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Date: Tue, 7 Jul 2015 14:12:38 -0700 (PDT)
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Subject: Re: Arduino Due vs Mac
From: "Jedi Tek'Unum" <jeditekunum@gmail.com>
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Xref: news.eternal-september.org comp.lang.ada:26691
Date: 2015-07-07T14:12:38-07:00
List-Id: <comp.lang.ada>

On Tuesday, July 7, 2015 at 10:31:52 AM UTC-5, Simon Wright wrote:
> "Jedi Tek'Unum" writes:
> 
> > On Mac, device names ending in something like usbmodemfd131 are from
> > the Apple driver and the hex ending is related to the physical port
> > number. My experience has been that the Apple drivers, for FTDI at
> > least, are buggy. I always replace it with the driver from FTDI which
> > has always cleared up flaky problems for me. The driver from FTDI
> > names the device with the serial number of the adapter.
> 
> Giving it a try - I expect I need to reboot, cos the same old
> /dev/cu.usbmodem1411 shows up.

Reboot is easiest (can unload/load).

I think it is also necessary to disable the Apple driver. On Yosemite I go into /System/Library/Extensions/IOUSBFamily.kext/Contents/PlugIns and rename AppleUSBFTDI.kext directory to something else (I called mine AppleUSBFTDI.kext.disabled).