The dev/tty.usbmodem1a21 does not show up in the list using the SerialTest.rev
stack.
It does show up in the Arduino software Serial list. Also in the Arduino you
have to use the tty.usbmodem1a21. Also when you plug the Arduino in the Mac
detects a new modem and asks to set it up in Internet preferences pane. hit
apply and then it shows up in Arduino.
When i use marks make board software the /dev/cu.usbmodem1a21 does show up or
at least when I took out just that part of his code that searches the drivers.
put OSXDeviceNames() into tFiles
filter tFiles WITH "/dev/cu.usbmodem*"
Sorta stuck now figuring this out.
-- Tom McGrath III
http://lazyriver.on-rev.com
3mcgr...@comcast.net
On Jan 16, 2011, at 6:19 PM, Sarah Reichelt wrote:
> On Sun, Jan 16, 2011 at 2:18 AM, Thomas McGrath III <mcgra...@mac.com> wrote:
>>
>> I am having trouble accessing an Arduino Uno attached to my computer via USB.
>>
>> The device driver shows up as "/dev/tty.usbmodem1a21"
>>
>> I tried a simple open driver then read from driver then close driver. But
>> Livecode keeps crashing or worse my computer panics and dies.
>>
> When you get the driverNames, you should get a list of lines with
> three comma-separated items per line. Here is a sample of what I get
> with a KeySpan USB-serial adapter connected:
>
> KeySerial1,/dev/tty.KeySerial1,/dev/cu.KeySerial1
> USA28X1a2P1.1,/dev/tty.USA28X1a2P1.1,/dev/cu.USA28X1a2P1.1
> USA28X1a2P2.2,/dev/tty.USA28X1a2P2.2,/dev/cu.USA28X1a2P2.2
> Bluetooth-PDA-Sync,/dev/tty.Bluetooth-PDA-Sync,/dev/cu.Bluetooth-PDA-Sync
>
> The one you need to use to connect is the 3rd item i.e. the one
> starting with /dev/cu. instead of /dev/tty.
>
> While LiveCode cannot communicate directly with a USB port, it appears
> that the Arduino is providing a serial port, so this should work fine.
>
> On my web site, there is a serial test stack
> <http://www.troz.net/rev/stacks/SerialTest.rev> that might help you
> diagnose the connection issues.
>
> Cheers,
> Sarah
>
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