#include <stdio.h>
#include <absacc.h>
#include <./Atmel/at89x52.h>
#include "source.h"	
unsigned char  code crc_tableh[256]={
0x00, 0x10, 0x20, 0x30, 0x40, 0x50, 0x60, 0x70, 0x81, 0x91, 0xa1, 0xb1, 0xc1, 0xd1, 0xe1, 0xf1, 
0x12, 0x02, 0x32, 0x22, 0x52, 0x42, 0x72, 0x62, 0x93, 0x83, 0xb3, 0xa3, 0xd3, 0xc3, 0xf3, 0xe3, 
0x24, 0x34, 0x04, 0x14, 0x64, 0x74, 0x44, 0x54, 0xa5, 0xb5, 0x85, 0x95, 0xe5, 0xf5, 0xc5, 0xd5, 
0x36, 0x26, 0x16, 0x06, 0x76, 0x66, 0x56, 0x46, 0xb7, 0xa7, 0x97, 0x87, 0xf7, 0xe7, 0xd7, 0xc7, 
0x48, 0x58, 0x68, 0x78, 0x08, 0x18, 0x28, 0x38, 0xc9, 0xd9, 0xe9, 0xf9, 0x89, 0x99, 0xa9, 0xb9, 
0x5a, 0x4a, 0x7a, 0x6a, 0x1a, 0x0a, 0x3a, 0x2a, 0xdb, 0xcb, 0xfb, 0xeb, 0x9b, 0x8b, 0xbb, 0xab, 
0x6c, 0x7c, 0x4c, 0x5c, 0x2c, 0x3c, 0x0c, 0x1c, 0xed, 0xfd, 0xcd, 0xdd, 0xad, 0xbd, 0x8d, 0x9d, 
0x7e, 0x6e, 0x5e, 0x4e, 0x3e, 0x2e, 0x1e, 0x0e, 0xff, 0xef, 0xdf, 0xcf, 0xbf, 0xaf, 0x9f, 0x8f, 
0x91, 0x81, 0xb1, 0xa1, 0xd1, 0xc1, 0xf1, 0xe1, 0x10, 0x00, 0x30, 0x20, 0x50, 0x40, 0x70, 0x60, 
0x83, 0x93, 0xa3, 0xb3, 0xc3, 0xd3, 0xe3, 0xf3, 0x02, 0x12, 0x22, 0x32, 0x42, 0x52, 0x62, 0x72, 
0xb5, 0xa5, 0x95, 0x85, 0xf5, 0xe5, 0xd5, 0xc5, 0x34, 0x24, 0x14, 0x04, 0x74, 0x64, 0x54, 0x44, 
0xa7, 0xb7, 0x87, 0x97, 0xe7, 0xf7, 0xc7, 0xd7, 0x26, 0x36, 0x06, 0x16, 0x66, 0x76, 0x46, 0x56, 
0xd9, 0xc9, 0xf9, 0xe9, 0x99, 0x89, 0xb9, 0xa9, 0x58, 0x48, 0x78, 0x68, 0x18, 0x08, 0x38, 0x28, 
0xcb, 0xdb, 0xeb, 0xfb, 0x8b, 0x9b, 0xab, 0xbb, 0x4a, 0x5a, 0x6a, 0x7a, 0x0a, 0x1a, 0x2a, 0x3a, 
0xfd, 0xed, 0xdd, 0xcd, 0xbd, 0xad, 0x9d, 0x8d, 0x7c, 0x6c, 0x5c, 0x4c, 0x3c, 0x2c, 0x1c, 0x0c, 
0xef, 0xff, 0xcf, 0xdf, 0xaf, 0xbf, 0x8f, 0x9f, 0x6e, 0x7e, 0x4e, 0x5e, 0x2e, 0x3e, 0x0e, 0x1e
};
unsigned char  code crc_tablel[256]={
0x00, 0x21, 0x42, 0x63, 0x84, 0xa5, 0xc6, 0xe7, 0x08, 0x29, 0x4a, 0x6b, 0x8c, 0xad, 0xce, 0xef, 
0x31, 0x10, 0x73, 0x52, 0xb5, 0x94, 0xf7, 0xd6, 0x39, 0x18, 0x7b, 0x5a, 0xbd, 0x9c, 0xff, 0xde, 
0x62, 0x43, 0x20, 0x01, 0xe6, 0xc7, 0xa4, 0x85, 0x6a, 0x4b, 0x28, 0x09, 0xee, 0xcf, 0xac, 0x8d, 
0x53, 0x72, 0x11, 0x30, 0xd7, 0xf6, 0x95, 0xb4, 0x5b, 0x7a, 0x19, 0x38, 0xdf, 0xfe, 0x9d, 0xbc, 
0xc4, 0xe5, 0x86, 0xa7, 0x40, 0x61, 0x02, 0x23, 0xcc, 0xed, 0x8e, 0xaf, 0x48, 0x69, 0x0a, 0x2b, 
0xf5, 0xd4, 0xb7, 0x96, 0x71, 0x50, 0x33, 0x12, 0xfd, 0xdc, 0xbf, 0x9e, 0x79, 0x58, 0x3b, 0x1a, 
0xa6, 0x87, 0xe4, 0xc5, 0x22, 0x03, 0x60, 0x41, 0xae, 0x8f, 0xec, 0xcd, 0x2a, 0x0b, 0x68, 0x49, 
0x97, 0xb6, 0xd5, 0xf4, 0x13, 0x32, 0x51, 0x70, 0x9f, 0xbe, 0xdd, 0xfc, 0x1b, 0x3a, 0x59, 0x78, 
0x88, 0xa9, 0xca, 0xeb, 0x0c, 0x2d, 0x4e, 0x6f, 0x80, 0xa1, 0xc2, 0xe3, 0x04, 0x25, 0x46, 0x67, 
0xb9, 0x98, 0xfb, 0xda, 0x3d, 0x1c, 0x7f, 0x5e, 0xb1, 0x90, 0xf3, 0xd2, 0x35, 0x14, 0x77, 0x56, 
0xea, 0xcb, 0xa8, 0x89, 0x6e, 0x4f, 0x2c, 0x0d, 0xe2, 0xc3, 0xa0, 0x81, 0x66, 0x47, 0x24, 0x05, 
0xdb, 0xfa, 0x99, 0xb8, 0x5f, 0x7e, 0x1d, 0x3c, 0xd3, 0xf2, 0x91, 0xb0, 0x57, 0x76, 0x15, 0x34, 
0x4c, 0x6d, 0x0e, 0x2f, 0xc8, 0xe9, 0x8a, 0xab, 0x44, 0x65, 0x06, 0x27, 0xc0, 0xe1, 0x82, 0xa3, 
0x7d, 0x5c, 0x3f, 0x1e, 0xf9, 0xd8, 0xbb, 0x9a, 0x75, 0x54, 0x37, 0x16, 0xf1, 0xd0, 0xb3, 0x92, 
0x2e, 0x0f, 0x6c, 0x4d, 0xaa, 0x8b, 0xe8, 0xc9, 0x26, 0x07, 0x64, 0x45, 0xa2, 0x83, 0xe0, 0xc1, 
0x1f, 0x3e, 0x5d, 0x7c, 0x9b, 0xba, 0xd9, 0xf8, 0x17, 0x36, 0x55, 0x74, 0x93, 0xb2, 0xd1, 0xf0
};
unsigned char mult_crccheck(unsigned char *input,unsigned char chreclength,	struct yushi *y){	
	unsigned char temp;
	struct yushi ycrc;
	y=&ycrc;
	y->h=0;
	y->l=0;
	while(chreclength--){
		temp=y->h^*input;
		y->h=crc_tableh[temp]^y->l;
		y->l=crc_tablel[temp];
		input++;
	}
	return (y->l|y->h);
}
void init_crccheck(struct yushi *y){
	y->h=0;
	y->l=0;
}
void crccheck(unsigned char input,struct  yushi *y){
    unsigned char temp=y->h^input;
	y->h=crc_tableh[temp]^y->l;
	y->l=crc_tablel[temp];
}