UDP packet format

Eight byte packet, send from/to UDP port 88 (by default) between some remote devices

Net-ID

From device

To device

:

data1

data2

data3

;

• Net-ID - sign up to 256 devices - one byte id signature, consisting of two parts
• ID - four LOW bits set from hardware BCD switch
• Prefix - four HIGH bits set from Command line interface (serial terminal)

• FROM/TO device signature
• s - IP Switch
• m - Manual IP switch MK2
• r - Band decoder MK2
• o - Open interface III
• p - IP stepper motor
• g - ODROID-GO

• : - colon separator

• data1-3 - three data byte
• bro (global) broadcast packet
• if To device = m, data3 send number of encoder outputs available (preset from CLI)
• cfm (global) confirming direct packet after receive broadcast packet
• if To device = m, data3 send number of encoder outputs available (preset from CLI)
• IP Switch
• data1 - setting/confirming eight single outputs/buttons
• data2-3 - setting/confirming one from up to sixteen outputs/encoder

• ; - semicolon terminator