Re: [LAD] [LAU] Ardour MIDI tracer

On August 15, 2014 05:24:51 PM Len Ovens wrote: Correct. Pitch bend is the only truly 14-bit encapsulated message. There is also one more, real time Song Position Pointer (F2, LSB, MSB). I think it is 12-bit though. One can use the pitch wheel for something other than pitch. It is per-channel. You can have up to 16 14-bit pitch wheels (or knobs/sliders/etc), per interface, each routed to whatever you want. You would just have to reserve some channels, or even a whole interface. Yay Mackie! And others doing this. But do I wish MIDI had included at least one /more/ encapsulated 14-bit message per channel. I think you are referring to what I will call "14-bit aggregate 7-bit controllers", as opposed to "14-bit (N)RPN controllers". In my searches for products/software that use them I have seen a few. Good to plan for it anyway. I think ALSA can use it too - I think it is one of the event types. Wow, so they just ate up 16,384 available 7-bit NRPN controllers. That's an entire interface full. Any 14-bit controllers at all on these AH models? If so, do they have detailed info on exactly how it is sent, and options? If not, do you have a way of reading what comes out of them (and when)? NOT with ALSA sequencer or any of the 'snooper' apps I've seen. It must be either a true UART HW project or a low-level API for reading the MIDI data. Does anyone out there know of a *true* sniffer application that handles all 7-bit and 14-bit controller types and displays them conveniently and correctly? These are 14-bit NRPN controllers. I think Jack does not care. It simply passes on whatever bytes it receives. This is a blessing for me actually. I have to make my own encoder/decoder (this converts raw 7-bit midi to/from MusE controllers) but at least *I* control what goes on inside there. (I'd like to take this opportunity for a bit of an update): It's been a year since I reported how I was attempting to finish adding true, full 14-bit midi controller support to MusE (that's 7-bit controllers, 14-bit aggregate 7-bit controllers, 7 bit RPN and NRPN controllers, and 14-bit RPN and NRPN controllers). I said I found that ALSA sequencer API doesn't handle 7-bit RPN. And wouldn'tcha know it, my keyboard sends only 7-bit. As I say, it means I have to make my own encoder/decoder. I think possibly the ALSA RAW API is what I want. But MusE uses the ALSA sequencer API, big job to switch to RAW. Fortunately MusE also uses Jack Midi. I said that I /could/ have taken Jack's raw midi data and fed it to/from an ALSA encoder/decoder - but again, no 7-bit RPN. So it's /all/ home-brew for me! Workin' on C++ classes all these months. My efforts are moving along, but slowly. I'm trying to make it a library 'cause it seems useful for other apps, but right now some of it very specific to MusE. Trust me, robust controller support needs some fairly 'acrobatic' code, and user options concerning formatting. Example: I read where one company manufactured a whole line of small embedded midi board products. Only to have a user point out that they didn't do 7-bit RPN conventionally (they used the LOWER 7 bits of data), but the company owner said there was nothing he could do until next designs and he actually argued vigorously that his way was correct (well, he is right but the almost universal convention is the other way - the UPPER 7 bits). See what I mean? I scoured the 'net for product docs and found wide variations in implementations, even though they are all 'correct'. Cheers. Greetings Len. Tim.