Simulink buffer: How do I fix the error "All sample times must be discrete. No continuous or constant sample times are allowed."
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I have a discrete scalar input into a simulink buffer and would like the buffer to output a 100x1 vector of the scalar inputs. However, I keep getting this error and I can't figure out why, because the input into the buffer is discrete.
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Accepted Answer
Fangjun Jiang
on 1 Nov 2018
Try feeding the Buffer block with a Constant block. Changing the sample time of the Constant block from "inf" to 0.1 (for example) will result in the disappearance of this error message. "inf" means constant sample time.
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Nits
on 24 Jul 2019
Simulink#code generation
Error message: All sample times must be discrete. No continuous or constant sample times are allowed.
I am getting the above mentioned error while building the model in simulink. This error pertains to buffer block which is receiving bitwise data from Dspace via RS232 serial port. Please let me know how to get rid of this error. Thanks in advance.
More Answers (2)
Ahmed Alfadhel
on 14 Nov 2018
Edited: Ahmed Alfadhel
on 14 Nov 2018
Hello ,
This error is persistent even when I changed the smple time to 0.1 of the input port.
Guys your help plz.
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/194973/image.png)
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/194974/image.png)
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