tmwtypes.h required in R2018a generated code

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Analog Devices, Inc. Systems Development Group 2018-4-5

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回答： cui,xingxing 2019-10-12

Hi,

I have a project that has been generating standalone C code from R2017b fine and I recently began testing the codegen tools with R2018a. When switching to R2018a the generated code now requires a header "tmwtypes.h". This is included with R2018a, but under a specific MathWorks license. So I cannot use it for my GPL project.

Is there a workaround for this or a flag I'm missing?

-- Reproduction Steps:--

The MATLAB project is available here: https://github.com/analogdevicesinc/ad936x-filter-wizard under the codegen-support branch.

Add the "test" folder to path and run the "generate_internal_designer" script to create the DLL source. Under the codegen->dll->internal_design_filter_cg folder the header "rtwtypes.h" has this header dependency.

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Answer 1

Andy 2018-4-9

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Hi Travis,

If you set a specific "target hardware device" then rtwtypes.h won't include tmwtypes.h. In other words add something like the following on line 19 of your "generate_internal_designer.m" script:

cfg.HardwareImplementation.TargetHWDeviceType = 'Intel->x86-64 (Windows64)';

If you want to use a different device type you can get the string for it by doing the following:

>> cfg = coder.config('dll');
>> open cfg

Then click the "Hardware" button along the top of the "Project Settings" window, set Hardware Board to "None - Select device below", and set the device as desired.

Then enter:

>> cfg.HardwareImplementation.TargetHWDeviceType

And MATLAB will display the string you want.

Also, why do you think tmwtypes.h is under a specific license? Looking at the file I see there's a copyright but nothing indicating a specific license. It should be fine to package tmwtypes.h with your code.

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Analog Devices, Inc. Systems Development Group 2018-4-9

Yes, that did the trick thank you.

With regards to the copyright, I'm not a lawyer so I try to interpret these things as conservatively as possible. Especially since I'm providing source, just not binaries to customers.

-Travis

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