Bitcraze Forums

HI,i come back i see the our quadcopter used the IIR filter,i also want to design a low filter,but i donn't have any experience in this.I used matlab transform the data (used FFT),i have some questions ,the ACC data have three axis,did i convert all?And how to design a filter can work under three ax...

Thank you for you answer,as you said ,if we can not use this function ????how can we kown the sensor is flat or may be no ? and i can't find any code about the associated with data fusion ,like complementary or KF .As you kown ,i am a noob.so Thanks for you again

Hi~ I'm have some confusion about this code /** * Compensate for a miss-aligned accelerometer. It uses the trim * data gathered from the UI and written in the config-block to * rotate the accelerometer to be aligned with gravity. */ static void imuAccAlignToGravity(Axis3i16* in, Axis3i16* out) // { ...