75 lines
1.7 KiB
Groff
75 lines
1.7 KiB
Groff
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.Dd Feburary 1, 1996
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.Dt SD 4
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.Os FreeBSD
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.Sh NAME
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.Nm qcam
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.Nd Connectix QuickCam(TM) parallel port camera driver
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.Sh SYNOPSIS
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.Cd device qcam0 at isa? at "IO_LPT1" conflicts
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.Sh DESCRIPTION
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The
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.Nm qcam
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driver provides support for a Connectix
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.Tn QuickCam
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camera. It allows one to utilize all known modes, and may support
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as many cameras as there are parallel ports available.
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.Pp
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When the
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.Tn parallel\ ports
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are probed during boot, the port will be scanned for the presence
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of a camera.
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.Sh KERNEL CONFIGURATION
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The
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.Nm
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driver can share the same port with the lpt driver, however it is
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reccommended that the lpt driver be configured for polled operation
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if this sharing is to be done.
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.Sh IOCTLS
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The following
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.Xr ioctl 2
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calls apply to
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.Tn QuickCam
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devices.
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They are defined in the header file
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.Aq Pa qcam.h .
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.Pp
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.Bl -tag -width QC_GET
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.It Dv QC_GET
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Read, from the kernel, the current configuration and status
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information about camera.
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.It Dv QC_SET
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Configure the camera for various operating modes. Image size,
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resolution, zoom, and luminosity controls are available.
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.Sh NOTES
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If the camera is not found at boot time, the
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.Nm
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driver will not be available for use.
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.Sh FILES
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.Bl -tag -width /dev/qcamX -compact
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.It Pa /dev/qcam Ns Ar u
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raw mode
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.Tn QuickCam
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camera unit
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.Ar u ,
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accessed as a read-only character device
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.El
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.Sh DIAGNOSTICS
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None.
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.Sh SEE ALSO
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.Xr qcamcontrol 8
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.br
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The QuickCam reverse engineering project, http://www.crynwr.com/qcpc/
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.Sh HISTORY
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The
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.Nm
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driver is new to
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.Tn FreeBSD .
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.Sh AUTHOR
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The
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.Nm
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driver was written by Paul Traina borrowing heavily
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from code written by Thomas Davis, Scott Laird, Paul Chinn, and additional
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work done by Russel Nelson.
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.Sh TRADEMARK
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QuickCam is a registered trademark of Connectix Inc.
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