my own one
Fork of FXAS21002 by
FXAS21002.cpp
- Committer:
- AswinSivakumar
- Date:
- 2017-04-24
- Revision:
- 2:504e7f1bbf11
- Parent:
- 1:b774372b3913
File content as of revision 2:504e7f1bbf11:
/* * Copyright (c) 2015 - 2016, Freescale Semiconductor, Inc. * Copyright 2016-2017 NXP * * Redistribution and use in source and binary forms, with or without modification, * are permitted provided that the following conditions are met: * * o Redistributions of source code must retain the above copyright notice, this list * of conditions and the following disclaimer. * * o 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. * * o Neither the name of the copyright holder nor the names of its * contributors may be used to endorse or promote products derived from this * software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 THE COPYRIGHT HOLDER OR CONTRIBUTORS 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 "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; }