8Strings82 Posted February 3, 2020 Share Posted February 3, 2020 Hello to everyone, Some months ago I bought a ZyBO Z7 board to start making experience with Vivado and Xilinx FPGAs. I have followed the getting started tutorials, and developed the example using the on oboard switches and leds. I am able to program the fpga and the example works almost fine. I have tried to use putty to test the serial communications and see some output messages. I have configured putty to use a baud rate of 115200, with a parity bit and 1 byte lenghts for the messages. When I open the terminal I see no data at all. I have tried different baud rates but it seems to me that the UART is not programmed correctly, it might depent from the configuration of the PL. How can I debug this? I think that when the board was brand new, the serial connection was working correctly, since I could see the messages of the linux OS installed on the SD Card. I have also seen that the PROGB led is always off. How can I debug this? Is there a way to put the board back to a stable state (something like a factory reset) ? Thanks to everybody for your advices, Giovanni Link to comment Share on other sites More sharing options...
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