thank you for reply I have code of Trapezoidal driving method. i didn't work on sinusoidal method.
in trapezoidal method i used high side driving of n channel mosfet. and back emf is sense by any one phase
. for this Trapezoidal i refer http://ww1.microchip.com/downloads/en/AppNotes/00857B.pdf
for this way i can drive bldc motor with Trapezoidal method.
what are the hardware changes for Sinusoidal method required and seance back emf ?
sorry for poor English
thank you