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White Rabbit Standardization
Commit 916c4fd8 authored by Maciej Lipinski's avatar Maciej Lipinski
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wrspec: small changes

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src/fig/ptpFSM.ps
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src/wrspec.tex
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...@@ -227,7 +227,7 @@ the offset and the delay between the nodes exchanging the messages. \textit{Foll ...@@ -227,7 +227,7 @@ the offset and the delay between the nodes exchanging the messages. \textit{Foll
and \textit{Delay\_Resp Messages} are used to send timestamps between Master and \textit{Delay\_Resp Messages} are used to send timestamps between Master
and Slave (in the case of a two-step clock). and Slave (in the case of a two-step clock).
\textit{Management Messages} are used only for configuration and \textit{Signaling Messages} are used only for configuration and
administrative purposes. They are not essential for PTP synchronization. administrative purposes. They are not essential for PTP synchronization.
The flow of events in the PTP delay request-response (two-step clock) mechanism is the following The flow of events in the PTP delay request-response (two-step clock) mechanism is the following
...@@ -460,20 +460,20 @@ as depicted in Figure~\ref{fig:wrptpMSGs} and described below (simplified overvi ...@@ -460,20 +460,20 @@ as depicted in Figure~\ref{fig:wrptpMSGs} and described below (simplified overvi
\item The WR Master periodically sends WR Announce messages with a custom suffix. \item The WR Master periodically sends WR Announce messages with a custom suffix.
\item The WR Slave receives several Announce message(s), recognizes the WR Announce message and uses \item The WR Slave receives several Announce message(s), recognizes the WR Announce message and uses
the modified BMC algorithm to establish its place in the WR network hierarchy. the modified BMC algorithm to establish its place in the WR network hierarchy.
\item The WR Slave starts the WR Link Setup by sending the SLAVE\_PRESENT WR Management message. \item The WR Slave starts the WR Link Setup by sending the SLAVE\_PRESENT WR Signaling message.
\item The WR Master sends the LOCK WR Management message to request the WR Slave to start \item The WR Master sends the LOCK WR Signaling message to request the WR Slave to start
syntonization. syntonization.
\item The WR Slave sends the LOCKED WR Management message as soon as the syntonization process is \item The WR Slave sends the LOCKED WR Signaling message as soon as the syntonization process is
finished (notification from the hardware). finished (notification from the hardware).
\item The WR Master sends the CALIBRATE WR Management message to request calibration of its \item The WR Master sends the CALIBRATE WR Signaling message to request calibration of its
reception fixed delay. reception fixed delay.
\item The WR Master sends the CALIBRATED WR Management message as soon as the calibration is \item The WR Master sends the CALIBRATED WR Signaling message as soon as the calibration is
finished (notification from hardware). finished (notification from hardware).
\item The WR Slave sends the CALIBRATE WR Management message to request calibration of its \item The WR Slave sends the CALIBRATE WR Signaling message to request calibration of its
reception fixed delay. reception fixed delay.
\item The WR Slave sends the CALIBRATED WR Management message as soon as the calibration is \item The WR Slave sends the CALIBRATED WR Signaling message as soon as the calibration is
finished (notification from hardware). finished (notification from hardware).
\item The WR Master sends the WR\_MODE\_ON WR Management message to indicate completion of the WR \item The WR Master sends the WR\_MODE\_ON WR Signaling message to indicate completion of the WR
Link Setup process. Link Setup process.
\item The WR Master periodically sends a Sync message (timestamped on transmission, $t_1$) followed \item The WR Master periodically sends a Sync message (timestamped on transmission, $t_1$) followed
by a Follow\_UP message which carries $t_1$. by a Follow\_UP message which carries $t_1$.
...@@ -1228,26 +1228,26 @@ WR\_LINK\_ON & The value of \textit{wrMode} is set to TRUE and the \texti ...@@ -1228,26 +1228,26 @@ WR\_LINK\_ON & The value of \textit{wrMode} is set to TRUE and the \texti
\item[WR LINK SETUP REQUIRED DECISION] (abrv. D\_WR\_SETUP\_REQ) Event indicating that a WR \item[WR LINK SETUP REQUIRED DECISION] (abrv. D\_WR\_SETUP\_REQ) Event indicating that a WR
Link Setup is required and that the WR FSM should be executed starting at the Link Setup is required and that the WR FSM should be executed starting at the
\textit{PRESENT} state, see section~\ref{sec:wrSlaveFSMstart}. \textit{PRESENT} state, see section~\ref{sec:wrSlaveFSMstart}.
\item[LOCK MESSAGE] (abrv. M\_LOCK) WR $LOCK$ Management message \item[LOCK MESSAGE] (abrv. M\_LOCK) WR $LOCK$ Signaling message
which triggers frequency locking over the physical layer. which triggers frequency locking over the physical layer.
\item[LOCKED HARDWARE EVENT] (abrv. HW\_LOCKED) Indication from the hardware \item[LOCKED HARDWARE EVENT] (abrv. HW\_LOCKED) Indication from the hardware
that frequency locking has been completed successfully. that frequency locking has been completed successfully.
\item[LOCKED MESSAGE] (abrv. M\_LOCKED) WR $LOCKED$ Management \item[LOCKED MESSAGE] (abrv. M\_LOCKED) WR $LOCKED$ Signaling
message which notifies the WR Master that frequency locking has been completed message which notifies the WR Master that frequency locking has been completed
successfully by the WR Slave. successfully by the WR Slave.
\item[CALIBRATE MESSAGE] (abrv. M\_CALIBRATE) WR $CALIBRATE$ Management \item[CALIBRATE MESSAGE] (abrv. M\_CALIBRATE) WR $CALIBRATE$ Signaling
message. It requests the recipient to enter the message. It requests the recipient to enter the
\textit{RESP\_CALIB\_REQ} state, indicates whether sending of the calibration pattern is \textit{RESP\_CALIB\_REQ} state, indicates whether sending of the calibration pattern is
required and provides calibration parameters. required and provides calibration parameters.
\item[CALIBRATED HARDWARE EVENT] (abrv. HW\_CALIBRATE) Notification from the \item[CALIBRATED HARDWARE EVENT] (abrv. HW\_CALIBRATE) Notification from the
hardware indicating that calibration has been completed successfully. hardware indicating that calibration has been completed successfully.
\item[CALIBRATED MESSAGE] (abrv. M\_CALIBRATED) WR \text{CALIBRATED} \item[CALIBRATED MESSAGE] (abrv. M\_CALIBRATED) WR \text{CALIBRATED}
Management message. It indicates that the node is calibrated. If the \textit{CALIBRATED} Signaling message. It indicates that the node is calibrated. If the \textit{CALIBRATED}
message is received when the calibration pattern is being sent by the recipient, message is received when the calibration pattern is being sent by the recipient,
sending of the pattern shall be disabled. The message carries information about fixed delays sending of the pattern shall be disabled. The message carries information about fixed delays
of the sending node. of the sending node.
\item[WR MODE ON] (abrv. M\_WR\_MODE\_ON) WR \textit{WR\_MODE\_ON} \item[WR MODE ON] (abrv. M\_WR\_MODE\_ON) WR \textit{WR\_MODE\_ON}
Management message. It indicates that the WR Master finished successfully the WR Link Setup Signaling message. It indicates that the WR Master finished successfully the WR Link Setup
and set the \text{wrMode} flag to TRUE. It requests the WR Slave to set the \text{wrMode} flag and set the \text{wrMode} flag to TRUE. It requests the WR Slave to set the \text{wrMode} flag
to TRUE. to TRUE.
\item[RETRY $n_{name}$] The White Rabbit state \item[RETRY $n_{name}$] The White Rabbit state
...@@ -1447,7 +1447,7 @@ distributed across the link without preceding measurement. ...@@ -1447,7 +1447,7 @@ distributed across the link without preceding measurement.
\newpage \newpage
\section{Typical flow of WR Management message exchange} \section{Typical flow of WR Signaling message exchange}
\label{ap:wr_lsu_flow} \label{ap:wr_lsu_flow}
\begin{figure}[ht!] \begin{figure}[ht!]
\centering \centering
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