owctr(4)

owctr4

1-wire counter device

Usage

owctr* at onewire?

Overview

The owctr driver provides support for the externally triggered counters on the DS2423 chip. The supported chip contains a 4096-bit SRAM and four 32-bit counters. The two externally triggered counters are accessible by the sysctl(8) interface.

The following chips are supported by the driver:

  • Maxim/Dallas DS2423

Releases

34 releases since OpenBSD 4.8; the text changed 1 time.

  1. 4.8–5.3
  2. 5.4–8.0

History

The owctr driver first appeared in OpenBSD 4.8.

Authors

The owctr driver was written by John L. Scarfone ⟨[email protected]⟩.

From man 8.0-current-20261101 in OpenBSD 8.0-current (2026-11-01). Parsed by carta from the page's mdoc source.