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Listing 2: Method 1 - ow_reset()

int ow_reset(void) {
int rval;
portx_ctl |= OW_OUTEN;
ow_delay(480);
portx_ctl &= ~OW_OUTEN;
ow_delay(15);
rval = (portx_val & OW_OUTBIT) ? 1 : 0;
if (val != 0) ow_delay(45);
return rval;
}
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