Client Control application controls are disabled after connecting

[pghole]

I have installed demo RFCOMM_Serial_Port application on my evaluation board CYBY-483056-EVAL. After downloading program I was able to connect to device from PC. I opened the client control application and connected on WICED HCI port.

But then all the remaining tab controlls are grayed out and disabled.

[Owen_Zhang123 · Accepted solution]

If you want to use the ClientControl to communicate with the device, there should be HCI interface related code in the application. For example, you can refer to the Audio_Watch demo for CYW20719B2EVB and check the function hci_control_hci_packet_cback().