MPL3115A2_for_weather_shield
Dependents: SPARKFUN_WEATHER_SHIELD
Fork of MPL3115A2 by
Diff: Pressure.h
- Revision:
- 0:beb43bc3d6d4
- Child:
- 3:7c7c1ea6fc33
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Pressure.h Tue Apr 01 21:35:23 2014 +0000 @@ -0,0 +1,46 @@ +/* + MPL3115A2 Barometric Pressure and Tempurature Sensor Library + By: Michael Lange + Date: March 31, 2014 + License: This code is public domain. + + This class encapsulates a pressure reading from the sensor. + + */ + + +#ifndef PRESSURE_H +#define PRESSURE_H + +#include "mbed.h" + +class Pressure +{ +public: + + static const int size = 3; + enum unitsType { PASCALS, PSI, INHG, MMHG }; + + Pressure(); + Pressure(float a, unitsType units = PASCALS); + Pressure(const char* compressed); + Pressure(const char msb, const char csb, const char lsb); + + operator char*(void) { return _compressed; } + operator float(void) { return _pressure; } + + float pressure(unitsType units = PASCALS); + void setPressure(); + void setPressure(const char* compressed); + void setPressure(const char msb, const char csb, const char lsb); + void setPressure(float a, unitsType units = PASCALS); + + const char* print(unitsType units = PASCALS); + +private: + float _pressure; + char _compressed[3]; + char _printBuffer[9]; +}; + +#endif // PRESSURE_H \ No newline at end of file