LINKTYPE_FIRA_UCI

The protocol description is available to members only on the FiRa consortium website: FiRa Consortium UWB Command Interface Generic Technical Specification.

Packet format

+---------------------------+
|        Packet header      |
|         (2 Octets)        |
+---------------------------+
|            RFU            |
|         (1 Octet)         |
+---------------------------+
|       Payload Length      |
|         (1 Octet)         |
+---------------------------+
|          Payload          |
.                           .
.                           .
.                           .

Description

Unless otherwise indicated, the byte ordering for UCI packets is little-endian. The packet header contains the following fields, listed from most significant to least significant bits:

Message Type (MT), 3 Bits
- 0b000 RFU
- 0b001 Command message
- 0b010 Response message
- 0b011 Notification message
- 0b100 - 0b111 RFU
Packet Boundary Flag (PBF), 1 Bit
- 0b0 The packet contains a complete message, or the packet contains the last segment of a segmented message
- 0b1 The packet contains a segment that is not the last segment of a segmented message
Group Identifier (GID), 4 Bits
- 0b0000 Core group
- 0b0001 Session Config group
- 0b0010 Ranging Session Control group
- 0b0011 Data Control group
- 0b1001 - 0b1100Vendor Specific group
- 0b1101 Test group
- 0b1110 - 0b1111Vendor Specific group
RFU, 2 Bits
Opcode Identifier (OID), 6 Bits