The Wire.beginTransmission() and Wire.endTransmission() should only be used when writing data and not together with Wire.requestFrom() as is done in the files "FreeSixIMU/FIMU_ADXL345.cpp" and "FreeSixIMU/FIMU_ITG3200.cpp".
Explanation: Common-mistakes Number 2 and 3.
The Wire.beginTransmission() and Wire.endTransmission() should only be used when writing data and not together with Wire.requestFrom() as is done in the files "FreeSixIMU/FIMU_ADXL345.cpp" and "FreeSixIMU/FIMU_ITG3200.cpp".
Explanation: Common-mistakes Number 2 and 3.