sbitDQ=PI^2;
unsigned char ROMID[ 16][81;
unsigned char TH;
unsigned char TL;
unsigned char confbReg;
unsigned char scratchPad[9];
unsigned char setBuf[3];
void delay(int cat)
{
int i;
for(i=0;i<cnt;i++);
}
unsigned char bus rcset(vod)
{
unsigned char presence;
DQ=0;
delay(29);
DQ=1;
delay(3);
Presence=DQ
delay(25);
return presence;
}
unsigned char rena bit(void)
{
unsigned char i;
DQ=0;
DQ=1;
for(i=0;i<3;i++);
return DQ;
void write}bit(cliar bitvalue)
{
DQ=0;
if(bitvalue==1)
{
DQ=1;
}
delay(5);
DQ=1;
}
unsigned char read byte(void)
unsigned char i;
unsigned char value=0;
for(i=0;i<8;i++)
{
if(read bit())
{
value=value| (0x01 <<i);
}
}
delay(6);
return value;
}
void write-byte(cbar bytevalne)
{
unsigned chat i;
unsigned char temp;
for(i=0;i<8;i ++)
{
temp=bytevalue>>i;
temp=temp&0x01;
write bit(temp);
}
delay(5);
}
unsigned char i;
if(bus-resetQ) return false;
write byte(0x55);