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Date: Thu, 24 Jan 2013 21:44:47 +1100
Subject: Re: Python to send Midi commands to iPad via USB
From: Chris Angelico <rosuav@gmail.com>
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Xref: csiph.com comp.lang.python:37554

On Thu, Jan 24, 2013 at 9:31 PM,  <mikprog@gmail.com> wrote:
> What I have to do is to write a Python application that will send MIDI commands to an iPad application.
> All I know is that the iPad application can be connected to an external Midi deck through a usb cable and be controlled.
> So I think I would connect the iPad via USB to my computer and... try to send midi commands.

Are you able to hook into ALSA? I've had reasonable success driving a
USB-MIDI cable using ALSA. See if you can do it with the inbuilt
'pmidi' app first:

$ pmidi -p 128:0 No.19.mid

(that uses port 128:0 which is a TiMidity-provided one)

If that works, you can then look for Python ALSA bindings, which I
believe are available on PyPI.

My example is from Linux, so you may need to tweak things on other OSes.

ChrisA