u8 w1_read_bit(struct w1_master *dev)
static u8 w1_read_bit(struct w1_master *dev)
u8 w1_read_bit(struct w1_master *dev){	int result;	dev->bus_master->write_bit(dev->bus_master->data, 0);	w1_delay(6);	dev->bus_master->write_bit(dev->bus_master->data, 1);	w1_delay(9);	result = dev->bus_master->read_bit(dev->bus_master->data);	w1_delay(55);	return result & 0x1;}