[FAQ] TDA4VM: Reconfiguration of disconnected camera or camera that is powered off

The below patch is made on SDK 8.6 for J721e.

The patch enables reconfiguration of the sensors that are either disconnected or powered off during the execution of the multi-cam application.

Please apply this patch onto ${PSDRA}/vision_apps/ folder.

/cfs-file/__key/communityserver-discussions-components-files/791/camera_5F00_reconfig.patch

To test this implementation follow the below steps.

1. Run the multi-cam demo on the EVM in the interactive mode.

2. disconnect one of the sensor during execution.

3. You would see other sensors streaming and an error frame streaming in place of disconnected sensor on the display.

4. Connect the sensor back to the EVM.

5. Press "r" on the terminal to reconfigure the sensor.

6. You should see the sensor streaming on the display instead of the error frame.

Note: During configuration of the sensor, you would see a hang in the stream of the other sensors. This is due to reason mentioned in the below FAQ. Please follow the below FAQ to resolve this.

https://e2e.ti.com/support/processors-group/processors/f/processors-forum/1250032/faq-tda4vm-process-openvx-graph-while-simultaneously-configuring-a-camera

Regards,

Nikhil