On 11/18/2015 11:19 PM, Tommaso wrote:
Good morning,
I'm a student interested in programming with etherlab but I've
encountered some problems during the installation.
Could you give me a detailed guide in order to install all the
elements in boundle 2.1 with Ubuntu 14?
Thank you for your help.
I just recently installed on an Ubuntu 14.04 system running the 3.16
kernel. I've attached some notes from my installation. I largely
followed the instructions from the pdf documentation. For me the major
key was disabling the realtek driver during the configure step. For my
system (non-real time) the generic driver seems to work fine. Hope this
helps.
p.s.
Including the error message(s) that you got from your install will
generally allow the community to better assist you.
--
-john
To be or not to be, that is the question
2b || !2b
(0b10)*(0b1100010) || !(0b10)*(0b1100010)
0b11000100 || !0b11000100
0b11000100 || 0b00111011
0b11111111
255, that is the answer.
Basic Ethercat installation process:
===============================================================================
Obtain and build:
download from http://www.etherlab.org/en/ethercat/ and then extract, build
install and configure as per the instructions from the etherlab website:
tar -xjvf ~/Downloads/ethercat-1.5.2.tar.bz2
cd ethercat-1.5.2
./configure --enable-8139too=no
make
make modules
make doc
sudo make install
sudo make modules_install
cd /opt/etherlab
sudo mkdir /etc/sysconfig
cp ln -s etc/sysconfig/ethercat /etc/sysconfig/
ln -s etc/init.d/ethercat /etc/init.d/
echo "KERNEL ==\" EtherCAT [0 -9]*\" , MODE =\"0664\" GROUP=\"ethercat\"" \
| sudo tee > /etc/udev/rules.d/99-EtherCAT.rules
===============================================================================
Configuration steps:
Find out which MAC address maps to the cable plugged into the ethercat
network. With NIC unplugged:
ip link | grep BROADCAST |cut -d ':' -f 2 | while read i; do echo $i; \
sudo ethtool $i | grep Link; done
and then plug in the NIC and run again. One of the NICs (e.g. eth2) should
have changed from "Link detected: no" to "Link detected: yes". After
idenifying run the following commands to get the MAC address and the
driver:
ifconfig <NIC> | grep HWaddr
to determine the address. After all of this is done update
etc/sysconfig/ethercat with the obtained values. For the modules option enter
'generic'.
Create EtherCAT group: "sudo addgroup --system ethercat"
Add user to group: "sudo usermod -a -G ethercat jhubbard"
Creeate udev rule "/etc/udev/rules.d/99-EtherCAT.rules"
With contents: KERNEL ==" EtherCAT [0 -9]*" , MODE ="0664" GROUP="ethercat"
===============================================================================
Startup steps:
sudo /etc/init.d/ethercat start
Verify that its running with:
/opt/etherlab/bin/ethercat master
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