On 24.03.20 11:05, Johan Hovold wrote: > On Fri, Mar 06, 2020 at 07:00:41PM +0000, Michael Hanselmann wrote: >> A subset of CH341 devices does not support all features, namely the >> prescaler is limited to a reduced precision and there is no support for >> sending a RS232 break condition. >> >> These devices can usually be identified by an imprint of "340" on the >> turquoise-colored plug. They're also sometimes called "HL340", hence the >> terminology in this series and driver. > > You need to come up with a different designation. I have a HL340 device > here which works just fine. Thank you, I didn't know whether the behaviour I'm seeing affects others too. I removed the "HL340" designation for the next revision.