/*
?*?This?file?is?not?available?for?use?in?any?application?other?than?as?a
?*?MATLAB（R）?MEX?file?for?use?with?the?Simulink（R）?product.
?*/

/*
?*?grid_connected_testsystem_acc.c
?*
?*?Real-Time?Workshop?code?generation?for?Simulink?model?“grid_connected_testsystem_acc.mdl“.
?*
?*?Model?version??????????????:?1.162
?*?Real-Time?Workshop?version?:?7.5??（R2010a）??25-Jan-2010
?*?C?source?code?generated?on?:?Sun?Jun?02?23:41:11?2013
?*
?*?Target?selection:?accel.tlc
?*?Note:?GRT?includes?extra?infrastructure?and?instrumentation?for?prototyping
?*?embedded?hardware?selection:?32-bit?Generic
?*?Emulation?hardware?selection:
?*????Differs?from?embedded?hardware?（MATLAB?Host）
?*?Code?generation?objectives:?Unspecified
?*?Validation?result:?Not?run
?*/
#include?
#include?“grid_connected_testsystem_acc.h“
#include?“grid_connected_testsystem_acc_private.h“
#include?
#include?“simstruc.h“
#include?“fixedpoint.h“
#define?CodeFormat?????????????????????S-Function
#define?AccDefine1?????????????????????Accelerator_S-Function
#ifndef?__RTW_UTFREE__

extern?void?*?utMalloc（size_t）;
extern?void?utFree（void?*）;

#endif

/*?Buffer?management?routine?for?variable?delay?block?*/
boolean_T?grid_connected_testsystem_acc_rt_TDelayUpdateTailOrGrowBuf（
??int_T?*bufSzPtr?????????????????????/*?in/out?-?circular?buffer?size?????????????????*/
??int_T?*tailPtr??????????????????????/*?in/out?-?tail?of?circular?buffer??????????????*/
??int_T?*headPtr??????????????????????/*?in/out?-?head?of?circular?buffer??????????????*/
??int_T?*lastPtr??????????????????????/*?in/out?-?same?logical?‘last‘?referenced?index?*/
??real_T?tMinusDelay??????????????????/*?in?????-?last?point?we?are?looking?at???*/
??real_T?**tBufPtr????????????????????/*?in/out?-?larger?buffer?for?time?????????*/
??real_T?**uBufPtr????????????????????/*?in/out?-?larger?buffer?for?input????????*/
??real_T?**xBufPtr????????????????????/*?in/out?-?larger?buffer?for?state????????*/
??boolean_T?isfixedbuf????????????????/*?in?????-?fixed?buffer?size?enable???????*/
??boolean_T?istransportdelay??????????/*?in?????-?block?acts?as?transport?dela?y?*/
??int_T?*maxNewBufSzPtr）
{
??int_T?testIdx;
??int_T?tail?=?*tailPtr;
??int_T?bufSz?=?*bufSzPtr;
??real_T?*tBuf?=?*tBufPtr;
??real_T?*xBuf?=?（NULL）;
??int_T?numBuffer?=?2;
??if?（istransportdelay）?{
????numBuffer?=?3?;
????xBuf=?*xBufPtr;
??}

??/*????Get?testIdx?the?index?of?the?second?oldest?data?point?and
???*????see?if?this?is?older?than?current?sim?time?minus?applied?delay
???*????used?to?see?if?we?can?move?tail?forward
???*/
??testIdx?=?（tail???if?（（tMinusDelay?<=?tBuf[testIdx]）?&&?!isfixedbuf）?{
????int_T?j;
????real_T?*tempT;
????real_T?*tempU;
????real_T?*tempX?=?（NULL）;
????real_T?*uBuf?=?*uBufPtr;
????int_T?newBufSz?=?bufSz?+?1024;
????if?（newBufSz?>?*maxNewBufSzPtr）?{
??????*maxNewBufSzPtr?=?newBufSz;??????/*?save?for?warning*/
????