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Commit 68550588 authored by Igor Pečovnik's avatar Igor Pečovnik
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/etc/dovecot/dovecot.conf
/etc/cups/
/etc/transmission-daemon/
/etc/scanbuttond
/etc/init.d/scanbuttond
/etc/init.d/hostapd
/etc/postfix
/etc/mysql
service stop dovecot
service stop cups
/etc/init.d/scanbuttond stop
service transmission-daemon stop
service hostapd stop
service postfix stop
\ No newline at end of file
src/scanbuttond-0.2.3/AUTHORS deleted 100644 → 0
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People behind this project
--------------------------
* Bernhard Stiftner <root84@users.sourceforge.net>
(main author, project admin)
* Dirk Wriedt
(niash backend)
* J. Javier Maestro
(sniffing snapscan buttons)
* Hans Verkuil
(plustek backend)
* James Gilliland
(Epson CX3200 support/testing)
* "tsuet"
(testing)
* Oliver Edelmann
(Canon N650U support)
* Christian Bucher
(CanoScan LIDE 20 support, helped demystifying the plustek protocol)
* David Froehlich
(Epson Perfection 1260 support/testing)
* Milan Zamazal
(snapscan testing)
src/scanbuttond-0.2.3/COPYING deleted 100644 → 0
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GNU GENERAL PUBLIC LICENSE
Version 2, June 1991
Copyright (C) 1989, 1991 Free Software Foundation, Inc.
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Copyright (C) <year> <name of author>
This program is free software; you can redistribute it and/or modify
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Yoyodyne, Inc., hereby disclaims all copyright interest in the program
`Gnomovision' (which makes passes at compilers) written by James Hacker.
<signature of Ty Coon>, 1 April 1989
Ty Coon, President of Vice
This General Public License does not permit incorporating your program into
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consider it more useful to permit linking proprietary applications with the
library. If this is what you want to do, use the GNU Library General
Public License instead of this License.
src/scanbuttond-0.2.3/ChangeLog deleted 100644 → 0
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0.2.3, released Feb 17, 2006
----------------------------
* fixed snapscan backend (protocol sync)
* added mustek and plustek_umax backends
* support for some new scanners
* Switched to autoconf/automake
* Changed directory/file layout
0.2.2, released Jun 6, 2005
---------------------------
* added snapscan backend
* added niash backend
* support for scanner initialization script
* lots of bugs fixed
* command line option support
* libusb wrapper moved into own dynamic library
* scanbuttond now uses dynamic backend loading
0.2.1, released Mar 14, 2005
----------------------------
* added plustek and meta backend
* added support for more scanners to the epson backend
* SIGSEGV bug fixed, scanner hotplugging seems to work now
* using /etc/scanbuttond as config file directory
0.2, released Dec 31, 2004
--------------------------
* new, modular architecture
* support for multiple scanners
* several bugfixes
0.1, released Oct 17, 2004
--------------------------
* first public version
src/scanbuttond-0.2.3/INSTALL deleted 100644 → 0
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Basic Installation
==================
These are generic installation instructions.
The `configure' shell script attempts to guess correct values for
various system-dependent variables used during compilation. It uses
those values to create a `Makefile' in each directory of the package.
It may also create one or more `.h' files containing system-dependent
definitions. Finally, it creates a shell script `config.status' that
you can run in the future to recreate the current configuration, a file
`config.cache' that saves the results of its tests to speed up
reconfiguring, and a file `config.log' containing compiler output
(useful mainly for debugging `configure').
If you need to do unusual things to compile the package, please try
to figure out how `configure' could check whether to do them, and mail
diffs or instructions to the address given in the `README' so they can
be considered for the next release. If at some point `config.cache'
contains results you don't want to keep, you may remove or edit it.
The file `configure.in' is used to create `configure' by a program
called `autoconf'. You only need `configure.in' if you want to change
it or regenerate `configure' using a newer version of `autoconf'.
The simplest way to compile this package is:
1. `cd' to the directory containing the package's source code and type
`./configure' to configure the package for your system. If you're
using `csh' on an old version of System V, you might need to type
`sh ./configure' instead to prevent `csh' from trying to execute
`configure' itself.
Running `configure' takes awhile. While running, it prints some
messages telling which features it is checking for.
2. Type `make' to compile the package.
3. Optionally, type `make check' to run any self-tests that come with
the package.
4. Type `make install' to install the programs and any data files and
documentation.
5. You can remove the program binaries and object files from the
source code directory by typing `make clean'. To also remove the
files that `configure' created (so you can compile the package for
a different kind of computer), type `make distclean'. There is
also a `make maintainer-clean' target, but that is intended mainly
for the package's developers. If you use it, you may have to get
all sorts of other programs in order to regenerate files that came
with the distribution.
Compilers and Options
=====================
Some systems require unusual options for compilation or linking that
the `configure' script does not know about. You can give `configure'
initial values for variables by setting them in the environment. Using
a Bourne-compatible shell, you can do that on the command line like
this:
CC=c89 CFLAGS=-O2 LIBS=-lposix ./configure
Or on systems that have the `env' program, you can do it like this:
env CPPFLAGS=-I/usr/local/include LDFLAGS=-s ./configure
Compiling For Multiple Architectures
====================================
You can compile the package for more than one kind of computer at the
same time, by placing the object files for each architecture in their
own directory. To do this, you must use a version of `make' that
supports the `VPATH' variable, such as GNU `make'. `cd' to the
directory where you want the object files and executables to go and run
the `configure' script. `configure' automatically checks for the
source code in the directory that `configure' is in and in `..'.
If you have to use a `make' that does not supports the `VPATH'
variable, you have to compile the package for one architecture at a time
in the source code directory. After you have installed the package for
one architecture, use `make distclean' before reconfiguring for another
architecture.
Installation Names
==================
By default, `make install' will install the package's files in
`/usr/local/bin', `/usr/local/man', etc. You can specify an
installation prefix other than `/usr/local' by giving `configure' the
option `--prefix=PATH'.
You can specify separate installation prefixes for
architecture-specific files and architecture-independent files. If you
give `configure' the option `--exec-prefix=PATH', the package will use
PATH as the prefix for installing programs and libraries.
Documentation and other data files will still use the regular prefix.
In addition, if you use an unusual directory layout you can give
options like `--bindir=PATH' to specify different values for particular
kinds of files. Run `configure --help' for a list of the directories
you can set and what kinds of files go in them.
If the package supports it, you can cause programs to be installed
with an extra prefix or suffix on their names by giving `configure' the
option `--program-prefix=PREFIX' or `--program-suffix=SUFFIX'.
Optional Features
=================
Some packages pay attention to `--enable-FEATURE' options to
`configure', where FEATURE indicates an optional part of the package.
They may also pay attention to `--with-PACKAGE' options, where PACKAGE
is something like `gnu-as' or `x' (for the X Window System). The
`README' should mention any `--enable-' and `--with-' options that the
package recognizes.
For packages that use the X Window System, `configure' can usually
find the X include and library files automatically, but if it doesn't,
you can use the `configure' options `--x-includes=DIR' and
`--x-libraries=DIR' to specify their locations.
Specifying the System Type
==========================
There may be some features `configure' can not figure out
automatically, but needs to determine by the type of host the package
will run on. Usually `configure' can figure that out, but if it prints
a message saying it can not guess the host type, give it the
`--host=TYPE' option. TYPE can either be a short name for the system
type, such as `sun4', or a canonical name with three fields:
CPU-COMPANY-SYSTEM
See the file `config.sub' for the possible values of each field. If
`config.sub' isn't included in this package, then this package doesn't
need to know the host type.
If you are building compiler tools for cross-compiling, you can also
use the `--target=TYPE' option to select the type of system they will
produce code for and the `--build=TYPE' option to select the type of
system on which you are compiling the package.
Sharing Defaults
================
If you want to set default values for `configure' scripts to share,
you can create a site shell script called `config.site' that gives
default values for variables like `CC', `cache_file', and `prefix'.
`configure' looks for `PREFIX/share/config.site' if it exists, then
`PREFIX/etc/config.site' if it exists. Or, you can set the
`CONFIG_SITE' environment variable to the location of the site script.
A warning: not all `configure' scripts look for a site script.
Operation Controls
==================
`configure' recognizes the following options to control how it
operates.
`--cache-file=FILE'
Use and save the results of the tests in FILE instead of
`./config.cache'. Set FILE to `/dev/null' to disable caching, for
debugging `configure'.
`--help'
Print a summary of the options to `configure', and exit.
`--quiet'
`--silent'
`-q'
Do not print messages saying which checks are being made. To
suppress all normal output, redirect it to `/dev/null' (any error
messages will still be shown).
`--srcdir=DIR'
Look for the package's source code in directory DIR. Usually
`configure' can determine that directory automatically.
`--version'
Print the version of Autoconf used to generate the `configure'
script, and exit.
`configure' also accepts some other, not widely useful, options.
src/scanbuttond-0.2.3/Makefile.am deleted 100644 → 0
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SUBDIRS = contrib interface backends scripts .
pkgsysconfdir = $(sysconfdir)/$(PACKAGE)
bin_PROGRAMS = scanbuttond
scanbuttond_SOURCES = scanbuttond.c lib/loader.c include/scanbuttond/backend.h include/scanbuttond/scanbuttond.h include/scanbuttond/common.h
scanbuttond_LDFLAGS = -ldl
INCLUDES = $(all_includes) -I$(top_builddir)/include -I.
src/scanbuttond-0.2.3/Makefile.in deleted 100644 → 0
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This diff is collapsed.
src/scanbuttond-0.2.3/README deleted 100644 → 0
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Scanner Button Daemon (scanbuttond), Version 0.2.3
==================================================
First things first
------------------
This software is in its very early stages of development. Although this daemon
seems to work for most people, there may still be lots of critical bugs.
Be prepared for the worst!
Introduction
------------
Modern scanners usually have several front panel buttons which are intended to
trigger certain actions like copying, faxing or mailing the scanned document.
This daemon monitors the scanner's buttons and runs a shell script whenever one
of these buttons has been pressed. Because it is accessing the scanner directly
via libusb, there should be no conflicts with SANE or other scanner drivers:
scanbuttond simply won't touch the scanner hardware while you are using SANE.
Requirements
------------
* Scanner: see "supported scanners" below
* Operating system: Linux (and perhaps other Unix-like systems)
* Connection: USB (using libusb, the scanner kernel module is currently
unsupported)
Compilation & Installation
--------------------------
Since version 0.2.3, scanbuttond uses the GNU autotools for compilation &
installation. Please see the file INSTALL for generic instructions on using
them.
If you are using a CVS version instead of a release, you may have to bootstrap
the package. This can be done by running:
"aclocal; autoconf; autoheader; automake -a; libtoolize".
You should now be able to run ./configure and make.
After you have installed scanbuttond, you should run "ldconfig" to update the
cache of the dynamic linker. If you forget to do that, scanbuttond probably
won't be able to load the backend modules or resolve the dependencies between
them!
Usage
-----
If you just want to try out scanbuttond, type
> scanbuttond
If everyhing works, scanbuttond will fork() to background. To see what
scanbuttond is doing, you can have a look at your system log, for example
/var/log/everything/current (for Gentoo Linux systems running metalog).
To terminate scanbuttond, type
> killall scanbuttond
That should do the job. Scanbuttond installs a signal handler which should
ensure a clean shutdown even when it's killed.
If you intend to use scanbuttond seriously, you would probably want to write a
distribution-specific init-script for starting and stopping the daemon.
Supported scanners
------------------
Supported by the epson backend (via libusb):
* Epson Expression 1600 (expected to work)
* Epson Expression 1680 (expected to work)
* Epson Perfection 610 (expected to work)
* Epson Perfection 636U (expected to work)
* Epson Perfection 640 (expected to work)
* Epson Perfection 1200U (expected to work)
* Epson Perfection 1240 (expected to work)
* Epson Perfection 1640 (expected to work)
* Epson Perfection 1650 (working, tested)
* Epson Perfection 1660 (working, tested)
* Epson Perfection 2400 (working, tested)
* Epson Perfection 2450 (expected to work)
* Epson Perfection 3200 (expected to work)
* Epson CX3200 (working, tested)
Supported by the mustek backend (via libusb):
* Mustek BearPaw 2448TA (experimental)
Supported by the niash backend (via libusb):
* Agfa Snapscan Touch (expected to work)
* HP Scanjet 3300c (expected to work)
* HP Scanjet 3400c (expected to work)
* HP Scanjet 4300c (expected to work)
Supported by the plustek backend (via libusb):
* Canon CanoScan N1220U (expected to work)
* Canon CanoScan D660U (expected to work)
* Canon CanoScan N650U (expected to work)
* Canon CanoScan LiDE 20 (experimental)
* Canon CanoScan LiDE 25 (experimental)
* Canon CanoScan LiDE 30 (experimental)
* Epson Perfection 1260 (experimental)
* Hewlett-Packard ScanJet 2200c (experimental)
Supported by the plustek_umax backend (via libusb):
* UMAX Astra 3400/3450 (experimental)
Supported by the snapscan backend (via libusb):
* Epson Perfection 2480 (expected to work)
* Epson Perfection 2580 (expected to work)
* Epson Perfection 1670 (working, tested)
Note: the mustek, niash, plustek, plustek_umax and snapscan backends were
implemented using information gathered by "sniffing" the communication between
the Windows driver and the scanner, because there is no technical documentation
available for these devices! This means that there may be some weird issues
(e.g. button press events reported twice).
How to link actions to buttons
------------------------------
Whenever a scanner button has been pressed, scanbuttond starts a shell script
and passes it the button number and the SANE scanner name as command line
arguments. By default, this shell script is installed as
"/usr/local/etc/scanbuttond/buttonpressed.sh". Please modify it to fit your
purposes.
Scanner initialization
----------------------
Note: this only applies to some scanners supported by the non-epson backends.
All scanners supported by the epson backend do not need special initialization.
Some scanners require a special initialization procedure (firmware uploading,
for example) before they can be used by scanbuttond. Since the scanbuttond
backend modules cannot yet handle such operations, the initialization has to be
performed by external programs, for example by "scanimage" which is part of
SANE. You can customize the initialization procedure by editing the scanner
initialization script, which is by default installed at
"/usr/local/etc/scanbuttond/initscanner.sh". This script will be executed
whenever a new device has to be initialized. In most cases, it should be
sufficient to put something like "scanimage -n" into this script.
How to contribute to this project
---------------------------------
The development of scanbuttond should not be dependent on one single person,
but a community effort.
You could help by ...
* adding or enhancing a scanner backend
* adding or enhancing a connection interface
* doing some extensive testing
* sending patches
* sending bug reports
* mailing ideas how to enhance scanbuttond
* ...
If you want to help, please send me an email (see below).
Contact
-------
Any suggestions, criticism, bug reports/fixes, patches, ... are appreciated.
Feel free to contact me via email:
Bernhard Stiftner <root84@users.sourceforge.net>
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lib_LTLIBRARIES = libscanbtnd-backend_epson.la \
libscanbtnd-backend_meta.la \
libscanbtnd-backend_mustek.la \
libscanbtnd-backend_niash.la \
libscanbtnd-backend_plustek.la \
libscanbtnd-backend_plustek_umax.la \
libscanbtnd-backend_snapscan.la
libscanbtnd_backend_epson_la_SOURCES = epson.c epson.h
libscanbtnd_backend_epson_la_LIBADD = ../interface/libscanbtnd-interface_usb.la
libscanbtnd_backend_epson_la_LDFLAGS = -version-info 1:0:0
libscanbtnd_backend_meta_la_SOURCES = meta.c meta.h ../lib/loader.c ../include/scanbuttond/loader.h ../include/scanbuttond/common.h
libscanbtnd_backend_meta_la_LIBADD = ../interface/libscanbtnd-interface_usb.la
libscanbtnd_backend_meta_la_LDFLAGS = -version-info 1:0:0 -ldl
libscanbtnd_backend_mustek_la_SOURCES = mustek.c mustek.h
libscanbtnd_backend_mustek_la_LIBADD = ../interface/libscanbtnd-interface_usb.la
libscanbtnd_backend_mustek_la_LDFLAGS = -version-info 1:0:0
libscanbtnd_backend_niash_la_SOURCES = niash.c niash.h
libscanbtnd_backend_niash_la_LIBADD = ../interface/libscanbtnd-interface_usb.la
libscanbtnd_backend_niash_la_LDFLAGS = -version-info 1:0:0
libscanbtnd_backend_plustek_la_SOURCES = plustek.c plustek.h
libscanbtnd_backend_plustek_la_LIBADD = ../interface/libscanbtnd-interface_usb.la
libscanbtnd_backend_plustek_la_LDFLAGS = -version-info 1:0:0
libscanbtnd_backend_plustek_umax_la_SOURCES = plustek_umax.c plustek_umax.h
libscanbtnd_backend_plustek_umax_la_LIBADD = ../interface/libscanbtnd-interface_usb.la
libscanbtnd_backend_plustek_umax_la_LDFLAGS = -version-info 1:0:0
libscanbtnd_backend_snapscan_la_SOURCES = snapscan.c snapscan.h
libscanbtnd_backend_snapscan_la_LIBADD = ../interface/libscanbtnd-interface_usb.la
libscanbtnd_backend_snapscan_la_LDFLAGS = -version-info 1:0:0
pkgsysconfdir = $(sysconfdir)/$(PACKAGE)
pkgsysconf_DATA = meta.conf
EXTRA_DIST = $(pkgsysconf_DATA)
INCLUDES = $(all_includes) -I$(top_builddir)/include -I.
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src/scanbuttond-0.2.3/backends/epson.c deleted 100644 → 0
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// epson.c: Epson ESC/I device backend
// This file is part of scanbuttond.
// Copyleft )c( 2004-2006 by Bernhard Stiftner
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License as
// published by the Free Software Foundation; either version 2 of the
// License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
//
// Thanks to:
// - James Gilliland (Epson CX3200 support)
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <errno.h>
#include <syslog.h>
#include "scanbuttond/scanbuttond.h"
#include "scanbuttond/libusbi.h"
#include "epson.h"
#define ESC 0x1B /* ASCII value for ESC */
static char* backend_name = "Epson USB";
#define NUM_SUPPORTED_USB_DEVICES 14
static int supported_usb_devices[NUM_SUPPORTED_USB_DEVICES][3] = {
// vendor, product, num_buttons
{ 0x04B8, 0x0107, 1 }, // Epson Expression 1600
{ 0x04B8, 0x010E, 1 }, // Epson Expression 1680
{ 0x04B8, 0x0103, 1 }, // Epson Perfection 610
{ 0x04B8, 0x0101, 3 }, // Epson Perfection 636U
{ 0x04B8, 0x010C, 3 }, // Epson Perfection 640
{ 0x04B8, 0x0104, 1 }, // Epson Perfection 1200U
{ 0x04B8, 0x010B, 3 }, // Epson Perfection 1240
{ 0x04B8, 0x010A, 1 }, // Epson Perfection 1640
{ 0x04B8, 0x0110, 4 }, // Epson Perfection 1650
{ 0x04B8, 0x011E, 4 }, // Epson Perfection 1660
{ 0x04B8, 0x011B, 4 }, // Epson Perfection 2400
{ 0x04B8, 0x0112, 1 }, // Epson Perfection 2450
{ 0x04B8, 0x011C, 1 }, // Epson Perfection 3200
{ 0x04B8, 0x0802, 1 } // Epson CX3200 (note: is the button number
// really correct?)
};
static char* usb_device_descriptions[NUM_SUPPORTED_USB_DEVICES][2] = {
{ "Epson", "Expression 1600"},
{ "Epson", "Expression 1680"},
{ "Epson", "Perfection 610"},
{ "Epson", "Perfection 636U"},
{ "Epson", "Perfection 640"},
{ "Epson", "Perfection 1200U"},
{ "Epson", "Perfection 1240"},
{ "Epson", "Perfection 1640"},
{ "Epson", "Perfection 1650"},
{ "Epson", "Perfection 1660"},
{ "Epson", "Perfection 2400"},
{ "Epson", "Perfection 2450"},
{ "Epson", "Perfection 3200"},
{ "Epson", "Stylus CX3200"}
};
libusb_handle_t* libusb_handle;
scanner_t* epson_scanners = NULL;
// returns -1 if the scanner is unsupported, or the index of the
// corresponding vendor-product pair in the supported_usb_devices array.
int epson_match_libusb_scanner(libusb_device_t* device)
{
int index;
for (index = 0; index < NUM_SUPPORTED_USB_DEVICES; index++) {
if (supported_usb_devices[index][0] == device->vendorID &&
supported_usb_devices[index][1] == device->productID) {
break;
}
}
if (index >= NUM_SUPPORTED_USB_DEVICES) return -1;
return index;
}
void epson_attach_libusb_scanner(libusb_device_t* device)
{
const char* descriptor_prefix = "epson:libusb:";
int index = epson_match_libusb_scanner(device);
if (index < 0) return; // unsupported
scanner_t* scanner = (scanner_t*)malloc(sizeof(scanner_t));
scanner->vendor = usb_device_descriptions[index][0];
scanner->product = usb_device_descriptions[index][1];
scanner->connection = CONNECTION_LIBUSB;
scanner->internal_dev_ptr = (void*)device;
scanner->lastbutton = 0;
scanner->sane_device = (char*)malloc(strlen(device->location) +
strlen(descriptor_prefix) + 1);
strcpy(scanner->sane_device, descriptor_prefix);
strcat(scanner->sane_device, device->location);
scanner->num_buttons = supported_usb_devices[index][2];
scanner->is_open = 0;
scanner->next = epson_scanners;
epson_scanners = scanner;
}
void epson_detach_scanners(void)
{
scanner_t* next;
while (epson_scanners != NULL) {
next = epson_scanners->next;
free(epson_scanners->sane_device);
free(epson_scanners);
epson_scanners = next;
}
}
void epson_scan_devices(libusb_device_t* devices)
{
int index;
libusb_device_t* device = devices;
while (device != NULL) {
index = epson_match_libusb_scanner(device);
if (index >= 0)
epson_attach_libusb_scanner(device);
device = device->next;
}
}
int epson_init_libusb(void)
{
libusb_device_t* devices;
libusb_handle = libusb_init();
devices = libusb_get_devices(libusb_handle);
epson_scan_devices(devices);
return 0;
}
const char* scanbtnd_get_backend_name(void)
{
return backend_name;
}
int scanbtnd_init(void)
{
epson_scanners = NULL;
syslog(LOG_INFO, "epson-backend: init");
return epson_init_libusb();
}
int scanbtnd_rescan(void)
{
libusb_device_t *devices;
epson_detach_scanners();
epson_scanners = NULL;
libusb_rescan(libusb_handle);
devices = libusb_get_devices(libusb_handle);
epson_scan_devices(devices);
return 0;
}
const scanner_t* scanbtnd_get_supported_devices(void)
{
return epson_scanners;
}
int scanbtnd_open(scanner_t* scanner)
{
int result = -ENOSYS;
if (scanner->is_open)
return -EINVAL;
switch (scanner->connection) {
case CONNECTION_LIBUSB:
// if devices have been added/removed, return -ENODEV to
// make scanbuttond update its device list
if (libusb_get_changed_device_count() != 0)
return -ENODEV;
result = libusb_open((libusb_device_t*)scanner->internal_dev_ptr);
break;
}
if (result == 0)
scanner->is_open = 1;
return result;
}
int scanbtnd_close(scanner_t* scanner)
{
int result = -ENOSYS;
if (!scanner->is_open)
return -EINVAL;
switch (scanner->connection) {
case CONNECTION_LIBUSB:
result = libusb_close((libusb_device_t*)scanner->internal_dev_ptr);
break;
}
if (result == 0)
scanner->is_open = 0;
return result;
}
int epson_read(scanner_t* scanner, void* buffer, int bytecount)
{
switch (scanner->connection) {
case CONNECTION_LIBUSB:
return libusb_read((libusb_device_t*)scanner->internal_dev_ptr,
buffer, bytecount);
break;
}
return -1;
}
int epson_write(scanner_t* scanner, void* buffer, int bytecount)
{
switch (scanner->connection) {
case CONNECTION_LIBUSB:
return libusb_write((libusb_device_t*)scanner->internal_dev_ptr,
buffer, bytecount);
break;
}
return -1;
}
void epson_flush(scanner_t* scanner)
{
switch (scanner->connection) {
case CONNECTION_LIBUSB:
libusb_flush((libusb_device_t*)scanner->internal_dev_ptr);
break;
}
}
int scanbtnd_get_button(scanner_t* scanner)
{
unsigned char bytes[255];
int rcv_len;
int num_bytes;
bytes[0] = ESC;
bytes[1] = '!';
bytes[2] = '\0';
if (!scanner->is_open)
return -EINVAL;
num_bytes = epson_write(scanner, (void*)bytes, 2);
if (num_bytes != 2) {
epson_flush(scanner);
return 0;
}
num_bytes = epson_read(scanner, (void*)bytes, 4);
if (num_bytes != 4) {
epson_flush(scanner);
return 0;
}
rcv_len = bytes[3] << 8 | bytes[2];
num_bytes = epson_read(scanner, (void*)bytes, rcv_len);
if (num_bytes != rcv_len) {
epson_flush(scanner);
return 0;
}
return bytes[0];
}
const char* scanbtnd_get_sane_device_descriptor(scanner_t* scanner)
{
return scanner->sane_device;
}
int scanbtnd_exit(void)
{
syslog(LOG_INFO, "epson-backend: exit");
epson_detach_scanners();
libusb_exit(libusb_handle);
return 0;
}
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// epson.h: Epson ESC/I device backend
// This file is part of scanbuttond.
// Copyleft )c( 2004-2005 by Bernhard Stiftner
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License as
// published by the Free Software Foundation; either version 2 of the
// License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
#ifndef __EPSON_H_INCLUDED
#define __EPSON_H_INCLUDED
#include "scanbuttond/backend.h"
#endif
src/scanbuttond-0.2.3/backends/meta.c deleted 100644 → 0
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// meta.c: meta backend ("dynamic backend loader")
// This file is part of scanbuttond.
// Copyleft )c( 2005-2006 by Bernhard Stiftner
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License as
// published by the Free Software Foundation; either version 2 of the
// License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <syslog.h>
#include <dlfcn.h>
#include <errno.h>
#include "scanbuttond/common.h"
#include "scanbuttond/scanbuttond.h"
#include "scanbuttond/libusbi.h"
#include "meta.h"
#define MAX_CONFIG_LINE 255
#define MAX_SCANNERS_PER_BACKEND 16
static char* backend_name = "Dynamic Module Loader";
static char* config_file = STRINGIFY(CFG_DIR) "/meta.conf";
static char* lib_dir = STRINGIFY(LIB_DIR);
libusb_handle_t* libusb_handle;
scanner_t* meta_scanners = NULL;
backend_t* meta_backends = NULL;
const char* scanbtnd_get_backend_name(void)
{
return backend_name;
}
void meta_attach_scanner(scanner_t* scanner, backend_t* backend)
{
scanner_t* dev = (scanner_t*)malloc(sizeof(scanner_t));
dev->vendor = scanner->vendor;
dev->product = scanner->product;
dev->connection = scanner->connection;
dev->internal_dev_ptr = scanner->internal_dev_ptr;
dev->sane_device = scanner->sane_device;
dev->meta_info = (void*)backend;
dev->lastbutton = scanner->lastbutton;
dev->num_buttons = scanner->num_buttons;
dev->is_open = scanner->is_open;
dev->next = meta_scanners;
meta_scanners = dev;
syslog(LOG_INFO, "meta-backend: attached scanner \"%s %s\"",
scanner->vendor, scanner->product);
}
void meta_attach_scanners(scanner_t* devices, backend_t* backend)
{
scanner_t* dev = devices;
int count = 0;
while (dev != NULL) {
if (count >= MAX_SCANNERS_PER_BACKEND) {
syslog(LOG_WARNING, "meta-backend: refusing to attach scanner \"%s %s\": Too many scanners!",
dev->vendor, dev->product);
return;
}
meta_attach_scanner(dev, backend);
dev = dev->next;
count++;
}
}
void meta_detach_scanner(scanner_t* scanner, scanner_t* prev_scanner)
{
syslog(LOG_INFO, "meta-backend: detaching scanner: \"%s %s\"",
scanner->vendor, scanner->product);
if (prev_scanner != NULL)
prev_scanner->next = scanner->next;
else if (scanner == meta_scanners)
meta_scanners = scanner->next;
else
syslog(LOG_WARNING, "meta-backend: detach scanner: invalid arguments!");
free(scanner);
}
void meta_detach_scanners(void)
{
while (meta_scanners != NULL) {
meta_detach_scanner(meta_scanners, NULL);
}
}
int meta_attach_backend(backend_t* backend)
{
// don't load another meta backend
if (strcmp(backend->scanbtnd_get_backend_name(), scanbtnd_get_backend_name())==0) {
syslog(LOG_WARNING, "meta-backend: refusing to load another meta backend!");
return -1;
}
syslog(LOG_INFO, "meta-backend: attaching backend: %s",
backend->scanbtnd_get_backend_name());
backend->next = meta_backends;
meta_backends = backend;
backend->scanbtnd_init();
return 0;
}
void meta_detach_backend(backend_t* backend, backend_t* prev_backend)
{
if (prev_backend != NULL)
prev_backend->next = backend->next;
else if (backend == meta_backends)
meta_backends = backend->next;
else
syslog(LOG_WARNING, "meta-backend: detach backend: invalid arguments!");
backend->scanbtnd_exit();
unload_backend(backend);
}
void meta_detach_backends(void)
{
while (meta_backends != NULL) {
meta_detach_backend(meta_backends, NULL);
}
}
backend_t* meta_lookup_backend(scanner_t* scanner)
{
return (backend_t*)scanner->meta_info;
}
void meta_strip_newline(char* str)
{
int len = strlen(str);
if (len == 0) return;
if (str[len-1] != '\n') return;
str[len-1] = 0;
}
int scanbtnd_init(void)
{
meta_scanners = NULL;
meta_backends = NULL;
syslog(LOG_INFO, "meta-backend: init");
libusb_handle = libusb_init();
// read config file
char lib[MAX_CONFIG_LINE];
backend_t* backend;
FILE* f = fopen(config_file, "r");
if (f == NULL) {
syslog(LOG_ERR, "meta-backend: config file \"%s\" not found.",
config_file);
return -1;
}
while (fgets(lib, MAX_CONFIG_LINE, f)) {
meta_strip_newline(lib);
if (strlen(lib)==0) continue;
char* libpath = (char*)malloc(strlen(lib) + strlen(lib_dir) + 2);
strcpy(libpath, lib_dir);
strcat(libpath, "/");
strcat(libpath, lib);
backend = load_backend(libpath);
free(libpath);
if (backend != NULL && meta_attach_backend(backend)==0) {
meta_attach_scanners(backend->scanbtnd_get_supported_devices(),
backend);
}
}
fclose(f);
return 0;
}
int scanbtnd_rescan(void)
{
backend_t* backend;
meta_detach_scanners();
meta_scanners = NULL;
backend = meta_backends;
while (backend != NULL) {
backend->scanbtnd_rescan();
meta_attach_scanners(backend->scanbtnd_get_supported_devices(),
backend);
backend = backend->next;
}
return 0;
}
const scanner_t* scanbtnd_get_supported_devices(void)
{
return meta_scanners;
}
int scanbtnd_open(scanner_t* scanner)
{
// if devices have been added/removed, return -ENODEV to
// make scanbuttond update its device list
if (libusb_get_changed_device_count() != 0) {
return -ENODEV;
}
backend_t* backend = meta_lookup_backend(scanner);
if (backend == NULL) return -1;
return backend->scanbtnd_open(scanner);
}
int scanbtnd_close(scanner_t* scanner)
{
backend_t* backend = meta_lookup_backend(scanner);
if (backend == NULL) return -1;
return backend->scanbtnd_close(scanner);
}
int scanbtnd_get_button(scanner_t* scanner)
{
backend_t* backend = meta_lookup_backend(scanner);
if (backend == NULL) return 0;
return backend->scanbtnd_get_button(scanner);
}
const char* scanbtnd_get_sane_device_descriptor(scanner_t* scanner)
{
backend_t* backend = meta_lookup_backend(scanner);
if (backend == NULL) return NULL;
return backend->scanbtnd_get_sane_device_descriptor(scanner);
}
int scanbtnd_exit(void)
{
syslog(LOG_INFO, "meta-backend: exit");
meta_detach_scanners();
meta_detach_backends();
libusb_exit(libusb_handle);
return 0;
}
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libscanbtnd-backend_epson.so
libscanbtnd-backend_plustek.so
libscanbtnd-backend_plustek_umax.so
libscanbtnd-backend_snapscan.so
libscanbtnd-backend_niash.so
libscanbtnd-backend_mustek.so
src/scanbuttond-0.2.3/backends/meta.h deleted 100644 → 0
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// meta.h: meta backend ("dynamic backend loader")
// This file is part of scanbuttond.
// Copyleft )c( 2005 by Bernhard Stiftner
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License as
// published by the Free Software Foundation; either version 2 of the
// License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
#ifndef __META_H_INCLUDED
#define __META_H_INCLUDED
#include "scanbuttond/backend.h"
#include "scanbuttond/loader.h"
#endif
src/scanbuttond-0.2.3/backends/mustek.c deleted 100644 → 0
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// mustek.c : scanbuttond backend for mustek/gt68xx devices
// This file is part of scanbuttond.
// Copyleft )c( 2006 by Bernhard Stiftner
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License as
// published by the Free Software Foundation; either version 2 of the
// License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
//
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <errno.h>
#include <syslog.h>
#include "scanbuttond/scanbuttond.h"
#include "scanbuttond/libusbi.h"
#include "mustek.h"
static char* backend_name = "Mustek USB";
#define NUM_SUPPORTED_USB_DEVICES 1
static int supported_usb_devices[NUM_SUPPORTED_USB_DEVICES][3] = {
// vendor, product, num_buttons
{ 0x055f, 0x0409, 5 } // Mustek BearPaw 2448TA
};
static char* usb_device_descriptions[NUM_SUPPORTED_USB_DEVICES][2] = {
{ "Mustek", "BearPaw 2448TA"}
};
libusb_handle_t* libusb_handle;
scanner_t* mustek_scanners = NULL;
// returns -1 if the scanner is unsupported, or the index of the
// corresponding vendor-product pair in the supported_usb_devices array.
int mustek_match_libusb_scanner(libusb_device_t* device)
{
int index;
for (index = 0; index < NUM_SUPPORTED_USB_DEVICES; index++) {
if (supported_usb_devices[index][0] == device->vendorID &&
supported_usb_devices[index][1] == device->productID) {
break;
}
}
if (index >= NUM_SUPPORTED_USB_DEVICES) return -1;
return index;
}
void mustek_attach_libusb_scanner(libusb_device_t* device)
{
const char* descriptor_prefix = "mustek:libusb:";
int index = mustek_match_libusb_scanner(device);
if (index < 0) return; // unsupported
scanner_t* scanner = (scanner_t*)malloc(sizeof(scanner_t));
scanner->vendor = usb_device_descriptions[index][0];
scanner->product = usb_device_descriptions[index][1];
scanner->connection = CONNECTION_LIBUSB;
scanner->internal_dev_ptr = (void*)device;
scanner->lastbutton = 0;
scanner->sane_device = (char*)malloc(strlen(device->location) +
strlen(descriptor_prefix) + 1);
strcpy(scanner->sane_device, descriptor_prefix);
strcat(scanner->sane_device, device->location);
scanner->num_buttons = supported_usb_devices[index][2];
scanner->is_open = 0;
scanner->next = mustek_scanners;
mustek_scanners = scanner;
}
void mustek_detach_scanners(void)
{
scanner_t* next;
while (mustek_scanners != NULL) {
next = mustek_scanners->next;
free(mustek_scanners->sane_device);
free(mustek_scanners);
mustek_scanners = next;
}
}
void mustek_scan_devices(libusb_device_t* devices)
{
int index;
libusb_device_t* device = devices;
while (device != NULL) {
index = mustek_match_libusb_scanner(device);
if (index >= 0)
mustek_attach_libusb_scanner(device);
device = device->next;
}
}
int mustek_init_libusb(void)
{
libusb_device_t* devices;
libusb_handle = libusb_init();
devices = libusb_get_devices(libusb_handle);
mustek_scan_devices(devices);
return 0;
}
const char* scanbtnd_get_backend_name(void)
{
return backend_name;
}
int scanbtnd_init(void)
{
mustek_scanners = NULL;
syslog(LOG_INFO, "mustek-backend: init");
return mustek_init_libusb();
}
int scanbtnd_rescan(void)
{
libusb_device_t *devices;
mustek_detach_scanners();
mustek_scanners = NULL;
libusb_rescan(libusb_handle);
devices = libusb_get_devices(libusb_handle);
mustek_scan_devices(devices);
return 0;
}
const scanner_t* scanbtnd_get_supported_devices(void)
{
return mustek_scanners;
}
int scanbtnd_open(scanner_t* scanner)
{
int result = -ENOSYS;
if (scanner->is_open)
return -EINVAL;
switch (scanner->connection) {
case CONNECTION_LIBUSB:
// if devices have been added/removed, return -ENODEV to
// make scanbuttond update its device list
if (libusb_get_changed_device_count() != 0)
return -ENODEV;
result = libusb_open((libusb_device_t*)scanner->internal_dev_ptr);
break;
}
if (result == 0)
scanner->is_open = 1;
return result;
}
int scanbtnd_close(scanner_t* scanner)
{
int result = -ENOSYS;
if (!scanner->is_open)
return -EINVAL;
switch (scanner->connection) {
case CONNECTION_LIBUSB:
result = libusb_close((libusb_device_t*)scanner->internal_dev_ptr);
break;
}
if (result == 0)
scanner->is_open = 0;
return result;
}
int mustek_read(scanner_t* scanner, void* buffer, int bytecount)
{
switch (scanner->connection) {
case CONNECTION_LIBUSB:
return libusb_read((libusb_device_t*)scanner->internal_dev_ptr,
buffer, bytecount);
break;
}
return -1;
}
int mustek_write(scanner_t* scanner, void* buffer, int bytecount)
{
switch (scanner->connection) {
case CONNECTION_LIBUSB:
return libusb_write((libusb_device_t*)scanner->internal_dev_ptr,
buffer, bytecount);
break;
}
return -1;
}
void mustek_flush(scanner_t* scanner)
{
switch (scanner->connection) {
case CONNECTION_LIBUSB:
libusb_flush((libusb_device_t*)scanner->internal_dev_ptr);
break;
}
}
int scanbtnd_get_button(scanner_t* scanner)
{
unsigned char bytes[255];
int num_bytes;
bytes[0] = 0x74; // check function key
if (!scanner->is_open)
return -EINVAL;
num_bytes = mustek_write(scanner, (void*)bytes, 1);
if (num_bytes != 1) {
mustek_flush(scanner);
return 0;
}
num_bytes = mustek_read(scanner, (void*)bytes, 4);
if (num_bytes != 4) {
mustek_flush(scanner);
return 0;
}
switch (bytes[2]) {
case 0x10: // scan button
return 1;
case 0x14: // copy
return 2;
case 0x12: // fax
return 3;
case 0x18: // email
return 4;
case 0x11: // panel
return 5;
}
return 0;
}
const char* scanbtnd_get_sane_device_descriptor(scanner_t* scanner)
{
return scanner->sane_device;
}
int scanbtnd_exit(void)
{
syslog(LOG_INFO, "mustek-backend: exit");
mustek_detach_scanners();
libusb_exit(libusb_handle);
return 0;
}
src/scanbuttond-0.2.3/backends/mustek.h deleted 100644 → 0
View file @ 0fe94fc2
// mustek.h : scanbuttond backend for mustek/gt68xx devices
// This file is part of scanbuttond.
// Copyleft )c( 2006 by Bernhard Stiftner
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License as
// published by the Free Software Foundation; either version 2 of the
// License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
#ifndef __MUSTEK_H_INCLUDED
#define __MUSTEK_H_INCLUDED
#include "scanbuttond/backend.h"
#endif
src/scanbuttond-0.2.3/backends/niash.c deleted 100644 → 0
View file @ 0fe94fc2
// niash.c: Niash device backend
// This file is part of scanbuttond.
// Copyleft )c( 2005 by Bernhard Stiftner
// Copyleft )c( 2005 by Dirk Wriedt
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License as
// published by the Free Software Foundation; either version 2 of the
// License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <errno.h>
#include <syslog.h>
#include "scanbuttond/scanbuttond.h"
#include "scanbuttond/libusbi.h"
#include "niash.h"
static char* backend_name = "Niash USB";
#define NUM_SUPPORTED_USB_DEVICES 4
static int supported_usb_devices[NUM_SUPPORTED_USB_DEVICES][3] = {
// vendor, product, num_buttons
{ 0x06bd, 0x0100, 4 }, // Agfa Snapscan Touch
{ 0x03f0, 0x0205, 2 }, // HP Scanjet 3300c
{ 0x03f0, 0x0405, 3 }, // HP Scanjet 3400c
{ 0x03f0, 0x0305, 3 } // HP Scanjet 4300c
};
// TODO: check if this backend really works on the Epson 2580 too...
static char* usb_device_descriptions[NUM_SUPPORTED_USB_DEVICES][2] = {
{ "Agfa", "Snapscan Touch" },
{ "Hewlett-Packard", "Scanjet 3300c" },
{ "Hewlett-Packard", "Scanjet 3400c" },
{ "Hewlett-Packard", "Scanjet 4300c" }
};
libusb_handle_t* libusb_handle;
scanner_t* niash_scanners = NULL;
// returns -1 if the scanner is unsupported, or the index of the
// corresponding vendor-product pair in the supported_usb_devices array.
int niash_match_libusb_scanner(libusb_device_t* device)
{
int index;
for (index = 0; index < NUM_SUPPORTED_USB_DEVICES; index++) {
if (supported_usb_devices[index][0] == device->vendorID &&
supported_usb_devices[index][1] == device->productID) {
break;
}
}
if (index >= NUM_SUPPORTED_USB_DEVICES) return -1;
return index;
}
// TODO: check if the descriptor matches the SANE device name!
void niash_attach_libusb_scanner(libusb_device_t* device)
{
const char* descriptor_prefix = "niash:libusb:";
int index = niash_match_libusb_scanner(device);
if (index < 0) return; // unsupported
scanner_t* scanner = (scanner_t*)malloc(sizeof(scanner_t));
scanner->vendor = usb_device_descriptions[index][0];
scanner->product = usb_device_descriptions[index][1];
scanner->connection = CONNECTION_LIBUSB;
scanner->internal_dev_ptr = (void*)device;
scanner->lastbutton = 0;
scanner->sane_device = (char*)malloc(strlen(device->location) +
strlen(descriptor_prefix) + 1);
strcpy(scanner->sane_device, descriptor_prefix);
strcat(scanner->sane_device, device->location);
scanner->num_buttons = supported_usb_devices[index][2];
scanner->is_open = 0;
scanner->next = niash_scanners;
niash_scanners = scanner;
}
void niash_detach_scanners(void)
{
scanner_t* next;
while (niash_scanners != NULL) {
next = niash_scanners->next;
free(niash_scanners->sane_device);
free(niash_scanners);
niash_scanners = next;
}
}
void niash_scan_devices(libusb_device_t* devices)
{
int index;
libusb_device_t* device = devices;
while (device != NULL) {
index = niash_match_libusb_scanner(device);
if (index >= 0)
niash_attach_libusb_scanner(device);
device = device->next;
}
}
int niash_init_libusb(void)
{
libusb_device_t* devices;
libusb_handle = libusb_init();
devices = libusb_get_devices(libusb_handle);
niash_scan_devices(devices);
return 0;
}
const char* scanbtnd_get_backend_name(void)
{
return backend_name;
}
int scanbtnd_init(void)
{
niash_scanners = NULL;
syslog(LOG_INFO, "niash-backend: init");
return niash_init_libusb();
}
int scanbtnd_rescan(void)
{
libusb_device_t* devices;
niash_detach_scanners();
niash_scanners = NULL;
libusb_rescan(libusb_handle);
devices = libusb_get_devices(libusb_handle);
niash_scan_devices(devices);
return 0;
}
const scanner_t* scanbtnd_get_supported_devices(void)
{
return niash_scanners;
}
int scanbtnd_open(scanner_t* scanner)
{
int result = -ENOSYS;
if (scanner->is_open)
return -EINVAL;
switch (scanner->connection) {
case CONNECTION_LIBUSB:
// if devices have been added/removed, return -ENODEV to
// make scanbuttond update its device list
if (libusb_get_changed_device_count() != 0)
return -ENODEV;
result = libusb_open((libusb_device_t*)scanner->internal_dev_ptr);
break;
}
if (result == 0)
scanner->is_open = 1;
return result;
}
int scanbtnd_close(scanner_t* scanner)
{
int result = -ENOSYS;
if (!scanner->is_open)
return -EINVAL;
switch (scanner->connection) {
case CONNECTION_LIBUSB:
result = libusb_close((libusb_device_t*)scanner->internal_dev_ptr);
break;
}
if (result == 0)
scanner->is_open = 0;
return result;
}
int niash_control_msg(scanner_t* scanner, int requesttype, int request,
int value, int index, void* buffer, int bytecount)
{
switch (scanner->connection) {
case CONNECTION_LIBUSB:
return libusb_control_msg((libusb_device_t*)scanner->internal_dev_ptr,
requesttype, request, value, index, buffer,
bytecount);
break;
}
return -1;
}
int scanbtnd_get_button(scanner_t* scanner)
{
unsigned char bytes[255];
int value[255];
int requesttype[255];
int num_bytes;
int button;
int i;
if (!scanner->is_open)
return -EINVAL;
/*
The button status seems to be held in Register 0x2e of the
scanner's USB - IEEE1284 bridge
I checked the usb sniffer logs against hp3300c_xfer.h (hp3300 sane backend)
and learned that the requests being submitted by the windows driver for
my Agfa Snapscan Touch seem to follow this schema:
request value data datasize
0x40 SPP_CONTROL (0x87) 0x14 1
0x40 EPP_ADDR (0x83) 0x2e 1
0x40 SPP_CONTROL (0x87) 0x34 1
0xc0 EPP_DATA_READ (0x84) returned 1
0x40 SPP_CONTROL (0x87) 0x14 1
The register can be read by setting the address with an EPP_ADDR call,
then issuing an EPP_DATA_READ call.
I don't know what the last request is for.
*/
requesttype[0]=0x40; bytes[0] = 0x14; value[0]=0x87; /* SPP_CONTROL */
requesttype[1]=0x40; bytes[1] = 0x2e; value[1]=0x83; /* EPP_ADDR */
requesttype[2]=0x40; bytes[2] = 0x34; value[2]=0x87; /* SPP_CONTROL */
requesttype[3]=0xc0; bytes[3] = 0xff; value[3]=0x84; /* EPP_DATA_READ */
requesttype[4]=0x40; bytes[4] = 0x14; value[4]=0x87; /* SPP_CONTROL */
for(i=0;i<5;i++) {
num_bytes=niash_control_msg(scanner, requesttype[i], 0x0c, value[i], 0, (void*)&bytes + i, 0x01);
if (num_bytes < 0 ) return 0;
}
switch (bytes[3]) {
case 0x02: button = 1; break;
case 0x04: button = 2; break;
case 0x08: button = 3; break;
case 0x10: button = 4; break;
default: button = 0; break;
};
return button;
}
const char* scanbtnd_get_sane_device_descriptor(scanner_t* scanner)
{
return scanner->sane_device;
}
int scanbtnd_exit(void)
{
syslog(LOG_INFO, "niash-backend: exit");
niash_detach_scanners();
libusb_exit(libusb_handle);
return 0;
}
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