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class:: DigitalIO
summary:: Read or write data to a digital pin
related:: Classes/AnalogIn, Classes/AnalogOut, Classes/DigitalIn, Classes/DigitalOut
categories:: UGens>Bela
Description::
Reads or writes digital data from or to a digital pin.
The pin number of this UGen can be modulated, as well as its I/O mode, which allows to tri-state the pin.
note::
This UGen only works on Bela.
::
note::
If you do not need to change the pin mode or the pin, you should use the UGen link::Classes/DigitalIn:: or link::Classes/DigitalOut::
::
classmethods::
method::ar
The output of this UGen is always the last value read when the digital pin was an input.
argument::digitalPin
Digital pin number to write to. Pin numbers begin at 0. This value can be modulated at audiorate.
argument::output
Value to write out to the pin - the value will be 1 when the argument is larger than 0, otherwise 0. This value can be modulated at audio rate.
argument::pinMode
Value to write out to the pin - the pin will be an input when the argument is smaller than 0.5, otherwise an output. This value can be modulated at audiorate.
argument::mul
argument::add
method::kr
The output of this UGen is always the last value read when the digital pin was an input.
argument::digitalPin
Digital pin number to write to. Pin numbers begin at 0.
argument::output
Value to write out to the pin - the value will be 1 when the argument is larger than 0, otherwise 0.
argument::pinMode
Value to write out to the pin - the pin will be an input when the argument is smaller than 0.5, otherwise an output.
argument::mul
argument::add
Examples::
code::
// write a sine oscillator's output to a pin, and read the pin value at other times
(
SynthDef("help-DigitalIO",{ arg out=0;
DigitalIO.ar( 0, SinOsc.ar( 10 ),LFPulse.kr( 0.1 ) ).poll;
}).play;
)
::
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