User`s guide

Appendix E – C-code

E.1 – The relay algorithm

Code Composer Studio generates all necessary files and directories, I’ve chosen to only

include the main program files, since the rest aren’t program specific.

E.1.1 – TwinDFTs_CCS.c

* TwinDFTs_CCS.c

* Real-Time Workshop code generation for Simulink model "TwinDFTs_CCS.mdl".

* Model Version : 1.377

* Real-Time Workshop version : 6.6 (R2007a) 01-Feb-2007

* C source code generated on : Sat Jul 26 15:12:18 2008

#include "TwinDFTs_CCS.h"

#include "TwinDFTs_CCS_private.h"

/* Block signals (auto storage) */

BlockIO_TwinDFTs_CCS TwinDFTs_CCS_B;

/* Block states (auto storage) */

D_Work_TwinDFTs_CCS TwinDFTs_CCS_DWork;

/* Real-time model */

RT_MODEL_TwinDFTs_CCS TwinDFTs_CCS_M_;

RT_MODEL_TwinDFTs_CCS *TwinDFTs_CCS_M = &TwinDFTs_CCS_M_;

/* Model output function */

static void TwinDFTs_CCS_output(int_T tid)

{

/* local block i/o variables */

creal_T rtb_Gain;

creal_T rtb_Product;

creal_T rtb_Conjugat;

real_T rtb_UnitDelay;

real_T rtb_TrigonometricFunction;

real_T rtb_Gain_c[2];

real_T rtb_ComplextoMagnitudeAngle1_o2;

real_T rtb_RelayDFT1;

real_T rtb_RelayDFT2;

real_T rtb_Angle;

real_T rtb_PhaseRelay;

/* UnitDelay: '<S7>/Unit Delay' */

rtb_UnitDelay = TwinDFTs_CCS_DWork.UnitDelay_DSTATE;

/* Trigonometry: '<S7>/Trigonometric Function' */

rtb_TrigonometricFunction = sin(rtb_UnitDelay);