Re: ALSA MIDI on Raspberry PI: no events from input device (USB keyboard)
Fernando Carello <[email protected]> Sun, 31 Jan 2021 18:29:20 +0100
| Newsgroups | gmane.linux.alsa.user |
|---|---|
| Message-ID | <CAFgqmsbjRUpp6GcNhzhL1aE9HryykmPo3BKE2Yx7AoxFCbwG9g@mail.gmail.com> |
> > 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