[PD] PortMidi 'Invalid Device ID'

Dustin Rose thedustinrose at gmail.com
Wed May 11 21:30:47 CEST 2016

I have been having this issue (maybe non-issue) for some time.

Here is my set up:
Teensy 2.0 MIDI Device
Pd 0.46.7
Late 2013 Macbook Pro

I am using a Teensy MIDI device in Pd.
If I connect the Teensy device, then launch Pd, I get the following error
​ in Pd's print window​

could not open midi input 0 (Teensy MIDI): PortMidi: 'Invalid device ID'
could not open midi output 1 (Teensy MIDI): PortMidi: 'Invalid device ID'

Under my MIDI settings I have "Teensy MIDI" selected both as my input and
If I re-select "Teensy MIDI" in both dialogs of the MIDI preferences menu,
and hit OK the same error message will reappear in Pd's print window.
​If I select "none" for both input and output I do not get any error

Though I get this error, it seems to not effect the use of the device in
any way.
When I connect the device to a windows machine, I don't have this PortMidi
error message.
I have also connected this device to my iPhone using MobMuPlat, no issues.

Any advice would be helpful.

​Thank You,
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.puredata.info/pipermail/pd-list/attachments/20160511/473e8d26/attachment-0001.html>

More information about the Pd-list mailing list