利用matlab生成​的C2000代码，硬​件通过XDS110与​HOST连接，想利用​simulink检测​dsp运行时的外设数​据，连接时一直报错是​什么原因？

硬件：基于280049C开发的数字电源(电源内部没有配置串口或者其他通信)

仿真器：XDS110 占用了COM3与COM4

请问External mode设置正确吗？需要搭建额外的串口通信到HOST PC上吗？

Answer 1

[Bhanu Prakash]

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:

• https://www.mathworks.com/matlabcentral/answers/1988388-f28035-xcp-connection-error?s_tid=srchtitle

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!