initial upload

examples/osd/arduino-climate3/Adafruit_HTU21DF_Library-master/Adafruit_HTU21DF.h

@@ -0,0 +1,44 @@
+/*************************************************** 
+  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
+ ****************************************************/
+
+#if (ARDUINO >= 100)
+ #include "Arduino.h"
+#else
+ #include "WProgram.h"
+#endif
+#include "Wire.h"
+
+#define HTU21DF_I2CADDR       0x40
+#define HTU21DF_READTEMP      0xE3
+#define HTU21DF_READHUM       0xE5
+#define HTU21DF_WRITEREG       0xE6
+#define HTU21DF_READREG       0xE7
+#define HTU21DF_RESET       0xFE
+
+
+
+class Adafruit_HTU21DF {
+ public:
+  Adafruit_HTU21DF();
+  boolean begin(void);
+  float readTemperature(void);
+  float readHumidity(void);
+  void reset(void);
+ private:
+  boolean readData(void);
+  float humidity, temp;
+};
+