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Chips-2.0 Demo for ATLYS Development Card
=========================================
:Author: Jonathan P Dawson
:Date: 2013-10-15
:email: chips@jondawson.org.uk
This project is intended to demonstrate the capabilities of the `Chips-2.0 <http:pyandchips.org>`_ development environment. The project is targets the Xilinx Spartan 6 device, and more specifically, the Digilent ATLYS development platform. The demo implements a TCP/IP socket interface, and a simple web application. So far the demonstration has been tested on a Ubuntu Linux only. Some users have reported success using windows.
Dependencies
============
You will need:
+ Xilinx ISE 12.0 or later (webpack edition is free)
+ Python 2.7 or later (but not Python 3)
+ Chips-2.0 (Included)
+ Digilent `ATLYS <http://www.digilentinc.com/Products/Detail.cfm?NavPath=2,400,836&Prod=ATLYS&CFID=3188339&CFTOKEN=15014968>`_ Spartan 6 Development Kit.
+ Digilent ADEPT2 `utility <http://www.digilentinc.com/Products/Detail.cfm?NavPath=2,66,828&Prod=ADEPT2>`_
+ git
Install
=======
Clone the git the repository with git::
$ git clone https://github.com/dawsonjon/Chips-Demo.git
$ cd Chips-Demo
$ git submodule init
$ git submodule update
Chips Compile
=============
To compile the c code in chips, issue the following command in the project folder::
$ ./atlys.py compile
Build in ISE
============
Edit the Xilinx variable in the scripts/user_settings to point to the Xilinx ISE install directory. Then build the design using the following command::
$ ./atlys.py build
Download to ATLYS
=================
Power up the ATLYS, and connect the JTAG USB cable to your PC. Run the download command::
$ ./atlys.py download
You can complete all three steps in one go using the *all* option::
$ ./atlys.py all
Setup and Test
==============
::
+----------------+ +----------------+
| PC | | Digilent ATLYS |
| | POWER =======>o |
| | | |
| USB o<===============>o JTAG USB |
| | | |
| ETH0 o<===============>o ETHERNET |
| | | |
| 192.168.1.0 | | 192.168.1.1 |
+----------------+ +----------------+
..
Connect the Ethernet port to ATLYS, using a crossed over Ethernet cable.
Using the script, configure Ethernet port with IP address 192.168.1.0 and subnet mask 255.255.255.0. Turn off TCP Window Scaling and TCP time stamps::
$ ./configure_network
Verify connection using ping command::
$ ping 192.168.1.1
PING 192.168.1.1 (192.168.1.1) 56(84) bytes of data.
64 bytes from 192.168.1.1: icmp_req=1 ttl=255 time=0.253 ms
64 bytes from 192.168.1.1: icmp_req=2 ttl=255 time=0.371 ms
64 bytes from 192.168.1.1: icmp_req=3 ttl=255 time=0.382 ms
64 bytes from 192.168.1.1: icmp_req=4 ttl=255 time=0.250 ms
^C
--- 192.168.1.1 ping statistics ---
4 packets transmitted, 4 received, 0% packet loss, time 3000ms
rtt min/avg/max/mdev = 0.250/0.314/0.382/0.062 ms
Connect to 192.168.1.1 using your favourite browser.
.. image:: https://raw.github.com/dawsonjon/Chips-Demo/master/images/screenshot.png
:width: 75%
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