Problem about S function builder

2012 8 10

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I had creat a new model with s function builder,and include a file led.h in it.When I built,always output the message 'Error leddemo_wrapper.c: F:\TEST\MPC5634M_MLQB80.h: 768 `char' is an illegal bit-field type ...... '

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Walsandro 2012-8-10

Where did you include the led.h file?

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Kaustubha Govind 2012-8-10

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Could post line 768 of F:\TEST\MPC5634M_MLQB80.h? I'm guessing that whatever compiler you have selected using "mex -setup" in MATLAB does not support "char" as a bit-field type. This page talks more about C Bit Fields, and suggests that unsigned int, signed int, or int are the only legal types for bit fields unless you're using a newer compiler.