Using ROS without internet on Jetson TX2

asked 2019-04-29 10:37:01 -0500

Tyagi
1 ●1

Hello,

I am building an outdoor robot and I will not be having internet connectivity. I was able to start and run the robot with internet connectivity. I changed the configuration to work without internet connectivity. I am using a Jetson TX2, I will not be using ssh because of the lack of internet connectivity outdoors.

I first changed the ROS_MASTER_URI=http://127.0.1.1:11311 (tegra-ubuntu) and changed the ROS_IP=127.0.1.1 I am able to ping my IP. I am able to successfully start up my roscore and see the rostopic list. However, I am unable to get my joystick to publish data when I try to do rostopic echo joy.

I have checked quite a few posts but I have not been able to find a solution to this problem.

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"the internet" has nothing to do with this.

You write:

However, I am unable to get my joystick to publish data when I try to do rostopic echo joy.

to which machine is this joystick connected? Can you sketch the network situation? Is this still a multi-host setup but without a gateway to the internet?

gvdhoorn ( 2019-04-29 11:18:28 -0500 )edit

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I'm confused: the values for ROS_IP and ROS_MASTER_URI you show in your question are already the localhost IP. But you claim that doesn't work. Now you write that by using the localhost IP, things actually work?

gvdhoorn ( 2019-04-29 11:25:04 -0500 )edit

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