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How to call a Library Functions void XXX (void) generated by Simulink/ert_shrlib.tlc using M script

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APTX4869
APTX4869 2019-1-15
编辑： APTX4869 2019-1-15
I convert a simulink model to a shared library function by Simulink/ert_shrlib.tlc.
The model hava four input, Add1,Add2,Sub1,Sub2, and two output, AddOut, SubOut.
The functions definition in the generated header file is
void dllTest_initialize(void), void dllTest_step(void), void dllTest_terminate(void).
All the ports are defined as structure:
/* External inputs
typedef struct {
XXX
} ExtU_dllTest_T;
/* External outputs
typedef struct {
XX
} ExtY_dllTest_T
The .c file defines the external ports
ExtU_dllTest_T dllTest_U;
ExtY_dllTest_T dllTest_Y;
The dllTest_initialize is
void dllTest_initialize(void)
{
/* Registration code */
/* initialize error status */
rtmSetErrorStatus(dllTest_M, (NULL));
/* external inputs */
(void)memset((void *)&dllTest_U, 0, sizeof(ExtU_dllTest_T));
/* external outputs */
(void) memset((void *)&dllTest_Y, 0,
sizeof(ExtY_dllTest_T));
}
I want know to how to pass a value before calling the dllTest_initialize and dllTest_step.
I can creat a C structure and Pointer using
InputStruc=libstruct('ExtU_dllTest_T',Input);
InputPtr=libpointer('ExtU_dllTest_TPtr',InputStruc);
BUT don't know how to pass it to input ExtU_dllTest_T dllTest_U.

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