Hi Li Peng,
I understand that you are encountering an error while using F280049C in Simulink.
This error can be avoided by creating a secondary serial connection to communicate with the host device. Kindly go through the workflow mentioned in the below link, to resolve the issue:
If the problem persists, I recommend you go through the following links to find any potential solution or insights on the error:
- https://www.mathworks.com/matlabcentral/answers/1805400-why-am-i-getting-a-xcp-internal-error-timeout-expired-error-during-monitor-and-tune-for-ti-f280?s_tid=srchtitle
- https://www.mathworks.com/matlabcentral/answers/2010587-xcp-on-serial-custom-board-c2000?s_tid=srchtitle
Hope this helps!