Simulink scope doesn't display Raspberry Pi results

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Bogdan Udrea
Bogdan Udrea 2022-3-24
评论： Bogdan Udrea 2022-4-15
Dear Colleagues,
I am running a Simulink model, of my own creation, on a Raspberry Pi (3 B+) target. For some reason I cannot get the results of the simulation to display in "real-time" on the Simulink scope. This is what I have done so far:
  • I compared the Hardware Implementation and Code Generation settings of my model to those of the MathWorks raspberrypi_mafilelogging.slx demo and, for what I can tell, they were all the same.
  • I checked the InitFcn and the other callbacks in the raspberrypi_mafilelogging.slx model and they were empty.
  • I issued set_param('v0_raspberry','ExtModeAutoUpdateStatusClock','on') in the MATLAB command window before I ran my model and I was able to see the elapsed time bar and cofirm that the elf has run on the Raspberry Pi. Moreover, I checked the data in the mat file that the model wrote to the Raspberri Pi and it looked as expected.
  • I spent quite a bit of time reading MathWorks help files and documentation without much success =(
So I have a couple of questions for the community before MathWorks tech support comes back online:
  1. What is the setting in raspberrypi_mafilelogging.slx that allows the elapsed time bar to be updated from the Raspberry Pi target without setting the 'ExtModeAutoUpdateStatusClock' at the command line?
  2. What are the settings that allow the Simulink scope display to update with results from the Raspberry Pi elf?
Thank you!
B
  1 个评论
Bogdan Udrea
Bogdan Udrea 2022-4-15
I fixed the problem by copying and pasting the model saved with an older version of Simulink into a blank Simulink 2021b model.

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