Thanks Dan. I'll run some more tests and try out Ingo's suggestion. On Fri, Feb 21, 2020, 3:29 AM Dan Wilcox <[email protected]> wrote:
> PD tries to handle MIDI as fast as it gets it, hence Miller's warning. > > First, does Pd lock up on the RPI *without* your patch running? If so, > then Pd itself is clogged up by all the messaging on the RPI. If it's your > patch, then your message handling can/should be optimized ala Ingo's > suggestion. Do you have any GUI objects in the message chain? If so, the > fast messaging will also be causing GUI updates which may be slow on the > RPI. Another way to check this is to run Pd with -nogui and see if it works > without hanging. > > On Feb 21, 2020, at 12:00 PM, [email protected] wrote: > > From: Andrew Lyons <[email protected]> > To: pd-list <[email protected]> > Subject: [PD] Throttling midi message rates > Message-ID: > <caf3kzatnm75zftg7wvjt_3hf8vcop0zjl96ggbvrx_bsug+...@mail.gmail.com> > Content-Type: text/plain; charset="utf-8" > > Hi, > > I have an FCB 1010 MIDI foot pedal controller with 10 switches and two > pedals. One of the foot pedals is used to control glissando rate. More > specifically, it is hooked up to a vline~ object in pd. (I originally used > a line.) > > If I change the pedal position too quickly, it locks up PD, and I have to > kill and restart the software. I have not encountered this before, but I > remember Miller saying something about "bad things happen" if the MIDI > input rate is too high in one of his MS171 lectures. > > I do not have access to the firmware code on the foot pedal board, so I'm > hoping there is a way to throttle MIDI data rates in PD. I am running on a > raspberry pi 3 (buster) in a Zynthian kit. > > Any pointers appreciated. > > Thanks! > > > -------- > Dan Wilcox > @danomatika <http://twitter.com/danomatika> > danomatika.com > robotcowboy.com > > > >
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