HDMI

This guide will show you how to use the HDMI connecter on the phyCORE-AM62Ax development kit carrier board.

Requirements

In order to follow this guide you will need an HDMI cable as well as an HDMI capable display such as a monitor.

Note

Be sure that you are not using a headless BSP image as this does not support the HDMI interface.

Setup the HDMI Display

Power off and remove the power supply from the development kit.
Target (Linux)
```
 poweroff
```
Connect the HDMI display to X45 and to the HDMI monitor.
Power on the development kit. As the board is booting, 4x Tux the penguins should appear, followed by a PHYTEC logo with a loading bar and finally a “Multitouch” qtdemo should show on the screen.

Note

There is a known issue with qt5demo having a distorted image with missing pixcels.

Default Test Image

Stop the qtdemo and weston demos.

Target (Linux)

systemctl stop phytec-qtdemo
systemctl stop weston.socket

Run the following command to display a test image on the screen.

Target (Linux)

fbtest

Expected Output

 root@phyboard-lyra-am62axx-1:~# fbtest
 Using drawops cfb32 (32 bpp packed pixels)
 Available visuals:
   Monochrome
   Grayscale 256
   Truecolor 8:8:8:0
 Using visops truecolor
 Running all tests
 test001: PASSED
 test002: PASSED
 test004: PASSED
 test006: PASSED
 test008: PASSED
 test009: PASSED

Tip

Remove the cursor blink with:

Target (Linux)

 echo 0 > /sys/class/graphics/fbcon/cursor_blink