Accel
Fork of FXOS8700 by
FXOS8700.cpp
- Committer:
- AswinSivakumar
- Date:
- 2015-12-07
- Revision:
- 0:a4ffc3c3e770
- Child:
- 1:66ff36d0d1b1
File content as of revision 0:a4ffc3c3e770:
#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; }