OWID(4) - Device Drivers Manual # OWID(4) - Device Drivers Manual
NAME # owid - 1-Wire ID device
SYNOPSIS # owid* at onewire?
DESCRIPTION # The owid driver provides support for the 1-Wire serial number family type device. This device can’t do anything except report its unique serial number. The serial number is available through the sysctl(8) interface.
The following chips are supported by the driver:
Maxim/Dallas DS1990 SEE ALSO # intro(4), onewire(4), sysctl(8)
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OWSBM(4) - Device Drivers Manual # OWSBM(4) - Device Drivers Manual
NAME # owsbm - 1-Wire smart battery monitor device
SYNOPSIS # owsbm* at onewire?
DESCRIPTION # The owsbm driver provides support for the 1-Wire smart battery monitor. The sensor possesses a temperature sensor, an A/D converter for measuring both battery voltage and current, a current accumulator of both incoming and outgoing current, an elapsed time and 40 bytes of nonvolatile EEPROM.
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OWTEMP(4) - Device Drivers Manual # OWTEMP(4) - Device Drivers Manual
NAME # owtemp - 1-Wire temperature device
SYNOPSIS # owtemp* at onewire?
DESCRIPTION # The owtemp driver provides support for the 1-Wire temperature sensor. The sensor possesses a single temperature value that can be accessed through the sysctl(8) interface.
The following chips are supported by the driver:
Maxim/Dallas DS1820/DS18B20/DS18S20/DS1822 Maxim/Dallas DS1920 SEE ALSO # intro(4), onewire(4), sysctl(8)
HISTORY # The owtemp driver first appeared in OpenBSD 4.
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PAGESIZE(1) - General Commands Manual # PAGESIZE(1) - General Commands Manual
NAME # pagesize - print system page size
SYNOPSIS # pagesize
DESCRIPTION # pagesize prints the size of a page of memory in bytes, as returned by the sysctl(8) variable hw.pagesize. This program is useful in constructing portable shell scripts.
SEE ALSO # sysctl(8)
HISTORY # The pagesize command appeared in 4.2BSD.
OpenBSD 7.5 - May 31, 2007
PCFADC(4) - Device Drivers Manual # PCFADC(4) - Device Drivers Manual
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 OpenFirmware.
SEE ALSO # iic(4), intro(4), sensorsd(8), sysctl(8)
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PCHTEMP(4) - Device Drivers Manual # PCHTEMP(4) - Device Drivers Manual
NAME # pchtemp - Intel PCH temperature sensor
SYNOPSIS # pchtemp* at pci?
DESCRIPTION # The pchtemp driver provides support for the temperature sensor in the Intel X99, C610 series, 9 series and 100 series platform controller hub (PCH).
These sensors provide 0.5 degC resolution. Sensor values are made available through the sysctl(8) interface.
SEE ALSO # intro(4), pci(4), sensorsd(8), sysctl(8)
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PFCTL(8) - System Manager’s Manual # PFCTL(8) - System Manager’s Manual
NAME # pfctl - control the packet filter (PF) device
SYNOPSIS # pfctl [-deghNnPqrvz] [-a anchor] [-D macro=value] [-F modifier] [-f file] [-i interface] [-K key] [-k key] [-L statefile] [-o level] [-p device] [-S statefile] [-s modifier [-R id]] [-t table -T command [address …]] [-V rdomain] [-x level]
DESCRIPTION # The pfctl utility communicates with the packet filter device using the ioctl interface described in pf(4).
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PGS(4) - Device Drivers Manual (macppc) # PGS(4) - Device Drivers Manual (macppc)
NAME # pgs - programmer’s switch
SYNOPSIS # pgs* at macgpio?
DESCRIPTION # The pgs driver provides support for the “Programmer’s Switch” found on selected PowerMac2,1 and newer models. If the ddb.console sysctl(8) is set, pressing the button will cause the machine to enter ddb(4). The “Programmers Switch” can be identified by the V-like symbol on it.
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PIJUICE(4) - Device Drivers Manual # PIJUICE(4) - Device Drivers Manual
NAME # pijuice - PiJuice HAT UPS
SYNOPSIS # pijuice* at iic?
DESCRIPTION # The pijuice driver provides support for the PiJuice HAT, an uninterruptible power supply for the Raspberry Pi. The integrated STM32F030CCT6 micro controller provides access through the I2C bus to several battery status values.
SEE ALSO # iic(4), intro(4), maxrtc(4), apm(8), sysctl(8)
HISTORY # The pijuice driver first appeared in OpenBSD 7.
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PIPEX(4) - Device Drivers Manual # PIPEX(4) - Device Drivers Manual
NAME # pipex - PPP IP EXtension to handle IP/PPP frames in-kernel
SYNOPSIS # option PIPEX
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/ioctl.h>
#include <net/if.h>
#include <net/pipex.h>
DESCRIPTION # pipex is used with pppac(4) and pppx(4), and handles PPP frames and forwards IP packets in-kernel. It accelerates the performance of packet forwarding, because it reduces copying of packets between kernel and userland.
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