To find angle made by accelerometer

[kodi.sudar]

Hi
How to find the tilt angle made by the accelerometer using arm lpc2138 ? and also help me to implement the cordic algorithm to find arctan ?

Thanks in advance

 

[alastair-2010]

Look here I made a quad-copter using this stuff.

Original version
http://www.starlino.com/imu_guide.html

Original version a bit easier
http://www.instructables.com/id/Accelerometer-Gyro-Tutorial/step1/The-Accelerometer/

 

[kodi.sudar]

Look here I made a quad-copter using this stuff.

Original version
http://www.starlino.com/imu_guide.html

Original version a bit easier
http://www.instructables.com/id/Accelerometer-Gyro-Tutorial/step1/The-Accelerometer/

Thanks
How to implement that using cordic algorithm ?