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interface to chr_6dm and Baro bmp085
Diff: BMP085.h
- Revision:
- 0:d07617f8ede9
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/BMP085.h Mon Oct 17 19:43:06 2011 +0000 @@ -0,0 +1,47 @@ +#ifndef BMP085_H +#define BMP085_H + +#include "mbed.h" + +/** + * @brief over sampling setting + */ +enum BMP085_oss { + BMP085_oss1 = 0, ///< ultra low power (1 time) + BMP085_oss2 = 1, ///< standard (2 times) + BMP085_oss4 = 2, ///< high resolution (4 times) + BMP085_oss8 = 3 ///< ultra high resolution (8 times) +}; + +/** + * @brief BMP085 class + */ +class BMP085 : public Base { +public: + BMP085(PinName p_sda, PinName p_scl, BMP085_oss p_oss = BMP085_oss1); + BMP085(I2C& p_i2c, BMP085_oss p_oss = BMP085_oss1); + + float get_temperature(); + float get_pressure(); + float get_altitude(); + void update(); + unsigned char ok; + +protected: + void init(BMP085_oss); + unsigned short twi_readshort (int, int); + unsigned long twi_readlong (int, int); + void twi_writechar (int, int, int); + + I2C i2c; + float temperature; + float pressure; + float altitude; + +private: + + short ac1, ac2, ac3, b1, b2, mb, mc, md, oss; + unsigned short ac4, ac5, ac6; +}; + +#endif