Hardware in Loop Simulation with pixhawk board using Embedded Coder for Px4 toolboxes : The base rate of the Simulink model 0 millisecond is less than 1 millisecond

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Sajith Kk
Sajith Kk on 15 Nov 2019
Answered: Arun Mathamkode on 11 Nov 2021
I am trying to do Hardware in Loop Simulation with pixhawk board using Embedded Coder for Px4 toolboxes. I am getting the following error in my Simulink model:
The base rate of the Simulink model 0 millisecond is less than 1 millisecond. This is not supported by the PX4 Autopilot since the tick rate of NuttX OS is 1 millisecond.
To fix this error, change sample times of blocks in the Simulink model which is causing the base rate to be 0millisecond.
How do I resolve the issue?
Thanks,
Sajith
  3 Comments
Purav Panchal
Purav Panchal on 22 Jul 2021
I got the same error when simulating. Please have a look if there is a signal builder or some block which is having continuous time rate. Also in the configuration settings -- Code Generation -- Interface -- Uncheck the Continuous Time option if it is checked. This can help to solve the problem.

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Answers (1)

Arun Mathamkode
Arun Mathamkode on 11 Nov 2021
I agree with Purav's suggestion. Please makesure that the base sampletime of your model is greater or equal to 1 millisecond.

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