ADT7310.h

00001 
00002 #ifndef ADT7310_H
00003 #define ADT7310_H
00004 
00005 #include "mbed.h"
00006 
00007 /**
00008  * @brief Analog Devices ADT7310 temperature sensor
00009  */
00010 class ADT7310
00011 {
00012 public:
00013 
00014 
00015 #define ADT7310_READ (1<<6)
00016 #define ADT7310_WRITE (0)
00017 #define ADT7310_DUMMY (0)
00018 #define ADT7310_STATUS (0)
00019 #define ADT7310_CONFIG (1)
00020 #define ADT7310_TEMP  (2)
00021 #define ADT7310_ID    (3)
00022 #define ADT7310_TCRIT (4)
00023 #define ADT7310_THYST (5)
00024 #define ADT7310_THIGH (6)
00025 #define ADT7310_TLOW  (7)
00026 
00027 
00028     /**
00029      * @brief ADT7310 class
00030      * @param CS - chipselect pin
00031      * @param MOSI - MOSI pin
00032      * @param MISO - MISO pin
00033      * @param SCK - Clock pin
00034      */
00035     ADT7310(PinName CS = SPI_CS, PinName MOSI = SPI_MOSI, PinName MISO = SPI_MISO, PinName SCK = SPI_SCK);
00036 
00037     /**
00038      * @brief resets the ADT7310
00039      */
00040     void reset();
00041 
00042     /**
00043      * @brief reads status register of the temperature sensor
00044      * @return value of the status register
00045      */
00046     uint8_t read_status();
00047 
00048     /**
00049      * @brief writes configuration register of the temperature sensor
00050      * @param data - data to be written
00051      */
00052     void write_config(uint8_t data);
00053 
00054     /**
00055      * @brief issues a conversion to the temperature sensor
00056      */
00057     void start_single_conversion();
00058 
00059     /**
00060      * @brief reads configuration register
00061      * @return configuration register value
00062      */
00063     uint8_t read_config();
00064 
00065     /**
00066      * @brief reads the temperature
00067      * @return temperature
00068      */
00069     uint16_t read_temp();
00070 
00071     /**
00072      * @brief writes temperature setpoints
00073      * @param setpoint - setpoint register
00074      * @param data - data to be written to the setpoint register
00075      */
00076     void write_temp_setpoint(uint8_t setpoint, uint16_t data);
00077 
00078     void spi_write(uint8_t *data, uint8_t size);
00079     void spi_read(uint8_t *data, uint8_t size);
00080     //DigitalIn miso;
00081     DigitalOut cs;
00082     SPI adt7310;
00083 private:
00084     const uint8_t SPI_MODE = 0x03;
00085 };
00086 
00087 #endif