调试28335时发生的问题，2周没有连接目标板，今天连接调试突然发现仿真器与DSP连不上了，工程什么都没有动，点击test connection出现如下提示：
是不是仿真器烧毁了啊，1万多的仿真器啊，要挨骂了
[Start: Spectrum Digital XDS560V2 STM USB Emulator_0]
Execute the command:
%ccs_base%/common/uscif/dbgjtag.exe -f %boarddatafile% -rv -o -F inform,logfile=yes -S pathlength -S integrity
[Result]
-----[Print the board config pathname(s)]------------------------------------
C:\Users\Administrator\AppData\Local\Texas Instruments\
CCS\ti\0\0\BrdDat\testBoard.dat
-----[Print the reset-command software log-file]-----------------------------
This utility has selected a 560/2xx-class product.
This utility will load the program 'sd560v2u.out'.
E_RPCENV_IO_ERROR(-6) No connection: DTC_IO_Open::dtc_conf
Download failed for file C:\ti\ccsv6\ccs_base\common\uscif\xds560v2.out
An error occurred while soft opening the controller.
-----[An error has occurred and this utility has aborted]--------------------
This error is generated by TI's USCIF driver or utilities.
The value is '-250' (0xffffff06).
The title is 'SC_ERR_ECOM_EMUNAME'.
The explanation is:
An attempt to access the debug probe via USCIF ECOM has failed.
[End: Spectrum Digital XDS560V2 STM USB Emulator_0]
