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Showing results for tags 'rs232protocol'.
Hello, I am trying to send a character to FPGA from PC hyper terminal , for eg : 's' to start other processes in FPGA like initiating generation of CCD signals and sampling ADC et al and a different ascii character to stop the processes. I am able to send a ASCII character from PC hyper terminal and receive binary value it on FPGA LED's however I'm unable to use this for control. Please find my top level code below. 'Start' signal is to be controlling the initiation of other processes. library IEEE; use IEEE.STD_LOGIC_1164.ALL; use IEEE.NUMERIC_STD.ALL; Library UNISIM; u