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Code Issues Releases Activity

Update the manual page to call more attention to the probe override flags.

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This commit is contained in:
Paul Traina 1997-05-11 18:28:08 +00:00
parent 432aad0e98
commit d1ed0d3d16
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=25724
1 changed files with 27 additions and 11 deletions
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38
share/man/man4/man4.i386/qcam.4
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@ -1,5 +1,5 @@
.\"
.\" $Id$
.\" $Id: qcam.4,v 1.4.4.2 1997/03/07 03:08:24 mpp Exp $
.\"
.Dd Feburary 1, 1996
.Dt QCAM 4 i386
@ -8,11 +8,11 @@
.Nm qcam
.Nd Connectix QuickCam(TM) parallel port camera driver
.Sh SYNOPSIS
.Cd device qcam0 at isa? at "IO_LPT1" conflicts
.Cd device qcam0 at isa? at "IO_LPT1" conflicts flags 0x0001
.Sh DESCRIPTION
The
.Nm qcam
driver provides support for a Connectix
driver provides support for a black and white Connectix
.Tn QuickCam
camera. It allows one to utilize all known modes, and may support
as many cameras as there are parallel ports available.
@ -24,12 +24,21 @@ of a camera.
.Sh KERNEL CONFIGURATION
The
.Nm
driver can share the same port with the lpt driver, however it is
reccommended that the lpt driver be configured for polled operation
if this sharing is to be done.
The auto-detection code for the camera is reported to
be flakey at times. Until this is resolved, it may be bypassed by
by adding "flags 1" to your kernel configuration.
driver can share the same port with the lpt driver, however you should
configure the lpt driver for polled operation using the
.Xr lptcontrol 8
program if you would like to be able to swap the
.Tn QuickCam
and printer without rebooting. The
.Nm
driver itself does not rely on and will not conflict with the lpt
driver.
The auto-detection code for the camera is notoriously flakey at
times. Until this is resolved, it may be overridden to force the
driver to always believe a
.Nm qcam
is attached by adding "flags 0x1" to your kernel configuration line.
.Sh IOCTLS
The following
.Xr ioctl 2
@ -63,6 +72,7 @@ accessed as a read-only character device
None.
.Sh SEE ALSO
.Xr qcamcontrol 1
.Xr lptcontrol 8
.br
The QuickCam reverse engineering project, http://www.crynwr.com/qcpc/
.Sh HISTORY
@ -74,13 +84,19 @@ driver is new to
The driver spin-waits in the kernel, which means on large transfers,
the system will be chewing down a lot of time. Doing full motion video
at 320x240 is not reccomended until this is fixed.
.Pp
The driver's auto-detection code for finding a camera on a parallel port
is not reliable on all hardware. See the note above for bypass information.
.Pp
The driver does not support Color
.Tn QuickCam
devices.
.Sh AUTHOR
The
.Nm
driver was written by Paul Traina borrowing heavily
driver was written by
.An Paul Traina
borrowing heavily
from code written by Thomas Davis, Scott Laird, Paul Chinn, and additional
work done by Russel Nelson.
.Sh TRADEMARK