[PD] Comport can't read serial devices when soundcard is plugged in
Martin Peach
martin.peach at sympatico.ca
Sun Jul 10 18:27:19 CEST 2011
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
>
>
>
>
>
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