Please send codings to generat Third Harmonic Injection PWM (THIPWM) signal.
What about the video tutorials ?!
See here:
http://www.keil.com/forum/docs/thread16518.asp
Please any help?
What "help", exactly, do you want?
Sounds like you want someone to do the job for you?
If so, see: http://www.keil.com/condb/search.asp
although you're still going to have to put some work in to be able to give a proper requirement against which someone could quote...