Is it possible to call specific C functions in matlab?

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Imtiaz nabi 2022-5-20

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https://ww2.mathworks.cn/matlabcentral/answers/1723625-is-it-possible-to-call-specific-c-functions-in-matlab

评论： Antonio Niro 2022-5-20

Hi there,

I want to Simulate GPS signal in Matlab and have written a code which seems to be working partially. The problem is in the premable of the data which is causing the issue during the subframe identification process. I wanted to ask if there is anyway to call and use a function that is already written in C langage.

Is it possible? can we do it? If yes can you please provide me some reference material or guidance on how to do it?

I would like to call a few functions such as GenerateNavMessage from the following link:

https://github.com/osqzss/gps-sdr-sim/blob/master/gpssim.c

Thank you in advance

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dpb 2022-5-20

You have to write a mex wrapper function that calls the C code.

How easy this is will depend upon the data passing chosen in the implementation of the function -- straight numeric types can be handled pretty easily; if it uses C structures you'll have more issues to resolve.