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

[Pierre Massat]

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>

> 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>
>
>> 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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