35 lines
915 B
Plaintext
35 lines
915 B
Plaintext
# Pure GPIO
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Here we'll demonstrate an example of controlling a digital pin using a pure GPIO
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interface.
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First, we need to require the `digital-pin` class inside of Cylon:
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require '../../dist/digital-pin'
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Then we'll instantiate a new instance of it, with write permissions and using
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pin 4.
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pin4 = new Cylon.IO.DigitalPin(pin: 4, mode: 'w')
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Once the pin's been opened, we'll write to the console to indicate so:
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pin4.on 'open', (data) ->
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console.log "Pin files have been created"
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And on the 'digitalWrite' event for the pin, we'll log the value that's been
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written:
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pin4.on 'digitalWrite', (value) ->
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console.log "Value written to pin: #{value}"
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When the pin's been connected, we'll set it to high (1)
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pin4.on 'connect', (data) ->
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console.log "Pin mode has been setup!"
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pin4.setHigh()
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And with all our events defined, we'll connect the pin:
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pin4.connect()
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