infrared

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Well we've gotten most of the info to start, but first what is the type of the IR transmitter and receiver?

Second, how familiar are you with VHDL? You said you used it as a programming language, but it is not. It describes hardware, and such needing a different way of thinking. But that left aside. We need to know as much information as you can give.

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the type of IR is HSDL-3201.

i know how to use VHDL.i'm working on FPGA (demo board)

http://www.mouser.com/pdfdocs/terasic_de2_usermanual_16.pdf