HDMI Intel® Arria 10 FPGA IP Design Example User Guide

ID 683156
Date 11/12/2021
Public

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2.15.1. Software Debugging Message

You can turn on the debugging message in the software to provide you run-time assistance.

To turn on the debugging message in the software, follow these steps:

  1. Change the DEBUG_MODE to 1 in the global.h script.
  2. Run script/build_sw.sh on the Nios® II Command Shell.
  3. Reprogram the generated software/tx_control/tx_control.elf file by running the command on the Nios® II Command Shell:
    nios2-download -r -g software/tx_control/tx_control.elf
  4. Run the Nios® II terminal command on the Nios® II Command Shell:
    nios2-terminal
When you turn on the debugging message, the following information print out:
  • TI redriver settings on both TX and RX are read and displayed once after programming ELF file.
  • Status message for RX EDID configuration and hotplug process
  • Resolution with or without FRL support information extracted from EDID on the sink connected to the TX. This information is displayed for every TX hotplug.
  • Status message for the TX link training process during TX link training.

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