[PD] BUG on midifixes - (was: midifixes testing)

[Martin Peach]

On Mon, Dec 4, 2017 at 1:39 PM, Ingo <ingo at miamiwave.com> wrote:

> 145 is the complete status byte for MIDI channel 2 note on.
>
> 144 should be subtracted but even then it still comes out to channel 2
> according to the MIDI specs and not 1.
> Unfortunately the way Pd handles MIDI channels.
>
> The problem is that Pd counts from 1-16 instead of 0-15. Maybe that's why
> it
> is off by 1. Using 145 instead of 144 for channel 1.
>
> Counting from 1-16 like Pd does it is very annoying as one has to first
> subtract 1 then do [mod 16] and add 1 again for higher input counts.
> Otherwise you cannot assign all channels from the second MIDI In up to the
> first 16  MIDI channels.
> (I guess it's too late to change that in Pd without breaking everything
> ...)
>
>
The MIDI spec talks about channels 1-16 but they are numbered in the MIDI
codes as 0-15 (probably because you need 5 bits to encode 1-16 vs 4 bits
for 0-15). A lot of hardware that uses DIP switches or 7-segment digits to
select channels uses 0-based counting, but software and equipment with
decent displays uses 1-16. It seems that the user interface _should_ use
1-16 even though the underlying system uses 0-15.

Martin




> Ingo
>
>
>
> Subject: [PD] BUG on midifixes - (was: midifixes testing)
>
> But wait, there's a bug:
>
> when creating [notein] I play on my midichannel 1 and I get “145” on
> [notein] third outlet. 145 can't be a midichannel.
> Also when using [notein 1] I don't receive anything.
>
> This is not happening on 0.48.0
>
> ATM I cant test if this is also happening with [ctlin]
>
>
> --
> Mensaje telepatico asistido por maquinas.
> On 12/4/2017 2:16 PM, Lucas Cordiviola wrote:
> I did a build for win32 using Christof's makefiles about 16hours ago.
>
> I used "doc/7.stuff/tools/miditester.pd" with a midi-cable loop on my
> soundcard's midi in/out
>
> Here's the console:
>
> ///////////////////////////////
>
>
> sent channel: noteon 64 65
> sent channel: noteon 66 0
> sent channel: polytouch 67 68
> sent channel: control 69 70
> sent channel: program 71
> sent channel: touch 72
> sent channel: bend -8119
> sent channel: noteon 64 0
> sent system: sysex
> sent system: 1 2 3 4 5 247
> sent system: timecode
> sent system: 10
> sent system: songpos
> sent system: 20 30
> sent system: song
> sent system: 40
> sent system: tunerequest
> received sysexin: start
> received sysexin: 1
> received sysexin: 2
> received sysexin: 3
> received sysexin: 4
> received sysexin: 5
> received sysexin: end
> received system: timecode
> 10
> received system: songpos
> 20
> 30
> received system: song
> 40
> received system: tunerequest
> sent system: clock
> sent system: start
> sent system: continue
> sent system: stop
> sent system: activesense
> sent system: systemreset
> received realtime: clock
> received realtime: start
> received realtime: continue
> received realtime: stop
> received realtime: activesense
> received realtime: systemreset
> received channel: noteon
> 64
> 65
> received channel: noteon
> 66
> 0
> received channel: polytouch
> 68
> 67
> received channel: control
> 70
> 69
> received channel: program
> 70
> received channel: touch
> 72
> received channel: bend
> 73
> 0
> received channel: noteon
> 64
> 0
>
> ///////////////////////////////////////
>
>
> ---
> Mensaje telepatico asistido por maquinas.
> On 12/4/2017 9:40 AM, Dan Wilcox wrote:
> For MIDI heads out there who can build Pd, can y'all test the current git
> master?
>
> My midifixes PR was merged into master and it would be good to get some
> testing on it.
>
> I developed a tool to test things which might be
> handy: https://github.com/danomatika/miditester
>
> --------
> Dan Wilcox
> @danomatika
> danomatika.com
> robotcowboy.com
>
>
>
>
>
>
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