25 lines
719 B
Ruby
Executable file
25 lines
719 B
Ruby
Executable file
#!/usr/bin/env ruby
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require 'rubygems'
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require 'serialport'
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# If the main monitor is off, the Arduino is also off because it is connected to
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# the USB hub inside the monitor. So, if the main monitor is off, the user can't
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# control the lights any more and the LED stripes are off too.
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abort unless File.exists?('/dev/ttyUSB0')
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# Create the serial connection and send the given command.
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SerialPort.open('/dev/ttyUSB0', 9600, 8, 1, SerialPort::NONE) do |s|
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command = ARGV.join(' ')
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if command == 'on' or command == 'off'
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puts 'all ' + command + '...'
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['a', 'b', 'c', 'd'].each do |port|
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s.puts(command + ' ' + port)
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end
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s.puts('led ' + command)
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else
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s.puts(ARGV.join(' '))
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end
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end
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