unixdev.net


Switch to SpeakEasy.net DSL

The Modular Manual Browser

Home Page
Manual: (OpenBSD-5.7)
Page:
Section:
Apropos / Subsearch:
optional field

PCFADC(4)                BSD Kernel Interfaces Manual                PCFADC(4)

NAME
     pcfadc -- Philips PCF8591 temperature sensor

SYNOPSIS
     pcfadc* at iic?

DESCRIPTION
     The pcfadc driver supports the PCF8591 I2C analog to digital converter,
     making its readings available through a sysctl(8) interface.

     The driver reads up to four A/D lines configured as temperature inputs.
     Sensor names, type and calibration information are read from Open-
     Firmware.

SEE ALSO
     iic(4), intro(4), sensorsd(8), sysctl(8)

HISTORY
     The pcfadc driver first appeared in OpenBSD 3.9.

AUTHORS
     The pcfadc driver was written by Damien Miller <djm@openbsd.org>.

BSD                             April 30, 2017                             BSD