Communicating with pc using usb uart

[WajdiMuh]

im using a nexys 4 ddr board and im trying to send data from my pc to the board using uart

i used the file uart_rx.v from https://www.nandland.com/vhdl/modules/module-uart-serial-port-rs232.html

and in the top level design i connected it like this

uart_rx #(.CLKS_PER_BIT(868)) reciever(.i_Clock(buzzclkwire),.i_Rx_Serial(UART_TXD_IN),.o_Rx_DV(c),.o_Rx_Byte(byte));

  always @ (posedge CLK100MHZ)
    begin
        if(byte !=0)
            LED = 8'b11111111;
    end

this check should light up the leds when data is sent

also note when i press any letter in putty the tx led on the board lights up

[MarkSe]

I am not familiar with this library, but I note that you are passing in UART_TXD_IN for the i_Rx_Serial parameter. Is that the correct value to use?

[WajdiMuh]

yes but to make sure i tried both uart inputs to make sure