106 lines
4.0 KiB
Ruby
106 lines
4.0 KiB
Ruby
require "socket"
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class InSyncState < StatePattern::State
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END_OF_FRAME = "!****\n"
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# def initialize(stateful, previous_state)
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# # open socket to EmonHub
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# @hub = TCPSocket.new 'raspberrypi.lan', 5050
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# @hub.setsockopt(Socket::SOL_SOCKET, Socket::SO_KEEPALIVE, true)
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# super(stateful, previous_state)
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# end
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def handle_byte_stream(bytes)
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idx = 0
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#sync_pattern_length = Synchronizer::SYNC_PATTERN.length
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sync_pattern_length = END_OF_FRAME.length
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#p "Sync length: #{sync_length}"
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frame = ""
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while (idx+sync_pattern_length < bytes.length && !new_frame_starts(bytes,idx,sync_pattern_length)) do
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frame = frame + bytes[idx]
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idx = idx +1
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end
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# did we reach the end of the frame?
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if new_frame_starts(bytes,idx,sync_pattern_length)
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frame_lines = frame.split("\n")
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puts "--- FRAME ---"
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# p frame_lines
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# p "##################"
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reading = handle_frame(frame_lines)
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p reading
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return bytes[idx+sync_pattern_length..-1] || ""
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else
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return bytes
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end
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end
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private
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def new_frame_starts(bytes,idx,sync_pattern_length)
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#return bytes[idx..idx+sync_pattern_length-1].eql?(Synchronizer::SYNC_PATTERN)
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#return bytes[idx..idx+sync_pattern_length-1].eql?(END_OF_FRAME)
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return bytes[idx].eql?(END_OF_FRAME[0])
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end
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def handle_frame(frame_lines)
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# prepare DB record
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last_reading = Reading.last
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reading = Reading.new
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frame_lines.each {| line|
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if line.match(/1-0:1.8.1/) # Verbruik hoog tarief
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reading.total_kwh_consumed_high = line.split(/1-0:1.8.1\(|\*kWh\)/).join.to_f
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# p "Total kwh consumed (high): #{total_kwh_consumed_high}."
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end
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if line.match(/1-0:1.8.2/) # Verbruik laag tarief
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reading.total_kwh_consumed_low = line.split(/1-0:1.8.2\(|\*kWh\)/).join.to_f
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# p "Total kwh consumed (low): #{total_kwh_consumed_low}."
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end
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if line.match(/1-0:2.8.1/) # Teruglevering hoog tarief
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reading.total_kwh_produced_high = line.split(/1-0:2.8.1\(|\*kWh\)/).join.to_f
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# p "Total kwh produced (high): #{total_kwh_produced_high}."
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end
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if line.match(/1-0:2.8.2/) # Teruglevering laag tarief
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reading.total_kwh_produced_low = line.split(/1-0:2.8.2\(|\*kWh\)/).join.to_f
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# p "Total kwh produced (low): #{total_kwh_produced_low}."
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end
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if line.match(/1-0:1.7.0/) # Actueel verbruik
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reading.current_kw_consumed = line.split(/1-0:1.7.0\(|\*kW\)/).join.to_f
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#p "Current kW consumed: #{current_kw_consumed}."
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end
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if line.match(/1-0:2.7.0/) # Actueel terug
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reading.current_kw_produced = line.split(/1-0:2.7.0\(|\*kW\)/).join.to_f
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end
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if line.match(/0-0:96.14.0/) # Hoog/laag tarief
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reading.high_tarif = line.split(/0-0:96.14.0\(|\)/).join.eql?("0002")
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end
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# example line: "0-1:24.2.1(250717121000S)(00000.474*m3)"
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if match = line.match(/^(0-1:24.2.1)\(([^)]+)\)\(([\d.]+)\*m3\)$/) # Gas verbruik (1x per uur een nieuwe stand)
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#p "Gas reading: #{match[1]} (#{match[2]})"
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#datetime = DateTime.strptime(match[2][0..11], "%y%m%d%H%M%S")
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#p "Gas reading at #{datetime}."
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reading.total_m3_gas_consumed = match[3].to_f
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end
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}
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if last_reading && last_reading.eql_reading?(reading)
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p "Nothing changed. Do not add to the database"
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else
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reading.save
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end
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# Post current_kw_consumed and current_kw_produced to MQTT
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MqttClient.publish("home/energy/current_kw_consumed", reading.current_kw_consumed.to_s)
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MqttClient.publish("home/energy/current_kw_produced", reading.current_kw_produced.to_s)
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# Result
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return reading
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end
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end
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