Calibration copy by Andries Pretorius

adxl335.h

/*****************************************************************************/ // Function: Header file for ADXL335 // Hardware: Grove - 3-Axis Analog Accelerometer // Arduino IDE: Arduino-1.0 // Author: FrankieChu // Date: Jan 10,2013 // Version: v1.0 // by www.seeedstudio.com // // This library is free software; you can redistribute it and/or // modify it under the terms of the GNU Lesser General Public // License as published by the Free Software Foundation; either // version 2.1 of the License, or (at your option) any later version. // // This library is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU // Lesser General Public License for more details. // // You should have received a copy of the GNU Lesser General Public // License along with this library; if not, write to the Free Software // Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA // /*******************************************************************************/ #ifndef __ADXL335_H__ #define __ADXL335_H__ #include <Arduino.h> /*macro definitions of Analog read pins*/ #define X_AXIS_PIN A0 #define Y_AXIS_PIN A1 #define Z_AXIS_PIN A2 #define ADC_AMPLITUDE 1024//amplitude of the 10bit-ADC of Arduino is 1024LSB #define ADC_REF 5 //ADC reference is 5v #define ZERO_X 1.22 //accleration of X-AXIS is 0g, the voltage of X-AXIS is 1.22v #define ZERO_Y 1.22 // #define ZERO_Z 1.25 // #define SENSITIVITY 0.25//sensitivity of X/Y/Z axis is 0.25v/g class ADXL335 { private: void pinsInit(); float scale; public: void begin(); void getXYZ(int16_t *x,int16_t *y,int16_t *z); void getAcceleration(float *ax,float *ay,float *az); }; #endif