Did you compare the schematic of the two boards? There are two pins on the
BBB that have a second optional pin connected to it. You need to make sure
you take care of the one you are not using as well.

Gerald


On Tue, Oct 21, 2014 at 2:54 PM, sixvolts <[email protected]> wrote:

> We've configured the pin as an input after the device boots. Even with
> with just a jumper wire between the two pins, an output and an input, the
> behavior on the black and white is different. Here's how we set it up:
> sudo sh -c 'echo "60" > /sys/class/gpio/export'
> sudo sh -c 'echo "117" > /sys/class/gpio/export'
> sudo sh -c 'echo "in" > /sys/class/gpio/gpio60/direction'
> sudo sh -c 'echo "in" > /sys/class/gpio/gpio117/direction'
> sudo sh -c 'echo "falling" > /sys/class/gpio/gpio60/edge'
> sudo sh -c 'echo "falling" > /sys/class/gpio/gpio117/edge'
>
>
>
> On Tuesday, October 21, 2014 2:16:48 PM UTC-5, Gerald wrote:
>>
>> You will want to check and see if the pin is being used is defaulted as
>> an output, Some pins are outputs by default and others are inputs., If you
>> start driving it before it is set to an input by SW, then that could cause
>> issues. Check the datasheet for the AM3358.
>>
>> Gerald
>>
>>
>> On Tue, Oct 21, 2014 at 2:00 PM, sixvolts <[email protected]> wrote:
>>
>>>
>>>
>>> On Tuesday, October 21, 2014 1:52:30 PM UTC-5, Gerald wrote:
>>>>
>>>> Are you doing this part correctly?
>>>>
>>>> http://www.elinux.org/Beagleboard:BeagleBoneBlack#Expansion_
>>>> Header_Usage
>>>>
>>>> Gerald
>>>>
>>>>
>>> To the best of my knowledge, yes. We're using all kinds of pins and
>>> other parts of the board without issues.
>>>
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