[PD] Sysex out problems (linux only)

András Murányi muranyia at gmail.com
Wed Jul 8 18:14:40 CEST 2009

2009/7/8 Martin Peach <martin.peach at sympatico.ca>

> András Murányi wrote:
>> Dear Sirs,
>> I just have never been successful with sysex in Pd and I'm asking for your
>> kind advice.
>> Attached is an example for a long sysex message which goes out on
>> [midiout] (linux only, afaik).
>> The problems I have:
>> - sysex gets fragmented (also when nothing is sent out meanwhile by other
>> objects). It is always properly terminated with '247' but the content is
>> often truncated. Is this a bug/feature...? What is your best recommendation
>> knowing that my patch is full of sysex outs (+envelopes on some of them!)
> in the patch you posted, the message you send to [midiout] is
> [240,67,16,73,8,$2,19,$1,247(
> , which Pd takes as 9 separate messages because of the comma in between
> each item.
> Probably [240 67 16 73 8 $2 19 $1 247( would work better.

Dear Martin,

that is how it goes afaik, sysex is kind of a sequence, which is comma
as discussed here: http://puredata.hurleur.com/sujet-417-sysex

I just cannot prove it as i have never seen sysex out working :o)

Muranyi Andras
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