test
Diff: FXOS8700.cpp
- Revision:
- 0:a4ffc3c3e770
- Child:
- 1:66ff36d0d1b1
diff -r 000000000000 -r a4ffc3c3e770 FXOS8700.cpp --- /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