Qualcomm Dragonwing EVK Getting into the board

Table of Contents [Sticky]

After Ubuntu boots on the IQ-9075, use the serial console for first access, change the image's temporary credentials, configure networking to access the board through SSH and update the Ubuntu packages. Test the display support.

Getting into the Board

Once the board boots up, you'll need to connect through serial communication and login to continue setting up Ubuntu. Do the following steps to do so:

Connecting to the board

Follow the Setting Up Board Communication steps to log in to the debug UART console to proceed:

Run the following command with the identified port:
```
 sudo minicom -D /dev/ttyUSB1 -b 115200
```
Sign in to the Dragonwing IQ-9075 EVK Ubuntu UART Console, using ubuntu as both the user and password. After that, you may change the password to the desired one.

Note

If the sign-in option doesn't appear on the command terminal, press Enter

Access Ubuntu and update packages with WiFi connection

Connect the board to your local WiFi network following these steps:

1. Get the available networks SSID:

sudo -i nmcli dev wifi list

2. Access your WiFi network:

 sudo nmcli dev wifi connect <WiFi-SSID> password <WiFi-password>

For example:

 sudo nmcli dev wifi connect yourWiFi password 12345678

3. Update the Ubuntu package list:

 sudo apt-get update

The board is now ready to install more Ubuntu packages if needed. Connection through Ethernet is also available, if you want to do so, connect an Ethernet cable to the Ethernet port (RJ45) and your network router.

Sign in to the Dragonwing IQ-9075 EVK console through SSH

1. Connect the board either to a WiFi or an Ethernet connection as discussed previously.

2. In the Ubuntu UART console on your host, verify the assigned IP to the Dragonwing IQ-9075 EVK:

 ip a

3. Use that IP address to establish the SSH connection between your host and the Dragonwing IQ-9075 EVK:

 ssh ubuntu@<ip-address>

4. The default password is ubuntu. Log in with either that or the password set before.

Enable Ubuntu display

The Dragonwing IQ-9075 has the option to connect a display screen using the DisplayPort0, mouse and keyboard. To enable the graphic display follow the next steps:

Warning

To connect the EVK board to a display with HDMI port, use and HDMI cable along the adapter, and connect it to the active DisplayPort.

1. Add the Qualcomm PPA to Ubuntu Sources:

 sudo apt-add-repository -s ppa:ubuntu-qcom-iot/qcom-ppa

2. Update and install dependencies:

 sudo apt update && sudo apt upgrade

3. Enable display with Weston. To do so, install Weston and related packages:

sudo apt install weston-autostart

sudo apt install gstreamer1.0-qcom-sample-apps

4. Reboot the board:

sudo reboot

5. Set the display environment as the root user:

 sudo -i export XDG_RUNTIME_DIR=/run/user/$(id -u ubuntu)

6. Connect the DisplayPort0 on the Dragonwing IQ-9075 EVK and destkop and wait for the desktop to be displayed on screen.

7. You may test graphics with the sample applications. To run the Weston-Simple-egl example, run:

 weston-simple-egl

FAQ

What are the default Ubuntu credentials on the IQ-9075 image?: Use ubuntu as user and password. Change the credentials right after the first login to prevent security issues.
How to test the display support?: Set the XDG runtime directory and connect the board's display port to a monitor. You should see the graphical environment after this.

Related pages

References

Qualcomm IQ-9075 EVK user guide – Ubuntu

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