Re: [Alsa-user] MIDI, snd-serial-u16550 and dropped notes

2011-03-03 Thread r10kindsofpeople
On Tue, Mar 1, 2011 at 5:34 PM, r10kindsofpeople wrote: > Ok, let's try problem 2: something is causing corrupted MIDI messages. > > Using the snd-serial-u16550 driver I have two MIDI inputs.  Every now > and then (after 5-15 minutes of playing) I get a dropped or corrupted >

Re: [Alsa-user] MIDI, snd-serial-u16550 and dropped notes

2011-03-02 Thread r10kindsofpeople
Ok, let's try problem 2: something is causing corrupted MIDI messages. Using the snd-serial-u16550 driver I have two MIDI inputs. Every now and then (after 5-15 minutes of playing) I get a dropped or corrupted message. I managed to capture this using both a logic analyzer on the serial data and

[Alsa-user] MIDI, snd-serial-u16550 and dropped notes

2011-02-28 Thread r10kindsofpeople
I'm actually having what I think are two different problems with dropped notes, but let's focus on the easier one first... snd-serial-u16550 appears to drop notes when CTS is raised/lowered. If I send large amounts of data to a port from the PC, the receiving serial device eventually raises CTS t