[PD] Comport can't read serial devices when soundcard is plugged in

[Martin Peach]

Well I'm interested, where did you post it to?

Martin

On 2011-07-10 04:17, Pierre Massat wrote:
> FIXED!!!
>
> Please read my new post "Got Arduino UNO to work in Linux (Ubuntu)" if
> you need the fix.
>
> Pierre
>
> 2011/7/9 Pierre Massat <pimassat at gmail.com <mailto:pimassat at gmail.com>>
>
>     http://arduino.cc/blog/2011/02/15/fix-to-uno-and-mega-2560-linux-serial-problems/
>
>     I'll try this tomorrow, and i'll let you know if it works.
>
>     Pierre
>
>
>     2011/7/9 Pierre Massat <pimassat at gmail.com <mailto:pimassat at gmail.com>>
>
>         I m pretty sure it's not related to the hardware, as it works
>         perfectly fine in windows. I believe it has to do with the
>         firmware.
>
>
>         2011/7/9 Martin Peach <martin.peach at sympatico.ca
>         <mailto:martin.peach at sympatico.ca>>
>
>             If you are plugging and unplugging the arduino it's possible
>             the OS doesn't detect it properly. I know there were issues
>             with the FTDI driver not reporting when the device had been
>             removed, that caused Pd to hang.
>             As long as your resistors are more than about 1 kOhm it
>             should be OK.
>             If you write ones to the input pins they will have internal
>             pullup resistors enabled, so a switch that connects the pin
>             to ground when it's on will work.
>             And the pots should be wired like this:
>
>             5V
>             \
>             /
>             \<----Pin
>             /
>             \
>             GND
>
>             Anyway you say it works once it connects, so it's probably
>             not the hardware, except possibly the cable/connectors.
>
>             Martin
>
>
>             On 2011-07-09 12:00, Pierre Massat wrote:
>
>                 It's a laptop.
>                 I don't get random dropouts once it's connected (I used
>                 it for 2 ours in
>                 Pd and it worked fine all the time), but it just doesn't
>                 appear (either
>                 in the Serial port menu of the IDE, or in the device
>                 list that comport
>                 outputs) randomly. Do you think that this could still be
>                 caused by
>                 something sucking up too much current? There's nothing
>                 special connected
>                 to the board : 2 pots, and 8 buttons (wired so that
>                 their rest position
>                 is High).
>
>                 Pierre
>
>
>
>
>