Difference between revisions of "CasperTutorial01"

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\section{Transferring your bitstream to your ROACH board}
 
\section{Transferring your bitstream to your ROACH board}
  
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If you now open an explorer window and navigate to your projects directory, you
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If you navigate to the directory containing your *.mdl file, you
 
will find a subfolder with the name of your Simulink design.
 
will find a subfolder with the name of your Simulink design.
  
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You will find your bitstreams inside the folder called bit\_files. There are
 
You will find your bitstreams inside the folder called bit\_files. There are
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two files, with the same name but different extensions. The filenames
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two files with names of the form
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<design\_name>\_<start\_compile\_time>.XXX. Appending the start time guarantees
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<design\_name>\_<start\_compile\_time>.XXX.
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that you will not overwrite existing bitstreams when recompiling your same
 
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design.
 
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The .bit is the raw FPGA bitstream that you could load manually using a Xilinx
 
The .bit is the raw FPGA bitstream that you could load manually using a Xilinx
 
JTAG programmer. Of interest to us now is the .bof file. This is a BORPH
 
JTAG programmer. Of interest to us now is the .bof file. This is a BORPH
 
executable. We will transfer this to your ROACH board now.
 
executable. We will transfer this to your ROACH board now.
  
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To transfer files to ROACH, you can use any standard Linux scheme. We will use
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To transfer files to ROACH, you can use any program capable of doing Secure Copy over SSH
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WinSCP which is a GUI program capable of doing SCP transfers (Secure Copy over
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Protocol (SCP) transfers. On Linux, scp is the standard tool.
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SSH Protocol). There is an icon on your desktop. Double-click it and you will
 
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be presented with a dialog similar to the one below.  Complete it as shown and
 
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click Login.
 
  
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Host name: wsserv
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You will then login to the Linux server wsserv that boots the ROACH boards and
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user name: tutee
 
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password: tutee
 
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\begin{figure}[h!]\centering\includegraphics[scale=.5]{tut1_fig33.png}\end{figure}
 
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You will then login to the Linux server wsserv which boots the ROACH boards and
 
 
hosts their filesystem. The ROACH filesystem lives in /srv/roach\_boot/etch/.
 
hosts their filesystem. The ROACH filesystem lives in /srv/roach\_boot/etch/.
  
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In the root folder of this filesystem is a directory called boffiles. ROACH
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In the root folder of this filesystem is a directory called /boffiles. ROACH
 
boards look in here for executable BORPH files. You will need to transfer your
 
boards look in here for executable BORPH files. You will need to transfer your
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bof file into this directory and make it executable. The left portion of WinSCP
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bof file into this directory and make it executable. Navigate to /srv/roach\_boot/etch/boffiles. This
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is your local computer. Navigate to
 
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c:\verb=\=projects\verb=\=<INITIAL>\_tut1\verb=\=bit\_files. The right portion
 
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is the remote computer. Navigate to /srv/roach\_boot/etch/boffiles. This
 
 
directory is shared amongst all the ROACH boards, so you will notice a list of
 
directory is shared amongst all the ROACH boards, so you will notice a list of
 
everyone else's bof files too.
 
everyone else's bof files too.
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Drag your file across from the left column to the right column to copy it across.
 
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\begin{figure}[h!]\centering\includegraphics[scale=.5]{tut1_fig34.png}\end{figure}
 
  
 
\section{Connecting to your ROACH board}
 
\section{Connecting to your ROACH board}

Revision as of 17:16, 25 March 2010

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