Bo Carøe
BMA180 adr. 0x41 from BlazeX
BMA180.h@0:6904212fb1d1, 2012-05-30 (annotated)
- Committer:
- caroe
- Date:
- Wed May 30 10:43:42 2012 +0000
- Revision:
- 0:6904212fb1d1
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| caroe | 0:6904212fb1d1 | 1 | #pragma once |
| caroe | 0:6904212fb1d1 | 2 | |
| caroe | 0:6904212fb1d1 | 3 | //I2C Adresse, entweder 0x40 oder 0x41, abhaengig von Pin VDDIO |
| caroe | 0:6904212fb1d1 | 4 | #define BMA180_ADRESS 0x41 |
| caroe | 0:6904212fb1d1 | 5 | |
| caroe | 0:6904212fb1d1 | 6 | //Beschleunigung in Meter pro Quadratsekunde umrechnen |
| caroe | 0:6904212fb1d1 | 7 | const float fConvMPSS= 3.4346447e-3; |
| caroe | 0:6904212fb1d1 | 8 | |
| caroe | 0:6904212fb1d1 | 9 | class BMA180 |
| caroe | 0:6904212fb1d1 | 10 | { |
| caroe | 0:6904212fb1d1 | 11 | private: |
| caroe | 0:6904212fb1d1 | 12 | I2C & I2CBus; |
| caroe | 0:6904212fb1d1 | 13 | Timer & GlobalTime; |
| caroe | 0:6904212fb1d1 | 14 | |
| caroe | 0:6904212fb1d1 | 15 | //Offset |
| caroe | 0:6904212fb1d1 | 16 | float Offset[3]; |
| caroe | 0:6904212fb1d1 | 17 | |
| caroe | 0:6904212fb1d1 | 18 | public: |
| caroe | 0:6904212fb1d1 | 19 | //Beschleunigung auf allen drei Achsen |
| caroe | 0:6904212fb1d1 | 20 | short RawAcc[3]; //Rohdaten |
| caroe | 0:6904212fb1d1 | 21 | float Acc[3]; //kalibrierte Rohdaten in m/s^2 |
| caroe | 0:6904212fb1d1 | 22 | |
| caroe | 0:6904212fb1d1 | 23 | |
| caroe | 0:6904212fb1d1 | 24 | //Initialisieren |
| caroe | 0:6904212fb1d1 | 25 | BMA180(I2C & I2CBus_, Timer & GlobalTime_); |
| caroe | 0:6904212fb1d1 | 26 | void Init(); |
| caroe | 0:6904212fb1d1 | 27 | |
| caroe | 0:6904212fb1d1 | 28 | private: |
| caroe | 0:6904212fb1d1 | 29 | //Rohdaten lesen |
| caroe | 0:6904212fb1d1 | 30 | void ReadRawData(); |
| caroe | 0:6904212fb1d1 | 31 | |
| caroe | 0:6904212fb1d1 | 32 | public: |
| caroe | 0:6904212fb1d1 | 33 | //Update-Methode |
| caroe | 0:6904212fb1d1 | 34 | //- Holt aktuelle Daten vom Sensor ab |
| caroe | 0:6904212fb1d1 | 35 | //- Rechnet das Offset hinzu |
| caroe | 0:6904212fb1d1 | 36 | //- Rechnet in andere Einheiten um |
| caroe | 0:6904212fb1d1 | 37 | void Update(); |
| caroe | 0:6904212fb1d1 | 38 | |
| caroe | 0:6904212fb1d1 | 39 | //Kalibrieren |
| caroe | 0:6904212fb1d1 | 40 | //- pRaw1g: Array short[3] ideale Rohdaten für 1g = ca. {0, 0, -2870} |
| caroe | 0:6904212fb1d1 | 41 | void Calibrate(int ms, const short * pRaw1g); |
| caroe | 0:6904212fb1d1 | 42 | }; |