Question

用chipscope往xilinx板子里下载程序出现下面问题，怎么办啊

INFO: ChipScope Pro Analyzer Version: 12.4 M.81d (Build 12400.10.336.1163)
COMMAND: open_cable
COMMAND: open_cable
INFO: Started ChipScope host (localhost:50001)
INFO: Successfully opened connection to server: localhost:50001 (localhost/127.0.0.1)
INFO: Trying to open Xilinx Platform USB Cable on port USB2
INFO: No supported devices found in JTAG chain
INFO: Successfully opened Xilinx Platform USB Cable
INFO: Cable: Platform Cable USB, Port: USB21, Speed: 3 MHz
INFO: Attempting to connect to an existing server.
INFO: Successfully opened connection to server: localhost:50001 (localhost/127.0.0.1)
INFO: Trying to open Xilinx Platform USB Cable on port USB2
INFO: No supported devices found in JTAG chain
INFO: Successfully opened Xilinx Platform USB Cable
INFO: Cable: Platform Cable USB, Port: USB21, Speed: 3 MHz
WARNING: Closing cable due to unknown JTAG Chain Device IR length.

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Answer 1

这个和chipscope是不是没关系啊~

你看JTAG链正常么 不加chipscope下载个程序就可以么？

追问

好像真的不管chipscope的事 是板子的问题 但是不知从何入手

追答

换条下载线试试？ 板子以前是好的么？

追问

下载线在别的板子上试了没问题，应该是板子的问题，板子是自己做的

追答

哦~ 那可能就是板子有问题了...