/*---------------------------------------------------------------------------*/
static void
owwriteb(unsigned byte)
{
int i = 7;
do {
if(byte & 0x01) {
DS2411_OUTPUT();
OUTP_0();
udelay_tA();
OUTP_1(); /* Releases the bus */
udelay(tB);
} else {
OUTP_0();
udelay(tC);
OUTP_1(); /* Releases the bus */
udelay(tD);
}
if(i == 0) {
DS2411_INPUT();
return;
}
i--;
byte >>= 1;
} while(1);
}
/*---------------------------------------------------------------------------*/
static unsigned
owreadb(void)
{
unsigned result = 0;
int i = 7;
do {
OUTP_0();
udelay_tA();
OUTP_1(); /* Releases the bus */
udelay(tE);
if(INP()) {
result |= 0x80; /* LSbit first */
}
udelay(tF);
if(i == 0) {
return result;
}
i--;
result >>= 1;
} while(1);
}
