PWM.rar_C MEX-file simulink_made_pwm code_pwm matlab code

#define S_FUNCTION_LEVEL 2 #define S_FUNCTION_NAME PWM #include <math.h> #include "simstruc.h" #define U(element) (*uPtrs[element]) /* Pointer to Input Port0 */ static void mdlInitializeSizes(SimStruct *S) { if(!ssSetNumInputPorts(S, 1)) return; ssSetInputPortWidth(S, 0, 5); /* lebar input (liat di simulink)*/ ssSetInputPortDirectFeedThrough(S, 0, 1); ssSetInputPortOverWritable(S, 0, 1); if(!ssSetNumOutputPorts(S, 1)) return; ssSetOutputPortWidth(S, 0, 3); /* lebar output (liat di simulink)*/ ssSetNumSampleTimes(S, 1); /* ngeset cuma 1 sample time*/ /* Take care when specifying exception free code - see sfuntmpl.doc */ ssSetOptions(S, (SS_OPTION_EXCEPTION_FREE_CODE)); } static void mdlInitializeSampleTimes(SimStruct *S) { ssSetSampleTime(S, 0, CONTINUOUS_SAMPLE_TIME); ssSetOffsetTime(S, 0, 0.0); } static void mdlOutputs(SimStruct *S, int_T tid) { InputRealPtrsType uPtrs = ssGetInputPortRealSignalPtrs(S,0); real_T *Y = ssGetOutputPortRealSignal(S,0); int_T i; real_T t=ssGetT(S); real_T halfVDC = (0.5*U(1)); ///Y[3]=U(0)*fmod(t,1/U(0)); for (i=0; i<3;i++) { if (fabs(U(i+2))/halfVDC>=U(0)*fmod(t,1/U(0))) { Y[i]=halfVDC; } else { Y[i]=0.0; } if (U(i+2)<0.0) { Y[i]=-Y[i]; } } } static void mdlTerminate(SimStruct *S) {} #ifdef MATLAB_MEX_FILE /* Is this file being compiled as a MEX-file? */ #include "simulink.c" /* MEX-file interface mechanism */ #else #include "cg_sfun.h" /* Code generation registration function */ #endif