Re: [libreoffice-users] Reading from a USB device. Additional Realterm Info

The article below will probably help quite a bit setting up.

https://nerdclub-uk.blogspot.com/2017/04/messing-about-with-midi-and-realterm-vs.html

The parts on Realterm and MIDI starts about half way down the article.


On 8/28/2017 11:38 AM, Paul D. Mirowsky wrote:
> You may want to take a look at Realterm
>
> Realterm is an engineers terminal program specially designed for 
> capturing, controlling and debugging binary and other difficult data 
> streams. It is the best tool for debugging comms.
>
> Post-Processing capture file is just one of many things it can do.
>
> https://realterm.sourceforge.io/
>
> I have not used it to analyze MIDI, but if there's data, it will see it.
>
> Hope this helps.
>
> Paul
>
>
> On 8/27/2017 9:47 AM, Marion & Noel Lodge wrote:
> > I have a Studio Logic MIDI music keyboard which I have plugged into 
> > my PC
> > via a USB cable.  Windows has automatically installed the appropriate
> > driver/s.  I am attempting to read the MIDI input from the keyboard as I
> > want to see if I can use a Macro to modify the sound before it goes 
> > to the
> > speaker.   (Actually I want to try to programmatically mix sine waves 
> > like
> > a Hammond Organ does - it may not be possible, but I'd like to give it a
> > try!)
> >
> > I installed a trial version of Device Monitoring Studio,   see
> > https://www.hhdsoftware.com/device-monitoring-studio    which enables 
> > me to
> > trap the raw data from the keyboard, and I'm able to identify which keys
> > are pressed or released, and also the keyboard sliders' movements and
> > slider positions.  For my purposes, that is all I need to extract 
> > from the
> > MIDI stream.
> >
> > I then went on the Web to see if I could find examples of Macro code 
> > that
> > would enable my program to emulate what I had been able to do with 
> > Device
> > Monitoring Studio.  It turns out that USB coding is very complex and the
> > only examples I could find were in C, C++ or Visual Basic, none of 
> > which I
> > have, or have ever worked with.
> >
> > I then had a look at LibreOffice 5.3 SDK API.  I believe that is the API
> > that Base uses, and over several years I have developed a number of
> > databases using macros that make calls to the API. One API service I 
> > found
> > was,  com.sun.star.io.pipe,  which looks as though it might be what I 
> > need,
> > but I don't know if it would work with a USB port, and I could not 
> > find any
> > macro code examples that might point me in the right direction.
> >
> > So my questions are -
> > 1.  Does anyone know if it is possible to read from a USB port using a
> > LibreOffice macro utilising the API?  If so can you point me to some
> > example code (preferably in Basic)?
> > 2.  Failing that, is there a simple application on the market that 
> > can read
> > a USB MIDI stream into a buffer or file?  I think Device Monitoring 
> > Studio
> > can do that, but it is expensive and has far more features than I'll 
> > ever
> > need.
> >
> > Any help in this regard would be much appreciated
> >
> > Thanks,
> >
> > Noel
> > --
> > Noel Lodge
> > lodgemn@gmail.com


--
To unsubscribe e-mail to: users+unsubscribe@global.libreoffice.org
Problems? http://www.libreoffice.org/get-help/mailing-lists/how-to-unsubscribe/
Posting guidelines + more: http://wiki.documentfoundation.org/Netiquette
List archive: http://listarchives.libreoffice.org/global/users/
All messages sent to this list will be publicly archived and cannot be deleted