_H +#define DHT11CONTROL_H + +#include "DHT.h" + +/// 传感器数据引脚定义(对应ESP32 GPIO5) +#define DHTPIN 5 +/// 传感器类型定义 +#define DHTTYPE DHT11 + +// 初始化DHT传感器对象 +DHT dht(DHTPIN, DHTTYPE); + +inline float* getTempAndHumidity() { + static float data[2]; // 静态数组保存温湿度数据 + float humidity = dht.readHumidity(); + float temperature = dht.readTemperature(); + + // 传感器数据有效性检查 + if (isnan(humidity) || isnan(temperature)) { + Serial.println("Failed to read from DHT sensor!"); + data[0] = -999; // 温度错误码 + data[1] = -999; // 湿度错误码 + } else { + data[0] = temperature; + data[1] = humidity; + } + return data; +} + +#endif \ No newline at end of file