mlx90614.h

00001 #include "mbed.h"
00002 
00003 //Melexis Infrared Thermometer MLX90614 Library
00004 
00005 //*****************************************************************
00006 //  Build : 27/10/16 Dave Clarke
00007 //          Only read thermo data.
00008 //
00009 //  This program does not check CRC.
00010 //  If you want to check CRC, please do it your self :)
00011 //****************************************************************//
00012 
00013 /**An Interface for MLX90614
00014 * 
00015 * @code
00016 * //Print temperature data
00017 * #include "mbed.h"
00018 * #include "mlx90614.h"
00019 *
00020 * I2C i2c(p28,p27);   //sda,scl
00021 * MLX90614 thermometer(&i2c);
00022 * float temp;
00023 *
00024 * void main(void){
00025 *   if(thermometer.getTemp(&temp)){
00026 *       printf("Temperature : %f \r\n",temp);
00027 *   }
00028 *   wait(0.5);
00029 *
00030 * }
00031 * @endcode
00032 */
00033 
00034 
00035 class MLX90614{
00036 
00037     public:
00038         /** Create MLX90614 interface, initialize with selected I2C port and address.
00039         *
00040         * @param i2c I2C device pointer
00041         * @param addr Device address(default=0xB4)  
00042         */    
00043         MLX90614(I2C* i2c,uint8_t addr=0xB4); 
00044         
00045         /** Get Temperature data from MLX90614. 
00046         *
00047         * @param temp_val return valiable pointer
00048         * @return 0 on success (ack), or non-0 on failure (nack)
00049         */
00050         bool getTemp(float* temp_val);
00051         
00052     private:
00053        I2C* i2c;
00054        int i2caddress;
00055 
00056        
00057 
00058 };