2019-03-23 14:42发布
JLink info:
------------
DLL: V6.30h, compiled Mar 16 2018 18:02:51
Firmware: J-Link V9 compiled Mar 2 2018 17:07:57
Hardware: V9.40
S/N : 59425868
Feature(s) : RDI, GDB, FlashDL, FlashBP, JFlash, RDDI
* JLink Info: STM32 (connect): Can not attach to CPU. Trying connect under reset.
* JLink Info: STM32 (connect): Can not attach to CPU. Trying connect under reset.
***JLink Error: STM32: Connecting to CPU via connect under reset failed.
Error: Flash Download failed - Target DLL has been cancelled
Flash Load finished at 15:23:01
此帖出自小平头技术问答
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接上复位看看
二、SWD的io是否被remap，如果被remap了，可以按住复位，然后点击下载，点击下载后等待大概1s后松开reset就可以下载了；
三、其他问题，
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