今天在玩开发板时不小心下载了个有问题的程序，然后就悲剧了。无法往芯片中烧写程序了。每次想下载程序都会弹出如下的两个错误对话框。
然后消息窗口显示如下的错误信息。
JLink info:————DLL: V4.15n, compiled Jun 18 2010 19:55:09Firmware: J-Link ARM V8 compiled May 20 2010 17:07:46Hardware: V8.00S/N : 24446459 Feature(s) : RDI,FlashDL,FlashBP,JFlash * JLink Info: Could not measure total IR len. TDO is constant high.**JLink Warning: No matching core found.* JLink Info: Could not measure total IR len. TDO is constant high.* JLink Info: Could not measure total IR len. TDO is constant high.* JLink Info: Resetting target using RESET pin* JLink Info: Halting CPU core**JLink Warning: Received 0 as core Id.***JLink Error: Could not find supported CPU core on JTAG chainBad JTAG communication: Write to IR: Expected 0x1, got 0x7 (TAP Command : 2) @ Off 0x5.
百度了一下，没找到什么有用的信息。还是要自己想办法解决。首先，我的JLink
断电，改跳线，重新上电，，进入
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人生至少要有两次冲动，一为奋不顾身的爱情，一为说走就走的旅行。
