Update Image Scanners section:
- remove mention to deprecated frontend; - update kernel config settings; - update devfs(8) part for device nodes permissions. Example with devd(8) will be added soon. PR: 244156 Submitted by: Tobias Kortkamp <tobik@FreeBSD.org>
This commit is contained in:
Marc Fonvieille
parent
e26d240c3c
commit
a640b8413e
Notes:
svn2git
2020-12-08 03:00:23 +00:00
svn path=/head/; revision=54106
1 changed files with 49 additions and 33 deletions
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@ -1461,7 +1461,8 @@ bktr0: Pinnacle/Miro TV, Philips SECAM tuner.</programlisting>
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<programlisting>device usb
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device uhci
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device ohci
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device ehci</programlisting>
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device ehci
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device xhci</programlisting>
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<para>To determine if the <acronym>USB</acronym> scanner is
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detected, plug it in and use <command>dmesg</command> to
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@ -1524,29 +1525,26 @@ Re-scan of bus 3 was successful</screen>
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<sect2>
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<title><application>SANE</application> Configuration</title>
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<para>The <application>SANE</application> system is split in two
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parts: the backends
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(<package>graphics/sane-backends</package>) and the frontends
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(<package>graphics/sane-frontends</package> or
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<package>graphics/xsane</package>). The backends provide
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access to the scanner. Refer to <link
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<para>The <application>SANE</application> system provides the
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access to the scanner via backends (<package>graphics/sane-backends</package>).
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Refer to <link
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xlink:href="http://www.sane-project.org/sane-supported-devices.html">http://www.sane-project.org/sane-supported-devices.html</link>
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to determine which backend supports the scanner. The
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frontends provide the graphical scanning interface.
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<package>graphics/sane-frontends</package> installs
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<application>xscanimage</application> while
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<package>graphics/xsane</package> installs
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<application>xsane</application>.</para>
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to determine which backend supports the scanner. A
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graphical scanning interface is provided by third party
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applications like <application>Kooka</application>
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(<package>graphics/kooka</package>) or
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<application>XSane</application>
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(<package>graphics/xsane</package>).
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<application>SANE</application>'s backends are enough to test
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the scanner.</para>
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<para>To install the two parts from binary packages:</para>
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<para>To install the backends from binary package:</para>
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<screen>&prompt.root; <userinput>pkg install xsane sane-frontends</userinput></screen>
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<screen>&prompt.root; <userinput>pkg install sane-backends</userinput></screen>
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<para>Alternatively, to install from the Ports Collection</para>
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<screen>&prompt.root; <userinput>cd /usr/ports/graphics/sane-frontends</userinput>
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&prompt.root; <userinput>make install clean</userinput>
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&prompt.root; <userinput>cd /usr/ports/graphics/xsane</userinput>
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<screen>&prompt.root; <userinput>cd /usr/ports/graphics/sane-backends</userinput>
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&prompt.root; <userinput>make install clean</userinput></screen>
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<para>After installing the
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@ -1579,12 +1577,13 @@ found SCSI scanner "AGFA SNAPSCAN 600 1.10" at /dev/pass3</screen>
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<screen>&prompt.root; <userinput>scanimage -L</userinput>
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device `snapscan:/dev/pass3' is a AGFA SNAPSCAN 600 flatbed scanner
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&prompt.root; <userinput>scanimage -L</userinput>
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device 'epson2:libusb:/dev/usb:/dev/ugen0.2' is a Epson GT-8200 flatbed scanner</screen>
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device 'epson2:libusb:000:002' is a Epson GT-8200 flatbed scanner</screen>
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<para>In this second example,
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<literal>'epson2:libusb:/dev/usb:/dev/ugen0.2'</literal> is
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the backend name (<literal>epson2</literal>) and
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<literal>/dev/ugen0.2</literal> is the device node used by the
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<literal>epson2</literal> is
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the backend name and
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<literal>libusb:000:002</literal> means
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<filename>/dev/ugen0.2</filename> is the device node used by the
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scanner.</para>
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<para>If <command>scanimage</command> is unable to identify the
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@ -1612,7 +1611,7 @@ which came with this software (README, FAQ, manpages).</screen>
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with the right backend name and the device node:</para>
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<screen>&prompt.root; <userinput>scanimage -L</userinput>
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device 'epson2:libusb:/dev/usb:/dev/ugen0.2' is a Epson GT-8200 flatbed scanner</screen>
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device 'epson2:libusb:000:002' is a Epson GT-8200 flatbed scanner</screen>
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<para>Once <command>scanimage -L</command> sees the scanner, the
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configuration is complete and the scanner is now ready to
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@ -1621,16 +1620,12 @@ device 'epson2:libusb:/dev/usb:/dev/ugen0.2' is a Epson GT-8200 flatbed scanner<
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<para>While <command>scanimage</command> can be used to perform
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an image acquisition from the command line, it is often
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preferable to use a graphical interface to perform image
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scanning. The <package>graphics/sane-frontends</package>
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package or port installs a simple but efficient graphical
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interface, <application>xscanimage</application>.</para>
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<para>Alternately, <application>xsane</application>, which is
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installed with the <package>graphics/xsane</package> package
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or port, is another popular graphical scanning frontend. It
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offers advanced features such as various scanning modes, color
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correction, and batch scans. Both of these applications are
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usable as a <application>GIMP</application> plugin.</para>
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scanning. Applications like <application>Kooka</application>
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or <application>XSane</application> are popular scanning
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frontends. They
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offer advanced features such as various scanning modes, color
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correction, and batch scans. <application>XSane</application>
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is also usable as a <application>GIMP</application> plugin.</para>
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</sect2>
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<sect2>
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@ -1668,6 +1663,27 @@ device 'epson2:libusb:/dev/usb:/dev/ugen0.2' is a Epson GT-8200 flatbed scanner<
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add path ugen0.2 mode 0660 group usb
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add path usb/0.2.0 mode 0666 group usb</programlisting>
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<note>
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<para>It happens the device node changes with the addition or
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removal of devices, so one may want to give access to all
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USB devices using this ruleset instead:</para>
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<programlisting>[system=5]
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add path 'ugen*' mode 0660 group usb
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add path 'usb/*' mode 0666 group usb</programlisting>
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</note>
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<para>Refer to &man.devfs.rules.5; for more information about
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this file.</para>
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<para>Next, enable the ruleset in /etc/rc.conf:</para>
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<programlisting>devfs_system_ruleset="system"</programlisting>
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<para>And, restart the &man.devfs.8; system:</para>
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<screen>&prompt.root; <userinput>service devfs restart</userinput></screen>
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<para>Finally, add the users to <systemitem
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class="groupname"><replaceable>usb</replaceable></systemitem>
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in order to allow access to the scanner:</para>
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