Onderwerp: Magnetisch kompas, zelfbouw

void loop()
{
  getLSM303_accel(accel);  // get the acceleration values and store them in the accel array
  while(!(LSM303_read(SR_REG_M) & 0x01))
    ;  // wait for the magnetometer readings to be ready
  getLSM303_mag(mag);  // get the magnetometer values, store them in mag
  //printValues(mag, accel);  // print the raw accel and mag values, good debugging
  
  for (int i=0; i<3; i++)
    realAccel[i] = accel[i] / pow(2, 15) * SCALE;  // calculate real acceleration values, in units of g
  

//Hier printen ze de resultaten naar de serial port, deze code moet je veranderen zodat de resultaten geschreven worden naar USB en in NMEA string.
  /* print both the level, and tilt-compensated headings below to compare */
  Serial.print(getHeading(mag), 3);  // this only works if the sensor is level
  Serial.print("\t\t");  // print some tabs
  Serial.println(getTiltHeading(mag, realAccel), 3);  // see how awesome tilt compensation is?!
  delay(100);  // delay for serial readability
}