[OpenOCD-devel] [openocd:tickets] Re: #149 ST-Link Unsupported status code 0x09

[Paul F. <da...@us...>]

On Fri, Mar 31, 2017 at 02:45:31PM +0000, steve wrote:
> I tried Paul's suggestion on reset, and that enabled me to connect sufficiently
> to get back the ID code, although it did give an error message! Error: BUG:
> can't assert SRST

Does it mean you use a board config that lacks "reset_config
srst_only" when in fact this board has SRST properly connected?

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** [tickets:#149] ST-Link Unsupported status code 0x09**

**Status:** new
**Milestone:** 0.9.0
**Created:** Fri Mar 31, 2017 11:44 AM UTC by steve
**Last Updated:** Fri Mar 31, 2017 03:10 PM UTC
**Owner:** nobody


Using STM32L031 Nucleo for detailed investigation, although suspect similar problem on STM32L050 Nucleo. Running ST-Link software 2J28M18 (latest as of now). OpenOCD release 0.10 final
Fails to connect to target.
Relevant debug output:
~~~
Debug: 256 47 stlink_usb.c:817 stlink_usb_init_mode(): MODE: 0x01
Debug: 257 47 stlink_usb.c:442 stlink_usb_error_check(): unknown/unexpected STLINK status code 0x9
Error: 258 47 stlink_usb.c:1779 stlink_usb_open(): init mode failed (unable to connect to the target)
~~~
Looking in the source, this status code does not appear to be recognised at all - presumably recent addition.

I tried reducing clock speed from 300kHz to 100kHz without any difference.

Note: I can connect to the target using ST-Link.


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