Dynamically Sized S-function Builder Inputs
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Matthew
el 25 de Oct. de 2014
Comentada: Matthew
el 27 de Oct. de 2014
Coming into my S-Function Builder block, I have a one-dimensional signal that could be anywhere from 1 to 17 uint8's in length. Within the S-Function Builder block, my input has the following specifications:
Dimensions: 1-D
Rows: -1
Data type: uint8
However, I get the following error message:
Error due to multiple causes.
- Error in port widths or dimensions. Invalid dimension has been specified for input port 1 of 'LCDcount/S-Function Builder'.
- Error in port widths or dimensions. Output port 1 of 'LCDcount/Format Time' is a one dimensional vector with 9 elements.
I expect the signal to be 9 elements (I attached a constant block directly to the S-Function Builder input as a test case to replace my original configuration, which was a MATLAB function - no difference between the errors). Simulink writes a 9 next to the previous block's output, but places a (?) symbol at the input to the S-Function Builder block.
I have no idea how to go about debugging this one, so any help would be appreciated! Thanks!
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Sandip Kumar
el 27 de Oct. de 2014
Yes the documentation is correct, in specifying that the dimension of the input can be dynamically sized. I quickly played with an example, and attaching it here.
Make sure to build the s-function builder block to get the mexw64 files for the block to simulate.
This should give you some ideas to fix the issue you are facing.
Thanks, Sandip
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