Diff: BMP085.h

Revision:

0:ad2afb285975

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/BMP085.h	Fri Oct 14 18:44:39 2011 +0000
@@ -0,0 +1,56 @@
+/*
+  * mbed library to use a Bosch Sensortec BMP085 sensor
+  * Copyright (c) 2010 Hiroshi Suga
+  * Released under the MIT License: http://mbed.org/license/mit
+  */
+  
+ /** @file BMP085.h
+  * @brief mbed library to use a Bosch Sensortec BMP085 sensor
+  * barometric pressure sensor BMP085 (Bosch Sensortec)
+  * interface: I2C digital
+  */
+  
+ #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();
+     void update();
+ 
+ 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;
+ 
+ private:
+ 
+     short ac1, ac2, ac3, b1, b2, mb, mc, md, oss;
+     unsigned short ac4, ac5, ac6;
+ };
+ 
+ #endif
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