[PD] 14bit midi. nrpn and ctlin

Nicholas Ward nicholas.ward at cs.tcd.ie
Thu Jul 7 20:28:27 CEST 2005


yep,
Thats what i did.
it prints nothing for an nrpn and fine for ctrlin and yet i can see the 
nrpn data fine in midi monitor!
baffling


On 7 Jul 2005, at 18:56, Martin Peach wrote:

> The source code for the ctlin object is in s_midi.c and x_midi.c, all 
> it does is list whatever cc message comes its way.
> There is no difference between cc98 and cc3 as far as [ctlin] is 
> concerned. No other filtering is done inside pd.
> If you open the nrpnin abstraction that David attached you'll see that 
> it contains a [ctlin] and is otherwise made of standard pd objects 
> that all work on OSX.
> I would make a simple patch like this (the first part of the 
> $0-nrpnin-guts subpatch):
> [ctlin]
> |  |  |
> [pack f f f]
> |
> [print]
> ...and have a look at what it prints.
>
> Martin
>
> Nicholas Ward wrote:
>
>> No the abstraction is fine. Its ctlin thats the problem.. NRPNs are 
>> (as far as i understand) just four controller messages in a row. cc99 
>> , cc98, specifying the parameter to affect and cc6 and cc38 
>> specifying the value. looking at plumstone output (a java extension 
>> for OS X with a tester app that shows incoming midi) I see this is 
>> the case. e.g.
>>
>> time             ch cc data
>> 9567000 [11:4 99 0]
>> 9567000 [11:4 98 4]
>> 9567000 [11:4 6 10]
>> 9567000 [11:4 38 27]
>>
>> so thats why i dont see why ctlin has a problem with them. If i send 
>> a cc99 message to ctlin it has no problem.
>>
>> Is nrpn just not supported by ctlin on os x?
>>
>> Nick
>>
>> On 7 Jul 2005, at 17:01, Martin Peach wrote:
>>
>>> Checking http://www.borg.com/~jglatt/tech/midispec/nrpn.htm it seems 
>>> that nrpns _are_ standard cc messages: they're 98 and 99.
>>> If your [ctlin] outputs those then the problem is with the nrpn 
>>> abstraction.
>>>
>>> Nicholas Ward wrote:
>>>
>>>> Hi David,
>>>> The problem is with ctlin. I attached a print to a ctlin. Loads of 
>>>> numbers for standard cc messages. Not a sausage for nrpn!
>>>> Any other ideas out there?
>>>> Thanks
>>>> Nick
>>>>
>>>>
>>>> On 7 Jul 2005, at 06:32, David NG McCallum wrote:
>>>>
>>>>> Nick,
>>>>>
>>>>> I've actually updated the abstractions but haven't bothered to 
>>>>> upload
>>>>> them (I think). I've attached them here, hope no one minds. The 
>>>>> logic
>>>>> hasn't changed at all, it's just a little more elegant (maybe).
>>>>>
>>>>> Not sure about your problem, though... Are you having problems with
>>>>> [nrpnin], or just getting *any* data from [ctlin] when using the 
>>>>> nrpn
>>>>> controllers?
>>>>>
>>>>> Let me know if you have problems with the newer [nrpnin]. I've 
>>>>> never
>>>>> actually tested them on nrpn hardware. I still have no idea why I 
>>>>> spent
>>>>> the time working on them. :) But I've been told they work.
>>>>>
>>>>> cheers,
>>>>> David
>>>>> __ _  _  _ _ __ ___ _  ___ __ _ _ _ ____ __
>>>>> Music wants to be free   http://sintheta.org
>>>>>
>>>>> Nicholas Ward wrote:
>>>>>
>>>>>> Hello,
>>>>>> Im trying to get 14bit midi messages into pd. This was discussed 
>>>>>> a few
>>>>>> months ago and I've got an  abstraction nrpnin to parse the 
>>>>>> output from
>>>>>> a ctlin from David McCallum's site
>>>>>> http://www.mentalfloss.ca/sintheta/html/downloads.html
>>>>>>
>>>>>> Im using a behringer bcf2000 controller.
>>>>>>
>>>>>> The problem is Ctlin doesnt output anything if i send an nrpn 
>>>>>> message.
>>>>>> It happily works for standard CC. Is this normal? Im on os x 
>>>>>> 10.3.9 and
>>>>>> pd.app 0.38-4RC0.
>>>>>>
>>>>>> Any ideas ?
>>>>>>
>>>>>> Thanks
>>>>>>
>>>>>> Nicky
>>>>>>
>>>>>>
>>>>>> Ive installed midi monitor and can see that the bcf is outputting 
>>>>>> the
>>>>>> midi message fine, below is the output for one complete message.
>>>>>>
>>>>>> 01:37:22.548    From BCF2000    Control    5    Non-Registered 
>>>>>> Parameter
>>>>>> MSB    0
>>>>>> 01:37:22.548    From BCF2000    Control    5    Non-Registered 
>>>>>> Parameter
>>>>>> LSB    10
>>>>>> 01:37:22.548    From BCF2000    Control    5    Data Entry 
>>>>>> (coarse)    3
>>>>>> 01:37:22.548    From BCF2000    Control    5    Data Entry (fine) 
>>>>>>    105
>>>>>
>>>>>
>>>>> #N canvas 11 85 454 460 10;
>>>>> #X text 116 168 Data comes in as:;
>>>>> #X text 115 187 Parameter MSB: Ctl 99;
>>>>> #X text 115 199 Parameter LSB: Ctl 98;
>>>>> #X text 114 212 Value MSB: Ctl 6;
>>>>> #X text 114 224 Value LSB: Ctl 38;
>>>>> #X text 156 337 value;
>>>>> #X text 214 316 parameter;
>>>>> #X obj 110 335 outlet;
>>>>> #X obj 167 313 outlet;
>>>>> #X obj 224 290 outlet;
>>>>> #X text 273 289 channel;
>>>>> #N canvas 458 0 656 592 1001-nrpnin_guts 0;
>>>>> #X obj 120 26 ctlin;
>>>>> #X text 166 530 value;
>>>>> #X text 220 499 parameter;
>>>>> #X obj 120 49 pack f f f;
>>>>> #X msg 120 72 \$3 \$2 \$1;
>>>>> #X obj 120 97 route \$2;
>>>>> #X obj 171 120 spigot;
>>>>> #X obj 208 28 loadbang;
>>>>> #X obj 208 49 f \$2;
>>>>> #X obj 208 70 sel 0;
>>>>> #X msg 208 92 1;
>>>>> #X text 257 60 if no midi channel specified \, omni;
>>>>> #X obj 171 363 spigot;
>>>>> #X obj 208 275 loadbang;
>>>>> #X obj 208 317 sel 0;
>>>>> #X msg 208 339 1;
>>>>> #X obj 120 249 route \$1;
>>>>> #X msg 171 147 \$2 \$3;
>>>>> #X obj 208 296 f \$1;
>>>>> #X obj 120 528 outlet;
>>>>> #X obj 171 496 outlet;
>>>>> #X msg 220 147 \$1;
>>>>> #X obj 171 386 unpack f f;
>>>>> #X obj 221 463 outlet;
>>>>> #X text 270 462 channel;
>>>>> #X text 265 305 since Pd defaults lack of argument to 0 I can't 
>>>>> think
>>>>> of a way to get this to separate parameter 0 properly. So 0 becomes
>>>>> omni. Sorry!;
>>>>> #N canvas 518 368 751 539 1001-filter_proper_input 0;
>>>>> #X obj 37 19 inlet;
>>>>> #X obj 37 419 outlet;
>>>>> #X obj 37 294 glue;
>>>>> #X obj 85 292 nop;
>>>>> #X obj 37 42 route 99;
>>>>> #X obj 37 72 t f b;
>>>>> #X obj 37 330 route 38;
>>>>> #X msg 67 207 list;
>>>>> #X obj 37 376 route 6;
>>>>> #X obj 37 397 route 98;
>>>>> #X msg 37 353 \$2 \$4 \$6 \$5 \$3 \$1;
>>>>> #X text 251 10 Okay \, cleaner than before.;
>>>>> #X text 239 358 Reorder them with controllers followed by values;
>>>>> #X text 239 386 If the controllers route properly \, it's an NRPN!
>>>>> ;
>>>>> #X obj 213 241 sel;
>>>>> #X obj 127 192 route list float;
>>>>> #X obj 127 216 route 98 6 38;
>>>>> #X obj 229 262 bang;
>>>>> #X text 243 43 When CC 99 comes in \, append the next four CC 
>>>>> controllers.
>>>>> [glue];
>>>>> #X text 274 206 Um \, this part made more sense before \, basically
>>>>> make sure the [glue] doesn't fill up with crap if the CCs aren't 
>>>>> NRPN.
>>>>> ;
>>>>> #X connect 0 0 4 0;
>>>>> #X connect 2 0 3 0;
>>>>> #X connect 2 0 6 0;
>>>>> #X connect 2 0 15 0;
>>>>> #X connect 3 0 2 1;
>>>>> #X connect 4 0 5 0;
>>>>> #X connect 4 1 2 0;
>>>>> #X connect 5 0 2 0;
>>>>> #X connect 5 1 7 0;
>>>>> #X connect 6 0 10 0;
>>>>> #X connect 7 0 2 1;
>>>>> #X connect 8 0 9 0;
>>>>> #X connect 9 0 1 0;
>>>>> #X connect 10 0 8 0;
>>>>> #X connect 14 1 17 0;
>>>>> #X connect 15 0 16 0;
>>>>> #X connect 15 1 14 1;
>>>>> #X connect 16 3 14 0;
>>>>> #X connect 17 0 7 0;
>>>>> #X restore 120 186 pd \$0-filter_proper_input;
>>>>> #N canvas 0 0 568 312 1001-MSB_and_LSB 0;
>>>>> #X obj 79 78 unpack f f f f;
>>>>> #X obj 131 149 +;
>>>>> #X obj 79 148 +;
>>>>> #X obj 79 114 * 128;
>>>>> #X obj 131 113 * 128;
>>>>> #X obj 79 180 pack f f;
>>>>> #X obj 79 47 inlet;
>>>>> #X obj 79 250 outlet;
>>>>> #X text 218 82 All that's left is the MSB and LSB values for the 
>>>>> parameter
>>>>> \, and the parameter value. These are used to calculate the 
>>>>> parameter
>>>>> and parameter value;
>>>>> #X connect 0 0 3 0;
>>>>> #X connect 0 1 2 1;
>>>>> #X connect 0 2 4 0;
>>>>> #X connect 0 3 1 1;
>>>>> #X connect 1 0 5 1;
>>>>> #X connect 2 0 5 0;
>>>>> #X connect 3 0 2 0;
>>>>> #X connect 4 0 1 0;
>>>>> #X connect 5 0 7 0;
>>>>> #X connect 6 0 0 0;
>>>>> #X restore 120 214 pd \$0-MSB_and_LSB;
>>>>> #X text 192 247 pick the right NRPN controller;
>>>>> #X connect 0 0 3 0;
>>>>> #X connect 0 1 3 1;
>>>>> #X connect 0 2 3 2;
>>>>> #X connect 3 0 4 0;
>>>>> #X connect 4 0 5 0;
>>>>> #X connect 5 0 26 0;
>>>>> #X connect 5 1 6 0;
>>>>> #X connect 6 0 17 0;
>>>>> #X connect 6 0 21 0;
>>>>> #X connect 7 0 8 0;
>>>>> #X connect 8 0 9 0;
>>>>> #X connect 9 0 10 0;
>>>>> #X connect 10 0 6 1;
>>>>> #X connect 12 0 22 0;
>>>>> #X connect 13 0 18 0;
>>>>> #X connect 14 0 15 0;
>>>>> #X connect 15 0 12 1;
>>>>> #X connect 16 0 19 0;
>>>>> #X connect 16 1 12 0;
>>>>> #X connect 17 0 26 0;
>>>>> #X connect 18 0 14 0;
>>>>> #X connect 21 0 23 0;
>>>>> #X connect 22 0 20 0;
>>>>> #X connect 22 1 19 0;
>>>>> #X connect 26 0 27 0;
>>>>> #X connect 27 0 16 0;
>>>>> #X restore 110 264 pd \$0-nrpnin_guts;
>>>>> #X text 18 95 Notes: Parameter 0 will make the object omni. This 
>>>>> has
>>>>> to do with Pd defaulting absent arguments to 0 Sorry!;
>>>>> #X text 17 71 Arguments: NRPN parameter \, MIDI channel - just like
>>>>> [ctlin];
>>>>> #X obj 147 19 cnv 15 15 15 empty empty nrpnin 0 8 1 14 -262144 
>>>>> -99865
>>>>> 0;
>>>>> #X text 28 394 David McCallum \, 2004 - sintheta.org;
>>>>> #X connect 11 0 7 0;
>>>>> #X connect 11 1 8 0;
>>>>> #X connect 11 2 9 0;
>>>>> #N canvas 322 460 507 349 10;
>>>>> #X obj 178 12 cnv 15 15 15 empty empty nrpnout 0 8 1 14 -262144 
>>>>> -66577
>>>>> 0;
>>>>> #N canvas 0 0 745 436 1004-nrpnout_guts 0;
>>>>> #X obj 130 20 inlet;
>>>>> #X obj 80 150 mod 128;
>>>>> #X obj 155 150 div 128;
>>>>> #X obj 130 115 t f f;
>>>>> #X obj 216 20 inlet;
>>>>> #X obj 216 150 mod 128;
>>>>> #X obj 278 150 div 128;
>>>>> #X obj 216 115 t f f;
>>>>> #X obj 142 258 f;
>>>>> #X obj 203 258 f;
>>>>> #X obj 265 258 f;
>>>>> #X obj 80 178 t f b b b;
>>>>> #X obj 265 378 ctlout 99;
>>>>> #X obj 203 378 ctlout 98;
>>>>> #X obj 142 378 ctlout 6;
>>>>> #X obj 80 378 ctlout 38;
>>>>> #X obj 228 48 loadbang;
>>>>> #X obj 228 72 f \$1;
>>>>> #X obj 303 294 loadbang;
>>>>> #X obj 289 344 sel 0;
>>>>> #X obj 289 320 f \$2;
>>>>> #X obj 289 274 inlet;
>>>>> #X text 354 316 because absent arguments in Pd default to 0 I can't
>>>>> parse parameter 0 properly. So zero becomes omni. Yikes!;
>>>>> #X connect 0 0 3 0;
>>>>> #X connect 1 0 11 0;
>>>>> #X connect 2 0 8 1;
>>>>> #X connect 3 0 1 0;
>>>>> #X connect 3 1 2 0;
>>>>> #X connect 4 0 7 0;
>>>>> #X connect 5 0 9 1;
>>>>> #X connect 6 0 10 1;
>>>>> #X connect 7 0 5 0;
>>>>> #X connect 7 1 6 0;
>>>>> #X connect 8 0 14 0;
>>>>> #X connect 9 0 13 0;
>>>>> #X connect 10 0 12 0;
>>>>> #X connect 11 0 15 0;
>>>>> #X connect 11 1 8 0;
>>>>> #X connect 11 2 9 0;
>>>>> #X connect 11 3 10 0;
>>>>> #X connect 16 0 17 0;
>>>>> #X connect 17 0 7 0;
>>>>> #X connect 18 0 20 0;
>>>>> #X connect 19 1 12 2;
>>>>> #X connect 19 1 13 2;
>>>>> #X connect 19 1 14 2;
>>>>> #X connect 19 1 15 2;
>>>>> #X connect 20 0 19 0;
>>>>> #X connect 21 0 20 0;
>>>>> #X restore 141 246 pd \$0-nrpnout_guts;
>>>>> #X obj 141 170 inlet;
>>>>> #X obj 201 197 inlet;
>>>>> #X obj 262 224 inlet;
>>>>> #X text 190 165 value;
>>>>> #X text 299 224 channel;
>>>>> #X text 242 194 parameter;
>>>>> #X text 51 68 Arguments: NRPN parameter \, MIDI channel - just like
>>>>> [ctlout];
>>>>> #X text 49 97 Notes: funny stuff with parameter 0 Has to do with Pd
>>>>> defaulting absent arguments to 0 Just avoid 0;
>>>>> #X text 87 306 David McCallum \, 2004 - sintheta.org;
>>>>> #X connect 2 0 1 0;
>>>>> #X connect 3 0 1 1;
>>>>> #X connect 4 0 1 2;
>>>>
>>>>
>>>>
>>>>
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