vhdl code for quadrature decoder

[sanishvsanu]

hello I am new to VHDL so i really need help

I have a cyclone-2FPGA & I need to implement quadrature decoder.

Can anyone help me with the VHDl code for quadrature decoder ??

Thanks a lot

 

[Marcel Majoor]

have a look here:

http://www.atmel.com/dyn/products/app_notes.asp?family_id=627

and look for "Quadrature Decoder/Counter using Atmel FPGA/FPSLIC" (doc3037.pdf and 3037.zip).