Question about ECG example: ex_ecg_sigprocessing

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Allan Moser
Allan Moser 2015-12-31
评论： Pooja 2020-2-22
This example opens a simulink file. When I try to run it, it fails saying, "This requires the Fixed-Point Designer License." Specifically, it fails on the functions bitsll and bitsra. However, I can execute these functions from a Matlab commmand window. In addition, if I copy the code for the main function called by this example, QRSDetection.m, which calls bitsll and bitsra, the function runs without any problem.
If anyone has any ideas as to why this is occurring, I would appreciate your advice.
Thanks

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Walter Roberson
Walter Roberson 2015-12-31
There is an oddity in the licensing for those functions.
You need the Fixed-Point Designer license in order to generate code that uses those functions, and generating code is done if you use Rapid Accelerator Mode (and possibly one of the other modes) or if you deploy the code.
However, I see hints from previous questions that for at least one of the modes of use of the functions, the functions can be used in interpreted mode, because some of the modes look like they are built in. So if you were to run the model unoptimized you might possibly not need the license.
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Walter Roberson
Walter Roberson 2015-12-31
Running the code in interpreted mode is required for software testing.
Pooja
Pooja 2020-2-22
Hi, I face a different problem when i type this command "ex_ecg_sigprocessing". Says "Undefined function or variable 'ex_ecg_sigprocessing'.
What should i do?

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nikita teggi
nikita teggi 2016-4-12
I wanted to know that in which version this example opens. Thanks

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