yap, this makes sense. I imagined Gmidimonitor does that. but why is not
parsing midi from Pd?
sorry, maybe I'm just missing the point, but I'm really trying to get my
head around with that ;)
cheers
On 02/22/2018 10:29 PM, Christof Ressi wrote:
don't confuse MIDI messages with the individual bytes which make up the
message. Gmidimonitor parses the byte stream so it can tell you which messages
it gets. [midiout] is only responsible for sending raw *bytes* to a MIDI
device. it's your job to assemble your MIDI *messages*.
Gesendet: Donnerstag, 22. Februar 2018 um 23:05 Uhr
Von: "mario buoninfante" <mario.buoninfa...@gmail.com>
An: Alex <x37v.a...@gmail.com>
Cc: pd-list@lists.iem.at
Betreff: Re: [PD] sysex messages
yap, I know that at the end of the day MIDI is dealing with 1 byte at time. I
was wondering why there's a difference between 2 different piece of code that
generates MIDI (Pd and Hardware synth).
for example I just monitored (via USB) my Novation Circuit (a groovebox) and
Gmidimonitor receives messages 81 bytes long. with Pd as I said is always 1
byte.
now my question would be, how is this possible?
I'm sure Circuit sends sysex 81 bytes long, so I know that this is correct, but
still I don't know why Pd doesn't allow something like that.
cheers,
Mario
On 02/22/2018 09:58 PM, Alex wrote:
MIDI is a serial protocol, individual bits running down a single line, we now
also have USB midi which is a little bit different than that but usually that
is abstracted for you.The software monitor you're using likely groups these for
you but in reality you simply have a stream of individual bits on the hardware
line..
PD's object let you do bytes at a time instead of individual bits :)
On Thu, Feb 22, 2018 at 1:47 PM, mario buoninfante <mario.buoninfa...@gmail.com[mailto:mario.buoninfa...@gmail.com]> wrote:
Hi Alex,
thanks for your reply. I think that also using your abstraction Pd will spit out 1 byte per time (I didn't check it, but I assume that cause it's not an external in C).
about MIDI if I'm not wrong, bytes are grouped in accord with the type of
message, ie Note on/off and CC are 3 bytes messages, channel pressure and
program change are 2 bytes, sysex have variable length and so on. and I presume
they're sent out in group.
in fact when I monitor MIDI messages coming for certain applications (I'm on
Linux and I'm using Gmidimonitor) the console tells me the sysex size in bytes.
so, with Pd the size is always 1 byte, but with other programming languages and
softwares is variable and goes in accord with the sysex I generated.
cheers,
Mario
On 02/22/2018 09:34 PM, Alex wrote:
I haven't tested in a while but I wrote an abstraction to take a list, wrap it
in the sysex start and end and output it as individual bytes:
https://github.com/x37v/pure_data[https://github.com/x37v/pure_data]
midi is a byte oriented protocol..
On Thu, Feb 22, 2018 at 1:24 PM, mario buoninfante <mario.buoninfa...@gmail.com[mailto:mario.buoninfa...@gmail.com]> wrote:Hi,
do you guys know if there's a way to send a list of sysex messages (or 1
complete message, let's say 8 bytes long) rather then 1 byte per time?
if not, do you know if there's a particular reason why it's not possible?
cheers,
Mario
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