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node-red-moxa

Hacking hermetic home automation system to make it a valid part of IoT...

##Implementation progress:

  • Serial-to-Ethernet Module NE-4110S

    • TCP client mode
    • Real COM mode
    • telnet/ssh restart command
    • event trapping and notifications
    • trap SNMP receiver
  • communication / system

    • packets decoder
    • packets encoder
    • device registration
    • errors and unknown devices handling
  • additional features

    • mqtt forwarding
    • redis as device state storage
    • Digital IO
    • moxa telnet/ssh settings
    • auth
  • drivers

    • NPort TTY driver update for kernel 3.11

##What we know now:

Packet structure

Haddr

SERIAL_ID-DESTINATION-DEVICE_ID

incoming:

<;DEVICE_ID;VALUE;DESTINATION;0;SEQUENCE_NUMBER;PACKET_TYPE;CRC_FLAG;>\r\n

outgoing:

<;DEVICE_ID;VALUE;0;DESTINATION;SEQUENCE_NUMBER;PACKET_TYPE;CRC_FLAG;>\r\n
  • DEVICE_ID & DESTINATION - translated as {DEVICE_ID}-{DESTINATION} string and forwarded to serial gateway
  • PACKET_TYPE - can be a (answer) or s (set)
  • SEQUENCE_NUMBER - taken from answer packets and incremented by 1, max 1024
  • CRC_FLAG - crc81wire based on all values joined together

Known serial numbers

002J6, 002JE, 002H9, 002H3, 002JH, 002Ie

##Devices ###Serial-to-Ethernet Module NE-4110S

http://www.moxa.com/product/NE-4110S.htm

NPort Fixed TTY Driver for Unix

http://www.moxa.com/support/download.aspx?type=support&id=880

NPort Even More Fixed TTY Driver for Unix (my fixes for kernel 3.11)

https://github.com/Baael/node-red-moxa/tree/master/tty_driver

Additional links:

http://www.moxa.ru/forum/index.php?/topic/1732-%D0%BF%D1%80%D0%BE%D1%88%D1%83-%D0%BF%D0%BE%D0%BC%D0%BE%D1%87%D1%8C-%D1%81%D0%BE-%D1%81%D0%B1%D0%BE%D1%80%D0%BA%D0%BE%D0%B9-linux-%D0%B4%D1%80%D0%B0%D0%B9%D0%B2%D0%B5%D1%80%D0%B0-%D0%B4%D0%BB%D1%8F-nport-5150/

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