Accel
Fork of FXOS8700 by
FXOS8700.cpp
- Committer:
- AswinSivakumar
- Date:
- 2015-12-09
- Revision:
- 1:66ff36d0d1b1
- Parent:
- 0:a4ffc3c3e770
- Child:
- 2:98ea52282575
File content as of revision 1:66ff36d0d1b1:
/* 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 "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; }