Unable to connect to an external ROS device using RST
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I've been trying to use the RTW to connect to a ROS enabled device (Turtlebot) as an external target through Simulink. The code builds without errors. When run, it first attempts to test the connection to the Turtlebot. The device is pinged successfully but will not connect.
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/190633/image.png)
I think the rosdevice command attempts to ssh to the Turtlebot as well. When executed it gives me this error.
>> rosdevice('10.10.10.102','turtlebot','turtlebot')
Invalid MEX-file
'/usr/local/MATLAB/R2017a/toolbox/robotics/robotsimulink/robotslros/+robotics/+codertarget/+internal/private/ssh2client_mex.mexa64':
libssh2.so.1: cannot open shared object file: No such file or directory.
Error in robotics.codertarget.internal.ssh2client (line 66)
obj.Key = ssh2client_mex('connect',...
Error in rosdevice (line 165)
obj.Ssh = robotics.codertarget.internal.ssh2client(hostname, ...
How can I fix these errors?
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