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XDS510U-PLUS连接DM368



ccs3.3。

板子是自己设计的,系统有了。串口有输出

仿真器总是连不上。

新手,请帮忙分析下,可能是什么问题

Warning:
Error 0x40003200/-121
Warning during: OCS, Target, Control,
This error was generated by TI's USCIF driver.

SC_ERR_CMD_HANDLE <-121>
A bad controller handle has been given to a function,
either before attempting to open the controller, or after
having opened the controller and ignored its error status.
Valid controller handles are generated when attempts
to open the controller return a clean error status.


Sequence ID: 0
Error Code: -121
Error Class: 0x40003200
I/O Port = 240

Board Name: connection_dm368
Cpu Name: ARM9_0

Abort:        Close Code Composer Studio.
Retry:        Try to connect to the target again.
Cancel:        Remain disconnected from the target
Diagnostic:    Run diagnostic utility.