AD-GMSL792MIPI-EVK Production Testing

Overview

The purpose of the test procedure is to identify connectivity issues, poor soldering, and potential manufacturing defects. Some of the issues are directly identified by explicit part-targeted tests, others are implicit, by running adjacent tests.

Test Duration

Step Description	Estimated Time (minutes)
Test bench setup	4 min
Software test	4 min
Total time	8 min

Test Requirements

Required Hardware

• Raspberry Pi 5 + HDMI cable + power supply

• Mouse and keyboard

• 2 x IMX219 cameras

• 2 x flex cables

• 2 x FAKRA cables

• Device under test: AD-GMSL792MIPI-EVK

• Power supply with USB Type-C for AD-GMSL792MIPI-EVK board

Required Software

• SD card with the test image (provided for the Raspberry Pi)

Required Setup

No.	Steps
1	Insert the SD card into the Raspberry Pi 5.
2	Connect the Raspberry Pi to a monitor and power it.
3	Connect the FAKRA cables to the cameras on AD-GMSL793MIPI-EVK.
4	Connect the camera cables to the AD-GMSL792MIPI-EVK.
5	Connect the P1 and P2 connectors of the D.U.T. using flex cables to P0 and P1 on the Raspberry Pi 5.
6	Power the D.U.T.

Figure 1 System Connections

Figure 2 Camera Connections

Test Process

Wi-Fi Setup

Ensure the Raspberry Pi is connected to Wi-Fi before starting the tests.

• Power on the Raspberry Pi. If the test screen appears automatically, press CTRL+C to exit the test application.

• Click on the Wi-Fi network you want to connect to.

  

  Figure 3 Wi-Fi Network Selection

• Enter the password when prompted.

• After connecting successfully, reboot the Raspberry Pi. Navigate to the application menu and select Logout.

  

  Figure 4 Logout Menu

• Select Reboot from the shutdown options.

  

  Figure 5 Reboot Option

Running the Tests

• After the Raspberry Pi reboots, the test screen will appear automatically.

  

  Figure 6 Test Screen

Communication Test

• Type 1 from the keyboard to start 1) Communication Test.

  

  Figure 7 Communication Test Selection

• Visually check if the DS1 LED is ON and type y or n accordingly.

• If the test passes, you will see a PASSED message.

  

  Figure 8 Communication Test Passed

Data Streaming Test

• Type 2 from the keyboard to start 2) Data streaming test.

  

  Figure 9 Data Streaming Test Selection

• Connect the cameras as shown above.

• If the test passes, you will see a PASSED message.

  

  Figure 10 Data Streaming Test Passed

• If the test is successful, you can consider the device under test functional and continue testing the next boards.