Accelerometer.h

00001 #pragma once
00002 #include "mbed.h"
00003 
00004 #include "Color565.h"
00005 #include "LCD_ST7735.h"
00006 
00007 class Accelerometer
00008 {
00009     public:
00010         Accelerometer(int nI2cAddress, LCD_ST7735* pDisp);
00011         void getXYZ(double& x, double& y, double& z);
00012         void resetGraph();
00013         void updateGraph();
00014 
00015     private:
00016         static const int GRAPH_HEIGHT = 40;
00017         static const int GRAPH_SPACING = 2;
00018 
00019         void readRegisters(char address, char* buffer, int len);
00020         int writeRegister(char address, char value);
00021         double convert(char* buffer);
00022 
00023         int i2cAddress;
00024         I2C i2c;
00025         LCD_ST7735* pDisp;
00026         unsigned short colors[3];
00027         int graphX;    
00028 
00029         void drawAxes();
00030         void drawPoint(int axis, double value);
00031         void checkGraphReset();
00032 };