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
Diff: FXAS21002.cpp
- Revision:
- 0:9c9e8aaad4ff
- Child:
- 1:b774372b3913
diff -r 000000000000 -r 9c9e8aaad4ff FXAS21002.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/FXAS21002.cpp Wed Dec 09 06:30:23 2015 +0000 @@ -0,0 +1,61 @@ + /* 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; + + } + + + + \ No newline at end of file