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ADXL345_Accelerometer.c
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ADXL345_Accelerometer.c
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// Name : ADXL345_Accelerometer.c
// Author : Mahendra Gunawardena
// Version : Rev 0.01
// Copyright : Your copyright notice
// Description : Tiva ADXL345Accelerometer in C++, Ansi-style
//============================================================================
/*
* ADXL345_Accelerometer.c
* Implementation of a interface with the Analog Devices ADXL345 3 Axis Accelerometer
* over the I2C bus
*
* Copyright Mahendra Gunawardena, Mitisa LLC
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED ''AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL I
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <stdint.h>
#include "Tiva_i2c.h"
#include "ADXL345_Accelerometer.h"
void init_ADXL345_Accelerometer(){
initI2C0();
}
uint8_t getAccelerometer_ID() {
return (readI2C0(0x53,0x00));
}
void SetPowerMode(unsigned char powerMode) {
uint8_t i2c_data = readI2C0(0x53,0x2d);
if (powerMode==1){
i2c_data = i2c_data | (powerMode<<3);
} else if (powerMode==0){
i2c_data &= ~(1<<3);
}
i2c_data = i2c_data | (powerMode<<3);
writeI2C0(0x53,0x2d,i2c_data);
}
int getAccelerationData(){
return 0;
}
uint16_t getAcceleration_rawX(){
uint8_t accelData1, accelData2;
accelData1=readI2C0(0x53,0x32);
accelData2=readI2C0(0x53,0x33);
rawX = (accelData2<<8)|accelData1;
return (rawX);
}
uint16_t getAcceleration_rawY(){
uint8_t accelData1, accelData2;
accelData1=readI2C0(0x53,0x34);
accelData2=readI2C0(0x53,0x35);
rawY = (accelData2<<8)|accelData1;
return (rawY);
}
uint16_t getAcceleration_rawZ(){
uint8_t accelData1, accelData2;
accelData1=readI2C0(0x53,0x36);
accelData2=readI2C0(0x53,0x37);
rawZ = (accelData2<<8)|accelData1;
return (rawZ);
}
signed int getAcceleration_X(){
signed int short raw = (signed int short) getAcceleration_rawX();
signed int acceleration = (signed int)(((signed int)raw) * 3.9);
return acceleration;
}
signed int getAcceleration_Y(){
signed int short raw = (signed int short) getAcceleration_rawY();
signed int acceleration = (signed int)(((signed int)raw) * 3.9);
return acceleration;
}
signed int getAcceleration_Z(){
signed int short raw = (signed int short) getAcceleration_rawZ();
signed int acceleration = (signed int)(((signed int)raw) * 3.9);
return acceleration;
}
signed int getPitch(){
return (0);
}
signed int getRoll(){
return (0);
}