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require "rmodbus"
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require "ccutrer-serialport"
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controller_id = ARGV[0]&.to_i
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value = ARGV[1]&.to_i
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ModBus::RTUClient.new("/dev/ttyUSB0", 9600) do |cl|
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cl.with_slave(controller_id) do |slave|
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regs = slave.holding_registers
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regs[22] = value
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sleep 0.1
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end
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end
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