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uint16 CRCCalc (uint8* p, int len)
{
uint16 crc = 0xFFFF;
for (int i = 0; i < len; i++) {
uint8 data = *p++;
for (int j = 0; j < 8; j++) {
if (((crc & 0x8000) >> 8) ^ (data & 0x80))
crc = (crc << 1) ^ 0x8005;
else
crc <<= 1;
data <<= 1;
}
}
return crc;
}
private short crc(byte str[],int len){
short crc = (short) 0xFFFF;
byte data;
for(int i = 0 ; i < len ; i++){
data = str[i++];
for(int j = 0; j < 8; j++){
if ((((crc&0x8000)>>8)^(data&0x80))!=0){
crc = (short) ((crc << 1) ^ 0x8005);
}
else
{
crc <<= 1;
}
data <<= 1;
}
}
return crc;
}