Skip to content
Projects
Groups
Snippets
Help
Loading...
Sign in
Toggle navigation
W
White Rabbit
Project
Project
Details
Activity
Cycle Analytics
Repository
Repository
Files
Commits
Branches
Tags
Contributors
Graph
Compare
Charts
Issues
5
Issues
5
List
Board
Labels
Milestones
Merge Requests
0
Merge Requests
0
Wiki
Wiki
image/svg+xml
Discourse
Discourse
Members
Members
Collapse sidebar
Close sidebar
Activity
Graph
Charts
Create a new issue
Commits
Issue Boards
Open sidebar
Projects
White Rabbit
Commits
543a3093
Commit
543a3093
authored
Jun 27, 2017
by
Dimitris Lampridis
Browse files
Options
Browse Files
Download
Email Patches
Plain Diff
EFTS2017: added lab notes
parent
0abd84b7
Show whitespace changes
Inline
Side-by-side
Showing
2 changed files
with
204 additions
and
0 deletions
+204
-0
Makefile
presentations/WR_Dimitris_EFTS_2017/lab/Makefile
+11
-0
wr_lab_efts_2017.tex
presentations/WR_Dimitris_EFTS_2017/lab/wr_lab_efts_2017.tex
+193
-0
No files found.
presentations/WR_Dimitris_EFTS_2017/lab/Makefile
0 → 100644
View file @
543a3093
all
:
wr_lab_efts_2017.pdf
.PHONY
:
all clean
wr_lab_efts_2017.pdf
:
wr_lab_efts_2017.tex
pdflatex
$^
pdflatex
$^
clean
:
rm
-f
*
.eps
*
.pdf
*
.dat
*
.log
*
.out
*
.aux
*
.dvi
*
.ps
*
.nav
*
.snm
*
.toc
*
.vrb
presentations/WR_Dimitris_EFTS_2017/lab/wr_lab_efts_2017.tex
0 → 100644
View file @
543a3093
\documentclass
{
beamer
}
\mode
<presentation>
\setbeamertemplate
{
navigation symbols
}{}
\setbeamertemplate
{
footline
}
[frame number]
\usepackage
{
listings
}
\lstset
{
framexleftmargin=-10pt,
framexrightmargin=10pt,
basicstyle=
\tiny\ttfamily
,
frame=trBL,
frameround=fttt
}
\title
{
White Rabbit Lab
}
\author
{
Dimitrios Lampridis
}
\institute
{
CERN BE-CO
\\
Hardware and Timing section
}
\date
[29 June 2016]
{
European Frequency and Time Seminar
\\
Besançon, 29 June 2016
}
\begin{document}
\frame
[plain]
{
\titlepage
}
\begin{frame}
{
Setup
}
\begin{itemize}
\item
1x WR Switch (free-running master)
\item
2x standard PCs equipped with PCIe-based WR nodes (slaves)
\item
2x FMC-DIO attached to the PCIe boards
\item
1x Oscilloscope to monitor all three PPS signals
\item
1x laptop PC with two network interfaces running Nagios
\end{itemize}
\end{frame}
\begin{frame}
[fragile]
{
Tasks already performed
}
\begin{enumerate}
\item
Hardware installation
\item
OS installation: Debian GNU/Linux 9
\begin{itemize}
\item
username:
\textcolor
{
red
}{
wrdemo
}
, password:
\textcolor
{
red
}{
efts2017
}
\end{itemize}
\item
Software download from Open HW Repository
\begin{itemize}
\item
\url
{
www.ohwr.org/projects/spec-sw/wiki
}
\item
\url
{
www.ohwr.org/projects/wr-cores/wiki/Wrpc
_
core
}
\end{itemize}
\end{enumerate}
\begin{lstlisting}
[title=
\ttfamily\scriptsize
{
as user (
\textcolor
{
red
}{
\$
}
)
}
]
$
mkdir
-
p ~
/
Desktop
/
EFTS
2017
/
binaries
$
cd ~/Desktop/EFTS2017/binaries
$
wget http:
//
www.ohwr.org
/
attachments
/
download
/
5043
/
wrpc
-
v
4
.
0
_
binaries.tar
$
cd ..
$
git clone git:
//
ohwr.org
/
fmc
-
projects
/
spec
/
spec
-
sw.git
$
cd spec-sw
$
git submodule update
--
init
\end
{
lstlisting
}
\begin
{
lstlisting
}
[
title
=
\ttfamily\scriptsize
{
as root
(
\textcolor
{
red
}{
\#
}
)
}
]
$
sudo su
# mkdir -p /lib/firmware/fmc
# cd /lib/firmware/fmc
# wget http://www.ohwr.org/attachments/download/4057/spec-init.bin-2015-09-18
# ln -s spec-init.bin-2015-09-18 spec-init.bin
\end{lstlisting}
\end{frame}
\begin{frame}
[fragile]
{
Task 1: Build and load device drivers
}
\begin{enumerate}
\item
Build all the necessary driver modules
\item
Load the driver modules
\item
Use
\texttt
{
dmesg
}
to verify detection of HW
\end{enumerate}
\begin{lstlisting}
$
cd ~
/
Desktop
/
EFTS
2017
/
spec
-
sw
$
make
$
sudo insmod fmc
-
bus
/
kernel
/
fmc.ko
$
sudo insmod spec.ko
$
sudo dmesg
\end
{
lstlisting
}
\begin
{
lstlisting
}
[
title
=
\ttfamily\scriptsize
{
sample dmesg output
}
]
spec
0000
:
20
:
00
.
0
: probe for device
0020
:
0000
spec
0000
:
20
:
00
.
0
: PCI INT A
-
> GSI
16
(
level, low
)
-
> IRQ
16
spec
0000
:
20
:
00
.
0
: setting latency timer to
64
spec
0000
:
20
:
00
.
0
: got file "fmc
/
spec
-
init.bin",
1485236
(
0
x
16
a
9
b
4
)
bytes
spec
0000
:
20
:
00
.
0
: FPGA programming successful
spec
0000
:
20
:
00
.
0
: mezzanine
0
Manufacturer: CERN
Product name: FmcDio
5
cha
\end
{
lstlisting
}
\end
{
frame
}
\begin
{
frame
}
[
fragile
]
{
Task
2
: FPGA reprogramming
}
\begin
{
enumerate
}
\item
Extract the WR reference design bistreams
\item
Load the WR PTP core FPGA bitstream
\item
Watch the scope for PPS signals, note performance
\end
{
enumerate
}
\begin
{
lstlisting
}
$
cd ~/Desktop/EFTS2017/binaries
$
tar zxvf wrpc
-
v
4
.
0
_
binaries.tar
$
cd ~/Desktop/EFTS2017/spec-sw
$
sudo tools
/
spec
-
fwloader ..
/
binaries
/
spec
/
spec
_
wr
_
ref
_
top.bin
$
sudo dmesg
\end{lstlisting}
\end{frame}
\begin{frame}
[fragile]
{
Task 3: Start the WRPC shell
}
\begin{enumerate}
\item
Access the WRPC shell via the Virtual UART
\item
Start the monitor and study the output
\begin{itemize}
\item
consult Appendix B of the manual (Desktop/EFTS2017/doc/)
\end{itemize}
\item
Estimate fiber length (
$
fiber
\
propagation
\
delay
\approx
5
ns
/
m
$
)
\item
Unplug the fiber, watch the monitor
\item
Re-plug the fiber, watch the monitor
\end{enumerate}
\begin{lstlisting}
$
cd ~
/
Desktop
/
EFTS
2017
/
spec
-
sw
$
sudo tools/spec-vuart
wrc# gui
\end{lstlisting}
\begin{itemize}
\item
Press
\emph
{
Enter
}
after starting the VUART to get the shell prompt
\item
Press
\emph
{
ESC
}
to exit from the monitor back to shell
\item
Press
\emph
{
Ctrl+A
}
to exit the shell
\end{itemize}
\end{frame}
\begin{frame}
[fragile]
{
Task 4: Configuration
}
\begin{enumerate}
\item
Add an initialization script
\item
Add an SFP calibration database
\item
Restart the WR PTP core
\item
Watch the scope for PPS signals, note performance
\item
Start the monitor
\item
Re-estimate fiber length
\end{enumerate}
\begin{lstlisting}
wrc# init show
wrc# init erase
wrc# init add ptp stop
wrc# init add sfp match
wrc# init add mode slave
wrc# init add ptp start
wrc# init add ip set 10.1.100.1 (or 10.1.100.2)
wrc# init show
wrc# sfp show
wrc# sfp erase
wrc# sfp match
wrc# sfp add AXGE-1254-0531 180667 148735 72169888
wrc# sfp show
wrc# sfp match
wrc# init boot
wrc# gui
\end{lstlisting}
\end{frame}
\begin{frame}
[fragile]
{
Task 5: Mess around!
}
\begin{enumerate}
\item
Attach very long fiber
\item
Use monitor to estimate fiber length
\item
Verify phase tracking, watch the scope
\item
Disable phase tracking (hidden command!)
\item
Heat up long fiber, watch monitor and scope
\item
Let fiber cool down, watch monitor and scope
\item
Re-enable phase tracking, repeat experiment
\end{enumerate}
\begin{lstlisting}
wrc# ptrack disable
wrc# gui
(ESC)
wrc# ptrack enable
wrc# gui
\end{lstlisting}
\end{frame}
\begin{frame}
{
SNMP Demo
}
\begin{center}
Nothing to do, just watch :)
\end{center}
\end{frame}
\end{document}
Write
Preview
Markdown
is supported
0%
Try again
or
attach a new file
Attach a file
Cancel
You are about to add
0
people
to the discussion. Proceed with caution.
Finish editing this message first!
Cancel
Please
register
or
sign in
to comment