32 lines
767 B
C
32 lines
767 B
C
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#ifndef DHT11CONTROL_H
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#define DHT11CONTROL_H
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#include "DHT.h"
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/// 传感器数据引脚定义（对应ESP32 GPIO5）
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#define DHTPIN 5
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/// 传感器类型定义
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#define DHTTYPE DHT11
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// 初始化DHT传感器对象
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DHT dht(DHTPIN, DHTTYPE);
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inline float* getTempAndHumidity() {
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static float data[2]; // 静态数组保存温湿度数据
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float humidity = dht.readHumidity();
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float temperature = dht.readTemperature();
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// 传感器数据有效性检查
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if (isnan(humidity) || isnan(temperature)) {
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Serial.println("Failed to read from DHT sensor!");
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data[0] = -999; // 温度错误码
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data[1] = -999; // 湿度错误码
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} else {
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data[0] = temperature;
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data[1] = humidity;
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}
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return data;
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}
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#endif |