Kenneth Adams / SCP1000

Library to interface the SCP1000 temperature and pressure sensor.

Dependents:   SCP1000_Example ku-make_sensor ku-make_sensor201302 SCP1000_Example ... more

SCP1000.h@8:1049590388b6, 2010-10-08 (annotated)

Committer:
kadams6
Date:
Fri Oct 08 17:41:11 2010 +0000
Revision:
8:1049590388b6
Parent:
7:61d2e698d988
Child:
9:47d6f205890b

        

        
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/**





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 * SCP1000 header file





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 */





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#ifndef _SCP1000_H





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#define _SCP1000_H





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#include "mbed.h"





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/**





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 * Class to interface with the SCP1000 pressure and temperature sensor.





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 */





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class SCP1000 {





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    public:





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        /**





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         * Constructor.





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         *





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         * @param mosi SPI MOSI pin





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         * @param miso SPI MISO pin





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         * @param sclk SPI SCLK pin





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         * @param cs Chip select pin





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         */





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        SCP1000(PinName mosi, PinName miso, PinName sclk, PinName cs);





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        ~SCP1000() { /* empty */ };





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        /**





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         * Read the pressure.





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         *





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         * @returns The pressure in pascals.





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         */





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        unsigned long readPressure();





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        /**





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         * Read the temperature.





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         *





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         * @returns The temperature in Celsius.





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         */





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        float readTemperature();





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    private:





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        static const char PRESSURE = 0x1F;   //Pressure 3 MSB





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        static const char PRESSURE_LSB = 0x20; //Pressure 16 LSB





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        static const char TEMP = 0x21;       //16 bit temp





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        SPI m_spi;





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        DigitalOut m_cs;





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        char read_register(char register_name);





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        void write_register(char register_name, char register_value);





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        float read_register16(char register_name);





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};





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#endif // _SCP1000_H