/*
 * Include Files
 *
 */
#if defined(MATLAB_MEX_FILE)
#include "tmwtypes.h"
#include "simstruc_types.h"
#else
#define SIMPLIFIED_RTWTYPES_COMPATIBILITY
#include "rtwtypes.h"
#undef SIMPLIFIED_RTWTYPES_COMPATIBILITY
#endif



/* %%%-SFUNWIZ_wrapper_includes_Changes_BEGIN --- EDIT HERE TO _END */
#include <math.h>
#include <stdint.h>
#include <stddef.h>
/* %%%-SFUNWIZ_wrapper_includes_Changes_END --- EDIT HERE TO _BEGIN */
#define u_1_width 1
#define y_width 1

/*
 * Create external references here.  
 *
 */
/* %%%-SFUNWIZ_wrapper_externs_Changes_BEGIN --- EDIT HERE TO _END */
/* extern double func(double a); */
uint32_t CRC32Value(int i)
{
	int j;
	uint32_t u1CRC;
	u1CRC=i;
	for(j=8 ;j>0 ;j-- )
	{
		if(u1CRC& 1)
			u1CRC =(u1CRC >> 1)^0xEDB88320L;
		else
			u1CRC >>= 1;
	}
	return u1CRC;

}

uint32_t CalculateBlockCRC32(uint32_t u1Count,uint8_t *ucBuffer)
{
	uint32_t u1Temp1;
	uint32_t u1Temp2;
	uint32_t u1CRC=0;
	while(u1Count-- != 0)
	{
		u1Temp1 = u1CRC>>8 &0x00FFFFFFL;
		u1Temp2 = CRC32Value(((int)u1CRC ^ *ucBuffer++) & 0xff);
		u1CRC=u1Temp1 ^ u1Temp2;
	}
	return u1CRC;
}
/* %%%-SFUNWIZ_wrapper_externs_Changes_END --- EDIT HERE TO _BEGIN */

/*
 * Output function
 *
 */
void get_snc_crc32_Outputs_wrapper(const uint8_T *ucBuffer,
			const uint32_T *u1Count,
			uint32_T *u1CRC,
			const int_T u_width)
{
/* %%%-SFUNWIZ_wrapper_Outputs_Changes_BEGIN --- EDIT HERE TO _END */
/* This sample sets the output equal to the input
      y0[0] = u0[0]; 
 For complex signals use: y0[0].re = u0[0].re; 
      y0[0].im = u0[0].im;
      y1[0].re = u1[0].re;
      y1[0].im = u1[0].im;
 */
 u1CRC[0] = CalculateBlockCRC32(u1Count[0], ucBuffer);
/* %%%-SFUNWIZ_wrapper_Outputs_Changes_END --- EDIT HERE TO _BEGIN */
}