FXOS8700 library
Dependents: FRDM-STBC-AGMP01_SensorStream Hexi_Accelero_Magneto_Example A_Dragonfly_Freescale_Accel_Mag_Gyro_Sensor_AGM01 A_Dragonfly_BlueMix_QuickStart_NXP_Sensor ... more
Revision 0:a4ffc3c3e770, committed 2015-12-07
- Comitter:
- AswinSivakumar
- Date:
- Mon Dec 07 08:15:07 2015 +0000
- Child:
- 1:66ff36d0d1b1
- Commit message:
- Initial commit
Changed in this revision
FXOS8700.cpp | Show annotated file Show diff for this revision Revisions of this file |
FXOS8700.h | Show annotated file Show diff for this revision Revisions of this file |
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/FXOS8700.cpp Mon Dec 07 08:15:07 2015 +0000 @@ -0,0 +1,72 @@ + #include "FXOS8700.h" + #include "mbed.h" + +FXOS8700::FXOS8700(PinName sda, PinName scl) : accelmagi2c(sda,scl) + { + + } + + void FXOS8700::accel_config(void) + { + char d[2]; + d[0] = FXOS8700_CTRL_REG1; //Puts device in Standby mode + d[1] = 0x00; + accelmagi2c.write(FXOS8700_I2C_ADDRESS, d,2); + + + d[0] = FXOS8700_CTRL_REG1; //Puts device in Active mode + d[1] = 0x01; + accelmagi2c.write(FXOS8700_I2C_ADDRESS, d, 2); + + } + + void FXOS8700::mag_config(void) + { + char d[2]; + d[0] = FXOS8700_CTRL_REG1; //Puts device in Standby mode + d[1] = 0x00; + accelmagi2c.write(FXOS8700_I2C_ADDRESS, d,2); + + + d[0] = FXOS8700_M_CTRL_REG1; //Puts device in hybrid mode (both accel and mag are active) + d[1] = 0x03; + accelmagi2c.write(FXOS8700_I2C_ADDRESS, d, 2); + + + d[0] = FXOS8700_CTRL_REG1; //Puts device in Active mode + d[1] = 0x01; + accelmagi2c.write(FXOS8700_I2C_ADDRESS, d,2); + + } + + void FXOS8700::acquire_accel_data_g(float * a_data) + { + + char data_bytes[7]; + char d[1]; + d[0]=FXOS8700_STATUS; + accelmagi2c.write(FXOS8700_I2C_ADDRESS,d,1,true); // Read the 6 data bytes - LSB and MSB for X, Y and Z Axes. + accelmagi2c.read(FXOS8700_I2C_ADDRESS,data_bytes,7); + + a_data[0] = ((float)((int16_t)(((data_bytes[1]*256) + (data_bytes[2])))>> 2) * 0.000244); + a_data[1] = ((float)((int16_t)(((data_bytes[3]*256) + (data_bytes[4])))>> 2) * 0.000244); + a_data[2] = ((float)((int16_t)(((data_bytes[5]*256) + (data_bytes[6])))>> 2) * 0.000244); + + } + + void FXOS8700::acquire_mag_data_uT(float * m_data) + { + + char data_bytes[7]; + char d[1]; + d[0]=FXOS8700_MDR_STATUS; + accelmagi2c.write(FXOS8700_I2C_ADDRESS,d,1,true); // Read the 6 data bytes - LSB and MSB for X, Y and Z Axes. + accelmagi2c.read(FXOS8700_I2C_ADDRESS,data_bytes,7); + + m_data[0] = (float)((int16_t)((data_bytes[1]*256) + (data_bytes[2]))) * 0.1; + m_data[1] = (float)((int16_t)((data_bytes[3]*256) + (data_bytes[4]))) * 0.1; + m_data[2] = (float)((int16_t)((data_bytes[5]*256) + (data_bytes[6]))) * 0.1; + + } + + \ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/FXOS8700.h Mon Dec 07 08:15:07 2015 +0000 @@ -0,0 +1,51 @@ +/* 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. +*/ + +#ifndef FXOS8700_H +#define FXOS8700_H +#include "mbed.h" + +#define FXOS8700_I2C_ADDRESS (0x1E<<1) //pins SA0,SA1=0 + +#define FXOS8700_STATUS 0x00 +#define FXOS8700_MDR_STATUS 0x32 +#define FXOS8700_WHO_AM_I 0x0D +#define FXOS8700_CTRL_REG1 0x2A +#define FXOS8700_M_CTRL_REG1 0x5B +#define FXOS8700_WHO_AM_I_VALUE 0xC7 + +class FXOS8700 +{ + public: + + FXOS8700(PinName sda, PinName scl); + + void accel_config(void); + + void mag_config(void); + + void acquire_accel_data_g(float * da); + + void acquire_mag_data_uT(float * dm); + + private: + I2C accelmagi2c; + +}; + +#endif \ No newline at end of file