Re: [OpenOCD-user] Why does adapter speed downgrade to 1800 kHz?

[Paul F. <fer...@gm...>]

Hi,

On Thu, Mar 07, 2019 at 03:50:24PM +0000, Jack Noppé wrote:
> Ever since I've been using OpenOCD, I've noticed in the adapter output that
> these messages about adapter speed. They never really bothered me, but now that
> I'm trying to use ITM, I really need a stable/predictable adapter speed setting.

This speed is related to SWD communication, not to SWO capture
frequency. For SWD the firmware offers a certain set of speeds (and
another for JTAG) so the driver chooses the closest value not
exceeding current adapter_khz configuration, hence the message.

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