= White Rabbit Endpoint State Registers v1.0 =

 * [[SDB Device ID]] 0xe5ea34bf (old ID 0x6dbf32d6)

== Register Map ==

address space 0x00 - 0x1F

Reg 0x00, WR interface state, RO
 . [0] - SFP transceiver Ok
 . [1] - Ethernet link up
 . [2] - WR time synchronized
 . [15:3] - reserved

Reg 0x01 - reserved

Reg 0x02, Uptime in seconds, RO, 32-bit

Reg 0x04, current WR TAI timestamp, RO, 64-bit

64-bit timestamp format:
 . [63:32] - seconds since Epoch
 . [31:2] - nanoseconds
 . [1:0] - flags: 2 - time valid, others - time invalid

Reg 0x08, Number of Link Loss events, RO, 32-bit

Reg 0x0A, Number of Sync Loss events, RO, 32-bit

Reg 0x0C, Number of RX Code Error events, RO, 32-bit

Reg 0x0E, Number of Other Error events, RO, 32-bit

Reg 0x10, timestamp 1, RO, 64-bit

Reg 0x14, timestamp 2, RO, 64-bit

Reg 0x18, timestamp 3, RO, 64-bit

Reg 0x1C, timestamp 4, RO, 64-bit

== Timestamp decode ==

{{{
wrTAISeconds = wrTimecode >> 32;
wrTAINanoseconds = (wrTimecode >> 2) & 0x3FFFFFFF;
}}}

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[[CategoryWhiteRabbit|WhiteRabbit]] [[CategorySDB|SDB]]