F-Tile HDMI Intel® FPGA IP Design Example User Guide

ID 709314
Date 3/17/2023

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2.11.1. Software Debug 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:
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.