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

[Pierre Massat]

On pd-list this morning...?

Pierre

2011/7/10 Martin Peach <martin.peach at sympatico.ca>

> 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/<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@**sympatico.ca <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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