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ccs无法连接到LAUNCHXL-F28069M

Other Parts Discussed in Thread: TMS320F28069

目前我使用ccs7.3,使用自带的28069的例子无法下载到硬件上,后来我生成一个新project,target:2806x Piccolo,TMS320F28069;connection:TI XDS100V2 USB Debug Probe,得到以下信息:

[Start]
Execute the command:
%ccs_base%/common/uscif/dbgjtag -f %boarddatafile% -rv -o -F inform,logfile=yes -S pathlength -S integrity
[Result]

-----[Print the board config pathname(s)]------------------------------------
C:\Users\86173\AppData\Local\TEXASI~1\CCS\
    ti\0\0\BrdDat\testBoard.dat
-----[Print the reset-command software log-file]-----------------------------
This utility has selected a 100- or 510-class product.
This utility will load the adapter 'jioserdesusb.dll'.
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 '-151' (0xffffff69).
The title is 'SC_ERR_FTDI_OPEN'.
The explanation is:
One of the FTDI driver functions used during the connect
returned bad status or an error. The cause may be one or
more of: no XDS100 is plugged in, invalid XDS100 serial number,
blank XDS100 EEPROM, missing FTDI drivers, faulty USB cable.
Use the xds100serial command-line utility in the 'common/uscif'
folder to verify the XDS100 can be located.
[End]
由于才接触这些,不清楚哪里出了错,希望大家给点建议,谢谢