Error in generating code for parssing array in ROS message. (example: std_msgs/I​nt32MultiA​rray)

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浩平 坂本
浩平 坂本 2020-6-15
回答： Anmol Dhiman 2020-6-23
I am trying to generate code for my ROS node. I always get an error when I generate code for parsing array in ROS message.
To understand the error, I created a simple ros node which subscribes std_msgs/Int32MultiArray, selecting first element and publish the Int32 element. The model I created (ros_arrray_test.slx) is as follows.
In generating code for the subsystem thet parse std_msgs/Int32MultiArray, I get following error saying "Selected signal 'Layout.Dim.Label' in the Bus Selector block 'Subsystem/In1' is invalid since it refers to a bus element within an array of sub-buses.". However, I do not use that property, so I can not find the way to fix the error.
Please tell me how to fix the error and generate code for this submodel. Thank you in advance!

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回答（1 个）

Anmol Dhiman
Anmol Dhiman 2020-6-23
Hi ,
Manage Array Sizes for ROS might help you.
Regards,
Anmol Dhiman

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