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** [tickets:#272] J-Link v9 + STM32: failed to connect under reset**
**Status:** new
**Milestone:** 0.9.0
**Created:** Fri Jun 26, 2020 01:13 PM UTC by Yunhao Tian
**Last Updated:** Fri Jun 26, 2020 01:13 PM UTC
**Owner:** nobody
Hi,
I'm using J-Link v9 with STM32. It works fine except connect_assert_reset.
After some investigation I noticed that the jlink_speed function deasserts the
reset line, which caused the STM32 to boot too early when it's supposed to be
in reset state, and leads to `Error: timed out while waiting for target halted`
problem.
This commit
(https://github.com/t123yh/openocd/commit/fd1997bc21c1c7199f4715c0e5ab24f64bb8bf90)
temproarily fixes the problem, but I wonder if there's a more elegant solution.
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