Suga koubou / BMP085

barometric pressure sensor BMP085 http://mbed.org/users/okini3939/notebook/barometric-pressure-sensor-bmp085/ http://mbed.org/users/okini3939/notebook/weatherduino-on-mbed/

Dependents:   WeatherPlatform_20110408 WeatherPlatform ENVLogger WeatherStation ... more

BMP085.h@0:6245372b9179, 2010-10-14 (annotated)

Committer:
okini3939
Date:
Thu Oct 14 11:28:45 2010 +0000
Revision:
0:6245372b9179
Child:
1:80e4c62baf09

        

        
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/*





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 * mbed library to use a Bosch Sensortec BMP085 sensor





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 * Copyright (c) 2010 Hiroshi Suga





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 * Released under the MIT License: http://mbed.org/license/mit





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 */





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#ifndef BMP085_H





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#define BMP085_H





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#include "mbed.h"





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enum BMP085_oss {





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    BMP085_oss1 = 0,





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    BMP085_oss2 = 1,





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    BMP085_oss4 = 2,





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    BMP085_oss8 = 3





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};





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class BMP085 : public Base {





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public:





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    BMP085(PinName p_sda, PinName p_scl, BMP085_oss p_oss = BMP085_oss1);





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    BMP085(I2C& p_i2c, BMP085_oss p_oss = BMP085_oss1);





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    float get_temperature();





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    float get_pressure();





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    void update();





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protected:





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    void init(BMP085_oss);





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    unsigned short twi_readshort (int, int);





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    unsigned long twi_readlong (int, int);





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    void twi_writechar (int, int, int);





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    I2C i2c;





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    float temperature;





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    float pressure;





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private:





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    short ac1, ac2, ac3, b1, b2, mb, mc, md, oss;





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    unsigned short ac4, ac5, ac6;





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};





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#endif