Delta Electronics Network Device VFD-S Specifiche Scaricare il pdf (Pagina 72)

VFD-S Series

5-55

Unsigned int crc_chk(unsigned char* data, unsigned char length){

int j;

unsigned int reg_crc=0xFFFF;

while(length--){

reg_crc ^= *data++;

for(j=0;j<8;j++){

if(reg_crc & 0x01){ /* LSB(b0)=1 */

reg_crc=(reg_crc>>1) ^ 0xA001;

}else{

reg_crc=reg_crc >>1;

}

return reg_crc;

}

1 2 ... 67 68 69 70 71 72 73 74 75 76 77 ... 129 130

Nessun commento

Delta Electronics Network Device VFD-S Specifiche Pagina 72