Moon_HUMTEMP.h

00001 
00002 #include "mbed.h"
00003 
00004 // Acquired from Datasheet.
00005  
00006 #define HTU21D_I2C_ADDRESS  0x40 
00007 #define TRIGGER_TEMP_MEASURE  0xE3
00008 #define TRIGGER_HUMD_MEASURE  0xE5
00009  
00010  
00011 //Commands.
00012 #define HTU21D_EEPROM_WRITE 0x80
00013 #define HTU21D_EEPROM_READ  0x81
00014 
00015 #ifndef HTU21D_H
00016 #define HTU21D_H
00017 
00018  
00019 /**
00020  * MOONSHOT HTU21D digital humidity and temperature sensor.
00021  */
00022 class HTU21D {
00023  
00024 public:
00025  
00026 
00027     HTU21D(PinName sda, PinName scl);
00028  
00029  
00030     //    GET SAMPLES FOR TEMP(in Celcuis)
00031     int sampleTemp_cel(void);
00032     
00033   //    GET SAMPLES FOR TEMP(in  fahrenheit)
00034     int sampleTemp_fah(void);
00035     
00036   //    GET SAMPLES FOR TEMP(in  Kelvin)
00037     int sampleTemp_kel(void);
00038     
00039 // SAMPLES OF HUMIDITY 
00040     int sample_Humid(void);
00041  
00042    
00043  
00044 private:
00045  
00046     I2C* i2c_;
00047  
00048 
00049     void write(int EepromOrRam, int address, int data);   // writing to EEPROM or Ram (destination, address to write to, data to write)
00050  
00051 
00052     int read(int EepromOrRam, int address);  //Reading from EEprom (destination, add to read from)
00053  
00054 };
00055  
00056 #endif /* HTU21D_H */
00057