gpioow(4) on OpenBSD
The text 9887f4f0e1bb, as OpenBSD 4.4, OpenBSD 4.3, OpenBSD 4.2 shipped it.
1-Wire bus bit-banging through GPIO pin
The text 9887f4f0e1bb, as OpenBSD 4.4, OpenBSD 4.3, OpenBSD 4.2 shipped it.
1-Wire bus bit-banging through GPIO pin