Diff: Barometer.h

Revision:

0:6ac6b2d2bf1a

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Barometer.h	Fri Jul 08 05:39:27 2016 +0000
@@ -0,0 +1,41 @@
+#ifndef Barometer_H
+#define Barometer_H
+#include "mbed.h"
+ 
+
+enum Barometer_oss {
+    Barometer_oss1 = 0, ///< ultra low power (1 time)
+    Barometer_oss2 = 1, ///< standard (2 times)
+    Barometer_oss4 = 2, ///< high resolution (4 times)
+    Barometer_oss8 = 3  ///< ultra high resolution (8 times)
+};
+ 
+
+class Barometer {
+public:
+    Barometer(PinName p_sda, PinName p_scl, Barometer_oss p_oss = Barometer_oss8);
+    Barometer(I2C& p_i2c, Barometer_oss p_oss = Barometer_oss8);
+ 
+    float get_temperature();
+    float get_pressure();
+    float get_altitude_m();
+    void update();
+ 
+protected:
+    void init(Barometer_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
\ No newline at end of file