FXAS21002 library
Dependents: FRDM-STBC-AGMP01_SensorStream Hexi_Gyro_Example A_Dragonfly_Freescale_Accel_Mag_Gyro_Sensor_AGM01 A_Dragonfly_BlueMix_QuickStart_NXP_Sensor ... more
FXAS21002.cpp
- Committer:
- AswinSivakumar
- Date:
- 2015-12-09
- Revision:
- 0:9c9e8aaad4ff
- Child:
- 1:b774372b3913
File content as of revision 0:9c9e8aaad4ff:
/* Copyright (c) 2010-2011 mbed.org, MIT License
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of this software
* and associated documentation files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all copies or
* substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include "FXAS21002.h"
#include "mbed.h"
FXAS21002::FXAS21002(PinName sda, PinName scl) : gyroi2c(sda,scl)
{
}
void FXAS21002::gyro_config(void)
{
char d[2];
d[0] = FXAS21002_CTRL_REG1; //Puts device in standby mode
d[1] = 0x08;
gyroi2c.write(FXAS21002_I2C_ADDRESS, d,2);
d[0] = FXAS21002_CTRL_REG0; //sets FS =+/- 2000 dps
d[1] = 0x00;
gyroi2c.write(FXAS21002_I2C_ADDRESS, d, 2);
d[0] = FXAS21002_CTRL_REG1; //Puts device in active mode
d[1] = 0x0A;
gyroi2c.write(FXAS21002_I2C_ADDRESS, d,2);
}
void FXAS21002::acquire_gyro_data_dps(float * g_data)
{
char data_bytes[7];
gyroi2c.write(FXAS21002_I2C_ADDRESS,FXAS21002_STATUS,1,true); // Read the 6 data bytes - LSB and MSB for X, Y and Z Axes.
gyroi2c.read(FXAS21002_I2C_ADDRESS,data_bytes,7);
g_data[0] = (float)((int16_t)((data_bytes[1]*256) + (data_bytes[2]))) * 0.0625;
g_data[1] = (float)((int16_t)((data_bytes[3]*256) + (data_bytes[4]))) * 0.0625;
g_data[2] = (float)((int16_t)((data_bytes[5]*256) + (data_bytes[6]))) * 0.0625;
}
