implement answers
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146ce311ee
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@ -4,6 +4,9 @@
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require 'serialport'
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require './telegram'
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# print debug info
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DEBUG = true
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# connect to PC
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pc_serial = SerialPort.open("/dev/ttyUSB0",{ baud: 57600, databits: 8, parity: SerialPort::ODD, stop_bit: 1, flow_control: SerialPort::NONE})
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# ensure serial settings (weird bug)
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@ -16,14 +19,31 @@ while true
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data = activity.readpartial(16+1+5)
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line = data.unpack("C*").collect { |b| sprintf("%02X ",b) }.join
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if activity==pc_serial then
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puts "> "+line
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puts "> "+line if DEBUG
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begin
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telegram = Telegram.parse(data)
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if telegram then
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puts "> "+telegram.to_s[2..-1]
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telegram_in = Telegram.parse(data)
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if telegram_in then
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puts "> "+telegram_in.to_s[2..-1]
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else
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raise "could not parse message"
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end
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telegram_out = case telegram_in.object
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when 0 # device type
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# Telegram.new(telegram_in.object,[0x50,0x53,0x20,0x32,0x30,0x38,0x34,0x2D,0x30,0x33,0x42,0x00])
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Telegram.new(telegram_in.object,"simulator".bytes.to_a+[0x00],false)
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when 1, 6, 9 # article no., serial no., software version
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Telegram.new(telegram_in.object,"42".bytes.to_a+[0x00],false)
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when 2,3,4 # nominal voltage, current, power
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Telegram.new(telegram_in.object,[42.0].pack("g").bytes.to_a,false)
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when 19 # device class
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Telegram.new(telegram_in.object,[0x00,0x10],false)
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else # error: object not defined
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Telegram.new(0xff,[0x07],false)
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end
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if telegram_out then
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puts "< "+telegram_out.to_s[2..-1] # display message
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pc_serial.write(telegram_out.pack) # send message
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end
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rescue Exception => e
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puts e.to_s
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end
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