[PD] Forwarding serial data through an Arduino (with firmata) to a serial display
danomatika at gmail.com
Wed Jun 5 21:12:08 CEST 2013
As you're on Linux, the port number assignment is probably tagged to the specific usb bus port and ca change. You can have them assigned to the same serial port # each time if you create a little udev rule for both the arduino and the serial port adapter and specify what you want them to be or create a symlink to say /dev/ttyArduino & /dev/ttyLCD ...
See http://playground.arduino.cc/Linux/Udev & http://reactivated.net/writing_udev_rules.html
On Jun 5, 2013, at 2:57 PM, pd-list-request at iem.at wrote:
>> It is probably much simpler to use a separate USB to serial adapter.
>> Those work out of the box with Ubuntu and you only have to change the
>> serial port name in your patch.
> Yes, that works fine but it mixes up the port number of the arduino and the
> serial adapter. I can't get the two to be assigned to the same port number
> each time Pd starts. They both show up as /dev/ttyUSB0 or /dev/ttyUSB1 on
> the [comport].
> It also would be cleaner with less cables to have the arduino taking care of
> the serial data transfer. If I can't get that to work I'll have to use a
> serial adapter and find a good way to distinguish the two automatically.
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