void LIS3MDL_TWI::readXYZ_Calib() { double calibration_matrix[3][3] = { {2.446, 0.074, 0.006}, {0.07, 2.317, -0.006}, {-0.027, -0.12, 2.458} }; double bias[3] = { -1221.593, -2042.451, 6497.221 }; float result[3] = {0, 0, 0}; float uncalibrated_values[3]; uncalibrated_values[0] = readX() - bias[0]; uncalibrated_values[1] = readY() - bias[1]; uncalibrated_values[2] = readZ() - bias[2]; for (int i = 0; i < 3; ++i) { for (int j = 0; j < 3; ++j) { result[i] += calibration_matrix[i][j] * uncalibrated_values[j]; } } x_cal = result[0]; y_cal = result[1]; z_cal = result[2]; }
void LIS3MDL_TWI::calibrate() { float result[3] = {0, 0, 0}; float uncalibratedValues[3]; uncalibratedValues[0] = readX() - _bias[0]; uncalibratedValues[1] = readY() - _bias[1]; uncalibratedValues[2] = readZ() - _bias[2]; for (int i = 0; i < 3; ++i) { for (int j = 0; j < 3; ++j) { result[i] += _calibrationMatrix[i][j] * uncalibratedValues[j]; } } _xCalibrate = result[0]; _yCalibrate = result[1]; _zCalibrate = result[2]; }
float LIS3MDL_TWI::readGaussY() { return readY() / _mult; }
float LIS331DLH_TWI::readY_G() { return readY()*_mult*G; }
float L3G4200D_TWI::readY_DegPerSec() { return readY()*_mult; }