package com.dy.common.util;

@SuppressWarnings("unused")
public class CRC8_for_2_0 {

	@SuppressWarnings("unused")
	public int CRC8(byte[] b, int from , int end){
	  int crc = 0;
	  for(int i = from ; i <= end ; i++){
		    crc = crc ^ (b[i]);
		    for(int j = 0; j < 8; j++) {
		      if((crc & 0x80)!=0) {
		    	 crc ^= 0xe5;
			  }
		      crc *= 2;
			}
	  }
	  return crc;
	} 

}