feat: 全量同步 254 个常用的 Arduino 扩展库文件

arduino-libs/arduino-cli/libraries/Adafruit_HTU21DF_Soft/Adafruit_HTU21DF_Soft.h

@@ -0,0 +1,63 @@
+/***************************************************
+  This is a library for the HTU21D-F Humidity & Temp Sensor
+
+  Designed specifically to work with the HTU21D-F sensor from Adafruit
+  ----> https://www.adafruit.com/products/1899
+
+  These displays use I2C to communicate, 2 pins are required to
+  interface
+  Adafruit invests time and resources providing this open source code,
+  please support Adafruit and open-source hardware by purchasing
+  products from Adafruit!
+
+  Written by Limor Fried/Ladyada for Adafruit Industries.
+  BSD license, all text above must be included in any redistribution
+ ****************************************************/
+
+#ifndef _ADAFRUIT_HTU21DF_H
+#define _ADAFRUIT_HTU21DF_H
+
+#if (ARDUINO >= 100)
+ #include "Arduino.h"
+#else
+ #include "WProgram.h"
+#endif
+#include <SoftwareWire.h>
+
+/** Default I2C address for the HTU21D. */
+#define HTU21DF_I2CADDR         (0x40)
+
+/** Read temperature register. */
+#define HTU21DF_READTEMP        (0xE3)
+
+/** Read humidity register. */
+#define HTU21DF_READHUM         (0xE5)
+
+/** Write register command. */
+#define HTU21DF_WRITEREG        (0xE6)
+
+/** Read register command. */
+#define HTU21DF_READREG         (0xE7)
+
+/** Reset command. */
+#define HTU21DF_RESET           (0xFE)
+
+/**
+ * Driver for the Adafruit HTU21DF breakout board.
+ */
+class Adafruit_HTU21DF_Soft {
+    public:
+        Adafruit_HTU21DF_Soft();
+
+        boolean begin(SoftwareWire *theWire);
+        float   readTemperature(void);
+        float   readHumidity(void);
+        void    reset(void);
+
+    private:
+        SoftwareWire *_wire;
+        boolean readData(void);
+        float _last_humidity, _last_temp;
+};
+
+#endif /* _ADAFRUIT_HTU21DF_H */