SMLlogger - Smart Message Language (SML)

read SML-data (OBIS) from Zweirichtungszähler eHZ-IW8E2Axxx

based on

• http://wiki.volkszaehler.org/hardware/channels/meters/power/edl-ehz/edl21-ehz
• http://wiki.volkszaehler.org/hardware/channels/meters/power/edl-ehz/emh-ehz-h1
• http://volkszaehler.org/pipermail/volkszaehler-users/2012-September/000451.html
• http://wiki.volkszaehler.org/software/sml
• http://www.mscons.net/obis_kennzahlen.pdf
• https://www.mikrocontroller.net/attachment/89888/Q3Dx_D0_Spezifikation_v11.pdf
• https://eclipse.org/paho/clients/python/

requirements:

    sudo apt-get install python-dev python-pip python-serial python3-serial 
    sudo pip install RPi.GPIO
    sudo pip install paho-mqtt

Data is read via USB using a http://wiki.volkszaehler.org/hardware/controllers/ir-schreib-lesekopf

For details, please see: volkszaehler.org

Length of stream in my case is 792 chars

1b1b1b1b
01010101
76
  07000b06d8119a
  6200
  6200
  72
    630101
    76
      01
      01
      07000b025c05de
      0b0901454d4800004735c7
      01
      01
      63a74e
 00
 76
   07000b06d8119b
   6200
   6200
   72
     630701
     77
       01
       0b0901454d4800004735c7               serverID
       070100620affff                       <<--??????
       72
         6201
         65025cd8f87a
       77
         078181c78203ff                     objName 129-129:199.130.3*255   Herstelleridentifikation
         01
         01
         01
         01          
         04454d48                           value
         01
       77
         070100000009ff                     objName 1-0:0.0.9*255   Geräteidentifikation
         01
         01
         01
         01
         0b0901454d4800004735c7             serverID
         01
       77
         070100010800ff                     objName 1-0:1.8.0*255   Wirkarbeit Bezug total
         64010182                           status = unsigned 16
         01
         621e                               unit (unsigned8) 1E = Wh
         52ff                               scaler (int8) -1 = *10^-1 = /10
         56000308cff7                       value (kWh)
         01
       77
     070100020800ff                     objName 1-0:2.8.0*255   
     64010182                           status = unsigned 16
     01
     621e                               unit (unsigned8) 1E = Wh
     52ff                               scaler (int8) -1 = *10^-1 = /10
     5600015fc145                       value (kWh)
     01
   77
     070100010801ff                     objName 1-0:1.8.1*255   Wirkarbeit Bezug Tarif 1
     01
     01
     621e                               unit (unsigned8) 1E = Wh
     52ff                               scaler (int8) -1 = *10^-1 = /10
     56000308cff7                       value (kWh)
     01
   77
     070100020801ff                     objName 1-0:2.8.1*255   
     01
     01
     621e                               unit (unsigned8) 1E = Wh
     52ff                               scaler (int8) -1 = *10^-1 = /10
     5600015fc145                       value (kWh)
     01
   77
     070100010802ff                     objName 1-0:1.8.2*255   
     01
     01
     621e                               unit (unsigned8) 1E = Wh
     52ff                               scaler (int8) -1 = *10^-1 = /10
     560000000000                       value 0
     01
   77 
     070100020802ff                     objName 1-0:2.8.2*255   
     01
     01
     621e                               unit (unsigned8) 1E = Wh
     52ff                               scaler (int8) -1 = *10^-1 = /10
     560000000000                       value 0
     01
   77
     070100100700ff                     objName 1-0:16.7.0*255
     01
     01
     621b                               unit (unsigned8) 1b = W
     52ff                               scaler (int8) -1 = *10^-1 = /10
     5500000b94                         value (W)
     01
   77
     078181c78205ff                     objName 129-129:199.130.5*255   Public Key des Zählers
     01
     72620165025cd8f8                   value ?
     01
     01
     8302841ead39cbefc83a615721f4639f94b453d6793c0f28883a1a2291deb9b7905b9af9e8bcc3955444cdb68d7078d1351b
     01
   01
 01      
   6323d4
 00
 76
   07000b06d8119e
   6200
   6200
   72
     630201
     71 
       01
   635271
 00
 00
 1b1b1b1b
 1a01684c