which pin now you are using...... On Tuesday, April 14, 2015 at 8:10:13 PM UTC+5:30, Erkan Güzeler wrote: > > Hi everyone, > I'm using BBxM Rev C2 board and trying to read GPIO_159 that is in > expansion header. I successfully used it as output(Turn On LED and TURN OFF > LED). But I can't read anything on this port. > > I used this steps; > > cd /sys/class/gpio/ > echo 159 > export > cd /sys/class/gpio/gpio159 > echo "in" > direction > cat value // this always response me "0" zero. > > I'm normally using pull up button so that it has high level when it's > not pressed. But I always take "0" value when I write "cat value" command > on terminal. > > Has anybody idea? > > Best Regards. > > >
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