STM32F103ZET_JDASMBIC/Bluecell_Src/CRC.c

/*
 * CRC16.c
 *
 *  Created on: 2019. 7. 3.
 *      Author: parkyj
 */

/*---------------------------------------------------------------------------------------*/
/*									CRC16	TABLE						    			 */
/*---------------------------------------------------------------------------------------*/
#include <stdio.h>						
#include <stdint.h>	
#include <CRC.h>
#include "uart.h"
const uint16_t crc16_tab[256] = {				
    0x0000, 0x1021, 0x2042, 0x3063, 0x4084, 0x50a5, 0x60c6, 0x70e7,				
    0x8108, 0x9129, 0xa14a, 0xb16b, 0xc18c, 0xd1ad, 0xe1ce, 0xf1ef,				
    0x1231, 0x0210, 0x3273, 0x2252, 0x52b5, 0x4294, 0x72f7, 0x62d6,				
    0x9339, 0x8318, 0xb37b, 0xa35a, 0xd3bd, 0xc39c, 0xf3ff, 0xe3de,				
    0x2462, 0x3443, 0x0420, 0x1401, 0x64e6, 0x74c7, 0x44a4, 0x5485,				
    0xa56a, 0xb54b, 0x8528, 0x9509, 0xe5ee, 0xf5cf, 0xc5ac, 0xd58d,				
    0x3653, 0x2672, 0x1611, 0x0630, 0x76d7, 0x66f6, 0x5695, 0x46b4,				
    0xb75b, 0xa77a, 0x9719, 0x8738, 0xf7df, 0xe7fe, 0xd79d, 0xc7bc,				
    0x48c4, 0x58e5, 0x6886, 0x78a7, 0x0840, 0x1861, 0x2802, 0x3823,				
    0xc9cc, 0xd9ed, 0xe98e, 0xf9af, 0x8948, 0x9969, 0xa90a, 0xb92b,				
    0x5af5, 0x4ad4, 0x7ab7, 0x6a96, 0x1a71, 0x0a50, 0x3a33, 0x2a12,				
    0xdbfd, 0xcbdc, 0xfbbf, 0xeb9e, 0x9b79, 0x8b58, 0xbb3b, 0xab1a,				
    0x6ca6, 0x7c87, 0x4ce4, 0x5cc5, 0x2c22, 0x3c03, 0x0c60, 0x1c41,				
    0xedae, 0xfd8f, 0xcdec, 0xddcd, 0xad2a, 0xbd0b, 0x8d68, 0x9d49,				
    0x7e97, 0x6eb6, 0x5ed5, 0x4ef4, 0x3e13, 0x2e32, 0x1e51, 0x0e70,				
    0xff9f, 0xefbe, 0xdfdd, 0xcffc, 0xbf1b, 0xaf3a, 0x9f59, 0x8f78,				
    0x9188, 0x81a9, 0xb1ca, 0xa1eb, 0xd10c, 0xc12d, 0xf14e, 0xe16f,				
    0x1080, 0x00a1, 0x30c2, 0x20e3, 0x5004, 0x4025, 0x7046, 0x6067,				
    0x83b9, 0x9398, 0xa3fb, 0xb3da, 0xc33d, 0xd31c, 0xe37f, 0xf35e,				
    0x02b1, 0x1290, 0x22f3, 0x32d2, 0x4235, 0x5214, 0x6277, 0x7256,				
    0xb5ea, 0xa5cb, 0x95a8, 0x8589, 0xf56e, 0xe54f, 0xd52c, 0xc50d,				
    0x34e2, 0x24c3, 0x14a0, 0x0481, 0x7466, 0x6447, 0x5424, 0x4405,				
    0xa7db, 0xb7fa, 0x8799, 0x97b8, 0xe75f, 0xf77e, 0xc71d, 0xd73c,				
    0x26d3, 0x36f2, 0x0691, 0x16b0, 0x6657, 0x7676, 0x4615, 0x5634,				
    0xd94c, 0xc96d, 0xf90e, 0xe92f, 0x99c8, 0x89e9, 0xb98a, 0xa9ab,				
    0x5844, 0x4865, 0x7806, 0x6827, 0x18c0, 0x08e1, 0x3882, 0x28a3,				
    0xcb7d, 0xdb5c, 0xeb3f, 0xfb1e, 0x8bf9, 0x9bd8, 0xabbb, 0xbb9a,				
    0x4a75, 0x5a54, 0x6a37, 0x7a16, 0x0af1, 0x1ad0, 0x2ab3, 0x3a92,				
    0xfd2e, 0xed0f, 0xdd6c, 0xcd4d, 0xbdaa, 0xad8b, 0x9de8, 0x8dc9,				
    0x7c26, 0x6c07, 0x5c64, 0x4c45, 0x3ca2, 0x2c83, 0x1ce0, 0x0cc1,				
    0xef1f, 0xff3e, 0xcf5d, 0xdf7c, 0xaf9b, 0xbfba, 0x8fd9, 0x9ff8,				
    0x6e17, 0x7e36, 0x4e55, 0x5e74, 0x2e93, 0x3eb2, 0x0ed1, 0x1ef0				
};			
static uint32_t crc32_tab[] = {						
    0x00000000, 0x77073096, 0xee0e612c, 0x990951ba, 0x076dc419, 0x706af48f,						
    0xe963a535, 0x9e6495a3, 0x0edb8832, 0x79dcb8a4, 0xe0d5e91e, 0x97d2d988,						
    0x09b64c2b, 0x7eb17cbd, 0xe7b82d07, 0x90bf1d91, 0x1db71064, 0x6ab020f2,						
    0xf3b97148, 0x84be41de, 0x1adad47d, 0x6ddde4eb, 0xf4d4b551, 0x83d385c7,						
    0x136c9856, 0x646ba8c0, 0xfd62f97a, 0x8a65c9ec, 0x14015c4f, 0x63066cd9,						
    0xfa0f3d63, 0x8d080df5, 0x3b6e20c8, 0x4c69105e, 0xd56041e4, 0xa2677172,						
    0x3c03e4d1, 0x4b04d447, 0xd20d85fd, 0xa50ab56b, 0x35b5a8fa, 0x42b2986c,						
    0xdbbbc9d6, 0xacbcf940, 0x32d86ce3, 0x45df5c75, 0xdcd60dcf, 0xabd13d59,						
    0x26d930ac, 0x51de003a, 0xc8d75180, 0xbfd06116, 0x21b4f4b5, 0x56b3c423,						
    0xcfba9599, 0xb8bda50f, 0x2802b89e, 0x5f058808, 0xc60cd9b2, 0xb10be924,						
    0x2f6f7c87, 0x58684c11, 0xc1611dab, 0xb6662d3d, 0x76dc4190, 0x01db7106,						
    0x98d220bc, 0xefd5102a, 0x71b18589, 0x06b6b51f, 0x9fbfe4a5, 0xe8b8d433,						
    0x7807c9a2, 0x0f00f934, 0x9609a88e, 0xe10e9818, 0x7f6a0dbb, 0x086d3d2d,						
    0x91646c97, 0xe6635c01, 0x6b6b51f4, 0x1c6c6162, 0x856530d8, 0xf262004e,						
    0x6c0695ed, 0x1b01a57b, 0x8208f4c1, 0xf50fc457, 0x65b0d9c6, 0x12b7e950,						
    0x8bbeb8ea, 0xfcb9887c, 0x62dd1ddf, 0x15da2d49, 0x8cd37cf3, 0xfbd44c65,						
    0x4db26158, 0x3ab551ce, 0xa3bc0074, 0xd4bb30e2, 0x4adfa541, 0x3dd895d7,						
    0xa4d1c46d, 0xd3d6f4fb, 0x4369e96a, 0x346ed9fc, 0xad678846, 0xda60b8d0,						
    0x44042d73, 0x33031de5, 0xaa0a4c5f, 0xdd0d7cc9, 0x5005713c, 0x270241aa,						
    0xbe0b1010, 0xc90c2086, 0x5768b525, 0x206f85b3, 0xb966d409, 0xce61e49f,						
    0x5edef90e, 0x29d9c998, 0xb0d09822, 0xc7d7a8b4, 0x59b33d17, 0x2eb40d81,						
    0xb7bd5c3b, 0xc0ba6cad, 0xedb88320, 0x9abfb3b6, 0x03b6e20c, 0x74b1d29a,						
    0xead54739, 0x9dd277af, 0x04db2615, 0x73dc1683, 0xe3630b12, 0x94643b84,						
    0x0d6d6a3e, 0x7a6a5aa8, 0xe40ecf0b, 0x9309ff9d, 0x0a00ae27, 0x7d079eb1,						
    0xf00f9344, 0x8708a3d2, 0x1e01f268, 0x6906c2fe, 0xf762575d, 0x806567cb,						
    0x196c3671, 0x6e6b06e7, 0xfed41b76, 0x89d32be0, 0x10da7a5a, 0x67dd4acc,						
    0xf9b9df6f, 0x8ebeeff9, 0x17b7be43, 0x60b08ed5, 0xd6d6a3e8, 0xa1d1937e,						
    0x38d8c2c4, 0x4fdff252, 0xd1bb67f1, 0xa6bc5767, 0x3fb506dd, 0x48b2364b,						
    0xd80d2bda, 0xaf0a1b4c, 0x36034af6, 0x41047a60, 0xdf60efc3, 0xa867df55,						
    0x316e8eef, 0x4669be79, 0xcb61b38c, 0xbc66831a, 0x256fd2a0, 0x5268e236,						
    0xcc0c7795, 0xbb0b4703, 0x220216b9, 0x5505262f, 0xc5ba3bbe, 0xb2bd0b28,						
    0x2bb45a92, 0x5cb36a04, 0xc2d7ffa7, 0xb5d0cf31, 0x2cd99e8b, 0x5bdeae1d,						
    0x9b64c2b0, 0xec63f226, 0x756aa39c, 0x026d930a, 0x9c0906a9, 0xeb0e363f,						
    0x72076785, 0x05005713, 0x95bf4a82, 0xe2b87a14, 0x7bb12bae, 0x0cb61b38,						
    0x92d28e9b, 0xe5d5be0d, 0x7cdcefb7, 0x0bdbdf21, 0x86d3d2d4, 0xf1d4e242,						
    0x68ddb3f8, 0x1fda836e, 0x81be16cd, 0xf6b9265b, 0x6fb077e1, 0x18b74777,						
    0x88085ae6, 0xff0f6a70, 0x66063bca, 0x11010b5c, 0x8f659eff, 0xf862ae69,						
    0x616bffd3, 0x166ccf45, 0xa00ae278, 0xd70dd2ee, 0x4e048354, 0x3903b3c2,						
    0xa7672661, 0xd06016f7, 0x4969474d, 0x3e6e77db, 0xaed16a4a, 0xd9d65adc,						
    0x40df0b66, 0x37d83bf0, 0xa9bcae53, 0xdebb9ec5, 0x47b2cf7f, 0x30b5ffe9,						
    0xbdbdf21c, 0xcabac28a, 0x53b39330, 0x24b4a3a6, 0xbad03605, 0xcdd70693,						
    0x54de5729, 0x23d967bf, 0xb3667a2e, 0xc4614ab8, 0x5d681b02, 0x2a6f2b94,						
    0xb40bbe37, 0xc30c8ea1, 0x5a05df1b, 0x2d02ef8d						
};						
				


//-----------------------------------------------
//UART CRC üũ �Լ�
//-----------------------------------------------
unsigned short genCRC16(char *buf_ptr, int len)
{
	unsigned char dt = 0U;
	unsigned short crc16 = 0U;

	len *= 8;
	for(crc16 = (unsigned short)0x0000; len >= 8; len -= 8, buf_ptr++)
	{
		crc16 = (unsigned short)(crc16_tab[(crc16>>8) ^ (unsigned short)(*buf_ptr)] ^ (crc16<<8));
	}

	if(len != 0)
	{
		dt = (unsigned char)(*buf_ptr << 8);

		while(len != 0)
		{
			len--;

			if(((crc16^dt) & ((unsigned short)1 << 15)) != 0)
			{
				crc16 =  (unsigned short)(crc16 << 1);
				crc16 = (unsigned short)(crc16 ^ 0x1021);
			}
			else
			{
				crc16 =  (unsigned short)(crc16 << 1);
			}
			dt = (unsigned char)(dt << 1);
		}
	}
	return(crc16);
}

uint8_t STH30_CreateCrc(uint8_t *data, uint8_t nbrOfBytes)
{
  uint8_t bit;        // bit mask
  uint8_t crc = 0xFF; // calculated checksum
  uint8_t byteCtr;    // byte counter

  // calculates 8-Bit checksum with given polynomial
  for(byteCtr = 0; byteCtr < nbrOfBytes; byteCtr++)
  {
    crc ^= (data[byteCtr]);
    for(bit = 8; bit > 0; --bit)
    {
      if(crc & 0x80) crc = (crc << 1) ^ POLYNOMIAL;
      else           crc = (crc << 1);
    }
  }
  return crc;
}
etError STH30_CheckCrc(uint8_t *data, uint8_t nbrOfBytes, uint8_t checksum)
{
  uint8_t bit;        // bit mask
  uint8_t crc = 0xFF; // calculated checksum
  uint8_t byteCtr;    // byte counter

  // calculates 8-Bit checksum with given polynomial
  for(byteCtr = 0; byteCtr < nbrOfBytes; byteCtr++)
  {
    crc ^= (data[byteCtr]);
    for(bit = 8; bit > 0; --bit)
    {
      if(crc & 0x80) crc = (crc << 1) ^ POLYNOMIAL;
      else           crc = (crc << 1);
    }
  }
  if(crc != checksum) return CHECKSUM_ERROR;
  else                return NO_ERROR;
}





bool Chksum_Check(uint8_t *data, uint32_t leng,uint8_t chkdata)
{
   uint8_t dataret = 0;
   bool ret = false;
   for(int i = MBIC_SUBUID_0; i < MBIC_HEADERCHECKSUM_0; i++){
        dataret += data[i];
   }
   if(dataret == chkdata){
        ret = true;
   }
//    printf("dataret : %x   chkdata : %x \r\n",dataret,chkdata);
    return ret;
}
uint8_t Chksum_Create(uint8_t *data)
{
   uint8_t dataret = 0;

   for(int i = MBIC_SUBUID_0; i < MBIC_HEADERCHECKSUM_0; i++){
        dataret += data[i];
//        printf("dataret : %x data[%d] : %x \r\n",dataret,i,data[i]);
   }
//    printf("dataret : %x \r\n",dataret);
    return dataret;
}



etError CRC16_Check(uint8_t* buf_ptr, int len,uint16_t checksum)
{
    uint16_t crc = 0;
    for (uint32_t counter = 0; counter < len; counter++)
        crc = (uint16_t)((crc << 8) ^ crc16_tab[(uint32_t)(((crc >> 8) ^ buf_ptr[counter]) & 0x00FF)]);
    printf("REAL CRC %x / IN CRC : %x \r\n",crc,checksum);
    return (crc == checksum ? CHECKSUM_ERROR : NO_ERROR);
}


uint16_t CRC16_Generate(uint8_t* buf_ptr, int len)
{
  int a = 0;
    uint16_t crc = 0;
    for (uint32_t counter = 0; counter < len; counter++){
        crc = (uint16_t)((crc << 8) ^ crc16_tab[(uint32_t)(((crc >> 8) ^ buf_ptr[counter]) & 0x00FF)]);
//      printf("%d CRC : %x  buf_ptr : %x Counter %d\r\n",a,crc,buf_ptr[counter],counter);
      a++;
    }
    printf("len : %d \r\n",len);
    return crc;
}   

		
uint32_t crc32(const void *buf, size_t size)						
{						
    const uint8_t *p;						
    uint32_t crcret = 0;
						
    p = buf;						
    crcret = crcret ^ ~0U;						
						
    while (size--) {						
        crcret = crc32_tab[(crcret ^ *p++) & 0xFF] ^ (crcret >> 8);						
    }						
						
    return crcret ^ ~0U;						
}						
etError crc32Check(uint32_t checksum,uint32_t crc, const void *buf, size_t size)						
{						
    const uint8_t *p;						
    uint32_t crcret = 0;
						
    p = buf;						
    crcret = crcret ^ ~0U;						
						
    while (size--) {						
        crcret = crc32_tab[(crcret ^ *p++) & 0xFF] ^ (crcret >> 8);						
    }						
						
    crcret ^ ~0U;		

    return (crcret == checksum ? CHECKSUM_ERROR : NO_ERROR);
}