Re: [Alsa-user] ALSA MIDI on Raspberry PI: no events from input device (USB keyboard)

[Fernando C. <fca...@gm...>]

Is there any other test I could perform to understand what's going on?

Thanks
Fernando


> > > The keyboard seem to send raw midi messages in a stream, but Alsa does
> > > not translate them in Sequencer events.
> >
> > Strange. This should happen automatically, especially if the sequencer
> > device (port 20) is there.
> >
> > Does the count in /proc/asound/card1/midi0 increase while aseqdump
> > is running?
>
> No, it stays fixed (this time the keyboard is on port 16):
>
> aseqdump --p 16
> Waiting for data. Press Ctrl+C to end.
> Source  Event                  Ch  Data
>  16:0   Active Sensing
>
>
> tail -f midi0
> GarageKey mini
>
> Output 0
>   Tx bytes     : 0
> Input 0
>   Rx bytes     : 10155
>   Owner PID    : 2224
>   Buffer size  : 4096
>   Avail        : 0
>   Overruns     : 0
> tail: midi0: file truncated
> GarageKey mini
>
> Output 0
>   Tx bytes     : 0
> Input 0
>   Rx bytes     : 10155
>   Owner PID    : 2224
>   Buffer size  : 4096
>   Avail        : 0
>   Overruns     : 0