Re: ttyACM and BREAK chars ?

[Oliver Neukum]

Am Mittwoch, den 11.09.2019, 12:39 +0000 schrieb Joakim Tjernlund:
> Every now and then my ttyACM0 hangs up or sends a BREAK char to my device.
> I am trying to make ttyACM ignore incoming(over USB) and not emit
> any BREAK automatically using termios (IGN_BRK) but that does not make a 
> difference.
> 
> Is BREAK handling unimpl. in ttyACM ?

acm_send_break() implements it.
But the support is optional in ACM devices.

What is bmCapabilities in sysfs for your device?

        Regards
                Oliver