User's Manual

13
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Messages
How to create a Message
The XT6372R custom message allows users to select what fields of data to be sent in a message when
triggered. A message can contain up to 40 data fields and you can have up to 128 different messages.
Refer to Appendix F - Message Field Table
When defining a Message use the following syntax:
pcr[<slot_index>] "<recipe_hex_string>"
• where:
o <slot_index> is in the range 0 - 127
o "<recipe_hex_string>" is a quoted string of hexadecimal bytes (represented by two ascii
characters) The Message Field Table in Appendix F contains the Hex values for the
individual fields that can be selected to create the Packet.
▪ String format: "<recipe_id><num_fields><field_0><field_1>...<field_N>"
EXAMPLES
• pcr[0] "0003010306"
o pcr slot 0 will contain a Recipe string with 3 fields: PacketID, DeviceID, and GpsSpeed
▪ recipe_hex_string -"000301030b"
▪ RecipeID 00 (Hex)
▪ Number of fields 03 (Hex)
▪ Field 0 is Packet ID 01 (Hex)
▪ Field 1 is DeviceID 03 (Hex)
▪ Field 2 is GpsSpeed 0b (Hex)
Notes:
o The device can store and use 128 pcr (messages)
• :wycfg pcr[0] …. :wycfg pcr[127]
• RecipeID is always in Hex.
• pcr[1] "14050103070809"
o pcr slot 1 will contain a Recipe string with 5 fields : PacketID, DeviceID, Latitude, Longitude,
and Altitude
▪ recipe_hex_string -"14050103070809"
• RecipeID 01
• Number of fields 05
• Field 0 is Packet ID 01
• Field 1 is DeviceID 03
• Field 2 is Latitude 07
• Field 3 is Longitude 08
• Field 4 is Altitude 09
:wycfg pcr[254] "fe0401031213"
o PCR slot 2 will contain a Recipe string with 4 fields: PacketID, DeviceID, Hdop, and NumSats