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Showing content with the highest reputation on 07/14/2017 in all areas

  1. 1 point
    Hi Bruce, I put mine at the beginning of the list to be sure it tries to connect to it first as it cannot connect to the other ones (because no internet). You have done it well You are connected to your robot via ethernet cable, so you certainly have edited intera.sh when installing ROS and Sawyer SDK: http://sdk.rethinkrobotics.com/intera/Workstation_Setup#Configure_Robot_Communication.2FROS_Workspace The tutorial asks to fulfill your_ip="192.168.XXX.XXX" in this ./intera.sh. It is this same address that you should give to Sawyer. In my configuration, this address is static. That's weird... Maybe it is not eth0 if you have multiple ethernet port or a switch. Try ifconfig and look for eth something, there should be the same address as the one you set in intera.sh Clément
  2. 1 point
    Hi Bruce, I have the same configuration. To make the synchronisation of the clocks, you have to follow the following steps: run sudo gedit /etc/ntp.conf on your computer under the “# Use servers from the NTP Pool Project” section, you can specify to use ntp server addresses close to your location. Just add the keyword iburst at the end of each server line to force our computer ntp server to synchronize its current time with these servers as soon as it is launched. You should have something like: server 0.ubuntu.pool.ntp.org iburst server 1.ubuntu.pool.ntp.org iburst server 2.ubuntu.pool.ntp.org iburst server 3.ubuntu.pool.ntp.org iburst under the ”# Use Ubuntu's ntp server as a fallback. ” section, add the following lines: server fudge stratum 8 At the end of the file add the following lines: # Allow LAN machines to synchronize with this ntp server restrict mask nomodify notrap This will allow machines present on the network to get the current time this computer. You have to put your network address (you can find it with ifconfig eth0). The server should now be operational just run sudo /etc/init.d/ntp restart to restart it. The next step is to tell Sawyer to connect to this server to synchronize with the computer's clock. To do this: enter Sawyer's FSM menu. To enter the FSM menu, reboot the robot and only start hitting Ctrl+F when Sawyer face appear. Continue until a menu appears (it is very very long like 1 or 2 min) click on “Configuration” button in the NTP server list, add the static ip of the computer in first position. Note: don't forget to put a comma to separate servers' addresses. Set the current location as needed. click “save” button and reboot Sawyer. Everything should work. Clément
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