kopia lustrzana https://gitlab.com/sane-project/backends
6384 wiersze
174 KiB
C
6384 wiersze
174 KiB
C
/* sane - Scanner Access Now Easy.
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Copyright (C) 2003 Oliver Rauch
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Copyright (C) 2003, 2004 Henning Meier-Geinitz <henning@meier-geinitz.de>
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Copyright (C) 2004 Gerhard Jaeger <gerhard@gjaeger.de>
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Copyright (C) 2004-2013 Stéphane Voltz <stef.dev@free.fr>
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Copyright (C) 2005 Philipp Schmid <philipp8288@web.de>
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Copyright (C) 2005-2009 Pierre Willenbrock <pierre@pirsoft.dnsalias.org>
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Copyright (C) 2006 Laurent Charpentier <laurent_pubs@yahoo.com>
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Copyright (C) 2010 Chris Berry <s0457957@sms.ed.ac.uk> and Michael Rickmann <mrickma@gwdg.de>
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for Plustek Opticbook 3600 support
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This file is part of the SANE package.
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston,
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MA 02111-1307, USA.
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As a special exception, the authors of SANE give permission for
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additional uses of the libraries contained in this release of SANE.
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The exception is that, if you link a SANE library with other files
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to produce an executable, this does not by itself cause the
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resulting executable to be covered by the GNU General Public
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License. Your use of that executable is in no way restricted on
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account of linking the SANE library code into it.
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This exception does not, however, invalidate any other reasons why
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the executable file might be covered by the GNU General Public
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License.
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If you submit changes to SANE to the maintainers to be included in
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a subsequent release, you agree by submitting the changes that
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those changes may be distributed with this exception intact.
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If you write modifications of your own for SANE, it is your choice
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whether to permit this exception to apply to your modifications.
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If you do not wish that, delete this exception notice.
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*/
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#undef BACKEND_NAME
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#define BACKEND_NAME genesys_gl841
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#include "genesys_gl841.h"
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/****************************************************************************
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Low level function
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****************************************************************************/
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/* ------------------------------------------------------------------------ */
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/* Read and write RAM, registers and AFE */
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/* ------------------------------------------------------------------------ */
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/* Write to many registers */
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/* Note: There is no known bulk register write,
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this function is sending single registers instead */
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static SANE_Status
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gl841_bulk_write_register (Genesys_Device * dev,
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Genesys_Register_Set * reg, size_t elems)
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{
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SANE_Status status = SANE_STATUS_GOOD;
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unsigned int i, c;
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uint8_t buffer[GENESYS_MAX_REGS * 2];
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/* handle differently sized register sets, reg[0x00] is the last one */
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i = 0;
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while ((i < elems) && (reg[i].address != 0))
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i++;
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elems = i;
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DBG (DBG_io, "gl841_bulk_write_register (elems = %lu)\n",
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(u_long) elems);
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for (i = 0; i < elems; i++) {
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buffer[i * 2 + 0] = reg[i].address;
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buffer[i * 2 + 1] = reg[i].value;
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DBG (DBG_io2, "reg[0x%02x] = 0x%02x\n", buffer[i * 2 + 0],
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buffer[i * 2 + 1]);
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}
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for (i = 0; i < elems;) {
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c = elems - i;
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if (c > 32) /*32 is max. checked that.*/
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c = 32;
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status =
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sanei_usb_control_msg (dev->dn, REQUEST_TYPE_OUT, REQUEST_BUFFER,
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VALUE_SET_REGISTER, INDEX, c * 2, buffer + i * 2);
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if (status != SANE_STATUS_GOOD)
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{
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DBG (DBG_error,
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"gl841_bulk_write_register: failed while writing command: %s\n",
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sane_strstatus (status));
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return status;
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}
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i += c;
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}
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DBG (DBG_io, "gl841_bulk_write_register: wrote %lu registers\n",
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(u_long) elems);
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return status;
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}
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/* Write bulk data (e.g. shading, gamma) */
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static SANE_Status
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gl841_bulk_write_data (Genesys_Device * dev, uint8_t addr,
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uint8_t * data, size_t len)
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{
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SANE_Status status;
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size_t size;
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uint8_t outdata[8];
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DBG (DBG_io, "gl841_bulk_write_data writing %lu bytes\n",
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(u_long) len);
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status =
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sanei_usb_control_msg (dev->dn, REQUEST_TYPE_OUT, REQUEST_REGISTER,
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VALUE_SET_REGISTER, INDEX, 1, &addr);
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if (status != SANE_STATUS_GOOD)
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{
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DBG (DBG_error,
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"gl841_bulk_write_data failed while setting register: %s\n",
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sane_strstatus (status));
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return status;
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}
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while (len)
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{
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if (len > BULKOUT_MAXSIZE)
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size = BULKOUT_MAXSIZE;
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else
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size = len;
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outdata[0] = BULK_OUT;
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outdata[1] = BULK_RAM;
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outdata[2] = VALUE_BUFFER & 0xff;
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outdata[3] = (VALUE_BUFFER >> 8) & 0xff;
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outdata[4] = (size & 0xff);
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outdata[5] = ((size >> 8) & 0xff);
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outdata[6] = ((size >> 16) & 0xff);
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outdata[7] = ((size >> 24) & 0xff);
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status =
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sanei_usb_control_msg (dev->dn, REQUEST_TYPE_OUT, REQUEST_BUFFER,
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VALUE_BUFFER, INDEX, sizeof (outdata),
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outdata);
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if (status != SANE_STATUS_GOOD)
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{
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DBG (DBG_error,
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"gl841_bulk_write_data failed while writing command: %s\n",
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sane_strstatus (status));
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return status;
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}
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status = sanei_usb_write_bulk (dev->dn, data, &size);
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if (status != SANE_STATUS_GOOD)
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{
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DBG (DBG_error,
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"gl841_bulk_write_data failed while writing bulk data: %s\n",
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sane_strstatus (status));
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return status;
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}
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DBG (DBG_io2,
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"gl841_bulk_write_data wrote %lu bytes, %lu remaining\n",
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(u_long) size, (u_long) (len - size));
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len -= size;
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data += size;
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}
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DBG (DBG_io, "gl841_bulk_write_data: completed\n");
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return status;
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}
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/* for debugging transfer rate*/
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/*
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#include <sys/time.h>
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static struct timeval start_time;
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static void
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starttime(){
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gettimeofday(&start_time,NULL);
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}
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static void
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printtime(char *p) {
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struct timeval t;
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long long int dif;
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gettimeofday(&t,NULL);
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dif = t.tv_sec - start_time.tv_sec;
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dif = dif*1000000 + t.tv_usec - start_time.tv_usec;
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fprintf(stderr,"%s %lluµs\n",p,dif);
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}
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*/
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/* Read bulk data (e.g. scanned data) */
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static SANE_Status
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gl841_bulk_read_data (Genesys_Device * dev, uint8_t addr,
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uint8_t * data, size_t len)
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{
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SANE_Status status;
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size_t size, target;
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uint8_t outdata[8], *buffer;
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DBG (DBG_io, "gl841_bulk_read_data: requesting %lu bytes\n",
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(u_long) len);
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if (len == 0)
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return SANE_STATUS_GOOD;
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status =
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sanei_usb_control_msg (dev->dn, REQUEST_TYPE_OUT, REQUEST_REGISTER,
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VALUE_SET_REGISTER, INDEX, 1, &addr);
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if (status != SANE_STATUS_GOOD)
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{
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DBG (DBG_error,
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"gl841_bulk_read_data failed while setting register: %s\n",
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sane_strstatus (status));
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return status;
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}
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outdata[0] = BULK_IN;
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outdata[1] = BULK_RAM;
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outdata[2] = VALUE_BUFFER & 0xff;
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outdata[3] = (VALUE_BUFFER >> 8) & 0xff;
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outdata[4] = (len & 0xff);
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outdata[5] = ((len >> 8) & 0xff);
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outdata[6] = ((len >> 16) & 0xff);
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outdata[7] = ((len >> 24) & 0xff);
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status =
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sanei_usb_control_msg (dev->dn, REQUEST_TYPE_OUT, REQUEST_BUFFER,
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VALUE_BUFFER, INDEX, sizeof (outdata), outdata);
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if (status != SANE_STATUS_GOOD)
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{
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DBG (DBG_error,
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"gl841_bulk_read_data failed while writing command: %s\n",
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sane_strstatus (status));
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return status;
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}
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target = len;
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buffer = data;
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while (target)
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{
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if (target > BULKIN_MAXSIZE)
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size = BULKIN_MAXSIZE;
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else
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size = target;
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DBG (DBG_io2,
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"gl841_bulk_read_data: trying to read %lu bytes of data\n",
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(u_long) size);
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status = sanei_usb_read_bulk (dev->dn, data, &size);
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if (status != SANE_STATUS_GOOD)
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{
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DBG (DBG_error,
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"gl841_bulk_read_data failed while reading bulk data: %s\n",
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sane_strstatus (status));
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return status;
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}
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DBG (DBG_io2,
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"gl841_bulk_read_data read %lu bytes, %lu remaining\n",
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(u_long) size, (u_long) (target - size));
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target -= size;
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data += size;
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}
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if (DBG_LEVEL >= DBG_data && dev->binary!=NULL)
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{
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fwrite(buffer, len, 1, dev->binary);
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}
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DBGCOMPLETED;
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return SANE_STATUS_GOOD;
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}
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/* Set address for writing data */
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static SANE_Status
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gl841_set_buffer_address_gamma (Genesys_Device * dev, uint32_t addr)
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{
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SANE_Status status;
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DBG (DBG_io, "gl841_set_buffer_address_gamma: setting address to 0x%05x\n",
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addr & 0xfffffff0);
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addr = addr >> 4;
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status = sanei_genesys_write_register (dev, 0x5c, (addr & 0xff));
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if (status != SANE_STATUS_GOOD)
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{
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DBG (DBG_error,
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"gl841_set_buffer_address_gamma: failed while writing low byte: %s\n",
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sane_strstatus (status));
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return status;
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}
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addr = addr >> 8;
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status = sanei_genesys_write_register (dev, 0x5b, (addr & 0xff));
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if (status != SANE_STATUS_GOOD)
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{
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DBG (DBG_error,
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"gl841_set_buffer_address_gamma: failed while writing high byte: %s\n",
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sane_strstatus (status));
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return status;
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}
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DBG (DBG_io, "gl841_set_buffer_address_gamma: completed\n");
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return status;
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}
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/* Write bulk data (e.g. gamma) */
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GENESYS_STATIC SANE_Status
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gl841_bulk_write_data_gamma (Genesys_Device * dev, uint8_t addr,
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uint8_t * data, size_t len)
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{
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SANE_Status status;
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size_t size;
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uint8_t outdata[8];
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DBG (DBG_io, "gl841_bulk_write_data_gamma writing %lu bytes\n",
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(u_long) len);
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status =
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sanei_usb_control_msg (dev->dn, REQUEST_TYPE_OUT, REQUEST_REGISTER,
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VALUE_SET_REGISTER, INDEX, 1, &addr);
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if (status != SANE_STATUS_GOOD)
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{
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DBG (DBG_error,
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"genesys_bulk_write_data_gamma failed while setting register: %s\n",
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sane_strstatus (status));
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return status;
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}
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while (len)
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{
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if (len > BULKOUT_MAXSIZE)
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size = BULKOUT_MAXSIZE;
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else
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size = len;
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outdata[0] = BULK_OUT;
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outdata[1] = BULK_RAM;
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outdata[2] = 0x00;/* 0x82 works, too */
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outdata[3] = 0x00;
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outdata[4] = (size & 0xff);
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outdata[5] = ((size >> 8) & 0xff);
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outdata[6] = ((size >> 16) & 0xff);
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outdata[7] = ((size >> 24) & 0xff);
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status =
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sanei_usb_control_msg (dev->dn, REQUEST_TYPE_OUT, REQUEST_BUFFER,
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VALUE_BUFFER, INDEX, sizeof (outdata),
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outdata);
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if (status != SANE_STATUS_GOOD)
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{
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DBG (DBG_error,
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"genesys_bulk_write_data_gamma failed while writing command: %s\n",
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sane_strstatus (status));
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return status;
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}
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status = sanei_usb_write_bulk (dev->dn, data, &size);
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if (status != SANE_STATUS_GOOD)
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{
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DBG (DBG_error,
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"genesys_bulk_write_data_gamma failed while writing bulk data: %s\n",
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sane_strstatus (status));
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return status;
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}
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DBG (DBG_io2,
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"genesys_bulk_write_data:gamma wrote %lu bytes, %lu remaining\n",
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(u_long) size, (u_long) (len - size));
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len -= size;
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data += size;
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}
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DBG (DBG_io, "genesys_bulk_write_data_gamma: completed\n");
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return status;
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}
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/****************************************************************************
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Mid level functions
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****************************************************************************/
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static SANE_Bool
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gl841_get_fast_feed_bit (Genesys_Register_Set * regs)
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{
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Genesys_Register_Set *r = NULL;
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r = sanei_genesys_get_address (regs, 0x02);
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if (r && (r->value & REG02_FASTFED))
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return SANE_TRUE;
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return SANE_FALSE;
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}
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static SANE_Bool
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gl841_get_filter_bit (Genesys_Register_Set * regs)
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{
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Genesys_Register_Set *r = NULL;
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r = sanei_genesys_get_address (regs, 0x04);
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if (r && (r->value & REG04_FILTER))
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return SANE_TRUE;
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return SANE_FALSE;
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}
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static SANE_Bool
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gl841_get_lineart_bit (Genesys_Register_Set * regs)
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{
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Genesys_Register_Set *r = NULL;
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r = sanei_genesys_get_address (regs, 0x04);
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if (r && (r->value & REG04_LINEART))
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return SANE_TRUE;
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return SANE_FALSE;
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}
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static SANE_Bool
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gl841_get_bitset_bit (Genesys_Register_Set * regs)
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{
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Genesys_Register_Set *r = NULL;
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r = sanei_genesys_get_address (regs, 0x04);
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if (r && (r->value & REG04_BITSET))
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return SANE_TRUE;
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return SANE_FALSE;
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}
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static SANE_Bool
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gl841_get_gain4_bit (Genesys_Register_Set * regs)
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{
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Genesys_Register_Set *r = NULL;
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r = sanei_genesys_get_address (regs, 0x06);
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if (r && (r->value & REG06_GAIN4))
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return SANE_TRUE;
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return SANE_FALSE;
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}
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static SANE_Bool
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gl841_test_buffer_empty_bit (SANE_Byte val)
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{
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if (val & REG41_BUFEMPTY)
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return SANE_TRUE;
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return SANE_FALSE;
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}
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static SANE_Bool
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gl841_test_motor_flag_bit (SANE_Byte val)
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{
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if (val & REG41_MOTORENB)
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return SANE_TRUE;
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return SANE_FALSE;
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}
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/** copy sensor specific settings */
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/* *dev : device infos
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*regs : registers to be set
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extended : do extended set up
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half_ccd: set up for half ccd resolution
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all registers 08-0B, 10-1D, 52-59 are set up. They shouldn't
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appear anywhere else but in register_ini
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Responsible for signals to CCD/CIS:
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CCD_CK1X (CK1INV(0x16),CKDIS(0x16),CKTOGGLE(0x18),CKDELAY(0x18),MANUAL1(0x1A),CK1MTGL(0x1C),CK1LOW(0x1D),CK1MAP(0x74,0x75,0x76),CK1NEG(0x7D))
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CCD_CK2X (CK2INV(0x16),CKDIS(0x16),CKTOGGLE(0x18),CKDELAY(0x18),MANUAL1(0x1A),CK1LOW(0x1D),CK1NEG(0x7D))
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CCD_CK3X (MANUAL3(0x1A),CK3INV(0x1A),CK3MTGL(0x1C),CK3LOW(0x1D),CK3MAP(0x77,0x78,0x79),CK3NEG(0x7D))
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CCD_CK4X (MANUAL3(0x1A),CK4INV(0x1A),CK4MTGL(0x1C),CK4LOW(0x1D),CK4MAP(0x7A,0x7B,0x7C),CK4NEG(0x7D))
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CCD_CPX (CTRLHI(0x16),CTRLINV(0x16),CTRLDIS(0x16),CPH(0x72),CPL(0x73),CPNEG(0x7D))
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CCD_RSX (CTRLHI(0x16),CTRLINV(0x16),CTRLDIS(0x16),RSH(0x70),RSL(0x71),RSNEG(0x7D))
|
|
CCD_TGX (TGINV(0x16),TGMODE(0x17),TGW(0x17),EXPR(0x10,0x11),TGSHLD(0x1D))
|
|
CCD_TGG (TGINV(0x16),TGMODE(0x17),TGW(0x17),EXPG(0x12,0x13),TGSHLD(0x1D))
|
|
CCD_TGB (TGINV(0x16),TGMODE(0x17),TGW(0x17),EXPB(0x14,0x15),TGSHLD(0x1D))
|
|
LAMP_SW (EXPR(0x10,0x11),XPA_SEL(0x03),LAMP_PWR(0x03),LAMPTIM(0x03),MTLLAMP(0x04),LAMPPWM(0x29))
|
|
XPA_SW (EXPG(0x12,0x13),XPA_SEL(0x03),LAMP_PWR(0x03),LAMPTIM(0x03),MTLLAMP(0x04),LAMPPWM(0x29))
|
|
LAMP_B (EXPB(0x14,0x15),LAMP_PWR(0x03))
|
|
|
|
other registers:
|
|
CISSET(0x01),CNSET(0x18),DCKSEL(0x18),SCANMOD(0x18),EXPDMY(0x19),LINECLP(0x1A),CKAREA(0x1C),TGTIME(0x1C),LINESEL(0x1E),DUMMY(0x34)
|
|
|
|
Responsible for signals to AFE:
|
|
VSMP (VSMP(0x58),VSMPW(0x58))
|
|
BSMP (BSMP(0x59),BSMPW(0x59))
|
|
|
|
other register settings depending on this:
|
|
RHI(0x52),RLOW(0x53),GHI(0x54),GLOW(0x55),BHI(0x56),BLOW(0x57),
|
|
|
|
*/
|
|
static void
|
|
sanei_gl841_setup_sensor (Genesys_Device * dev,
|
|
Genesys_Register_Set * regs,
|
|
SANE_Bool extended, SANE_Bool half_ccd)
|
|
{
|
|
Genesys_Register_Set *r;
|
|
int i;
|
|
|
|
DBG (DBG_proc, "gl841_setup_sensor\n");
|
|
|
|
/* that one is tricky at least ....*/
|
|
r = sanei_genesys_get_address (regs, 0x70);
|
|
for (i = 0; i < 4; i++, r++)
|
|
r->value = dev->sensor.regs_0x08_0x0b[i];
|
|
|
|
r = sanei_genesys_get_address (regs, 0x16);
|
|
for (i = 0x06; i < 0x0a; i++, r++)
|
|
r->value = dev->sensor.regs_0x10_0x1d[i];
|
|
|
|
r = sanei_genesys_get_address (regs, 0x1a);
|
|
for (i = 0x0a; i < 0x0e; i++, r++)
|
|
r->value = dev->sensor.regs_0x10_0x1d[i];
|
|
|
|
r = sanei_genesys_get_address (regs, 0x52);
|
|
for (i = 0; i < 9; i++, r++)
|
|
r->value = dev->sensor.regs_0x52_0x5e[i];
|
|
|
|
/* don't go any further if no extended setup */
|
|
if (!extended)
|
|
return;
|
|
|
|
/* todo : add more CCD types if needed */
|
|
/* we might want to expand the Sensor struct to have these
|
|
2 kind of settings */
|
|
if (dev->model->ccd_type == CCD_5345)
|
|
{
|
|
if (half_ccd)
|
|
{
|
|
/* settings for CCD used at half is max resolution */
|
|
r = sanei_genesys_get_address (regs, 0x70);
|
|
r->value = 0x00;
|
|
r = sanei_genesys_get_address (regs, 0x71);
|
|
r->value = 0x05;
|
|
r = sanei_genesys_get_address (regs, 0x72);
|
|
r->value = 0x06;
|
|
r = sanei_genesys_get_address (regs, 0x73);
|
|
r->value = 0x08;
|
|
r = sanei_genesys_get_address (regs, 0x18);
|
|
r->value = 0x28;
|
|
r = sanei_genesys_get_address (regs, 0x58);
|
|
r->value = 0x80 | (r->value & 0x03); /* VSMP=16 */
|
|
}
|
|
else
|
|
{
|
|
/* swap latch times */
|
|
r = sanei_genesys_get_address (regs, 0x18);
|
|
r->value = 0x30;
|
|
r = sanei_genesys_get_address (regs, 0x52);
|
|
for (i = 0; i < 6; i++, r++)
|
|
r->value = dev->sensor.regs_0x52_0x5e[(i + 3) % 6];
|
|
r = sanei_genesys_get_address (regs, 0x58);
|
|
r->value = 0x20 | (r->value & 0x03); /* VSMP=4 */
|
|
}
|
|
return;
|
|
}
|
|
|
|
if (dev->model->ccd_type == CCD_HP2300)
|
|
{
|
|
/* settings for CCD used at half is max resolution */
|
|
if (half_ccd)
|
|
{
|
|
r = sanei_genesys_get_address (regs, 0x70);
|
|
r->value = 0x16;
|
|
r = sanei_genesys_get_address (regs, 0x71);
|
|
r->value = 0x00;
|
|
r = sanei_genesys_get_address (regs, 0x72);
|
|
r->value = 0x01;
|
|
r = sanei_genesys_get_address (regs, 0x73);
|
|
r->value = 0x03;
|
|
/* manual clock programming */
|
|
r = sanei_genesys_get_address (regs, 0x1d);
|
|
r->value |= 0x80;
|
|
}
|
|
else
|
|
{
|
|
r = sanei_genesys_get_address (regs, 0x70);
|
|
r->value = 1;
|
|
r = sanei_genesys_get_address (regs, 0x71);
|
|
r->value = 3;
|
|
r = sanei_genesys_get_address (regs, 0x72);
|
|
r->value = 4;
|
|
r = sanei_genesys_get_address (regs, 0x73);
|
|
r->value = 6;
|
|
}
|
|
r = sanei_genesys_get_address (regs, 0x58);
|
|
r->value = 0x80 | (r->value & 0x03); /* VSMP=16 */
|
|
return;
|
|
}
|
|
}
|
|
|
|
/** Test if the ASIC works
|
|
*/
|
|
/*TODO: make this functional*/
|
|
static SANE_Status
|
|
sanei_gl841_asic_test (Genesys_Device * dev)
|
|
{
|
|
SANE_Status status;
|
|
uint8_t val;
|
|
uint8_t *data;
|
|
uint8_t *verify_data;
|
|
size_t size, verify_size;
|
|
unsigned int i;
|
|
|
|
DBG (DBG_proc, "sanei_gl841_asic_test\n");
|
|
|
|
return SANE_STATUS_INVAL;
|
|
|
|
/* set and read exposure time, compare if it's the same */
|
|
status = sanei_genesys_write_register (dev, 0x38, 0xde);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error, "sanei_gl841_asic_test: failed to write register: %s\n",
|
|
sane_strstatus (status));
|
|
return status;
|
|
}
|
|
|
|
status = sanei_genesys_write_register (dev, 0x39, 0xad);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error, "sanei_gl841_asic_test: failed to write register: %s\n",
|
|
sane_strstatus (status));
|
|
return status;
|
|
}
|
|
|
|
status = sanei_genesys_read_register (dev, 0x38, &val);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error, "sanei_gl841_asic_test: failed to read register: %s\n",
|
|
sane_strstatus (status));
|
|
return status;
|
|
}
|
|
if (val != 0xde) /* value of register 0x38 */
|
|
{
|
|
DBG (DBG_error,
|
|
"sanei_gl841_asic_test: register contains invalid value\n");
|
|
return SANE_STATUS_IO_ERROR;
|
|
}
|
|
|
|
status = sanei_genesys_read_register (dev, 0x39, &val);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error, "sanei_gl841_asic_test: failed to read register: %s\n",
|
|
sane_strstatus (status));
|
|
return status;
|
|
}
|
|
if (val != 0xad) /* value of register 0x39 */
|
|
{
|
|
DBG (DBG_error,
|
|
"sanei_gl841_asic_test: register contains invalid value\n");
|
|
return SANE_STATUS_IO_ERROR;
|
|
}
|
|
|
|
/* ram test: */
|
|
size = 0x40000;
|
|
verify_size = size + 0x80;
|
|
/* todo: looks like the read size must be a multiple of 128?
|
|
otherwise the read doesn't succeed the second time after the scanner has
|
|
been plugged in. Very strange. */
|
|
|
|
data = (uint8_t *) malloc (size);
|
|
if (!data)
|
|
{
|
|
DBG (DBG_error, "sanei_gl841_asic_test: could not allocate memory\n");
|
|
return SANE_STATUS_NO_MEM;
|
|
}
|
|
|
|
verify_data = (uint8_t *) malloc (verify_size);
|
|
if (!verify_data)
|
|
{
|
|
free (data);
|
|
DBG (DBG_error, "sanei_gl841_asic_test: could not allocate memory\n");
|
|
return SANE_STATUS_NO_MEM;
|
|
}
|
|
|
|
for (i = 0; i < (size - 1); i += 2)
|
|
{
|
|
data[i] = i / 512;
|
|
data[i + 1] = (i / 2) % 256;
|
|
}
|
|
|
|
status = sanei_genesys_set_buffer_address (dev, 0x0000);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error,
|
|
"sanei_gl841_asic_test: failed to set buffer address: %s\n",
|
|
sane_strstatus (status));
|
|
free (data);
|
|
free (verify_data);
|
|
return status;
|
|
}
|
|
|
|
/* status = gl841_bulk_write_data (dev, 0x3c, data, size);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error,
|
|
"sanei_gl841_asic_test: failed to bulk write data: %s\n",
|
|
sane_strstatus (status));
|
|
free (data);
|
|
free (verify_data);
|
|
return status;
|
|
}*/
|
|
|
|
status = sanei_genesys_set_buffer_address (dev, 0x0000);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error,
|
|
"sanei_gl841_asic_test: failed to set buffer address: %s\n",
|
|
sane_strstatus (status));
|
|
free (data);
|
|
free (verify_data);
|
|
return status;
|
|
}
|
|
|
|
status =
|
|
gl841_bulk_read_data (dev, 0x45, (uint8_t *) verify_data,
|
|
verify_size);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error, "sanei_gl841_asic_test: failed to bulk read data: %s\n",
|
|
sane_strstatus (status));
|
|
free (data);
|
|
free (verify_data);
|
|
return status;
|
|
}
|
|
|
|
/* todo: why i + 2 ? */
|
|
for (i = 0; i < size; i++)
|
|
{
|
|
if (verify_data[i] != data[i])
|
|
{
|
|
DBG (DBG_error, "sanei_gl841_asic_test: data verification error\n");
|
|
DBG (DBG_info, "0x%.8x: got %.2x %.2x %.2x %.2x, expected %.2x %.2x %.2x %.2x\n",
|
|
i,
|
|
verify_data[i],
|
|
verify_data[i+1],
|
|
verify_data[i+2],
|
|
verify_data[i+3],
|
|
data[i],
|
|
data[i+1],
|
|
data[i+2],
|
|
data[i+3]);
|
|
free (data);
|
|
free (verify_data);
|
|
return SANE_STATUS_IO_ERROR;
|
|
}
|
|
}
|
|
|
|
free (data);
|
|
free (verify_data);
|
|
|
|
DBG (DBG_info, "sanei_gl841_asic_test: completed\n");
|
|
|
|
return SANE_STATUS_GOOD;
|
|
}
|
|
|
|
/* returns the max register bulk size */
|
|
static int
|
|
gl841_bulk_full_size (void)
|
|
{
|
|
return GENESYS_GL841_MAX_REGS;
|
|
}
|
|
|
|
/*
|
|
* Set all registers LiDE 80 to default values
|
|
* (function called only once at the beginning)
|
|
* we are doing a special case to ease development
|
|
*/
|
|
static void
|
|
gl841_init_lide80 (Genesys_Device * dev)
|
|
{
|
|
uint8_t val;
|
|
int index=0;
|
|
|
|
INITREG (0x01, 0x82); /* 0x02 = SHDAREA and no CISSET ! */
|
|
INITREG (0x02, 0x10);
|
|
INITREG (0x03, 0x50);
|
|
INITREG (0x04, 0x02);
|
|
INITREG (0x05, 0x4c); /* 1200 DPI */
|
|
INITREG (0x06, 0x38); /* 0x38 scanmod=1, pwrbit, GAIN4 */
|
|
INITREG (0x07, 0x00);
|
|
INITREG (0x08, 0x00);
|
|
INITREG (0x09, 0x11);
|
|
INITREG (0x0a, 0x00);
|
|
|
|
INITREG (0x10, 0x40);
|
|
INITREG (0x11, 0x00);
|
|
INITREG (0x12, 0x40);
|
|
INITREG (0x13, 0x00);
|
|
INITREG (0x14, 0x40);
|
|
INITREG (0x15, 0x00);
|
|
INITREG (0x16, 0x00);
|
|
INITREG (0x17, 0x01);
|
|
INITREG (0x18, 0x00);
|
|
INITREG (0x19, 0x06);
|
|
INITREG (0x1a, 0x00);
|
|
INITREG (0x1b, 0x00);
|
|
INITREG (0x1c, 0x00);
|
|
INITREG (0x1d, 0x04);
|
|
INITREG (0x1e, 0x10);
|
|
INITREG (0x1f, 0x04);
|
|
INITREG (0x20, 0x02);
|
|
INITREG (0x21, 0x10);
|
|
INITREG (0x22, 0x20);
|
|
INITREG (0x23, 0x20);
|
|
INITREG (0x24, 0x10);
|
|
INITREG (0x25, 0x00);
|
|
INITREG (0x26, 0x00);
|
|
INITREG (0x27, 0x00);
|
|
|
|
INITREG (0x29, 0xff);
|
|
|
|
INITREG (0x2c, dev->sensor.optical_res>>8);
|
|
INITREG (0x2d, dev->sensor.optical_res & 0xff);
|
|
INITREG (0x2e, 0x80);
|
|
INITREG (0x2f, 0x80);
|
|
INITREG (0x30, 0x00);
|
|
INITREG (0x31, 0x10);
|
|
INITREG (0x32, 0x15);
|
|
INITREG (0x33, 0x0e);
|
|
INITREG (0x34, 0x40);
|
|
INITREG (0x35, 0x00);
|
|
INITREG (0x36, 0x2a);
|
|
INITREG (0x37, 0x30);
|
|
INITREG (0x38, 0x2a);
|
|
INITREG (0x39, 0xf8);
|
|
|
|
INITREG (0x3d, 0x00);
|
|
INITREG (0x3e, 0x00);
|
|
INITREG (0x3f, 0x00);
|
|
|
|
INITREG (0x52, 0x03);
|
|
INITREG (0x53, 0x07);
|
|
INITREG (0x54, 0x00);
|
|
INITREG (0x55, 0x00);
|
|
INITREG (0x56, 0x00);
|
|
INITREG (0x57, 0x00);
|
|
INITREG (0x58, 0x29);
|
|
INITREG (0x59, 0x69);
|
|
INITREG (0x5a, 0x55);
|
|
|
|
INITREG (0x5d, 0x20);
|
|
INITREG (0x5e, 0x41);
|
|
INITREG (0x5f, 0x40);
|
|
INITREG (0x60, 0x00);
|
|
INITREG (0x61, 0x00);
|
|
INITREG (0x62, 0x00);
|
|
INITREG (0x63, 0x00);
|
|
INITREG (0x64, 0x00);
|
|
INITREG (0x65, 0x00);
|
|
INITREG (0x66, 0x00);
|
|
INITREG (0x67, 0x40);
|
|
INITREG (0x68, 0x40);
|
|
INITREG (0x69, 0x20);
|
|
INITREG (0x6a, 0x20);
|
|
INITREG (0x6c, dev->gpo.value[0]);
|
|
INITREG (0x6d, dev->gpo.value[1]);
|
|
INITREG (0x6e, dev->gpo.enable[0]);
|
|
INITREG (0x6f, dev->gpo.enable[1]);
|
|
INITREG (0x70, 0x00);
|
|
INITREG (0x71, 0x05);
|
|
INITREG (0x72, 0x07);
|
|
INITREG (0x73, 0x09);
|
|
INITREG (0x74, 0x00);
|
|
INITREG (0x75, 0x01);
|
|
INITREG (0x76, 0xff);
|
|
INITREG (0x77, 0x00);
|
|
INITREG (0x78, 0x0f);
|
|
INITREG (0x79, 0xf0);
|
|
INITREG (0x7a, 0xf0);
|
|
INITREG (0x7b, 0x00);
|
|
INITREG (0x7c, 0x1e);
|
|
INITREG (0x7d, 0x11);
|
|
INITREG (0x7e, 0x00);
|
|
INITREG (0x7f, 0x50);
|
|
INITREG (0x80, 0x00);
|
|
INITREG (0x81, 0x00);
|
|
INITREG (0x82, 0x0f);
|
|
INITREG (0x83, 0x00);
|
|
INITREG (0x84, 0x0e);
|
|
INITREG (0x85, 0x00);
|
|
INITREG (0x86, 0x0d);
|
|
INITREG (0x87, 0x02);
|
|
INITREG (0x88, 0x00);
|
|
INITREG (0x89, 0x00);
|
|
|
|
/* specific scanner settings, clock and gpio first */
|
|
sanei_genesys_read_register (dev, REG6B, &val);
|
|
sanei_genesys_write_register (dev, REG6B, 0x0c);
|
|
sanei_genesys_write_register (dev, 0x06, 0x10);
|
|
sanei_genesys_write_register (dev, REG6E, 0x6d);
|
|
sanei_genesys_write_register (dev, REG6F, 0x80);
|
|
sanei_genesys_write_register (dev, REG6B, 0x0e);
|
|
sanei_genesys_read_register (dev, REG6C, &val);
|
|
sanei_genesys_write_register (dev, REG6C, 0x00);
|
|
sanei_genesys_read_register (dev, REG6D, &val);
|
|
sanei_genesys_write_register (dev, REG6D, 0x8f);
|
|
sanei_genesys_read_register (dev, REG6B, &val);
|
|
sanei_genesys_write_register (dev, REG6B, 0x0e);
|
|
sanei_genesys_read_register (dev, REG6B, &val);
|
|
sanei_genesys_write_register (dev, REG6B, 0x0e);
|
|
sanei_genesys_read_register (dev, REG6B, &val);
|
|
sanei_genesys_write_register (dev, REG6B, 0x0a);
|
|
sanei_genesys_read_register (dev, REG6B, &val);
|
|
sanei_genesys_write_register (dev, REG6B, 0x02);
|
|
sanei_genesys_read_register (dev, REG6B, &val);
|
|
sanei_genesys_write_register (dev, REG6B, 0x06);
|
|
|
|
sanei_genesys_write_0x8c (dev, 0x10, 0x94);
|
|
sanei_genesys_write_register (dev, 0x09, 0x10);
|
|
|
|
/* set up GPIO : no address, so no bulk write, doesn't written directly either ? */
|
|
/*
|
|
dev->reg[reg_0x6c].value = dev->gpo.value[0];
|
|
dev->reg[reg_0x6d].value = dev->gpo.value[1];
|
|
dev->reg[reg_0x6e].value = dev->gpo.enable[0];
|
|
dev->reg[reg_0x6f].value = dev->gpo.enable[1]; */
|
|
|
|
dev->reg[reg_0x6b].value |= REG6B_GPO18;
|
|
dev->reg[reg_0x6b].value &= ~REG6B_GPO17;
|
|
|
|
sanei_gl841_setup_sensor (dev, dev->reg, 0, 0);
|
|
}
|
|
|
|
/*
|
|
* Set all registers to default values
|
|
* (function called only once at the beginning)
|
|
*/
|
|
static void
|
|
gl841_init_registers (Genesys_Device * dev)
|
|
{
|
|
int nr, addr;
|
|
|
|
DBG (DBG_proc, "gl841_init_registers\n");
|
|
|
|
nr = 0;
|
|
memset (dev->reg, 0, GENESYS_MAX_REGS * sizeof (Genesys_Register_Set));
|
|
if (strcmp (dev->model->name, "canon-lide-80") == 0)
|
|
{
|
|
gl841_init_lide80(dev);
|
|
return ;
|
|
}
|
|
|
|
for (addr = 1; addr <= 0x0a; addr++)
|
|
dev->reg[nr++].address = addr;
|
|
for (addr = 0x10; addr <= 0x27; addr++)
|
|
dev->reg[nr++].address = addr;
|
|
dev->reg[nr++].address = 0x29;
|
|
for (addr = 0x2c; addr <= 0x39; addr++)
|
|
dev->reg[nr++].address = addr;
|
|
for (addr = 0x3d; addr <= 0x3f; addr++)
|
|
dev->reg[nr++].address = addr;
|
|
for (addr = 0x52; addr <= 0x5a; addr++)
|
|
dev->reg[nr++].address = addr;
|
|
for (addr = 0x5d; addr <= 0x87; addr++)
|
|
dev->reg[nr++].address = addr;
|
|
|
|
|
|
dev->reg[reg_0x01].value = 0x20; /* (enable shading), CCD, color, 1M */
|
|
if (dev->model->is_cis == SANE_TRUE)
|
|
{
|
|
dev->reg[reg_0x01].value |= REG01_CISSET;
|
|
}
|
|
else
|
|
{
|
|
dev->reg[reg_0x01].value &= ~REG01_CISSET;
|
|
}
|
|
|
|
dev->reg[reg_0x02].value = 0x30 /*0x38 */ ; /* auto home, one-table-move, full step */
|
|
dev->reg[reg_0x02].value |= REG02_AGOHOME;
|
|
dev->reg[reg_0x02].value |= REG02_MTRPWR;
|
|
dev->reg[reg_0x02].value |= REG02_FASTFED;
|
|
|
|
dev->reg[reg_0x03].value = 0x1f /*0x17 */ ; /* lamp on */
|
|
dev->reg[reg_0x03].value |= REG03_AVEENB;
|
|
|
|
if (dev->model->ccd_type == CCD_PLUSTEK_3600) /* AD front end */
|
|
{
|
|
dev->reg[reg_0x04].value = (2 << REG04S_AFEMOD) | 0x02;
|
|
}
|
|
else /* Wolfson front end */
|
|
{
|
|
dev->reg[reg_0x04].value |= 1 << REG04S_AFEMOD;
|
|
}
|
|
|
|
dev->reg[reg_0x05].value = 0x00; /* disable gamma, 24 clocks/pixel */
|
|
if (dev->sensor.sensor_pixels < 0x1500)
|
|
dev->reg[reg_0x05].value |= REG05_DPIHW_600;
|
|
else if (dev->sensor.sensor_pixels < 0x2a80)
|
|
dev->reg[reg_0x05].value |= REG05_DPIHW_1200;
|
|
else if (dev->sensor.sensor_pixels < 0x5400)
|
|
dev->reg[reg_0x05].value |= REG05_DPIHW_2400;
|
|
else
|
|
{
|
|
dev->reg[reg_0x05].value |= REG05_DPIHW_2400;
|
|
DBG (DBG_warn,
|
|
"gl841_init_registers: Cannot handle sensor pixel count %d\n",
|
|
dev->sensor.sensor_pixels);
|
|
}
|
|
|
|
|
|
dev->reg[reg_0x06].value |= REG06_PWRBIT;
|
|
dev->reg[reg_0x06].value |= REG06_GAIN4;
|
|
|
|
/* XP300 CCD needs different clock and clock/pixels values */
|
|
if (dev->model->ccd_type != CCD_XP300 && dev->model->ccd_type != CCD_DP685
|
|
&& dev->model->ccd_type != CCD_PLUSTEK_3600)
|
|
{
|
|
dev->reg[reg_0x06].value |= 0 << REG06S_SCANMOD;
|
|
dev->reg[reg_0x09].value |= 1 << REG09S_CLKSET;
|
|
}
|
|
else
|
|
{
|
|
dev->reg[reg_0x06].value |= 0x05 << REG06S_SCANMOD; /* 15 clocks/pixel */
|
|
dev->reg[reg_0x09].value = 0; /* 24 MHz CLKSET */
|
|
}
|
|
|
|
dev->reg[reg_0x1e].value = 0xf0; /* watch-dog time */
|
|
|
|
dev->reg[reg_0x17].value |= 1 << REG17S_TGW;
|
|
|
|
dev->reg[reg_0x19].value = 0x50;
|
|
|
|
dev->reg[reg_0x1d].value |= 1 << REG1DS_TGSHLD;
|
|
|
|
dev->reg[reg_0x1e].value |= 1 << REG1ES_WDTIME;
|
|
|
|
/*SCANFED*/
|
|
dev->reg[reg_0x1f].value = 0x01;
|
|
|
|
/*BUFSEL*/
|
|
dev->reg[reg_0x20].value = 0x20;
|
|
|
|
/*LAMPPWM*/
|
|
dev->reg[reg_0x29].value = 0xff;
|
|
|
|
/*BWHI*/
|
|
dev->reg[reg_0x2e].value = 0x80;
|
|
|
|
/*BWLOW*/
|
|
dev->reg[reg_0x2f].value = 0x80;
|
|
|
|
/*LPERIOD*/
|
|
dev->reg[reg_0x38].value = 0x4f;
|
|
dev->reg[reg_0x39].value = 0xc1;
|
|
|
|
/*VSMPW*/
|
|
dev->reg[reg_0x58].value |= 3 << REG58S_VSMPW;
|
|
|
|
/*BSMPW*/
|
|
dev->reg[reg_0x59].value |= 3 << REG59S_BSMPW;
|
|
|
|
/*RLCSEL*/
|
|
dev->reg[reg_0x5a].value |= REG5A_RLCSEL;
|
|
|
|
/*STOPTIM*/
|
|
dev->reg[reg_0x5e].value |= 0x2 << REG5ES_STOPTIM;
|
|
|
|
sanei_gl841_setup_sensor (dev, dev->reg, 0, 0);
|
|
|
|
/* set up GPIO */
|
|
dev->reg[reg_0x6c].value = dev->gpo.value[0];
|
|
dev->reg[reg_0x6d].value = dev->gpo.value[1];
|
|
dev->reg[reg_0x6e].value = dev->gpo.enable[0];
|
|
dev->reg[reg_0x6f].value = dev->gpo.enable[1];
|
|
|
|
/* TODO there is a switch calling to be written here */
|
|
if (dev->model->gpo_type == GPO_CANONLIDE35)
|
|
{
|
|
dev->reg[reg_0x6b].value |= REG6B_GPO18;
|
|
dev->reg[reg_0x6b].value &= ~REG6B_GPO17;
|
|
}
|
|
if (dev->model->gpo_type == GPO_CANONLIDE80)
|
|
{
|
|
dev->reg[reg_0x6b].value |= REG6B_GPO18;
|
|
dev->reg[reg_0x6b].value &= ~REG6B_GPO17;
|
|
}
|
|
|
|
if (dev->model->gpo_type == GPO_XP300)
|
|
{
|
|
dev->reg[reg_0x6b].value |= REG6B_GPO17;
|
|
}
|
|
|
|
if (dev->model->gpo_type == GPO_DP685)
|
|
{
|
|
/* REG6B_GPO18 lights on green led */
|
|
dev->reg[reg_0x6b].value |= REG6B_GPO17|REG6B_GPO18;
|
|
}
|
|
|
|
DBG (DBG_proc, "gl841_init_registers complete\n");
|
|
}
|
|
|
|
/* Send slope table for motor movement
|
|
slope_table in machine byte order
|
|
*/
|
|
GENESYS_STATIC SANE_Status
|
|
gl841_send_slope_table (Genesys_Device * dev, int table_nr,
|
|
uint16_t * slope_table, int steps)
|
|
{
|
|
int dpihw;
|
|
int start_address;
|
|
SANE_Status status;
|
|
uint8_t *table;
|
|
char msg[4000];
|
|
/*#ifdef WORDS_BIGENDIAN*/
|
|
int i;
|
|
/*#endif*/
|
|
|
|
DBG (DBG_proc, "gl841_send_slope_table (table_nr = %d, steps = %d)\n",
|
|
table_nr, steps);
|
|
|
|
dpihw = dev->reg[reg_0x05].value >> 6;
|
|
|
|
if (dpihw == 0) /* 600 dpi */
|
|
start_address = 0x08000;
|
|
else if (dpihw == 1) /* 1200 dpi */
|
|
start_address = 0x10000;
|
|
else if (dpihw == 2) /* 2400 dpi */
|
|
start_address = 0x20000;
|
|
else /* reserved */
|
|
return SANE_STATUS_INVAL;
|
|
|
|
/*#ifdef WORDS_BIGENDIAN*/
|
|
table = (uint8_t*)malloc(steps * 2);
|
|
for(i = 0; i < steps; i++) {
|
|
table[i * 2] = slope_table[i] & 0xff;
|
|
table[i * 2 + 1] = slope_table[i] >> 8;
|
|
}
|
|
/*#else
|
|
table = (uint8_t*)slope_table;
|
|
#endif*/
|
|
if (DBG_LEVEL >= DBG_io)
|
|
{
|
|
sprintf (msg, "write slope %d (%d)=", table_nr, steps);
|
|
for (i = 0; i < steps; i++)
|
|
{
|
|
sprintf (msg+strlen(msg), ",%d", slope_table[i]);
|
|
}
|
|
DBG (DBG_io, "%s: %s\n", __func__, msg);
|
|
}
|
|
|
|
status =
|
|
sanei_genesys_set_buffer_address (dev, start_address + table_nr * 0x200);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
/*#ifdef WORDS_BIGENDIAN*/
|
|
free(table);
|
|
/*#endif*/
|
|
DBG (DBG_error,
|
|
"gl841_send_slope_table: failed to set buffer address: %s\n",
|
|
sane_strstatus (status));
|
|
return status;
|
|
}
|
|
|
|
status =
|
|
gl841_bulk_write_data (dev, 0x3c, (uint8_t *) table,
|
|
steps * 2);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
/*#ifdef WORDS_BIGENDIAN*/
|
|
free(table);
|
|
/*#endif*/
|
|
DBG (DBG_error,
|
|
"gl841_send_slope_table: failed to send slope table: %s\n",
|
|
sane_strstatus (status));
|
|
return status;
|
|
}
|
|
|
|
/*#ifdef WORDS_BIGENDIAN*/
|
|
free(table);
|
|
/*#endif*/
|
|
DBG (DBG_proc, "gl841_send_slope_table: completed\n");
|
|
return status;
|
|
}
|
|
|
|
static SANE_Status
|
|
gl841_set_lide80_fe (Genesys_Device * dev, uint8_t set)
|
|
{
|
|
SANE_Status status = SANE_STATUS_GOOD;
|
|
|
|
DBGSTART;
|
|
|
|
if (set == AFE_INIT)
|
|
{
|
|
DBG (DBG_proc, "%s(): setting DAC %u\n", __func__,
|
|
dev->model->dac_type);
|
|
|
|
/* sets to default values */
|
|
sanei_genesys_init_fe (dev);
|
|
|
|
/* write them to analog frontend */
|
|
status = sanei_genesys_fe_write_data (dev, 0x00, dev->frontend.reg[0]);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error, "%s: writing reg 0x00 failed: %s\n", __func__,
|
|
sane_strstatus (status));
|
|
return status;
|
|
}
|
|
status = sanei_genesys_fe_write_data (dev, 0x03, dev->frontend.reg[1]);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error, "%s: writing reg 0x03 failed: %s\n", __func__,
|
|
sane_strstatus (status));
|
|
return status;
|
|
}
|
|
status = sanei_genesys_fe_write_data (dev, 0x06, dev->frontend.reg[2]);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error, "%s: writing reg 0x06 failed: %s\n", __func__,
|
|
sane_strstatus (status));
|
|
return status;
|
|
}
|
|
}
|
|
|
|
if (set == AFE_SET)
|
|
{
|
|
status = sanei_genesys_fe_write_data (dev, 0x00, dev->frontend.reg[0]);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error, "%s: writing reg 0x00 failed: %s\n", __func__,
|
|
sane_strstatus (status));
|
|
return status;
|
|
}
|
|
status = sanei_genesys_fe_write_data (dev, 0x06, dev->frontend.offset[0]);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error, "%s: writing offset failed: %s\n", __func__,
|
|
sane_strstatus (status));
|
|
return status;
|
|
}
|
|
status = sanei_genesys_fe_write_data (dev, 0x03, dev->frontend.gain[0]);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error, "%s: writing gain failed: %s\n", __func__,
|
|
sane_strstatus (status));
|
|
return status;
|
|
}
|
|
}
|
|
|
|
return status;
|
|
DBGCOMPLETED;
|
|
}
|
|
|
|
/* Set values of Analog Device type frontend */
|
|
static SANE_Status
|
|
gl841_set_ad_fe (Genesys_Device * dev, uint8_t set)
|
|
{
|
|
SANE_Status status = SANE_STATUS_GOOD;
|
|
int i;
|
|
|
|
/* special case for LiDE 80 analog frontend */
|
|
if(dev->model->dac_type==DAC_CANONLIDE80)
|
|
{
|
|
return gl841_set_lide80_fe(dev, set);
|
|
}
|
|
|
|
DBG (DBG_proc, "gl841_set_ad_fe(): start\n");
|
|
if (set == AFE_INIT)
|
|
{
|
|
DBG (DBG_proc, "gl841_set_ad_fe(): setting DAC %u\n",
|
|
dev->model->dac_type);
|
|
|
|
/* sets to default values */
|
|
sanei_genesys_init_fe (dev);
|
|
|
|
/* write them to analog frontend */
|
|
status = sanei_genesys_fe_write_data (dev, 0x00, dev->frontend.reg[0]);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error, "gl841_set_ad_fe: writing reg 0x00 failed: %s\n",
|
|
sane_strstatus (status));
|
|
return status;
|
|
}
|
|
|
|
status = sanei_genesys_fe_write_data (dev, 0x01, dev->frontend.reg[1]);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error, "gl841_set_ad_fe: writing reg 0x01 failed: %s\n",
|
|
sane_strstatus (status));
|
|
return status;
|
|
}
|
|
|
|
for (i = 0; i < 6; i++)
|
|
{
|
|
status =
|
|
sanei_genesys_fe_write_data (dev, 0x02 + i, 0x00);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error,
|
|
"gl841_set_ad_fe: writing sign[%d] failed: %s\n", 0x02 + i,
|
|
sane_strstatus (status));
|
|
return status;
|
|
}
|
|
}
|
|
}
|
|
if (set == AFE_SET)
|
|
{
|
|
/* write them to analog frontend */
|
|
status = sanei_genesys_fe_write_data (dev, 0x00, dev->frontend.reg[0]);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error, "gl841_set_ad_fe: writing reg 0x00 failed: %s\n",
|
|
sane_strstatus (status));
|
|
return status;
|
|
}
|
|
|
|
status = sanei_genesys_fe_write_data (dev, 0x01, dev->frontend.reg[1]);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error, "gl841_set_ad_fe: writing reg 0x01 failed: %s\n",
|
|
sane_strstatus (status));
|
|
return status;
|
|
}
|
|
|
|
/* Write fe 0x02 (red gain)*/
|
|
status = sanei_genesys_fe_write_data (dev, 0x02, dev->frontend.gain[0]);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error, "gl841_set_ad_fe: writing fe 0x02 (gain r) fail: %s\n",
|
|
sane_strstatus (status));
|
|
return status;
|
|
}
|
|
|
|
/* Write fe 0x03 (green gain)*/
|
|
status = sanei_genesys_fe_write_data (dev, 0x03, dev->frontend.gain[1]);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error, "gl841_set_ad_fe: writing fe 0x03 (gain g) fail: %s\n",
|
|
sane_strstatus (status));
|
|
return status;
|
|
}
|
|
|
|
/* Write fe 0x04 (blue gain)*/
|
|
status = sanei_genesys_fe_write_data (dev, 0x04, dev->frontend.gain[2]);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error, "gl841_set_ad_fe: writing fe 0x04 (gain b) fail: %s\n",
|
|
sane_strstatus (status));
|
|
return status;
|
|
}
|
|
|
|
/* Write fe 0x05 (red offset)*/
|
|
status =
|
|
sanei_genesys_fe_write_data (dev, 0x05, dev->frontend.offset[0]);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error, "gl841_set_ad_fe: write fe 0x05 (offset r) fail: %s\n",
|
|
sane_strstatus (status));
|
|
return status;
|
|
}
|
|
|
|
/* Write fe 0x06 (green offset)*/
|
|
status =
|
|
sanei_genesys_fe_write_data (dev, 0x06, dev->frontend.offset[1]);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error, "gl841_set_ad_fe: write fe 0x06 (offset g) fail: %s\n",
|
|
sane_strstatus (status));
|
|
return status;
|
|
}
|
|
|
|
/* Write fe 0x07 (blue offset)*/
|
|
status =
|
|
sanei_genesys_fe_write_data (dev, 0x07, dev->frontend.offset[2]);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error, "gl841_set_ad_fe: write fe 0x07 (offset b) fail: %s\n",
|
|
sane_strstatus (status));
|
|
return status;
|
|
}
|
|
}
|
|
DBG (DBG_proc, "gl841_set_ad_fe(): end\n");
|
|
|
|
return status;
|
|
}
|
|
|
|
/* Set values of analog frontend */
|
|
static SANE_Status
|
|
gl841_set_fe (Genesys_Device * dev, uint8_t set)
|
|
{
|
|
SANE_Status status;
|
|
int i;
|
|
|
|
DBG (DBG_proc, "gl841_set_fe (%s)\n",
|
|
set == AFE_INIT ? "init" : set == AFE_SET ? "set" : set ==
|
|
AFE_POWER_SAVE ? "powersave" : "huh?");
|
|
|
|
/* Analog Device type frontend */
|
|
if ((dev->reg[reg_0x04].value & REG04_FESET) == 0x02)
|
|
{
|
|
return gl841_set_ad_fe (dev, set);
|
|
}
|
|
|
|
if ((dev->reg[reg_0x04].value & REG04_FESET) != 0x00)
|
|
{
|
|
DBG (DBG_proc, "gl841_set_fe(): unsupported frontend type %d\n",
|
|
dev->reg[reg_0x04].value & REG04_FESET);
|
|
return SANE_STATUS_UNSUPPORTED;
|
|
}
|
|
|
|
if (set == AFE_INIT)
|
|
{
|
|
DBG (DBG_proc, "gl841_set_fe(): setting DAC %u\n",
|
|
dev->model->dac_type);
|
|
sanei_genesys_init_fe (dev);
|
|
|
|
/* reset only done on init */
|
|
status = sanei_genesys_fe_write_data (dev, 0x04, 0x80);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error, "gl841_set_fe: reset fe failed: %s\n",
|
|
sane_strstatus (status));
|
|
return status;
|
|
/*
|
|
if (dev->model->ccd_type == CCD_HP2300
|
|
|| dev->model->ccd_type == CCD_HP2400)
|
|
{
|
|
val = 0x07;
|
|
status =
|
|
sanei_usb_control_msg (dev->dn, REQUEST_TYPE_OUT,
|
|
REQUEST_REGISTER, GPIO_OUTPUT_ENABLE,
|
|
INDEX, 1, &val);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error,
|
|
"gl841_set_fe failed resetting frontend: %s\n",
|
|
sane_strstatus (status));
|
|
return status;
|
|
}
|
|
}*/
|
|
}
|
|
DBG (DBG_proc, "gl841_set_fe(): frontend reset complete\n");
|
|
}
|
|
|
|
|
|
if (set == AFE_POWER_SAVE)
|
|
{
|
|
status = sanei_genesys_fe_write_data (dev, 0x01, 0x02);
|
|
if (status != SANE_STATUS_GOOD)
|
|
DBG (DBG_error, "gl841_set_fe: writing data failed: %s\n",
|
|
sane_strstatus (status));
|
|
return status;
|
|
}
|
|
|
|
/* todo : base this test on cfg reg3 or a CCD family flag to be created */
|
|
/*if (dev->model->ccd_type!=CCD_HP2300 && dev->model->ccd_type!=CCD_HP2400) */
|
|
{
|
|
|
|
status = sanei_genesys_fe_write_data (dev, 0x00, dev->frontend.reg[0]);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error, "gl841_set_fe: writing reg0 failed: %s\n",
|
|
sane_strstatus (status));
|
|
return status;
|
|
}
|
|
status = sanei_genesys_fe_write_data (dev, 0x02, dev->frontend.reg[2]);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error, "gl841_set_fe: writing reg2 failed: %s\n",
|
|
sane_strstatus (status));
|
|
return status;
|
|
}
|
|
}
|
|
|
|
status = sanei_genesys_fe_write_data (dev, 0x01, dev->frontend.reg[1]);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error, "gl841_set_fe: writing reg1 failed: %s\n",
|
|
sane_strstatus (status));
|
|
return status;
|
|
}
|
|
|
|
status = sanei_genesys_fe_write_data (dev, 0x03, dev->frontend.reg[3]);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error, "gl841_set_fe: writing reg3 failed: %s\n",
|
|
sane_strstatus (status));
|
|
return status;
|
|
}
|
|
|
|
status = sanei_genesys_fe_write_data (dev, 0x06, dev->frontend.reg2[0]);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error, "gl841_set_fe: writing reg6 failed: %s\n",
|
|
sane_strstatus (status));
|
|
return status;
|
|
}
|
|
|
|
status = sanei_genesys_fe_write_data (dev, 0x08, dev->frontend.reg2[1]);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error, "gl841_set_fe: writing reg8 failed: %s\n",
|
|
sane_strstatus (status));
|
|
return status;
|
|
}
|
|
|
|
status = sanei_genesys_fe_write_data (dev, 0x09, dev->frontend.reg2[2]);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error, "gl841_set_fe: writing reg9 failed: %s\n",
|
|
sane_strstatus (status));
|
|
return status;
|
|
}
|
|
|
|
for (i = 0; i < 3; i++)
|
|
{
|
|
status =
|
|
sanei_genesys_fe_write_data (dev, 0x24 + i, dev->frontend.sign[i]);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error,
|
|
"gl841_set_fe: writing sign[%d] failed: %s\n", i,
|
|
sane_strstatus (status));
|
|
return status;
|
|
}
|
|
|
|
status =
|
|
sanei_genesys_fe_write_data (dev, 0x28 + i, dev->frontend.gain[i]);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error,
|
|
"gl841_set_fe: writing gain[%d] failed: %s\n", i,
|
|
sane_strstatus (status));
|
|
return status;
|
|
}
|
|
|
|
status =
|
|
sanei_genesys_fe_write_data (dev, 0x20 + i,
|
|
dev->frontend.offset[i]);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error,
|
|
"gl841_set_fe: writing offset[%d] failed: %s\n", i,
|
|
sane_strstatus (status));
|
|
return status;
|
|
}
|
|
}
|
|
|
|
|
|
DBG (DBG_proc, "gl841_set_fe: completed\n");
|
|
|
|
return SANE_STATUS_GOOD;
|
|
}
|
|
|
|
#define MOTOR_ACTION_FEED 1
|
|
#define MOTOR_ACTION_GO_HOME 2
|
|
#define MOTOR_ACTION_HOME_FREE 3
|
|
|
|
/** @brief turn off motor
|
|
*
|
|
*/
|
|
static SANE_Status
|
|
gl841_init_motor_regs_off(Genesys_Register_Set * reg,
|
|
unsigned int scan_lines)
|
|
{
|
|
unsigned int feedl;
|
|
Genesys_Register_Set * r;
|
|
|
|
DBG (DBG_proc, "gl841_init_motor_regs_off : scan_lines=%d\n",
|
|
scan_lines);
|
|
|
|
feedl = 2;
|
|
|
|
r = sanei_genesys_get_address (reg, 0x3d);
|
|
r->value = (feedl >> 16) & 0xf;
|
|
r = sanei_genesys_get_address (reg, 0x3e);
|
|
r->value = (feedl >> 8) & 0xff;
|
|
r = sanei_genesys_get_address (reg, 0x3f);
|
|
r->value = feedl & 0xff;
|
|
r = sanei_genesys_get_address (reg, 0x5e);
|
|
r->value &= ~0xe0;
|
|
|
|
r = sanei_genesys_get_address (reg, 0x25);
|
|
r->value = (scan_lines >> 16) & 0xf;
|
|
r = sanei_genesys_get_address (reg, 0x26);
|
|
r->value = (scan_lines >> 8) & 0xff;
|
|
r = sanei_genesys_get_address (reg, 0x27);
|
|
r->value = scan_lines & 0xff;
|
|
|
|
r = sanei_genesys_get_address (reg, 0x02);
|
|
r->value &= ~0x01; /*LONGCURV OFF*/
|
|
r->value &= ~0x80; /*NOT_HOME OFF*/
|
|
|
|
r->value &= ~0x10;
|
|
|
|
r->value &= ~0x06;
|
|
|
|
r->value &= ~0x08;
|
|
|
|
r->value &= ~0x20;
|
|
|
|
r->value &= ~0x40;
|
|
|
|
r = sanei_genesys_get_address (reg, 0x67);
|
|
r->value = 0x3f;
|
|
|
|
r = sanei_genesys_get_address (reg, 0x68);
|
|
r->value = 0x3f;
|
|
|
|
r = sanei_genesys_get_address (reg, REG_STEPNO);
|
|
r->value = 0;
|
|
|
|
r = sanei_genesys_get_address (reg, REG_FASTNO);
|
|
r->value = 0;
|
|
|
|
r = sanei_genesys_get_address (reg, 0x69);
|
|
r->value = 0;
|
|
|
|
r = sanei_genesys_get_address (reg, 0x6a);
|
|
r->value = 0;
|
|
|
|
r = sanei_genesys_get_address (reg, 0x5f);
|
|
r->value = 0;
|
|
|
|
|
|
DBGCOMPLETED;
|
|
return SANE_STATUS_GOOD;
|
|
}
|
|
|
|
/** @brief write motor table frequency
|
|
* Write motor frequency data table.
|
|
* @param dev device to set up motor
|
|
* @param ydpi motor target resolution
|
|
* @return SANE_STATUS_GOOD on success
|
|
*/
|
|
GENESYS_STATIC SANE_Status gl841_write_freq(Genesys_Device *dev, unsigned int ydpi)
|
|
{
|
|
SANE_Status status;
|
|
/**< fast table */
|
|
uint8_t tdefault[] = {0x18,0x36,0x18,0x36,0x18,0x36,0x18,0x36,0x18,0x36,0x18,0x36,0x18,0x36,0x18,0x36,0x18,0x36,0x18,0x36,0x18,0x36,0x18,0x36,0x18,0x36,0x18,0x36,0x18,0x36,0x18,0x36,0x18,0xb6,0x18,0xb6,0x18,0xb6,0x18,0xb6,0x18,0xb6,0x18,0xb6,0x18,0xb6,0x18,0xb6,0x18,0xb6,0x18,0xb6,0x18,0xb6,0x18,0xb6,0x18,0xb6,0x18,0xb6,0x18,0xb6,0x18,0xb6,0x18,0xf6,0x18,0xf6,0x18,0xf6,0x18,0xf6,0x18,0xf6,0x18,0xf6,0x18,0xf6,0x18,0xf6,0x18,0xf6,0x18,0xf6,0x18,0xf6,0x18,0xf6,0x18,0xf6,0x18,0xf6,0x18,0xf6,0x18,0xf6,0x18,0x76,0x18,0x76,0x18,0x76,0x18,0x76,0x18,0x76,0x18,0x76,0x18,0x76,0x18,0x76,0x18,0x76,0x18,0x76,0x18,0x76,0x18,0x76,0x18,0x76,0x18,0x76,0x18,0x76,0x18,0x76};
|
|
uint8_t t1200[] = {0xc7,0x31,0xc7,0x31,0xc7,0x31,0xc7,0x31,0xc7,0x31,0xc7,0x31,0xc7,0x31,0xc7,0x31,0xc0,0x11,0xc0,0x11,0xc0,0x11,0xc0,0x11,0xc0,0x11,0xc0,0x11,0xc0,0x11,0xc0,0x11,0xc7,0xb1,0xc7,0xb1,0xc7,0xb1,0xc7,0xb1,0xc7,0xb1,0xc7,0xb1,0xc7,0xb1,0xc7,0xb1,0x07,0xe0,0x07,0xe0,0x07,0xe0,0x07,0xe0,0x07,0xe0,0x07,0xe0,0x07,0xe0,0x07,0xe0,0xc7,0xf1,0xc7,0xf1,0xc7,0xf1,0xc7,0xf1,0xc7,0xf1,0xc7,0xf1,0xc7,0xf1,0xc7,0xf1,0xc0,0x51,0xc0,0x51,0xc0,0x51,0xc0,0x51,0xc0,0x51,0xc0,0x51,0xc0,0x51,0xc0,0x51,0xc7,0x71,0xc7,0x71,0xc7,0x71,0xc7,0x71,0xc7,0x71,0xc7,0x71,0xc7,0x71,0xc7,0x71,0x07,0x20,0x07,0x20,0x07,0x20,0x07,0x20,0x07,0x20,0x07,0x20,0x07,0x20,0x07,0x20};
|
|
uint8_t t300[] = {0x08,0x32,0x08,0x32,0x08,0x32,0x08,0x32,0x08,0x32,0x08,0x32,0x08,0x32,0x08,0x32,0x00,0x13,0x00,0x13,0x00,0x13,0x00,0x13,0x00,0x13,0x00,0x13,0x00,0x13,0x00,0x13,0x08,0xb2,0x08,0xb2,0x08,0xb2,0x08,0xb2,0x08,0xb2,0x08,0xb2,0x08,0xb2,0x08,0xb2,0x0c,0xa0,0x0c,0xa0,0x0c,0xa0,0x0c,0xa0,0x0c,0xa0,0x0c,0xa0,0x0c,0xa0,0x0c,0xa0,0x08,0xf2,0x08,0xf2,0x08,0xf2,0x08,0xf2,0x08,0xf2,0x08,0xf2,0x08,0xf2,0x08,0xf2,0x00,0xd3,0x00,0xd3,0x00,0xd3,0x00,0xd3,0x00,0xd3,0x00,0xd3,0x00,0xd3,0x00,0xd3,0x08,0x72,0x08,0x72,0x08,0x72,0x08,0x72,0x08,0x72,0x08,0x72,0x08,0x72,0x08,0x72,0x0c,0x60,0x0c,0x60,0x0c,0x60,0x0c,0x60,0x0c,0x60,0x0c,0x60,0x0c,0x60,0x0c,0x60};
|
|
uint8_t t150[] = {0x0c,0x33,0xcf,0x33,0xcf,0x33,0xcf,0x33,0xcf,0x33,0xcf,0x33,0xcf,0x33,0xcf,0x33,0x40,0x14,0x80,0x15,0x80,0x15,0x80,0x15,0x80,0x15,0x80,0x15,0x80,0x15,0x80,0x15,0x0c,0xb3,0xcf,0xb3,0xcf,0xb3,0xcf,0xb3,0xcf,0xb3,0xcf,0xb3,0xcf,0xb3,0xcf,0xb3,0x11,0xa0,0x16,0xa0,0x16,0xa0,0x16,0xa0,0x16,0xa0,0x16,0xa0,0x16,0xa0,0x16,0xa0,0x0c,0xf3,0xcf,0xf3,0xcf,0xf3,0xcf,0xf3,0xcf,0xf3,0xcf,0xf3,0xcf,0xf3,0xcf,0xf3,0x40,0xd4,0x80,0xd5,0x80,0xd5,0x80,0xd5,0x80,0xd5,0x80,0xd5,0x80,0xd5,0x80,0xd5,0x0c,0x73,0xcf,0x73,0xcf,0x73,0xcf,0x73,0xcf,0x73,0xcf,0x73,0xcf,0x73,0xcf,0x73,0x11,0x60,0x16,0x60,0x16,0x60,0x16,0x60,0x16,0x60,0x16,0x60,0x16,0x60,0x16,0x60};
|
|
|
|
uint8_t *table;
|
|
|
|
DBGSTART;
|
|
if(dev->model->motor_type == MOTOR_CANONLIDE80)
|
|
{
|
|
switch(ydpi)
|
|
{
|
|
case 3600:
|
|
case 1200:
|
|
table=t1200;
|
|
break;
|
|
case 900:
|
|
case 300:
|
|
table=t300;
|
|
break;
|
|
case 450:
|
|
case 150:
|
|
table=t150;
|
|
break;
|
|
default:
|
|
table=tdefault;
|
|
}
|
|
RIE(sanei_genesys_write_register(dev, 0x66, 0x00));
|
|
RIE(sanei_genesys_write_register(dev, 0x5b, 0x0c));
|
|
RIE(sanei_genesys_write_register(dev, 0x5c, 0x00));
|
|
RIE(gl841_bulk_write_data_gamma (dev, 0x28, table, 128));
|
|
RIE(sanei_genesys_write_register(dev, 0x5b, 0x00));
|
|
RIE(sanei_genesys_write_register(dev, 0x5c, 0x00));
|
|
}
|
|
DBGCOMPLETED;
|
|
return SANE_STATUS_GOOD;
|
|
}
|
|
|
|
|
|
#ifndef UNIT_TESTING
|
|
static
|
|
#endif
|
|
SANE_Status
|
|
gl841_init_motor_regs(Genesys_Device * dev,
|
|
Genesys_Register_Set * reg,
|
|
unsigned int feed_steps,/*1/base_ydpi*/
|
|
/*maybe float for half/quarter step resolution?*/
|
|
unsigned int action,
|
|
unsigned int flags)
|
|
{
|
|
SANE_Status status;
|
|
unsigned int fast_exposure;
|
|
int scan_power_mode;
|
|
int use_fast_fed = 0;
|
|
uint16_t fast_slope_table[256];
|
|
unsigned int fast_slope_steps = 0;
|
|
unsigned int feedl;
|
|
Genesys_Register_Set * r;
|
|
/*number of scan lines to add in a scan_lines line*/
|
|
|
|
DBG (DBG_proc, "gl841_init_motor_regs : feed_steps=%d, action=%d, flags=%x\n",
|
|
feed_steps,
|
|
action,
|
|
flags);
|
|
|
|
memset(fast_slope_table,0xff,512);
|
|
|
|
gl841_send_slope_table (dev, 0, fast_slope_table, 256);
|
|
gl841_send_slope_table (dev, 1, fast_slope_table, 256);
|
|
gl841_send_slope_table (dev, 2, fast_slope_table, 256);
|
|
gl841_send_slope_table (dev, 3, fast_slope_table, 256);
|
|
gl841_send_slope_table (dev, 4, fast_slope_table, 256);
|
|
|
|
gl841_write_freq(dev, dev->motor.base_ydpi / 4);
|
|
|
|
fast_slope_steps = 256;
|
|
if (action == MOTOR_ACTION_FEED || action == MOTOR_ACTION_GO_HOME)
|
|
{
|
|
/* FEED and GO_HOME can use fastest slopes available */
|
|
fast_exposure = gl841_exposure_time(dev,
|
|
dev->motor.base_ydpi / 4,
|
|
0,
|
|
0,
|
|
0,
|
|
&scan_power_mode);
|
|
DBG (DBG_info, "%s : fast_exposure=%d pixels\n", __func__, fast_exposure);
|
|
}
|
|
|
|
if (action == MOTOR_ACTION_HOME_FREE) {
|
|
/* HOME_FREE must be able to stop in one step, so do not try to get faster */
|
|
fast_exposure = dev->motor.slopes[0][0].maximum_start_speed;
|
|
}
|
|
|
|
sanei_genesys_create_slope_table3 (
|
|
dev,
|
|
fast_slope_table,
|
|
256,
|
|
fast_slope_steps,
|
|
0,
|
|
fast_exposure,
|
|
dev->motor.base_ydpi / 4,
|
|
&fast_slope_steps,
|
|
&fast_exposure, 0);
|
|
|
|
feedl = feed_steps - fast_slope_steps*2;
|
|
use_fast_fed = 1;
|
|
|
|
/* all needed slopes available. we did even decide which mode to use.
|
|
what next?
|
|
- transfer slopes
|
|
SCAN:
|
|
flags \ use_fast_fed ! 0 1
|
|
------------------------\--------------------
|
|
0 ! 0,1,2 0,1,2,3
|
|
MOTOR_FLAG_AUTO_GO_HOME ! 0,1,2,4 0,1,2,3,4
|
|
OFF: none
|
|
FEED: 3
|
|
GO_HOME: 3
|
|
HOME_FREE: 3
|
|
- setup registers
|
|
* slope specific registers (already done)
|
|
* DECSEL for HOME_FREE/GO_HOME/SCAN
|
|
* FEEDL
|
|
* MTRREV
|
|
* MTRPWR
|
|
* FASTFED
|
|
* STEPSEL
|
|
* MTRPWM
|
|
* FSTPSEL
|
|
* FASTPWM
|
|
* HOMENEG
|
|
* BWDSTEP
|
|
* FWDSTEP
|
|
* Z1
|
|
* Z2
|
|
*/
|
|
|
|
r = sanei_genesys_get_address (reg, 0x3d);
|
|
r->value = (feedl >> 16) & 0xf;
|
|
r = sanei_genesys_get_address (reg, 0x3e);
|
|
r->value = (feedl >> 8) & 0xff;
|
|
r = sanei_genesys_get_address (reg, 0x3f);
|
|
r->value = feedl & 0xff;
|
|
r = sanei_genesys_get_address (reg, 0x5e);
|
|
r->value &= ~0xe0;
|
|
|
|
r = sanei_genesys_get_address (reg, 0x25);
|
|
r->value = 0;
|
|
r = sanei_genesys_get_address (reg, 0x26);
|
|
r->value = 0;
|
|
r = sanei_genesys_get_address (reg, 0x27);
|
|
r->value = 0;
|
|
|
|
r = sanei_genesys_get_address (reg, 0x02);
|
|
r->value &= ~0x01; /*LONGCURV OFF*/
|
|
r->value &= ~0x80; /*NOT_HOME OFF*/
|
|
|
|
r->value |= 0x10;
|
|
|
|
if (action == MOTOR_ACTION_GO_HOME)
|
|
r->value |= 0x06;
|
|
else
|
|
r->value &= ~0x06;
|
|
|
|
if (use_fast_fed)
|
|
r->value |= 0x08;
|
|
else
|
|
r->value &= ~0x08;
|
|
|
|
if (flags & MOTOR_FLAG_AUTO_GO_HOME)
|
|
r->value |= 0x20;
|
|
else
|
|
r->value &= ~0x20;
|
|
|
|
r->value &= ~0x40;
|
|
|
|
status = gl841_send_slope_table (dev, 3, fast_slope_table, 256);
|
|
|
|
if (status != SANE_STATUS_GOOD)
|
|
return status;
|
|
|
|
r = sanei_genesys_get_address (reg, 0x67);
|
|
r->value = 0x3f;
|
|
|
|
r = sanei_genesys_get_address (reg, 0x68);
|
|
r->value = 0x3f;
|
|
|
|
r = sanei_genesys_get_address (reg, REG_STEPNO);
|
|
r->value = 0;
|
|
|
|
r = sanei_genesys_get_address (reg, REG_FASTNO);
|
|
r->value = 0;
|
|
|
|
r = sanei_genesys_get_address (reg, 0x69);
|
|
r->value = 0;
|
|
|
|
r = sanei_genesys_get_address (reg, 0x6a);
|
|
r->value = (fast_slope_steps >> 1) + (fast_slope_steps & 1);
|
|
|
|
r = sanei_genesys_get_address (reg, 0x5f);
|
|
r->value = (fast_slope_steps >> 1) + (fast_slope_steps & 1);
|
|
|
|
|
|
DBGCOMPLETED;
|
|
return SANE_STATUS_GOOD;
|
|
}
|
|
|
|
#ifndef UNIT_TESTING
|
|
static
|
|
#endif
|
|
SANE_Status
|
|
gl841_init_motor_regs_scan(Genesys_Device * dev,
|
|
Genesys_Register_Set * reg,
|
|
unsigned int scan_exposure_time,/*pixel*/
|
|
float scan_yres,/*dpi, motor resolution*/
|
|
int scan_step_type,/*0: full, 1: half, 2: quarter*/
|
|
unsigned int scan_lines,/*lines, scan resolution*/
|
|
unsigned int scan_dummy,
|
|
/*number of scan lines to add in a scan_lines line*/
|
|
unsigned int feed_steps,/*1/base_ydpi*/
|
|
/*maybe float for half/quarter step resolution?*/
|
|
int scan_power_mode,
|
|
unsigned int flags)
|
|
{
|
|
SANE_Status status;
|
|
unsigned int fast_exposure;
|
|
int use_fast_fed = 0;
|
|
int dummy_power_mode;
|
|
unsigned int fast_time;
|
|
unsigned int slow_time;
|
|
uint16_t slow_slope_table[256];
|
|
uint16_t fast_slope_table[256];
|
|
uint16_t back_slope_table[256];
|
|
unsigned int slow_slope_time;
|
|
unsigned int fast_slope_time;
|
|
unsigned int slow_slope_steps = 0;
|
|
unsigned int fast_slope_steps = 0;
|
|
unsigned int back_slope_steps = 0;
|
|
unsigned int feedl;
|
|
Genesys_Register_Set * r;
|
|
unsigned int min_restep = 0x20;
|
|
uint32_t z1, z2;
|
|
|
|
DBG (DBG_proc, "gl841_init_motor_regs_scan : scan_exposure_time=%d, "
|
|
"scan_yres=%g, scan_step_type=%d, scan_lines=%d, scan_dummy=%d, "
|
|
"feed_steps=%d, scan_power_mode=%d, flags=%x\n",
|
|
scan_exposure_time,
|
|
scan_yres,
|
|
scan_step_type,
|
|
scan_lines,
|
|
scan_dummy,
|
|
feed_steps,
|
|
scan_power_mode,
|
|
flags);
|
|
|
|
fast_exposure = gl841_exposure_time(dev,
|
|
dev->motor.base_ydpi / 4,
|
|
0,
|
|
0,
|
|
0,
|
|
&dummy_power_mode);
|
|
|
|
DBG (DBG_info, "%s : fast_exposure=%d pixels\n", __func__, fast_exposure);
|
|
|
|
memset(slow_slope_table,0xff,512);
|
|
|
|
gl841_send_slope_table (dev, 0, slow_slope_table, 256);
|
|
gl841_send_slope_table (dev, 1, slow_slope_table, 256);
|
|
gl841_send_slope_table (dev, 2, slow_slope_table, 256);
|
|
gl841_send_slope_table (dev, 3, slow_slope_table, 256);
|
|
gl841_send_slope_table (dev, 4, slow_slope_table, 256);
|
|
|
|
/* motor frequency table */
|
|
gl841_write_freq(dev, scan_yres);
|
|
|
|
/*
|
|
we calculate both tables for SCAN. the fast slope step count depends on
|
|
how many steps we need for slow acceleration and how much steps we are
|
|
allowed to use.
|
|
*/
|
|
slow_slope_time = sanei_genesys_create_slope_table3 (
|
|
dev,
|
|
slow_slope_table, 256,
|
|
256,
|
|
scan_step_type,
|
|
scan_exposure_time,
|
|
scan_yres,
|
|
&slow_slope_steps,
|
|
NULL,
|
|
scan_power_mode);
|
|
|
|
sanei_genesys_create_slope_table3 (
|
|
dev,
|
|
back_slope_table, 256,
|
|
256,
|
|
scan_step_type,
|
|
0,
|
|
scan_yres,
|
|
&back_slope_steps,
|
|
NULL,
|
|
scan_power_mode);
|
|
|
|
if (feed_steps < (slow_slope_steps >> scan_step_type)) {
|
|
/*TODO: what should we do here?? go back to exposure calculation?*/
|
|
feed_steps = slow_slope_steps >> scan_step_type;
|
|
}
|
|
|
|
if (feed_steps > fast_slope_steps*2 -
|
|
(slow_slope_steps >> scan_step_type))
|
|
fast_slope_steps = 256;
|
|
else
|
|
/* we need to shorten fast_slope_steps here. */
|
|
fast_slope_steps = (feed_steps -
|
|
(slow_slope_steps >> scan_step_type))/2;
|
|
|
|
DBG(DBG_info,"gl841_init_motor_regs_scan: Maximum allowed slope steps for fast slope: %d\n",fast_slope_steps);
|
|
|
|
fast_slope_time = sanei_genesys_create_slope_table3 (
|
|
dev,
|
|
fast_slope_table, 256,
|
|
fast_slope_steps,
|
|
0,
|
|
fast_exposure,
|
|
dev->motor.base_ydpi / 4,
|
|
&fast_slope_steps,
|
|
&fast_exposure,
|
|
scan_power_mode);
|
|
|
|
/* fast fed special cases handling */
|
|
if (dev->model->gpo_type == GPO_XP300
|
|
|| dev->model->gpo_type == GPO_DP685)
|
|
{
|
|
/* quirk: looks like at least this scanner is unable to use
|
|
2-feed mode */
|
|
use_fast_fed = 0;
|
|
}
|
|
else if (feed_steps < fast_slope_steps*2 + (slow_slope_steps >> scan_step_type)) {
|
|
use_fast_fed = 0;
|
|
DBG(DBG_info,"gl841_init_motor_regs_scan: feed too short, slow move forced.\n");
|
|
} else {
|
|
/* for deciding whether we should use fast mode we need to check how long we
|
|
need for (fast)accelerating, moving, decelerating, (TODO: stopping?)
|
|
(slow)accelerating again versus (slow)accelerating and moving. we need
|
|
fast and slow tables here.
|
|
*/
|
|
/*NOTE: scan_exposure_time is per scan_yres*/
|
|
/*NOTE: fast_exposure is per base_ydpi/4*/
|
|
/*we use full steps as base unit here*/
|
|
fast_time =
|
|
fast_exposure / 4 *
|
|
(feed_steps - fast_slope_steps*2 -
|
|
(slow_slope_steps >> scan_step_type))
|
|
+ fast_slope_time*2 + slow_slope_time;
|
|
slow_time =
|
|
(scan_exposure_time * scan_yres) / dev->motor.base_ydpi *
|
|
(feed_steps - (slow_slope_steps >> scan_step_type))
|
|
+ slow_slope_time;
|
|
|
|
DBG(DBG_info,"gl841_init_motor_regs_scan: Time for slow move: %d\n",
|
|
slow_time);
|
|
DBG(DBG_info,"gl841_init_motor_regs_scan: Time for fast move: %d\n",
|
|
fast_time);
|
|
|
|
use_fast_fed = fast_time < slow_time;
|
|
}
|
|
|
|
if (use_fast_fed)
|
|
feedl = feed_steps - fast_slope_steps*2 -
|
|
(slow_slope_steps >> scan_step_type);
|
|
else
|
|
if ((feed_steps << scan_step_type) < slow_slope_steps)
|
|
feedl = 0;
|
|
else
|
|
feedl = (feed_steps << scan_step_type) - slow_slope_steps;
|
|
DBG(DBG_info,"gl841_init_motor_regs_scan: Decided to use %s mode\n",
|
|
use_fast_fed?"fast feed":"slow feed");
|
|
|
|
/* all needed slopes available. we did even decide which mode to use.
|
|
what next?
|
|
- transfer slopes
|
|
SCAN:
|
|
flags \ use_fast_fed ! 0 1
|
|
------------------------\--------------------
|
|
0 ! 0,1,2 0,1,2,3
|
|
MOTOR_FLAG_AUTO_GO_HOME ! 0,1,2,4 0,1,2,3,4
|
|
OFF: none
|
|
FEED: 3
|
|
GO_HOME: 3
|
|
HOME_FREE: 3
|
|
- setup registers
|
|
* slope specific registers (already done)
|
|
* DECSEL for HOME_FREE/GO_HOME/SCAN
|
|
* FEEDL
|
|
* MTRREV
|
|
* MTRPWR
|
|
* FASTFED
|
|
* STEPSEL
|
|
* MTRPWM
|
|
* FSTPSEL
|
|
* FASTPWM
|
|
* HOMENEG
|
|
* BWDSTEP
|
|
* FWDSTEP
|
|
* Z1
|
|
* Z2
|
|
*/
|
|
|
|
r = sanei_genesys_get_address (reg, 0x3d);
|
|
r->value = (feedl >> 16) & 0xf;
|
|
r = sanei_genesys_get_address (reg, 0x3e);
|
|
r->value = (feedl >> 8) & 0xff;
|
|
r = sanei_genesys_get_address (reg, 0x3f);
|
|
r->value = feedl & 0xff;
|
|
r = sanei_genesys_get_address (reg, 0x5e);
|
|
r->value &= ~0xe0;
|
|
|
|
r = sanei_genesys_get_address (reg, 0x25);
|
|
r->value = (scan_lines >> 16) & 0xf;
|
|
r = sanei_genesys_get_address (reg, 0x26);
|
|
r->value = (scan_lines >> 8) & 0xff;
|
|
r = sanei_genesys_get_address (reg, 0x27);
|
|
r->value = scan_lines & 0xff;
|
|
|
|
r = sanei_genesys_get_address (reg, 0x02);
|
|
r->value &= ~0x01; /*LONGCURV OFF*/
|
|
r->value &= ~0x80; /*NOT_HOME OFF*/
|
|
r->value |= 0x10;
|
|
|
|
r->value &= ~0x06;
|
|
|
|
if (use_fast_fed)
|
|
r->value |= 0x08;
|
|
else
|
|
r->value &= ~0x08;
|
|
|
|
if (flags & MOTOR_FLAG_AUTO_GO_HOME)
|
|
r->value |= 0x20;
|
|
else
|
|
r->value &= ~0x20;
|
|
|
|
if (flags & MOTOR_FLAG_DISABLE_BUFFER_FULL_MOVE)
|
|
r->value |= 0x40;
|
|
else
|
|
r->value &= ~0x40;
|
|
|
|
status = gl841_send_slope_table (dev, 0, slow_slope_table, 256);
|
|
|
|
if (status != SANE_STATUS_GOOD)
|
|
return status;
|
|
|
|
status = gl841_send_slope_table (dev, 1, back_slope_table, 256);
|
|
|
|
if (status != SANE_STATUS_GOOD)
|
|
return status;
|
|
|
|
status = gl841_send_slope_table (dev, 2, slow_slope_table, 256);
|
|
|
|
if (status != SANE_STATUS_GOOD)
|
|
return status;
|
|
|
|
if (use_fast_fed) {
|
|
status = gl841_send_slope_table (dev, 3, fast_slope_table, 256);
|
|
|
|
if (status != SANE_STATUS_GOOD)
|
|
return status;
|
|
}
|
|
|
|
if (flags & MOTOR_FLAG_AUTO_GO_HOME){
|
|
status = gl841_send_slope_table (dev, 4, fast_slope_table, 256);
|
|
|
|
if (status != SANE_STATUS_GOOD)
|
|
return status;
|
|
}
|
|
|
|
|
|
/* now reg 0x21 and 0x24 are available, we can calculate reg 0x22 and 0x23,
|
|
reg 0x60-0x62 and reg 0x63-0x65
|
|
rule:
|
|
2*STEPNO+FWDSTEP=2*FASTNO+BWDSTEP
|
|
*/
|
|
/* steps of table 0*/
|
|
if (min_restep < slow_slope_steps*2+2)
|
|
min_restep = slow_slope_steps*2+2;
|
|
/* steps of table 1*/
|
|
if (min_restep < back_slope_steps*2+2)
|
|
min_restep = back_slope_steps*2+2;
|
|
/* steps of table 0*/
|
|
r = sanei_genesys_get_address (reg, REG_FWDSTEP);
|
|
r->value = min_restep - slow_slope_steps*2;
|
|
/* steps of table 1*/
|
|
r = sanei_genesys_get_address (reg, REG_BWDSTEP);
|
|
r->value = min_restep - back_slope_steps*2;
|
|
|
|
/*
|
|
for z1/z2:
|
|
in dokumentation mentioned variables a-d:
|
|
a = time needed for acceleration, table 1
|
|
b = time needed for reg 0x1f... wouldn't that be reg0x1f*exposure_time?
|
|
c = time needed for acceleration, table 1
|
|
d = time needed for reg 0x22... wouldn't that be reg0x22*exposure_time?
|
|
z1 = (c+d-1) % exposure_time
|
|
z2 = (a+b-1) % exposure_time
|
|
*/
|
|
/* i don't see any effect of this. i can only guess that this will enhance
|
|
sub-pixel accuracy
|
|
z1 = (slope_0_time-1) % exposure_time;
|
|
z2 = (slope_0_time-1) % exposure_time;
|
|
*/
|
|
z1 = z2 = 0;
|
|
|
|
DBG (DBG_info, "gl841_init_motor_regs_scan: z1 = %d\n", z1);
|
|
DBG (DBG_info, "gl841_init_motor_regs_scan: z2 = %d\n", z2);
|
|
r = sanei_genesys_get_address (reg, 0x60);
|
|
r->value = ((z1 >> 16) & 0xff);
|
|
r = sanei_genesys_get_address (reg, 0x61);
|
|
r->value = ((z1 >> 8) & 0xff);
|
|
r = sanei_genesys_get_address (reg, 0x62);
|
|
r->value = (z1 & 0xff);
|
|
r = sanei_genesys_get_address (reg, 0x63);
|
|
r->value = ((z2 >> 16) & 0xff);
|
|
r = sanei_genesys_get_address (reg, 0x64);
|
|
r->value = ((z2 >> 8) & 0xff);
|
|
r = sanei_genesys_get_address (reg, 0x65);
|
|
r->value = (z2 & 0xff);
|
|
|
|
r = sanei_genesys_get_address (reg, REG1E);
|
|
r->value &= REG1E_WDTIME;
|
|
r->value |= scan_dummy;
|
|
|
|
r = sanei_genesys_get_address (reg, 0x67);
|
|
r->value = 0x3f | (scan_step_type << 6);
|
|
|
|
r = sanei_genesys_get_address (reg, 0x68);
|
|
r->value = 0x3f;
|
|
|
|
r = sanei_genesys_get_address (reg, REG_STEPNO);
|
|
r->value = (slow_slope_steps >> 1) + (slow_slope_steps & 1);
|
|
|
|
r = sanei_genesys_get_address (reg, REG_FASTNO);
|
|
r->value = (back_slope_steps >> 1) + (back_slope_steps & 1);
|
|
|
|
r = sanei_genesys_get_address (reg, 0x69);
|
|
r->value = (slow_slope_steps >> 1) + (slow_slope_steps & 1);
|
|
|
|
r = sanei_genesys_get_address (reg, 0x6a);
|
|
r->value = (fast_slope_steps >> 1) + (fast_slope_steps & 1);
|
|
|
|
r = sanei_genesys_get_address (reg, 0x5f);
|
|
r->value = (fast_slope_steps >> 1) + (fast_slope_steps & 1);
|
|
|
|
|
|
DBGCOMPLETED;
|
|
return SANE_STATUS_GOOD;
|
|
}
|
|
|
|
static int
|
|
gl841_get_dpihw(Genesys_Device * dev)
|
|
{
|
|
Genesys_Register_Set * r;
|
|
r = sanei_genesys_get_address (dev->reg, 0x05);
|
|
if ((r->value & REG05_DPIHW) == REG05_DPIHW_600)
|
|
return 600;
|
|
if ((r->value & REG05_DPIHW) == REG05_DPIHW_1200)
|
|
return 1200;
|
|
if ((r->value & REG05_DPIHW) == REG05_DPIHW_2400)
|
|
return 2400;
|
|
return 0;
|
|
}
|
|
|
|
static SANE_Status
|
|
gl841_init_optical_regs_off(Genesys_Register_Set * reg)
|
|
{
|
|
Genesys_Register_Set * r;
|
|
|
|
DBGSTART;
|
|
|
|
r = sanei_genesys_get_address (reg, 0x01);
|
|
r->value &= ~REG01_SCAN;
|
|
|
|
DBGCOMPLETED;
|
|
return SANE_STATUS_GOOD;
|
|
}
|
|
|
|
static SANE_Status
|
|
gl841_init_optical_regs_scan(Genesys_Device * dev,
|
|
Genesys_Register_Set * reg,
|
|
unsigned int exposure_time,
|
|
unsigned int used_res,
|
|
unsigned int start,
|
|
unsigned int pixels,
|
|
int channels,
|
|
int depth,
|
|
SANE_Bool half_ccd,
|
|
int color_filter,
|
|
int flags
|
|
)
|
|
{
|
|
unsigned int words_per_line;
|
|
unsigned int end;
|
|
unsigned int dpiset;
|
|
unsigned int i;
|
|
Genesys_Register_Set * r;
|
|
SANE_Status status;
|
|
uint16_t expavg, expr, expb, expg;
|
|
|
|
DBG (DBG_proc, "gl841_init_optical_regs_scan : exposure_time=%d, "
|
|
"used_res=%d, start=%d, pixels=%d, channels=%d, depth=%d, "
|
|
"half_ccd=%d, flags=%x\n",
|
|
exposure_time,
|
|
used_res,
|
|
start,
|
|
pixels,
|
|
channels,
|
|
depth,
|
|
half_ccd,
|
|
flags);
|
|
|
|
end = start + pixels;
|
|
|
|
status = gl841_set_fe (dev, AFE_SET);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error,
|
|
"gl841_init_optical_regs_scan: failed to set frontend: %s\n",
|
|
sane_strstatus (status));
|
|
return status;
|
|
}
|
|
|
|
/* adjust used_res for chosen dpihw */
|
|
used_res = used_res * gl841_get_dpihw(dev) / dev->sensor.optical_res;
|
|
|
|
/*
|
|
with half_ccd the optical resolution of the ccd is halved. We don't apply this
|
|
to dpihw, so we need to double dpiset.
|
|
|
|
For the scanner only the ratio of dpiset and dpihw is of relevance to scale
|
|
down properly.
|
|
*/
|
|
if (half_ccd)
|
|
dpiset = used_res * 2;
|
|
else
|
|
dpiset = used_res;
|
|
|
|
/* gpio part.*/
|
|
if (dev->model->gpo_type == GPO_CANONLIDE35)
|
|
{
|
|
r = sanei_genesys_get_address (reg, REG6C);
|
|
if (half_ccd)
|
|
r->value &= ~0x80;
|
|
else
|
|
r->value |= 0x80;
|
|
}
|
|
if (dev->model->gpo_type == GPO_CANONLIDE80)
|
|
{
|
|
r = sanei_genesys_get_address (reg, REG6C);
|
|
if (half_ccd)
|
|
{
|
|
r->value &= ~0x40;
|
|
r->value |= 0x20;
|
|
}
|
|
else
|
|
{
|
|
r->value &= ~0x20;
|
|
r->value |= 0x40;
|
|
}
|
|
}
|
|
|
|
/* enable shading */
|
|
r = sanei_genesys_get_address (reg, 0x01);
|
|
r->value |= REG01_SCAN;
|
|
if ((flags & OPTICAL_FLAG_DISABLE_SHADING) ||
|
|
(dev->model->flags & GENESYS_FLAG_NO_CALIBRATION))
|
|
r->value &= ~REG01_DVDSET;
|
|
else
|
|
r->value |= REG01_DVDSET;
|
|
|
|
/* average looks better than deletion, and we are already set up to
|
|
use one of the average enabled resolutions
|
|
*/
|
|
r = sanei_genesys_get_address (reg, 0x03);
|
|
r->value |= REG03_AVEENB;
|
|
if (flags & OPTICAL_FLAG_DISABLE_LAMP)
|
|
r->value &= ~REG03_LAMPPWR;
|
|
else
|
|
r->value |= REG03_LAMPPWR;
|
|
|
|
/* exposure times */
|
|
r = sanei_genesys_get_address (reg, 0x10);
|
|
for (i = 0; i < 6; i++, r++) {
|
|
if (flags & OPTICAL_FLAG_DISABLE_LAMP)
|
|
r->value = 0x01;/* 0x0101 is as off as possible */
|
|
else
|
|
{ /* EXP[R,G,B] only matter for CIS scanners */
|
|
if (dev->sensor.regs_0x10_0x1d[i] == 0x00)
|
|
r->value = 0x01; /*0x00 will not be accepted*/
|
|
else
|
|
r->value = dev->sensor.regs_0x10_0x1d[i];
|
|
}
|
|
}
|
|
|
|
r = sanei_genesys_get_address (reg, 0x19);
|
|
if (flags & OPTICAL_FLAG_DISABLE_LAMP)
|
|
r->value = 0xff;
|
|
else
|
|
r->value = 0x50;
|
|
|
|
/* BW threshold */
|
|
r = sanei_genesys_get_address (reg, 0x2e);
|
|
r->value = dev->settings.threshold;
|
|
r = sanei_genesys_get_address (reg, 0x2f);
|
|
r->value = dev->settings.threshold;
|
|
|
|
|
|
/* monochrome / color scan */
|
|
r = sanei_genesys_get_address (reg, 0x04);
|
|
switch (depth) {
|
|
case 1:
|
|
r->value &= ~REG04_BITSET;
|
|
r->value |= REG04_LINEART;
|
|
break;
|
|
case 8:
|
|
r->value &= ~(REG04_LINEART | REG04_BITSET);
|
|
break;
|
|
case 16:
|
|
r->value &= ~REG04_LINEART;
|
|
r->value |= REG04_BITSET;
|
|
break;
|
|
}
|
|
|
|
/* AFEMOD should depend on FESET, and we should set these
|
|
* bits separately */
|
|
r->value &= ~(REG04_FILTER | REG04_AFEMOD);
|
|
if (flags & OPTICAL_FLAG_ENABLE_LEDADD)
|
|
{
|
|
r->value |= 0x10; /* no filter */
|
|
}
|
|
else if (channels == 1)
|
|
{
|
|
switch (color_filter)
|
|
{
|
|
case 0:
|
|
r->value |= 0x14; /* red filter */
|
|
break;
|
|
case 1:
|
|
r->value |= 0x18; /* green filter */
|
|
break;
|
|
case 2:
|
|
r->value |= 0x1c; /* blue filter */
|
|
break;
|
|
default:
|
|
r->value |= 0x10; /* no filter */
|
|
break;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (dev->model->ccd_type == CCD_PLUSTEK_3600)
|
|
{
|
|
r->value |= 0x22; /* slow color pixel by pixel */
|
|
}
|
|
else
|
|
{
|
|
r->value |= 0x10; /* color pixel by pixel */
|
|
}
|
|
}
|
|
|
|
/* CIS scanners can do true gray by setting LEDADD */
|
|
r = sanei_genesys_get_address (reg, 0x87);
|
|
r->value &= ~REG87_LEDADD;
|
|
if (flags & OPTICAL_FLAG_ENABLE_LEDADD)
|
|
{
|
|
r->value |= REG87_LEDADD;
|
|
sanei_genesys_get_double (reg, REG_EXPR, &expr);
|
|
sanei_genesys_get_double (reg, REG_EXPG, &expg);
|
|
sanei_genesys_get_double (reg, REG_EXPB, &expb);
|
|
|
|
/* use minimal exposure for best image quality */
|
|
expavg = expg;
|
|
if (expr < expg)
|
|
expavg = expr;
|
|
if (expb < expavg)
|
|
expavg = expb;
|
|
|
|
sanei_genesys_set_double (dev->reg, REG_EXPR, expavg);
|
|
sanei_genesys_set_double (dev->reg, REG_EXPG, expavg);
|
|
sanei_genesys_set_double (dev->reg, REG_EXPB, expavg);
|
|
}
|
|
|
|
/* enable gamma tables */
|
|
r = sanei_genesys_get_address (reg, 0x05);
|
|
if (flags & OPTICAL_FLAG_DISABLE_GAMMA)
|
|
r->value &= ~REG05_GMMENB;
|
|
else
|
|
r->value |= REG05_GMMENB;
|
|
|
|
/* sensor parameters */
|
|
sanei_gl841_setup_sensor (dev, dev->reg, 1, half_ccd);
|
|
|
|
r = sanei_genesys_get_address (reg, 0x29);
|
|
r->value = 255; /*<<<"magic" number, only suitable for cis*/
|
|
|
|
sanei_genesys_set_double(reg, REG_DPISET, dpiset);
|
|
sanei_genesys_set_double(reg, REG_STRPIXEL, start);
|
|
sanei_genesys_set_double(reg, REG_ENDPIXEL, end);
|
|
DBG( DBG_io2, "%s: STRPIXEL=%d, ENDPIXEL=%d\n",__func__,start,end);
|
|
|
|
/* words(16bit) before gamma, conversion to 8 bit or lineart*/
|
|
words_per_line = (pixels * dpiset) / gl841_get_dpihw(dev);
|
|
|
|
words_per_line *= channels;
|
|
|
|
if (depth == 1)
|
|
words_per_line = (words_per_line >> 3) + ((words_per_line & 7)?1:0);
|
|
else
|
|
words_per_line *= depth / 8;
|
|
|
|
dev->wpl = words_per_line;
|
|
dev->bpl = words_per_line;
|
|
|
|
r = sanei_genesys_get_address (reg, 0x35);
|
|
r->value = LOBYTE (HIWORD (words_per_line));
|
|
r = sanei_genesys_get_address (reg, 0x36);
|
|
r->value = HIBYTE (LOWORD (words_per_line));
|
|
r = sanei_genesys_get_address (reg, 0x37);
|
|
r->value = LOBYTE (LOWORD (words_per_line));
|
|
|
|
sanei_genesys_set_double(reg, REG_LPERIOD, exposure_time);
|
|
|
|
r = sanei_genesys_get_address (reg, 0x34);
|
|
r->value = dev->sensor.dummy_pixel;
|
|
|
|
DBGCOMPLETED;
|
|
return SANE_STATUS_GOOD;
|
|
}
|
|
|
|
static int
|
|
gl841_get_led_exposure(Genesys_Device * dev)
|
|
{
|
|
int d,r,g,b,m;
|
|
if (!dev->model->is_cis)
|
|
return 0;
|
|
d = dev->reg[reg_0x19].value;
|
|
r = dev->sensor.regs_0x10_0x1d[1] | (dev->sensor.regs_0x10_0x1d[0] << 8);
|
|
g = dev->sensor.regs_0x10_0x1d[3] | (dev->sensor.regs_0x10_0x1d[2] << 8);
|
|
b = dev->sensor.regs_0x10_0x1d[5] | (dev->sensor.regs_0x10_0x1d[4] << 8);
|
|
|
|
m = r;
|
|
if (m < g)
|
|
m = g;
|
|
if (m < b)
|
|
m = b;
|
|
|
|
return m + d;
|
|
}
|
|
|
|
/** @brief compute exposure time
|
|
* Compute exposure time for the device and the given scan resolution,
|
|
* also compute scan_power_mode
|
|
*/
|
|
GENESYS_STATIC int
|
|
gl841_exposure_time(Genesys_Device *dev,
|
|
float slope_dpi,
|
|
int scan_step_type,
|
|
int start,
|
|
int used_pixels,
|
|
int *scan_power_mode)
|
|
{
|
|
int exposure_time = 0;
|
|
int exposure_time2 = 0;
|
|
int led_exposure;
|
|
|
|
*scan_power_mode=0;
|
|
led_exposure=gl841_get_led_exposure(dev);
|
|
exposure_time = sanei_genesys_exposure_time2(
|
|
dev,
|
|
slope_dpi,
|
|
scan_step_type,
|
|
start+used_pixels,/*+tgtime? currently done in sanei_genesys_exposure_time2 with tgtime = 32 pixel*/
|
|
led_exposure,
|
|
*scan_power_mode);
|
|
|
|
while(*scan_power_mode + 1 < dev->motor.power_mode_count) {
|
|
exposure_time2 = sanei_genesys_exposure_time2(
|
|
dev,
|
|
slope_dpi,
|
|
scan_step_type,
|
|
start+used_pixels,/*+tgtime? currently done in sanei_genesys_exposure_time2 with tgtime = 32 pixel*/
|
|
led_exposure,
|
|
*scan_power_mode + 1);
|
|
if (exposure_time < exposure_time2)
|
|
break;
|
|
exposure_time = exposure_time2;
|
|
(*scan_power_mode)++;
|
|
}
|
|
|
|
return exposure_time;
|
|
}
|
|
|
|
/**@brief compute scan_step_type
|
|
* Try to do at least 4 steps per line. if that is impossible we will have to
|
|
* live with that.
|
|
* @param dev device
|
|
* @param yres motor resolution
|
|
*/
|
|
GENESYS_STATIC int
|
|
gl841_scan_step_type(Genesys_Device *dev, int yres)
|
|
{
|
|
int scan_step_type=0;
|
|
|
|
/* TODO : check if there is a bug around the use of max_step_type */
|
|
/* should be <=1, need to chek all devices entry in genesys_devices */
|
|
if (yres*4 < dev->motor.base_ydpi || dev->motor.max_step_type <= 0)
|
|
{
|
|
scan_step_type = 0;
|
|
}
|
|
else if (yres*4 < dev->motor.base_ydpi*2 || dev->motor.max_step_type <= 1)
|
|
{
|
|
scan_step_type = 1;
|
|
}
|
|
else
|
|
{
|
|
scan_step_type = 2;
|
|
}
|
|
|
|
/* this motor behaves differently */
|
|
if (dev->model->motor_type==MOTOR_CANONLIDE80)
|
|
{
|
|
/* driven by 'frequency' tables ? */
|
|
scan_step_type = 0;
|
|
}
|
|
|
|
return scan_step_type;
|
|
}
|
|
|
|
/* set up registers for an actual scan
|
|
*
|
|
* this function sets up the scanner to scan in normal or single line mode
|
|
*/
|
|
GENESYS_STATIC
|
|
SANE_Status
|
|
gl841_init_scan_regs (Genesys_Device * dev,
|
|
Genesys_Register_Set * reg,
|
|
float xres,/*dpi*/
|
|
float yres,/*dpi*/
|
|
float startx,/*optical_res, from dummy_pixel+1*/
|
|
float starty,/*base_ydpi, from home!*/
|
|
float pixels,
|
|
float lines,
|
|
unsigned int depth,
|
|
unsigned int channels,
|
|
int color_filter,
|
|
unsigned int flags
|
|
)
|
|
{
|
|
int used_res;
|
|
int start, used_pixels;
|
|
int bytes_per_line;
|
|
int move;
|
|
unsigned int lincnt;
|
|
int exposure_time;
|
|
int scan_power_mode;
|
|
int i;
|
|
int stagger;
|
|
int avg;
|
|
|
|
int slope_dpi = 0;
|
|
int dummy = 0;
|
|
int scan_step_type = 1;
|
|
int max_shift;
|
|
size_t requested_buffer_size, read_buffer_size;
|
|
|
|
SANE_Bool half_ccd; /* false: full CCD res is used, true, half max CCD res is used */
|
|
int optical_res;
|
|
SANE_Status status;
|
|
unsigned int oflags; /**> optical flags */
|
|
|
|
DBG (DBG_info,
|
|
"gl841_init_scan_regs settings:\n"
|
|
"Resolution : %gDPI/%gDPI\n"
|
|
"Lines : %g\n"
|
|
"PPL : %g\n"
|
|
"Startpos : %g/%g\n"
|
|
"Depth/Channels: %u/%u\n"
|
|
"Flags : %x\n\n",
|
|
xres, yres, lines, pixels,
|
|
startx, starty,
|
|
depth, channels,
|
|
flags);
|
|
|
|
/*
|
|
results:
|
|
|
|
for scanner:
|
|
half_ccd
|
|
start
|
|
end
|
|
dpiset
|
|
exposure_time
|
|
dummy
|
|
z1
|
|
z2
|
|
|
|
for ordered_read:
|
|
dev->words_per_line
|
|
dev->read_factor
|
|
dev->requested_buffer_size
|
|
dev->read_buffer_size
|
|
dev->read_pos
|
|
dev->read_bytes_in_buffer
|
|
dev->read_bytes_left
|
|
dev->max_shift
|
|
dev->stagger
|
|
|
|
independent of our calculated values:
|
|
dev->total_bytes_read
|
|
dev->bytes_to_read
|
|
*/
|
|
|
|
/* half_ccd */
|
|
/* we have 2 domains for ccd: xres below or above half ccd max dpi */
|
|
if (dev->sensor.optical_res < 2 * xres ||
|
|
!(dev->model->flags & GENESYS_FLAG_HALF_CCD_MODE)) {
|
|
half_ccd = SANE_FALSE;
|
|
} else {
|
|
half_ccd = SANE_TRUE;
|
|
}
|
|
|
|
/* optical_res */
|
|
|
|
optical_res = dev->sensor.optical_res;
|
|
if (half_ccd)
|
|
optical_res /= 2;
|
|
|
|
/* stagger */
|
|
|
|
if ((!half_ccd) && (dev->model->flags & GENESYS_FLAG_STAGGERED_LINE))
|
|
stagger = (4 * yres) / dev->motor.base_ydpi;
|
|
else
|
|
stagger = 0;
|
|
DBG (DBG_info, "gl841_init_scan_regs : stagger=%d lines\n",
|
|
stagger);
|
|
|
|
/* used_res */
|
|
i = optical_res / xres;
|
|
|
|
/* gl841 supports 1/1 1/2 1/3 1/4 1/5 1/6 1/8 1/10 1/12 1/15 averaging */
|
|
|
|
if (i < 2 || (flags & SCAN_FLAG_USE_OPTICAL_RES)) /* optical_res >= xres > optical_res/2 */
|
|
used_res = optical_res;
|
|
else if (i < 3) /* optical_res/2 >= xres > optical_res/3 */
|
|
used_res = optical_res/2;
|
|
else if (i < 4) /* optical_res/3 >= xres > optical_res/4 */
|
|
used_res = optical_res/3;
|
|
else if (i < 5) /* optical_res/4 >= xres > optical_res/5 */
|
|
used_res = optical_res/4;
|
|
else if (i < 6) /* optical_res/5 >= xres > optical_res/6 */
|
|
used_res = optical_res/5;
|
|
else if (i < 8) /* optical_res/6 >= xres > optical_res/8 */
|
|
used_res = optical_res/6;
|
|
else if (i < 10) /* optical_res/8 >= xres > optical_res/10 */
|
|
used_res = optical_res/8;
|
|
else if (i < 12) /* optical_res/10 >= xres > optical_res/12 */
|
|
used_res = optical_res/10;
|
|
else if (i < 15) /* optical_res/12 >= xres > optical_res/15 */
|
|
used_res = optical_res/12;
|
|
else
|
|
used_res = optical_res/15;
|
|
|
|
/* compute scan parameters values */
|
|
/* pixels are allways given at half or full CCD optical resolution */
|
|
/* use detected left margin and fixed value */
|
|
/* start */
|
|
/* add x coordinates */
|
|
start = ((dev->sensor.CCD_start_xoffset + startx) * used_res) / dev->sensor.optical_res;
|
|
|
|
/* needs to be aligned for used_res */
|
|
start = (start * optical_res) / used_res;
|
|
|
|
start += dev->sensor.dummy_pixel + 1;
|
|
|
|
if (stagger > 0)
|
|
start |= 1;
|
|
|
|
/* in case of SHDAREA, we need to align start
|
|
* on pixel average factor, startx is different of
|
|
* 0 only when calling for function to setup for
|
|
* scan, where shading data needs to be align */
|
|
if((dev->reg[reg_0x01].value & REG01_SHDAREA) != 0)
|
|
{
|
|
avg=optical_res/used_res;
|
|
start=(start/avg)*avg;
|
|
}
|
|
|
|
/* compute correct pixels number */
|
|
/* pixels */
|
|
used_pixels = (pixels * optical_res) / xres;
|
|
|
|
/* round up pixels number if needed */
|
|
if (used_pixels * xres < pixels * optical_res)
|
|
used_pixels++;
|
|
|
|
/* dummy */
|
|
/* dummy lines: may not be usefull, for instance 250 dpi works with 0 or 1
|
|
dummy line. Maybe the dummy line adds correctness since the motor runs
|
|
slower (higher dpi)
|
|
*/
|
|
/* for cis this creates better aligned color lines:
|
|
dummy \ scanned lines
|
|
0: R G B R ...
|
|
1: R G B - R ...
|
|
2: R G B - - R ...
|
|
3: R G B - - - R ...
|
|
4: R G B - - - - R ...
|
|
5: R G B - - - - - R ...
|
|
6: R G B - - - - - - R ...
|
|
7: R G B - - - - - - - R ...
|
|
8: R G B - - - - - - - - R ...
|
|
9: R G B - - - - - - - - - R ...
|
|
10: R G B - - - - - - - - - - R ...
|
|
11: R G B - - - - - - - - - - - R ...
|
|
12: R G B - - - - - - - - - - - - R ...
|
|
13: R G B - - - - - - - - - - - - - R ...
|
|
14: R G B - - - - - - - - - - - - - - R ...
|
|
15: R G B - - - - - - - - - - - - - - - R ...
|
|
-- pierre
|
|
*/
|
|
dummy = 0;
|
|
|
|
/* slope_dpi */
|
|
/* cis color scan is effectively a gray scan with 3 gray lines per color
|
|
line and a FILTER of 0 */
|
|
if (dev->model->is_cis)
|
|
slope_dpi = yres*channels;
|
|
else
|
|
slope_dpi = yres;
|
|
|
|
slope_dpi = slope_dpi * (1 + dummy);
|
|
|
|
scan_step_type = gl841_scan_step_type(dev, yres);
|
|
exposure_time = gl841_exposure_time(dev,
|
|
slope_dpi,
|
|
scan_step_type,
|
|
start,
|
|
used_pixels,
|
|
&scan_power_mode);
|
|
DBG (DBG_info, "%s : exposure_time=%d pixels\n", __func__, exposure_time);
|
|
|
|
/*** optical parameters ***/
|
|
/* in case of dynamic lineart, we use an internal 8 bit gray scan
|
|
* to generate 1 lineart data */
|
|
if(flags & SCAN_FLAG_DYNAMIC_LINEART)
|
|
{
|
|
depth=8;
|
|
}
|
|
|
|
oflags=0;
|
|
if (flags & SCAN_FLAG_DISABLE_SHADING)
|
|
{
|
|
oflags |= OPTICAL_FLAG_DISABLE_SHADING;
|
|
}
|
|
if ((flags & SCAN_FLAG_DISABLE_GAMMA) || (depth==16))
|
|
{
|
|
oflags |= OPTICAL_FLAG_DISABLE_GAMMA;
|
|
}
|
|
if (flags & SCAN_FLAG_DISABLE_LAMP)
|
|
{
|
|
oflags |= OPTICAL_FLAG_DISABLE_LAMP;
|
|
}
|
|
if (flags & SCAN_FLAG_ENABLE_LEDADD)
|
|
{
|
|
oflags |= OPTICAL_FLAG_ENABLE_LEDADD;
|
|
}
|
|
|
|
status = gl841_init_optical_regs_scan(dev,
|
|
reg,
|
|
exposure_time,
|
|
used_res,
|
|
start,
|
|
used_pixels,
|
|
channels,
|
|
depth,
|
|
half_ccd,
|
|
color_filter,
|
|
oflags);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
return status;
|
|
}
|
|
|
|
/*** motor parameters ***/
|
|
|
|
/* scanned area must be enlarged by max color shift needed */
|
|
max_shift=sanei_genesys_compute_max_shift(dev,channels,yres,flags);
|
|
|
|
/* lincnt */
|
|
lincnt = lines + max_shift + stagger;
|
|
|
|
/* add tl_y to base movement */
|
|
move = starty;
|
|
DBG (DBG_info, "gl841_init_scan_regs: move=%d steps\n", move);
|
|
|
|
/* subtract current head position */
|
|
move -= dev->scanhead_position_in_steps;
|
|
DBG (DBG_info, "gl841_init_scan_regs: move=%d steps\n", move);
|
|
|
|
if (move < 0)
|
|
move = 0;
|
|
|
|
/* round it */
|
|
/* the move is not affected by dummy -- pierre */
|
|
/* move = ((move + dummy) / (dummy + 1)) * (dummy + 1);
|
|
DBG (DBG_info, "gl841_init_scan_regs: move=%d steps\n", move);*/
|
|
|
|
if (flags & SCAN_FLAG_SINGLE_LINE)
|
|
status = gl841_init_motor_regs_off(reg, dev->model->is_cis?lincnt*channels:lincnt);
|
|
else
|
|
status = gl841_init_motor_regs_scan(dev,
|
|
reg,
|
|
exposure_time,
|
|
slope_dpi,
|
|
scan_step_type,
|
|
dev->model->is_cis?lincnt*channels:lincnt,
|
|
dummy,
|
|
move,
|
|
scan_power_mode,
|
|
(flags & SCAN_FLAG_DISABLE_BUFFER_FULL_MOVE)?
|
|
MOTOR_FLAG_DISABLE_BUFFER_FULL_MOVE:0
|
|
);
|
|
|
|
if (status != SANE_STATUS_GOOD)
|
|
return status;
|
|
|
|
|
|
/*** prepares data reordering ***/
|
|
|
|
/* words_per_line */
|
|
bytes_per_line = (used_pixels * used_res) / optical_res;
|
|
bytes_per_line = (bytes_per_line * channels * depth) / 8;
|
|
|
|
requested_buffer_size = 8 * bytes_per_line;
|
|
/* we must use a round number of bytes_per_line */
|
|
if (requested_buffer_size > BULKIN_MAXSIZE)
|
|
requested_buffer_size =
|
|
(BULKIN_MAXSIZE / bytes_per_line) * bytes_per_line;
|
|
|
|
read_buffer_size =
|
|
2 * requested_buffer_size +
|
|
((max_shift + stagger) * used_pixels * channels * depth) / 8;
|
|
|
|
RIE(sanei_genesys_buffer_free(&(dev->read_buffer)));
|
|
RIE(sanei_genesys_buffer_alloc(&(dev->read_buffer), read_buffer_size));
|
|
|
|
RIE(sanei_genesys_buffer_free(&(dev->lines_buffer)));
|
|
RIE(sanei_genesys_buffer_alloc(&(dev->lines_buffer), read_buffer_size));
|
|
|
|
RIE(sanei_genesys_buffer_free(&(dev->shrink_buffer)));
|
|
RIE(sanei_genesys_buffer_alloc(&(dev->shrink_buffer),
|
|
requested_buffer_size));
|
|
|
|
RIE(sanei_genesys_buffer_free(&(dev->out_buffer)));
|
|
RIE(sanei_genesys_buffer_alloc(&(dev->out_buffer),
|
|
(8 * dev->settings.pixels * channels * depth) / 8));
|
|
|
|
|
|
dev->read_bytes_left = bytes_per_line * lincnt;
|
|
|
|
DBG (DBG_info,
|
|
"gl841_init_scan_regs: physical bytes to read = %lu\n",
|
|
(u_long) dev->read_bytes_left);
|
|
dev->read_active = SANE_TRUE;
|
|
|
|
|
|
dev->current_setup.pixels = (used_pixels * used_res)/optical_res;
|
|
dev->current_setup.lines = lincnt;
|
|
dev->current_setup.depth = depth;
|
|
dev->current_setup.channels = channels;
|
|
dev->current_setup.exposure_time = exposure_time;
|
|
dev->current_setup.xres = used_res;
|
|
dev->current_setup.yres = yres;
|
|
dev->current_setup.half_ccd = half_ccd;
|
|
dev->current_setup.stagger = stagger;
|
|
dev->current_setup.max_shift = max_shift + stagger;
|
|
|
|
/* TODO: should this be done elsewhere? */
|
|
/* scan bytes to send to the frontend */
|
|
/* theory :
|
|
target_size =
|
|
(dev->settings.pixels * dev->settings.lines * channels * depth) / 8;
|
|
but it suffers from integer overflow so we do the following:
|
|
|
|
1 bit color images store color data byte-wise, eg byte 0 contains
|
|
8 bits of red data, byte 1 contains 8 bits of green, byte 2 contains
|
|
8 bits of blue.
|
|
This does not fix the overflow, though.
|
|
644mp*16 = 10gp, leading to an overflow
|
|
-- pierre
|
|
*/
|
|
|
|
dev->total_bytes_read = 0;
|
|
if (depth == 1)
|
|
dev->total_bytes_to_read =
|
|
((dev->settings.pixels * dev->settings.lines) / 8 +
|
|
(((dev->settings.pixels * dev->settings.lines)%8)?1:0)
|
|
) * channels;
|
|
else
|
|
dev->total_bytes_to_read =
|
|
dev->settings.pixels * dev->settings.lines * channels * (depth / 8);
|
|
|
|
DBG (DBG_info, "gl841_init_scan_regs: total bytes to send = %lu\n",
|
|
(u_long) dev->total_bytes_to_read);
|
|
/* END TODO */
|
|
|
|
DBG (DBG_proc, "gl841_init_scan_regs: completed\n");
|
|
return SANE_STATUS_GOOD;
|
|
}
|
|
|
|
static SANE_Status
|
|
gl841_calculate_current_setup (Genesys_Device * dev)
|
|
{
|
|
int channels;
|
|
int depth;
|
|
int start;
|
|
|
|
float xres;/*dpi*/
|
|
float yres;/*dpi*/
|
|
float startx;/*optical_res, from dummy_pixel+1*/
|
|
float pixels;
|
|
float lines;
|
|
|
|
int used_res;
|
|
int used_pixels;
|
|
unsigned int lincnt;
|
|
int exposure_time;
|
|
int scan_power_mode;
|
|
int i;
|
|
int stagger;
|
|
|
|
int slope_dpi = 0;
|
|
int dummy = 0;
|
|
int scan_step_type = 1;
|
|
int max_shift;
|
|
|
|
SANE_Bool half_ccd; /* false: full CCD res is used, true, half max CCD res is used */
|
|
int optical_res;
|
|
|
|
DBG (DBG_info,
|
|
"gl841_calculate_current_setup settings:\n"
|
|
"Resolution: %uDPI\n"
|
|
"Lines : %u\n"
|
|
"PPL : %u\n"
|
|
"Startpos : %.3f/%.3f\n"
|
|
"Scan mode : %d\n\n",
|
|
dev->settings.yres, dev->settings.lines, dev->settings.pixels,
|
|
dev->settings.tl_x, dev->settings.tl_y, dev->settings.scan_mode);
|
|
|
|
/* channels */
|
|
if (dev->settings.scan_mode == 4) /* single pass color */
|
|
channels = 3;
|
|
else
|
|
channels = 1;
|
|
|
|
/* depth */
|
|
depth = dev->settings.depth;
|
|
if (dev->settings.scan_mode == 0)
|
|
depth = 1;
|
|
|
|
/* start */
|
|
start = SANE_UNFIX (dev->model->x_offset);
|
|
|
|
start += dev->settings.tl_x;
|
|
|
|
start = (start * dev->sensor.optical_res) / MM_PER_INCH;
|
|
|
|
|
|
xres = dev->settings.xres;/*dpi*/
|
|
yres = dev->settings.yres;/*dpi*/
|
|
startx = start;/*optical_res, from dummy_pixel+1*/
|
|
pixels = dev->settings.pixels;
|
|
lines = dev->settings.lines;
|
|
|
|
DBG (DBG_info,
|
|
"gl841_calculate_current_setup settings:\n"
|
|
"Resolution : %gDPI/%gDPI\n"
|
|
"Lines : %g\n"
|
|
"PPL : %g\n"
|
|
"Startpos : %g\n"
|
|
"Depth/Channels: %u/%u\n\n",
|
|
xres, yres, lines, pixels,
|
|
startx,
|
|
depth, channels);
|
|
|
|
/* half_ccd */
|
|
/* we have 2 domains for ccd: xres below or above half ccd max dpi */
|
|
if ((dev->sensor.optical_res < 2 * xres) ||
|
|
!(dev->model->flags & GENESYS_FLAG_HALF_CCD_MODE)) {
|
|
half_ccd = SANE_FALSE;
|
|
} else {
|
|
half_ccd = SANE_TRUE;
|
|
}
|
|
|
|
/* optical_res */
|
|
|
|
optical_res = dev->sensor.optical_res;
|
|
if (half_ccd)
|
|
optical_res /= 2;
|
|
|
|
/* stagger */
|
|
|
|
if ((!half_ccd) && (dev->model->flags & GENESYS_FLAG_STAGGERED_LINE))
|
|
stagger = (4 * yres) / dev->motor.base_ydpi;
|
|
else
|
|
stagger = 0;
|
|
DBG (DBG_info, "gl841_calculate_current_setup: stagger=%d lines\n",
|
|
stagger);
|
|
|
|
/* used_res */
|
|
i = optical_res / xres;
|
|
|
|
/* gl841 supports 1/1 1/2 1/3 1/4 1/5 1/6 1/8 1/10 1/12 1/15 averaging */
|
|
|
|
if (i < 2) /* optical_res >= xres > optical_res/2 */
|
|
used_res = optical_res;
|
|
else if (i < 3) /* optical_res/2 >= xres > optical_res/3 */
|
|
used_res = optical_res/2;
|
|
else if (i < 4) /* optical_res/3 >= xres > optical_res/4 */
|
|
used_res = optical_res/3;
|
|
else if (i < 5) /* optical_res/4 >= xres > optical_res/5 */
|
|
used_res = optical_res/4;
|
|
else if (i < 6) /* optical_res/5 >= xres > optical_res/6 */
|
|
used_res = optical_res/5;
|
|
else if (i < 8) /* optical_res/6 >= xres > optical_res/8 */
|
|
used_res = optical_res/6;
|
|
else if (i < 10) /* optical_res/8 >= xres > optical_res/10 */
|
|
used_res = optical_res/8;
|
|
else if (i < 12) /* optical_res/10 >= xres > optical_res/12 */
|
|
used_res = optical_res/10;
|
|
else if (i < 15) /* optical_res/12 >= xres > optical_res/15 */
|
|
used_res = optical_res/12;
|
|
else
|
|
used_res = optical_res/15;
|
|
|
|
/* compute scan parameters values */
|
|
/* pixels are allways given at half or full CCD optical resolution */
|
|
/* use detected left margin and fixed value */
|
|
/* start */
|
|
/* add x coordinates */
|
|
start =
|
|
((dev->sensor.CCD_start_xoffset + startx) * used_res) /
|
|
dev->sensor.optical_res;
|
|
|
|
/* needs to be aligned for used_res */
|
|
start = (start * optical_res) / used_res;
|
|
|
|
start += dev->sensor.dummy_pixel + 1;
|
|
|
|
if (stagger > 0)
|
|
start |= 1;
|
|
|
|
/* compute correct pixels number */
|
|
/* pixels */
|
|
used_pixels =
|
|
(pixels * optical_res) / xres;
|
|
|
|
/* round up pixels number if needed */
|
|
if (used_pixels * xres < pixels * optical_res)
|
|
used_pixels++;
|
|
|
|
/* dummy */
|
|
/* dummy lines: may not be usefull, for instance 250 dpi works with 0 or 1
|
|
dummy line. Maybe the dummy line adds correctness since the motor runs
|
|
slower (higher dpi)
|
|
*/
|
|
/* for cis this creates better aligned color lines:
|
|
dummy \ scanned lines
|
|
0: R G B R ...
|
|
1: R G B - R ...
|
|
2: R G B - - R ...
|
|
3: R G B - - - R ...
|
|
4: R G B - - - - R ...
|
|
5: R G B - - - - - R ...
|
|
6: R G B - - - - - - R ...
|
|
7: R G B - - - - - - - R ...
|
|
8: R G B - - - - - - - - R ...
|
|
9: R G B - - - - - - - - - R ...
|
|
10: R G B - - - - - - - - - - R ...
|
|
11: R G B - - - - - - - - - - - R ...
|
|
12: R G B - - - - - - - - - - - - R ...
|
|
13: R G B - - - - - - - - - - - - - R ...
|
|
14: R G B - - - - - - - - - - - - - - R ...
|
|
15: R G B - - - - - - - - - - - - - - - R ...
|
|
-- pierre
|
|
*/
|
|
dummy = 0;
|
|
|
|
/* slope_dpi */
|
|
/* cis color scan is effectively a gray scan with 3 gray lines per color
|
|
line and a FILTER of 0 */
|
|
if (dev->model->is_cis)
|
|
slope_dpi = yres*channels;
|
|
else
|
|
slope_dpi = yres;
|
|
|
|
slope_dpi = slope_dpi * (1 + dummy);
|
|
|
|
scan_step_type = gl841_scan_step_type(dev, yres);
|
|
exposure_time = gl841_exposure_time(dev,
|
|
slope_dpi,
|
|
scan_step_type,
|
|
start,
|
|
used_pixels,
|
|
&scan_power_mode);
|
|
DBG (DBG_info, "%s : exposure_time=%d pixels\n", __func__, exposure_time);
|
|
|
|
/* scanned area must be enlarged by max color shift needed */
|
|
max_shift=sanei_genesys_compute_max_shift(dev,channels,yres,0);
|
|
|
|
/* lincnt */
|
|
lincnt = lines + max_shift + stagger;
|
|
|
|
dev->current_setup.pixels = (used_pixels * used_res)/optical_res;
|
|
dev->current_setup.lines = lincnt;
|
|
dev->current_setup.depth = depth;
|
|
dev->current_setup.channels = channels;
|
|
dev->current_setup.exposure_time = exposure_time;
|
|
dev->current_setup.xres = used_res;
|
|
dev->current_setup.yres = yres;
|
|
dev->current_setup.half_ccd = half_ccd;
|
|
dev->current_setup.stagger = stagger;
|
|
dev->current_setup.max_shift = max_shift + stagger;
|
|
|
|
DBGCOMPLETED;
|
|
return SANE_STATUS_GOOD;
|
|
}
|
|
|
|
static void
|
|
gl841_set_motor_power (Genesys_Register_Set * regs, SANE_Bool set)
|
|
{
|
|
|
|
DBG (DBG_proc, "gl841_set_motor_power\n");
|
|
|
|
if (set)
|
|
{
|
|
sanei_genesys_set_reg_from_set (regs, 0x02,
|
|
sanei_genesys_read_reg_from_set (regs,
|
|
0x02) |
|
|
REG02_MTRPWR);
|
|
}
|
|
else
|
|
{
|
|
sanei_genesys_set_reg_from_set (regs, 0x02,
|
|
sanei_genesys_read_reg_from_set (regs,
|
|
0x02) &
|
|
~REG02_MTRPWR);
|
|
}
|
|
}
|
|
|
|
static void
|
|
gl841_set_lamp_power (Genesys_Device * dev,
|
|
Genesys_Register_Set * regs, SANE_Bool set)
|
|
{
|
|
Genesys_Register_Set * r;
|
|
int i;
|
|
|
|
if (set)
|
|
{
|
|
sanei_genesys_set_reg_from_set (regs, 0x03,
|
|
sanei_genesys_read_reg_from_set (regs,
|
|
0x03) |
|
|
REG03_LAMPPWR);
|
|
|
|
r = sanei_genesys_get_address (regs, 0x10);
|
|
for (i = 0; i < 6; i++, r++) {
|
|
if (dev->sensor.regs_0x10_0x1d[i] == 0x00)
|
|
r->value = 0x01;/*0x00 will not be accepted*/
|
|
else
|
|
r->value = dev->sensor.regs_0x10_0x1d[i];
|
|
}
|
|
r = sanei_genesys_get_address (regs, 0x19);
|
|
r->value = 0x50;
|
|
}
|
|
else
|
|
{
|
|
sanei_genesys_set_reg_from_set (regs, 0x03,
|
|
sanei_genesys_read_reg_from_set (regs,
|
|
0x03) &
|
|
~REG03_LAMPPWR);
|
|
|
|
r = sanei_genesys_get_address (regs, 0x10);
|
|
for (i = 0; i < 6; i++, r++) {
|
|
r->value = 0x01;/* 0x0101 is as off as possible */
|
|
}
|
|
r = sanei_genesys_get_address (regs, 0x19);
|
|
r->value = 0xff;
|
|
}
|
|
}
|
|
|
|
/*for fast power saving methods only, like disabling certain amplifiers*/
|
|
static SANE_Status
|
|
gl841_save_power(Genesys_Device * dev, SANE_Bool enable) {
|
|
uint8_t val;
|
|
|
|
DBG(DBG_proc, "gl841_save_power: enable = %d\n", enable);
|
|
|
|
if (enable)
|
|
{
|
|
if (dev->model->gpo_type == GPO_CANONLIDE35)
|
|
{
|
|
/* expect GPIO17 to be enabled, and GPIO9 to be disabled,
|
|
while GPIO8 is disabled*/
|
|
/* final state: GPIO8 disabled, GPIO9 enabled, GPIO17 disabled,
|
|
GPIO18 disabled*/
|
|
|
|
sanei_genesys_read_register(dev, REG6D, &val);
|
|
sanei_genesys_write_register(dev, REG6D, val | 0x80);
|
|
|
|
usleep(1000);
|
|
|
|
/*enable GPIO9*/
|
|
sanei_genesys_read_register(dev, REG6C, &val);
|
|
sanei_genesys_write_register(dev, REG6C, val | 0x01);
|
|
|
|
/*disable GPO17*/
|
|
sanei_genesys_read_register(dev, REG6B, &val);
|
|
sanei_genesys_write_register(dev, REG6B, val & ~REG6B_GPO17);
|
|
|
|
/*disable GPO18*/
|
|
sanei_genesys_read_register(dev, REG6B, &val);
|
|
sanei_genesys_write_register(dev, REG6B, val & ~REG6B_GPO18);
|
|
|
|
usleep(1000);
|
|
|
|
sanei_genesys_read_register(dev, REG6D, &val);
|
|
sanei_genesys_write_register(dev, REG6D, val & ~0x80);
|
|
|
|
}
|
|
if (dev->model->gpo_type == GPO_DP685)
|
|
{
|
|
sanei_genesys_read_register(dev, REG6B, &val);
|
|
sanei_genesys_write_register(dev, REG6B, val & ~REG6B_GPO17);
|
|
dev->reg[reg_0x6b].value &= ~REG6B_GPO17;
|
|
dev->calib_reg[reg_0x6b].value &= ~REG6B_GPO17;
|
|
}
|
|
|
|
gl841_set_fe (dev, AFE_POWER_SAVE);
|
|
|
|
}
|
|
else
|
|
{
|
|
if (dev->model->gpo_type == GPO_CANONLIDE35)
|
|
{
|
|
/* expect GPIO17 to be enabled, and GPIO9 to be disabled,
|
|
while GPIO8 is disabled*/
|
|
/* final state: GPIO8 enabled, GPIO9 disabled, GPIO17 enabled,
|
|
GPIO18 enabled*/
|
|
|
|
sanei_genesys_read_register(dev, REG6D, &val);
|
|
sanei_genesys_write_register(dev, REG6D, val | 0x80);
|
|
|
|
usleep(10000);
|
|
|
|
/*disable GPIO9*/
|
|
sanei_genesys_read_register(dev, REG6C, &val);
|
|
sanei_genesys_write_register(dev, REG6C, val & ~0x01);
|
|
|
|
/*enable GPIO10*/
|
|
sanei_genesys_read_register(dev, REG6C, &val);
|
|
sanei_genesys_write_register(dev, REG6C, val | 0x02);
|
|
|
|
/*enable GPO17*/
|
|
sanei_genesys_read_register(dev, REG6B, &val);
|
|
sanei_genesys_write_register(dev, REG6B, val | REG6B_GPO17);
|
|
dev->reg[reg_0x6b].value |= REG6B_GPO17;
|
|
dev->calib_reg[reg_0x6b].value |= REG6B_GPO17;
|
|
|
|
/*enable GPO18*/
|
|
sanei_genesys_read_register(dev, REG6B, &val);
|
|
sanei_genesys_write_register(dev, REG6B, val | REG6B_GPO18);
|
|
dev->reg[reg_0x6b].value |= REG6B_GPO18;
|
|
dev->calib_reg[reg_0x6b].value |= REG6B_GPO18;
|
|
|
|
}
|
|
if (dev->model->gpo_type == GPO_DP665
|
|
|| dev->model->gpo_type == GPO_DP685)
|
|
{
|
|
sanei_genesys_read_register(dev, REG6B, &val);
|
|
sanei_genesys_write_register(dev, REG6B, val | REG6B_GPO17);
|
|
dev->reg[reg_0x6b].value |= REG6B_GPO17;
|
|
dev->calib_reg[reg_0x6b].value |= REG6B_GPO17;
|
|
}
|
|
|
|
}
|
|
|
|
return SANE_STATUS_GOOD;
|
|
}
|
|
|
|
static SANE_Status
|
|
gl841_set_powersaving (Genesys_Device * dev,
|
|
int delay /* in minutes */ )
|
|
{
|
|
SANE_Status status;
|
|
Genesys_Register_Set local_reg[7];
|
|
int rate, exposure_time, tgtime, time;
|
|
|
|
DBG (DBG_proc, "gl841_set_powersaving (delay = %d)\n", delay);
|
|
|
|
local_reg[0].address = 0x01;
|
|
local_reg[0].value = sanei_genesys_read_reg_from_set (dev->reg, 0x01); /* disable fastmode */
|
|
|
|
local_reg[1].address = 0x03;
|
|
local_reg[1].value = sanei_genesys_read_reg_from_set (dev->reg, 0x03); /* Lamp power control */
|
|
|
|
local_reg[2].address = 0x05;
|
|
local_reg[2].value = sanei_genesys_read_reg_from_set (dev->reg, 0x05) /*& ~REG05_BASESEL*/; /* 24 clocks/pixel */
|
|
|
|
local_reg[3].address = 0x18; /* Set CCD type */
|
|
local_reg[3].value = 0x00;
|
|
|
|
local_reg[4].address = 0x38; /* line period low */
|
|
local_reg[4].value = 0x00;
|
|
|
|
local_reg[5].address = 0x39; /* line period high */
|
|
local_reg[5].value = 0x00;
|
|
|
|
local_reg[6].address = 0x1c; /* period times for LPeriod, expR,expG,expB, Z1MODE, Z2MODE */
|
|
local_reg[6].value = sanei_genesys_read_reg_from_set (dev->reg, 0x05) & ~REG1C_TGTIME;
|
|
|
|
if (!delay)
|
|
local_reg[1].value = local_reg[1].value & 0xf0; /* disable lampdog and set lamptime = 0 */
|
|
else if (delay < 20)
|
|
local_reg[1].value = (local_reg[1].value & 0xf0) | 0x09; /* enable lampdog and set lamptime = 1 */
|
|
else
|
|
local_reg[1].value = (local_reg[1].value & 0xf0) | 0x0f; /* enable lampdog and set lamptime = 7 */
|
|
|
|
time = delay * 1000 * 60; /* -> msec */
|
|
exposure_time =
|
|
(uint32_t) (time * 32000.0 /
|
|
(24.0 * 64.0 * (local_reg[1].value & REG03_LAMPTIM) *
|
|
1024.0) + 0.5);
|
|
/* 32000 = system clock, 24 = clocks per pixel */
|
|
rate = (exposure_time + 65536) / 65536;
|
|
if (rate > 4)
|
|
{
|
|
rate = 8;
|
|
tgtime = 3;
|
|
}
|
|
else if (rate > 2)
|
|
{
|
|
rate = 4;
|
|
tgtime = 2;
|
|
}
|
|
else if (rate > 1)
|
|
{
|
|
rate = 2;
|
|
tgtime = 1;
|
|
}
|
|
else
|
|
{
|
|
rate = 1;
|
|
tgtime = 0;
|
|
}
|
|
|
|
local_reg[6].value |= tgtime;
|
|
exposure_time /= rate;
|
|
|
|
if (exposure_time > 65535)
|
|
exposure_time = 65535;
|
|
|
|
local_reg[4].value = exposure_time >> 8; /* highbyte */
|
|
local_reg[5].value = exposure_time & 255; /* lowbyte */
|
|
|
|
status =
|
|
gl841_bulk_write_register (dev, local_reg,
|
|
sizeof (local_reg)/sizeof (local_reg[0]));
|
|
if (status != SANE_STATUS_GOOD)
|
|
DBG (DBG_error,
|
|
"gl841_set_powersaving: failed to bulk write registers: %s\n",
|
|
sane_strstatus (status));
|
|
|
|
DBG (DBG_proc, "gl841_set_powersaving: completed\n");
|
|
return status;
|
|
}
|
|
|
|
#ifndef UNIT_TESTING
|
|
static
|
|
#endif
|
|
SANE_Status
|
|
gl841_start_action (Genesys_Device * dev)
|
|
{
|
|
return sanei_genesys_write_register (dev, 0x0f, 0x01);
|
|
}
|
|
|
|
#ifndef UNIT_TESTING
|
|
static
|
|
#endif
|
|
SANE_Status
|
|
gl841_stop_action (Genesys_Device * dev)
|
|
{
|
|
Genesys_Register_Set local_reg[GENESYS_GL841_MAX_REGS+1];
|
|
SANE_Status status;
|
|
uint8_t val40, val;
|
|
unsigned int loop;
|
|
|
|
DBG (DBG_proc, "%s\n", __func__);
|
|
|
|
status = sanei_genesys_get_status (dev, &val);
|
|
if (DBG_LEVEL >= DBG_io)
|
|
{
|
|
sanei_genesys_print_status (val);
|
|
}
|
|
|
|
status = sanei_genesys_read_register(dev, 0x40, &val40);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error,
|
|
"%s: failed to read home sensor: %s\n",__func__,
|
|
sane_strstatus (status));
|
|
DBGCOMPLETED;
|
|
return status;
|
|
}
|
|
|
|
/* only stop action if needed */
|
|
if (!(val40 & REG40_DATAENB) && !(val40 & REG40_MOTMFLG))
|
|
{
|
|
DBG (DBG_info, "%s: already stopped\n", __func__);
|
|
DBGCOMPLETED;
|
|
return SANE_STATUS_GOOD;
|
|
}
|
|
|
|
memcpy (local_reg, dev->reg, (GENESYS_GL841_MAX_REGS+1) * sizeof (Genesys_Register_Set));
|
|
|
|
gl841_init_optical_regs_off(local_reg);
|
|
|
|
gl841_init_motor_regs_off(local_reg,0);
|
|
status = gl841_bulk_write_register (dev, local_reg, GENESYS_GL841_MAX_REGS);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error, "%s: failed to bulk write registers: %s\n", __func__,
|
|
sane_strstatus (status));
|
|
return status;
|
|
}
|
|
|
|
/* looks like writing the right registers to zero is enough to get the chip
|
|
out of scan mode into command mode, actually triggering(writing to
|
|
register 0x0f) seems to be unnecessary */
|
|
|
|
loop = 10;
|
|
while (loop > 0)
|
|
{
|
|
status = sanei_genesys_read_register(dev, 0x40, &val40);
|
|
if (DBG_LEVEL >= DBG_io)
|
|
{
|
|
sanei_genesys_print_status (val);
|
|
}
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error,
|
|
"%s: failed to read home sensor: %s\n",__func__,
|
|
sane_strstatus (status));
|
|
DBGCOMPLETED;
|
|
return status;
|
|
}
|
|
|
|
/* if scanner is in command mode, we are done */
|
|
if (!(val40 & REG40_DATAENB) && !(val40 & REG40_MOTMFLG))
|
|
{
|
|
DBGCOMPLETED;
|
|
return SANE_STATUS_GOOD;
|
|
}
|
|
|
|
usleep(100*1000);
|
|
loop--;
|
|
}
|
|
|
|
DBGCOMPLETED;
|
|
return SANE_STATUS_IO_ERROR;
|
|
}
|
|
|
|
static SANE_Status
|
|
gl841_get_paper_sensor(Genesys_Device * dev, SANE_Bool * paper_loaded)
|
|
{
|
|
SANE_Status status;
|
|
uint8_t val;
|
|
|
|
status = sanei_genesys_read_register(dev, REG6D, &val);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error,
|
|
"gl841_get_paper_sensor: failed to read gpio: %s\n",
|
|
sane_strstatus (status));
|
|
return status;
|
|
}
|
|
*paper_loaded = (val & 0x1) == 0;
|
|
return SANE_STATUS_GOOD;
|
|
}
|
|
|
|
static SANE_Status
|
|
gl841_eject_document (Genesys_Device * dev)
|
|
{
|
|
Genesys_Register_Set local_reg[GENESYS_GL841_MAX_REGS+1];
|
|
SANE_Status status;
|
|
uint8_t val;
|
|
SANE_Bool paper_loaded;
|
|
unsigned int init_steps;
|
|
float feed_mm;
|
|
int loop;
|
|
|
|
DBG (DBG_proc, "gl841_eject_document\n");
|
|
|
|
if (dev->model->is_sheetfed == SANE_FALSE)
|
|
{
|
|
DBG (DBG_proc, "gl841_eject_document: there is no \"eject sheet\"-concept for non sheet fed\n");
|
|
DBG (DBG_proc, "gl841_eject_document: finished\n");
|
|
return SANE_STATUS_GOOD;
|
|
}
|
|
|
|
|
|
memset (local_reg, 0, sizeof (local_reg));
|
|
val = 0;
|
|
|
|
status = sanei_genesys_get_status (dev, &val);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error,
|
|
"gl841_eject_document: failed to read status register: %s\n",
|
|
sane_strstatus (status));
|
|
return status;
|
|
}
|
|
|
|
status = gl841_stop_action (dev);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error,
|
|
"gl841_eject_document: failed to stop motor: %s\n",
|
|
sane_strstatus (status));
|
|
return SANE_STATUS_IO_ERROR;
|
|
}
|
|
|
|
memcpy (local_reg, dev->reg, (GENESYS_GL841_MAX_REGS+1) * sizeof (Genesys_Register_Set));
|
|
|
|
gl841_init_optical_regs_off(local_reg);
|
|
|
|
gl841_init_motor_regs(dev,local_reg,
|
|
65536,MOTOR_ACTION_FEED,0);
|
|
|
|
status =
|
|
gl841_bulk_write_register (dev, local_reg, GENESYS_GL841_MAX_REGS);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error,
|
|
"gl841_eject_document: failed to bulk write registers: %s\n",
|
|
sane_strstatus (status));
|
|
return status;
|
|
}
|
|
|
|
status = gl841_start_action (dev);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error,
|
|
"gl841_eject_document: failed to start motor: %s\n",
|
|
sane_strstatus (status));
|
|
gl841_stop_action (dev);
|
|
/* send original registers */
|
|
gl841_bulk_write_register (dev, dev->reg, GENESYS_GL841_MAX_REGS);
|
|
return status;
|
|
}
|
|
|
|
RIE(gl841_get_paper_sensor(dev, &paper_loaded));
|
|
if (paper_loaded)
|
|
{
|
|
DBG (DBG_info,
|
|
"gl841_eject_document: paper still loaded\n");
|
|
/* force document TRUE, because it is definitely present */
|
|
dev->document = SANE_TRUE;
|
|
dev->scanhead_position_in_steps = 0;
|
|
|
|
loop = 300;
|
|
while (loop > 0) /* do not wait longer then 30 seconds */
|
|
{
|
|
|
|
RIE(gl841_get_paper_sensor(dev, &paper_loaded));
|
|
|
|
if (!paper_loaded)
|
|
{
|
|
DBG (DBG_info,
|
|
"gl841_eject_document: reached home position\n");
|
|
DBG (DBG_proc, "gl841_eject_document: finished\n");
|
|
break;
|
|
}
|
|
usleep (100000); /* sleep 100 ms */
|
|
--loop;
|
|
}
|
|
|
|
if (loop == 0)
|
|
{
|
|
/* when we come here then the scanner needed too much time for this, so we better stop the motor */
|
|
gl841_stop_action (dev);
|
|
DBG (DBG_error,
|
|
"gl841_eject_document: timeout while waiting for scanhead to go home\n");
|
|
return SANE_STATUS_IO_ERROR;
|
|
}
|
|
}
|
|
|
|
feed_mm = SANE_UNFIX(dev->model->eject_feed);
|
|
if (dev->document)
|
|
{
|
|
feed_mm += SANE_UNFIX(dev->model->post_scan);
|
|
}
|
|
|
|
status = sanei_genesys_read_feed_steps(dev, &init_steps);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error,
|
|
"gl841_eject_document: failed to read feed steps: %s\n",
|
|
sane_strstatus (status));
|
|
return status;
|
|
}
|
|
|
|
/* now feed for extra <number> steps */
|
|
loop = 0;
|
|
while (loop < 300) /* do not wait longer then 30 seconds */
|
|
{
|
|
unsigned int steps;
|
|
|
|
status = sanei_genesys_read_feed_steps(dev, &steps);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error,
|
|
"gl841_eject_document: failed to read feed steps: %s\n",
|
|
sane_strstatus (status));
|
|
return status;
|
|
}
|
|
|
|
DBG (DBG_info, "gl841_eject_document: init_steps: %d, steps: %d\n",
|
|
init_steps, steps);
|
|
|
|
if (steps > init_steps + (feed_mm * dev->motor.base_ydpi) / MM_PER_INCH)
|
|
{
|
|
break;
|
|
}
|
|
|
|
usleep (100000); /* sleep 100 ms */
|
|
++loop;
|
|
}
|
|
|
|
status = gl841_stop_action(dev);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error,
|
|
"gl841_eject_document: failed to stop motor: %s\n",
|
|
sane_strstatus (status));
|
|
return status;
|
|
}
|
|
|
|
dev->document = SANE_FALSE;
|
|
|
|
DBG (DBG_proc, "gl841_eject_document: finished\n");
|
|
return SANE_STATUS_GOOD;
|
|
}
|
|
|
|
|
|
static SANE_Status
|
|
gl841_load_document (Genesys_Device * dev)
|
|
{
|
|
SANE_Status status;
|
|
SANE_Bool paper_loaded;
|
|
int loop = 300;
|
|
DBG (DBG_proc, "gl841_load_document\n");
|
|
while (loop > 0) /* do not wait longer then 30 seconds */
|
|
{
|
|
|
|
RIE(gl841_get_paper_sensor(dev, &paper_loaded));
|
|
|
|
if (paper_loaded)
|
|
{
|
|
DBG (DBG_info,
|
|
"gl841_load_document: document inserted\n");
|
|
|
|
/* when loading OK, document is here */
|
|
dev->document = SANE_TRUE;
|
|
|
|
usleep (1000000); /* give user 1000ms to place document correctly */
|
|
break;
|
|
}
|
|
usleep (100000); /* sleep 100 ms */
|
|
--loop;
|
|
}
|
|
|
|
if (loop == 0)
|
|
{
|
|
/* when we come here then the user needed to much time for this */
|
|
DBG (DBG_error,
|
|
"gl841_load_document: timeout while waiting for document\n");
|
|
return SANE_STATUS_IO_ERROR;
|
|
}
|
|
|
|
DBG (DBG_proc, "gl841_load_document: finished\n");
|
|
return SANE_STATUS_GOOD;
|
|
}
|
|
|
|
/**
|
|
* detects end of document and adjust current scan
|
|
* to take it into account
|
|
* used by sheetfed scanners
|
|
*/
|
|
static SANE_Status
|
|
gl841_detect_document_end (Genesys_Device * dev)
|
|
{
|
|
SANE_Status status = SANE_STATUS_GOOD;
|
|
SANE_Bool paper_loaded;
|
|
unsigned int scancnt = 0, lincnt, postcnt;
|
|
uint8_t val;
|
|
size_t total_bytes_to_read;
|
|
|
|
DBG (DBG_proc, "%s: begin\n", __func__);
|
|
|
|
RIE (gl841_get_paper_sensor (dev, &paper_loaded));
|
|
|
|
/* sheetfed scanner uses home sensor as paper present */
|
|
if ((dev->document == SANE_TRUE) && !paper_loaded)
|
|
{
|
|
DBG (DBG_info, "%s: no more document\n", __func__);
|
|
dev->document = SANE_FALSE;
|
|
|
|
/* we can't rely on total_bytes_to_read since the frontend
|
|
* might have been slow to read data, so we re-evaluate the
|
|
* amount of data to scan form the hardware settings
|
|
*/
|
|
status=sanei_genesys_read_scancnt(dev,&scancnt);
|
|
if(status!=SANE_STATUS_GOOD)
|
|
{
|
|
dev->total_bytes_to_read = dev->total_bytes_read;
|
|
dev->read_bytes_left = 0;
|
|
DBG (DBG_proc, "%s: finished\n", __func__);
|
|
return SANE_STATUS_GOOD;
|
|
}
|
|
if (dev->settings.scan_mode == SCAN_MODE_COLOR && dev->model->is_cis)
|
|
{
|
|
scancnt/=3;
|
|
}
|
|
DBG (DBG_io, "%s: scancnt=%u lines\n",__func__, scancnt);
|
|
|
|
RIE(sanei_genesys_read_register(dev, 0x25, &val));
|
|
lincnt=65536*val;
|
|
RIE(sanei_genesys_read_register(dev, 0x26, &val));
|
|
lincnt+=256*val;
|
|
RIE(sanei_genesys_read_register(dev, 0x27, &val));
|
|
lincnt+=val;
|
|
DBG (DBG_io, "%s: lincnt=%u lines\n",__func__, lincnt);
|
|
postcnt=(SANE_UNFIX(dev->model->post_scan)/MM_PER_INCH)*dev->settings.yres;
|
|
DBG (DBG_io, "%s: postcnt=%u lines\n",__func__, postcnt);
|
|
|
|
/* the current scancnt is also the final one, so we use it to
|
|
* compute total bytes to read. We also add the line count to eject document */
|
|
total_bytes_to_read=(scancnt+postcnt)*dev->wpl;
|
|
|
|
DBG (DBG_io, "%s: old total_bytes_to_read=%u\n",__func__,(unsigned int)dev->total_bytes_to_read);
|
|
DBG (DBG_io, "%s: new total_bytes_to_read=%u\n",__func__,(unsigned int)total_bytes_to_read);
|
|
|
|
/* assign new end value */
|
|
if(dev->total_bytes_to_read>total_bytes_to_read)
|
|
{
|
|
DBG (DBG_io, "%s: scan shorten\n",__func__);
|
|
dev->total_bytes_to_read=total_bytes_to_read;
|
|
}
|
|
}
|
|
|
|
DBG (DBG_proc, "%s: finished\n", __func__);
|
|
return SANE_STATUS_GOOD;
|
|
}
|
|
|
|
/* Send the low-level scan command */
|
|
/* todo : is this that useful ? */
|
|
#ifndef UNIT_TESTING
|
|
static
|
|
#endif
|
|
SANE_Status
|
|
gl841_begin_scan (Genesys_Device * dev, Genesys_Register_Set * reg,
|
|
SANE_Bool start_motor)
|
|
{
|
|
SANE_Status status;
|
|
Genesys_Register_Set local_reg[4];
|
|
uint8_t val;
|
|
|
|
DBG (DBG_proc, "gl841_begin_scan\n");
|
|
|
|
if (dev->model->gpo_type == GPO_CANONLIDE80)
|
|
{
|
|
RIE (sanei_genesys_read_register (dev, REG6B, &val));
|
|
val = REG6B_GPO18;
|
|
RIE (sanei_genesys_write_register (dev, REG6B, val));
|
|
}
|
|
|
|
local_reg[0].address = 0x03;
|
|
if (dev->model->ccd_type != CCD_PLUSTEK_3600)
|
|
{
|
|
local_reg[0].value = sanei_genesys_read_reg_from_set (reg, 0x03) | REG03_LAMPPWR;
|
|
}
|
|
else
|
|
{
|
|
local_reg[0].value = sanei_genesys_read_reg_from_set (reg, 0x03); /* TODO PLUSTEK_3600: why ?? */
|
|
}
|
|
|
|
local_reg[1].address = 0x01;
|
|
local_reg[1].value = sanei_genesys_read_reg_from_set (reg, 0x01) | REG01_SCAN; /* set scan bit */
|
|
|
|
local_reg[2].address = 0x0d;
|
|
local_reg[2].value = 0x01;
|
|
|
|
local_reg[3].address = 0x0f;
|
|
if (start_motor)
|
|
local_reg[3].value = 0x01;
|
|
else
|
|
local_reg[3].value = 0x00; /* do not start motor yet */
|
|
|
|
status =
|
|
gl841_bulk_write_register (dev, local_reg,
|
|
sizeof (local_reg)/sizeof (local_reg[0]));
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error,
|
|
"gl841_begin_scan: failed to bulk write registers: %s\n",
|
|
sane_strstatus (status));
|
|
return status;
|
|
}
|
|
|
|
DBG (DBG_proc, "gl841_begin_scan: completed\n");
|
|
|
|
return status;
|
|
}
|
|
|
|
|
|
/* Send the stop scan command */
|
|
#ifndef UNIT_TESTING
|
|
static
|
|
#endif
|
|
SANE_Status
|
|
gl841_end_scan (Genesys_Device * dev, Genesys_Register_Set __sane_unused__ * reg,
|
|
SANE_Bool check_stop)
|
|
{
|
|
SANE_Status status;
|
|
|
|
DBG (DBG_proc, "gl841_end_scan (check_stop = %d)\n", check_stop);
|
|
|
|
if (dev->model->is_sheetfed == SANE_TRUE)
|
|
{
|
|
status = SANE_STATUS_GOOD;
|
|
}
|
|
else /* flat bed scanners */
|
|
{
|
|
status = gl841_stop_action (dev);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error,
|
|
"gl841_end_scan: failed to stop: %s\n",
|
|
sane_strstatus (status));
|
|
return status;
|
|
}
|
|
}
|
|
|
|
DBG (DBG_proc, "gl841_end_scan: completed\n");
|
|
|
|
return status;
|
|
}
|
|
|
|
/* Moves the slider to steps */
|
|
#ifndef UNIT_TESTING
|
|
static
|
|
#endif
|
|
SANE_Status
|
|
gl841_feed (Genesys_Device * dev, int steps)
|
|
{
|
|
Genesys_Register_Set local_reg[GENESYS_GL841_MAX_REGS+1];
|
|
SANE_Status status;
|
|
uint8_t val;
|
|
int loop;
|
|
|
|
DBG (DBG_proc, "gl841_feed (steps = %d)\n", steps);
|
|
|
|
status = gl841_stop_action (dev);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error, "gl841_feed: failed to stop action: %s\n",
|
|
sane_strstatus (status));
|
|
return status;
|
|
}
|
|
|
|
memcpy (local_reg, dev->reg, (GENESYS_GL841_MAX_REGS+1) * sizeof (Genesys_Register_Set));
|
|
|
|
gl841_init_optical_regs_off(local_reg);
|
|
|
|
gl841_init_motor_regs(dev,local_reg, steps,MOTOR_ACTION_FEED,0);
|
|
|
|
status = gl841_bulk_write_register (dev, local_reg, GENESYS_GL841_MAX_REGS);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error,
|
|
"gl841_feed: failed to bulk write registers: %s\n",
|
|
sane_strstatus (status));
|
|
return status;
|
|
}
|
|
|
|
status = gl841_start_action (dev);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error,
|
|
"gl841_feed: failed to start motor: %s\n",
|
|
sane_strstatus (status));
|
|
gl841_stop_action (dev);
|
|
/* send original registers */
|
|
gl841_bulk_write_register (dev, dev->reg, GENESYS_GL841_MAX_REGS);
|
|
return status;
|
|
}
|
|
|
|
loop = 0;
|
|
while (loop < 300) /* do not wait longer then 30 seconds */
|
|
{
|
|
status = sanei_genesys_get_status (dev, &val);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error,
|
|
"gl841_feed: failed to read home sensor: %s\n",
|
|
sane_strstatus (status));
|
|
return status;
|
|
}
|
|
|
|
if (!(val & REG41_MOTORENB)) /* motor enabled */
|
|
{
|
|
DBG (DBG_proc, "gl841_feed: finished\n");
|
|
dev->scanhead_position_in_steps += steps;
|
|
return SANE_STATUS_GOOD;
|
|
}
|
|
usleep (100000); /* sleep 100 ms */
|
|
++loop;
|
|
}
|
|
|
|
/* when we come here then the scanner needed too much time for this, so we better stop the motor */
|
|
gl841_stop_action (dev);
|
|
|
|
DBG (DBG_error,
|
|
"gl841_feed: timeout while waiting for scanhead to go home\n");
|
|
return SANE_STATUS_IO_ERROR;
|
|
}
|
|
|
|
/* Moves the slider to the home (top) position slowly */
|
|
#ifndef UNIT_TESTING
|
|
static
|
|
#endif
|
|
SANE_Status
|
|
gl841_slow_back_home (Genesys_Device * dev, SANE_Bool wait_until_home)
|
|
{
|
|
Genesys_Register_Set local_reg[GENESYS_GL841_MAX_REGS+1];
|
|
SANE_Status status;
|
|
Genesys_Register_Set *r;
|
|
uint8_t val;
|
|
int loop = 0;
|
|
|
|
DBG (DBG_proc, "gl841_slow_back_home (wait_until_home = %d)\n",
|
|
wait_until_home);
|
|
|
|
if (dev->model->is_sheetfed == SANE_TRUE)
|
|
{
|
|
DBG (DBG_proc, "gl841_slow_back_home: there is no \"home\"-concept for sheet fed\n");
|
|
DBG (DBG_proc, "gl841_slow_back_home: finished\n");
|
|
return SANE_STATUS_GOOD;
|
|
}
|
|
|
|
/* reset gpio pin */
|
|
if (dev->model->gpo_type == GPO_CANONLIDE35)
|
|
{
|
|
RIE (sanei_genesys_read_register (dev, REG6C, &val));
|
|
val = dev->gpo.value[0];
|
|
RIE (sanei_genesys_write_register (dev, REG6C, val));
|
|
}
|
|
if (dev->model->gpo_type == GPO_CANONLIDE80)
|
|
{
|
|
RIE (sanei_genesys_read_register (dev, REG6B, &val));
|
|
val = REG6B_GPO18 | REG6B_GPO17;
|
|
RIE (sanei_genesys_write_register (dev, REG6B, val));
|
|
}
|
|
gl841_save_power(dev, SANE_FALSE);
|
|
|
|
/* first read gives HOME_SENSOR true */
|
|
status = sanei_genesys_get_status (dev, &val);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error,
|
|
"gl847_slow_back_home: failed to read home sensor: %s\n",
|
|
sane_strstatus (status));
|
|
return status;
|
|
}
|
|
if (DBG_LEVEL >= DBG_io)
|
|
{
|
|
sanei_genesys_print_status (val);
|
|
}
|
|
usleep (100000); /* sleep 100 ms */
|
|
|
|
/* second is reliable */
|
|
status = sanei_genesys_get_status (dev, &val);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error,
|
|
"gl841_slow_back_home: failed to read home sensor: %s\n",
|
|
sane_strstatus (status));
|
|
return status;
|
|
}
|
|
if (DBG_LEVEL >= DBG_io)
|
|
{
|
|
sanei_genesys_print_status (val);
|
|
}
|
|
|
|
dev->scanhead_position_in_steps = 0;
|
|
|
|
if (val & REG41_HOMESNR) /* is sensor at home? */
|
|
{
|
|
DBG (DBG_info,
|
|
"gl841_slow_back_home: already at home, completed\n");
|
|
dev->scanhead_position_in_steps = 0;
|
|
return SANE_STATUS_GOOD;
|
|
}
|
|
|
|
/* end previous scan if any */
|
|
r = sanei_genesys_get_address (dev->reg, REG01);
|
|
r->value &= ~REG01_SCAN;
|
|
status = sanei_genesys_write_register (dev, REG01, r->value);
|
|
|
|
/* if motor is on, stop current action */
|
|
if (val & REG41_MOTORENB)
|
|
{
|
|
status = gl841_stop_action (dev);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error,
|
|
"gl841_slow_back_home: failed to stop motor: %s\n",
|
|
sane_strstatus (status));
|
|
return SANE_STATUS_IO_ERROR;
|
|
}
|
|
}
|
|
|
|
memcpy (local_reg, dev->reg, (GENESYS_GL841_MAX_REGS+1) * sizeof (Genesys_Register_Set));
|
|
|
|
gl841_init_motor_regs(dev,local_reg, 65536,MOTOR_ACTION_GO_HOME,0);
|
|
|
|
/* set up for reverse and no scan */
|
|
r = sanei_genesys_get_address (local_reg, REG02);
|
|
r->value |= REG02_MTRREV;
|
|
r = sanei_genesys_get_address (local_reg, REG01);
|
|
r->value &= ~REG01_SCAN;
|
|
|
|
RIE (gl841_bulk_write_register (dev, local_reg, GENESYS_GL841_MAX_REGS));
|
|
|
|
status = gl841_start_action (dev);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error,
|
|
"gl841_slow_back_home: failed to start motor: %s\n",
|
|
sane_strstatus (status));
|
|
gl841_stop_action (dev);
|
|
/* send original registers */
|
|
gl841_bulk_write_register (dev, dev->reg, GENESYS_GL841_MAX_REGS);
|
|
return status;
|
|
}
|
|
|
|
if (wait_until_home)
|
|
{
|
|
while (loop < 300) /* do not wait longer then 30 seconds */
|
|
{
|
|
status = sanei_genesys_get_status (dev, &val);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error,
|
|
"gl841_slow_back_home: failed to read home sensor: %s\n",
|
|
sane_strstatus (status));
|
|
return status;
|
|
}
|
|
|
|
if (val & REG41_HOMESNR) /* home sensor */
|
|
{
|
|
DBG (DBG_info, "gl841_slow_back_home: reached home position\n");
|
|
DBG (DBG_proc, "gl841_slow_back_home: finished\n");
|
|
return SANE_STATUS_GOOD;
|
|
}
|
|
usleep (100000); /* sleep 100 ms */
|
|
++loop;
|
|
}
|
|
|
|
/* when we come here then the scanner needed too much time for this, so we better stop the motor */
|
|
gl841_stop_action (dev);
|
|
DBG (DBG_error,
|
|
"gl841_slow_back_home: timeout while waiting for scanhead to go home\n");
|
|
return SANE_STATUS_IO_ERROR;
|
|
}
|
|
|
|
DBG (DBG_info, "gl841_slow_back_home: scanhead is still moving\n");
|
|
DBG (DBG_proc, "gl841_slow_back_home: finished\n");
|
|
return SANE_STATUS_GOOD;
|
|
}
|
|
|
|
/* Automatically set top-left edge of the scan area by scanning a 200x200 pixels
|
|
area at 600 dpi from very top of scanner */
|
|
static SANE_Status
|
|
gl841_search_start_position (Genesys_Device * dev)
|
|
{
|
|
int size;
|
|
SANE_Status status;
|
|
uint8_t *data;
|
|
Genesys_Register_Set local_reg[GENESYS_GL841_MAX_REGS+1];
|
|
int steps;
|
|
|
|
int pixels = 600;
|
|
int dpi = 300;
|
|
|
|
DBGSTART;
|
|
|
|
memcpy (local_reg, dev->reg, (GENESYS_GL841_MAX_REGS +1) * sizeof (Genesys_Register_Set));
|
|
|
|
/* sets for a 200 lines * 600 pixels */
|
|
/* normal scan with no shading */
|
|
|
|
status = gl841_init_scan_regs (dev,
|
|
local_reg,
|
|
dpi,
|
|
dpi,
|
|
0,
|
|
0,/*we should give a small offset here~60 steps*/
|
|
600,
|
|
dev->model->search_lines,
|
|
8,
|
|
1,
|
|
1,/*green*/
|
|
SCAN_FLAG_DISABLE_SHADING |
|
|
SCAN_FLAG_DISABLE_GAMMA |
|
|
SCAN_FLAG_IGNORE_LINE_DISTANCE |
|
|
SCAN_FLAG_DISABLE_BUFFER_FULL_MOVE);
|
|
if(status!=SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error, "%s: failed to init scan registers: %s\n", __func__,
|
|
sane_strstatus (status));
|
|
return status;
|
|
}
|
|
|
|
/* send to scanner */
|
|
status =
|
|
gl841_bulk_write_register (dev, local_reg, GENESYS_GL841_MAX_REGS);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error, "%s: failed to bulk write registers: %s\n", __func__,
|
|
sane_strstatus (status));
|
|
return status;
|
|
}
|
|
|
|
size = pixels * dev->model->search_lines;
|
|
|
|
data = malloc (size);
|
|
if (!data)
|
|
{
|
|
DBG (DBG_error,
|
|
"gl841_search_start_position: failed to allocate memory\n");
|
|
return SANE_STATUS_NO_MEM;
|
|
}
|
|
|
|
status = gl841_begin_scan (dev, local_reg, SANE_TRUE);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
free (data);
|
|
DBG (DBG_error,
|
|
"gl841_search_start_position: failed to begin scan: %s\n",
|
|
sane_strstatus (status));
|
|
return status;
|
|
}
|
|
|
|
/* waits for valid data */
|
|
do
|
|
sanei_genesys_test_buffer_empty (dev, &steps);
|
|
while (steps);
|
|
|
|
/* now we're on target, we can read data */
|
|
status = sanei_genesys_read_data_from_scanner (dev, data, size);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
free (data);
|
|
DBG (DBG_error,
|
|
"gl841_search_start_position: failed to read data: %s\n",
|
|
sane_strstatus (status));
|
|
return status;
|
|
}
|
|
|
|
if (DBG_LEVEL >= DBG_data)
|
|
sanei_genesys_write_pnm_file ("search_position.pnm", data, 8, 1, pixels,
|
|
dev->model->search_lines);
|
|
|
|
status = gl841_end_scan (dev, local_reg, SANE_TRUE);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
free (data);
|
|
DBG (DBG_error,
|
|
"gl841_search_start_position: failed to end scan: %s\n",
|
|
sane_strstatus (status));
|
|
return status;
|
|
}
|
|
|
|
/* update regs to copy ASIC internal state */
|
|
memcpy (dev->reg, local_reg, (GENESYS_GL841_MAX_REGS + 1) * sizeof (Genesys_Register_Set));
|
|
|
|
/*TODO: find out where sanei_genesys_search_reference_point
|
|
stores information, and use that correctly*/
|
|
status =
|
|
sanei_genesys_search_reference_point (dev, data, 0, dpi, pixels,
|
|
dev->model->search_lines);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
free (data);
|
|
DBG (DBG_error,
|
|
"gl841_search_start_position: failed to set search reference point: %s\n",
|
|
sane_strstatus (status));
|
|
return status;
|
|
}
|
|
|
|
free (data);
|
|
return SANE_STATUS_GOOD;
|
|
}
|
|
|
|
/*
|
|
* sets up register for coarse gain calibration
|
|
* todo: check it for scanners using it */
|
|
static SANE_Status
|
|
gl841_init_regs_for_coarse_calibration (Genesys_Device * dev)
|
|
{
|
|
SANE_Status status;
|
|
uint8_t channels;
|
|
uint8_t cksel;
|
|
|
|
DBGSTART;
|
|
|
|
cksel = (dev->calib_reg[reg_0x18].value & REG18_CKSEL) + 1; /* clock speed = 1..4 clocks */
|
|
|
|
/* set line size */
|
|
if (dev->settings.scan_mode == SCAN_MODE_COLOR) /* single pass color */
|
|
channels = 3;
|
|
else
|
|
channels = 1;
|
|
|
|
status = gl841_init_scan_regs (dev,
|
|
dev->calib_reg,
|
|
dev->settings.xres,
|
|
dev->settings.yres,
|
|
0,
|
|
0,
|
|
dev->sensor.optical_res / cksel, /* XXX STEF XXX !!! */
|
|
20,
|
|
16,
|
|
channels,
|
|
dev->settings.color_filter,
|
|
SCAN_FLAG_DISABLE_SHADING |
|
|
SCAN_FLAG_DISABLE_GAMMA |
|
|
SCAN_FLAG_SINGLE_LINE |
|
|
SCAN_FLAG_IGNORE_LINE_DISTANCE
|
|
);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error,
|
|
"gl841_init_register_for_coarse_calibration: failed to setup scan: %s\n",
|
|
sane_strstatus (status));
|
|
return status;
|
|
}
|
|
|
|
DBG (DBG_info,
|
|
"gl841_init_register_for_coarse_calibration: optical sensor res: %d dpi, actual res: %d\n",
|
|
dev->sensor.optical_res / cksel, dev->settings.xres);
|
|
|
|
status =
|
|
gl841_bulk_write_register (dev, dev->calib_reg, GENESYS_GL841_MAX_REGS);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error,
|
|
"gl841_init_register_for_coarse_calibration: failed to bulk write registers: %s\n",
|
|
sane_strstatus (status));
|
|
return status;
|
|
}
|
|
|
|
|
|
/* if (DBG_LEVEL >= DBG_info)
|
|
sanei_gl841_print_registers (dev->calib_reg);*/
|
|
|
|
DBGCOMPLETED;
|
|
return SANE_STATUS_GOOD;
|
|
}
|
|
|
|
|
|
/* init registers for shading calibration */
|
|
static SANE_Status
|
|
gl841_init_regs_for_shading (Genesys_Device * dev)
|
|
{
|
|
SANE_Status status;
|
|
SANE_Int ydpi;
|
|
float starty=0;
|
|
|
|
DBGSTART;
|
|
DBG (DBG_proc, "%s: lines = %d\n", __func__, (int)(dev->calib_lines));
|
|
|
|
/* initial calibration reg values */
|
|
memcpy (dev->calib_reg, dev->reg, GENESYS_GL841_MAX_REGS * sizeof (Genesys_Register_Set));
|
|
|
|
ydpi = dev->motor.base_ydpi;
|
|
if (dev->model->motor_type == MOTOR_PLUSTEK_3600) /* TODO PLUSTEK_3600: 1200dpi not yet working, produces dark bar */
|
|
{
|
|
ydpi = 600;
|
|
}
|
|
if (dev->model->motor_type == MOTOR_CANONLIDE80)
|
|
{
|
|
ydpi = gl841_get_dpihw(dev);
|
|
/* get over extra dark area for this model */
|
|
starty = 140;
|
|
}
|
|
|
|
dev->calib_channels = 3;
|
|
dev->calib_lines = dev->model->shading_lines;
|
|
status = gl841_init_scan_regs (dev,
|
|
dev->calib_reg,
|
|
dev->settings.xres,
|
|
ydpi,
|
|
0,
|
|
starty,
|
|
(dev->sensor.sensor_pixels * dev->settings.xres) / dev->sensor.optical_res,
|
|
dev->calib_lines,
|
|
16,
|
|
dev->calib_channels,
|
|
dev->settings.color_filter,
|
|
SCAN_FLAG_DISABLE_SHADING |
|
|
SCAN_FLAG_DISABLE_GAMMA |
|
|
SCAN_FLAG_USE_OPTICAL_RES |
|
|
/*SCAN_FLAG_DISABLE_BUFFER_FULL_MOVE |*/
|
|
SCAN_FLAG_IGNORE_LINE_DISTANCE);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error, "%s: failed to setup scan: %s\n", __func__, sane_strstatus (status));
|
|
return status;
|
|
}
|
|
|
|
dev->calib_pixels = dev->current_setup.pixels;
|
|
dev->scanhead_position_in_steps += dev->calib_lines + starty;
|
|
|
|
status = gl841_bulk_write_register (dev, dev->calib_reg, GENESYS_GL841_MAX_REGS);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error, "%s: failed to bulk write registers: %s\n", __func__,
|
|
sane_strstatus (status));
|
|
return status;
|
|
}
|
|
|
|
DBGCOMPLETED;
|
|
return SANE_STATUS_GOOD;
|
|
}
|
|
|
|
/* set up registers for the actual scan
|
|
*/
|
|
static SANE_Status
|
|
gl841_init_regs_for_scan (Genesys_Device * dev)
|
|
{
|
|
int channels;
|
|
int flags;
|
|
int depth;
|
|
float move;
|
|
int move_dpi;
|
|
float start;
|
|
|
|
SANE_Status status;
|
|
|
|
DBG (DBG_info,
|
|
"gl841_init_regs_for_scan settings:\nResolution: %uDPI\n"
|
|
"Lines : %u\nPPL : %u\nStartpos : %.3f/%.3f\nScan mode : %d\n\n",
|
|
dev->settings.yres, dev->settings.lines, dev->settings.pixels,
|
|
dev->settings.tl_x, dev->settings.tl_y, dev->settings.scan_mode);
|
|
|
|
gl841_slow_back_home(dev,SANE_TRUE);
|
|
|
|
/* channels */
|
|
if (dev->settings.scan_mode == SCAN_MODE_COLOR) /* single pass color */
|
|
channels = 3;
|
|
else
|
|
channels = 1;
|
|
|
|
/* depth */
|
|
depth = dev->settings.depth;
|
|
if (dev->settings.scan_mode == SCAN_MODE_LINEART)
|
|
depth = 1;
|
|
|
|
|
|
/* steps to move to reach scanning area:
|
|
- first we move to physical start of scanning
|
|
either by a fixed steps amount from the black strip
|
|
or by a fixed amount from parking position,
|
|
minus the steps done during shading calibration
|
|
- then we move by the needed offset whitin physical
|
|
scanning area
|
|
|
|
assumption: steps are expressed at maximum motor resolution
|
|
|
|
we need:
|
|
SANE_Fixed y_offset;
|
|
SANE_Fixed y_size;
|
|
SANE_Fixed y_offset_calib;
|
|
mm_to_steps()=motor dpi / 2.54 / 10=motor dpi / MM_PER_INCH */
|
|
|
|
/* if scanner uses GENESYS_FLAG_SEARCH_START y_offset is
|
|
relative from origin, else, it is from parking position */
|
|
|
|
move_dpi = dev->motor.base_ydpi;
|
|
|
|
move = 0;
|
|
if (dev->model->flags & GENESYS_FLAG_SEARCH_START)
|
|
{
|
|
move += SANE_UNFIX (dev->model->y_offset_calib);
|
|
}
|
|
|
|
DBG (DBG_info, "gl841_init_regs_for_scan: move=%f steps\n", move);
|
|
|
|
move += SANE_UNFIX (dev->model->y_offset);
|
|
DBG (DBG_info, "gl841_init_regs_for_scan: move=%f steps\n", move);
|
|
|
|
move += dev->settings.tl_y;
|
|
DBG (DBG_info, "gl841_init_regs_for_scan: move=%f steps\n", move);
|
|
|
|
move = (move * move_dpi) / MM_PER_INCH;
|
|
|
|
/* start */
|
|
start = SANE_UNFIX (dev->model->x_offset);
|
|
|
|
start += dev->settings.tl_x;
|
|
|
|
start = (start * dev->sensor.optical_res) / MM_PER_INCH;
|
|
|
|
flags=0;
|
|
|
|
/* we enable true gray for cis scanners only, and just when doing
|
|
* scan since color calibration is OK for this mode
|
|
*/
|
|
flags = 0;
|
|
|
|
/* true gray (led add for cis scanners) */
|
|
if(dev->model->is_cis && dev->settings.true_gray
|
|
&& dev->settings.scan_mode != SCAN_MODE_COLOR)
|
|
{
|
|
DBG (DBG_io, "%s: activating LEDADD\n", __func__);
|
|
flags |= SCAN_FLAG_ENABLE_LEDADD;
|
|
}
|
|
|
|
/* enable emulated lineart from gray data */
|
|
if(dev->settings.scan_mode == SCAN_MODE_LINEART
|
|
&& dev->settings.dynamic_lineart)
|
|
{
|
|
flags |= SCAN_FLAG_DYNAMIC_LINEART;
|
|
}
|
|
|
|
status = gl841_init_scan_regs (dev,
|
|
dev->reg,
|
|
dev->settings.xres,
|
|
dev->settings.yres,
|
|
start,
|
|
move,
|
|
dev->settings.pixels,
|
|
dev->settings.lines,
|
|
depth,
|
|
channels,
|
|
dev->settings.color_filter,
|
|
flags);
|
|
|
|
if (status != SANE_STATUS_GOOD)
|
|
return status;
|
|
|
|
|
|
DBG (DBG_proc, "gl841_init_register_for_scan: completed\n");
|
|
return SANE_STATUS_GOOD;
|
|
}
|
|
|
|
/*
|
|
* this function sends generic gamma table (ie linear ones)
|
|
* or the Sensor specific one if provided
|
|
*/
|
|
static SANE_Status
|
|
gl841_send_gamma_table (Genesys_Device * dev)
|
|
{
|
|
int size;
|
|
SANE_Status status;
|
|
uint8_t *gamma;
|
|
|
|
DBGSTART;
|
|
|
|
size = 256;
|
|
|
|
/* allocate temporary gamma tables: 16 bits words, 3 channels */
|
|
gamma = (uint8_t *) malloc (size * 2 * 3);
|
|
if (gamma==NULL)
|
|
{
|
|
return SANE_STATUS_NO_MEM;
|
|
}
|
|
|
|
RIE(sanei_genesys_generate_gamma_buffer(dev, 16, 65535, size, gamma));
|
|
|
|
/* send address */
|
|
status = gl841_set_buffer_address_gamma (dev, 0x00000);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
free (gamma);
|
|
DBG (DBG_error,
|
|
"gl841_send_gamma_table: failed to set buffer address: %s\n",
|
|
sane_strstatus (status));
|
|
return status;
|
|
}
|
|
|
|
/* send data */
|
|
status = gl841_bulk_write_data_gamma (dev, 0x28, (uint8_t *) gamma, size * 2 * 3);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
free (gamma);
|
|
DBG (DBG_error,
|
|
"gl841_send_gamma_table: failed to send gamma table: %s\n",
|
|
sane_strstatus (status));
|
|
return status;
|
|
}
|
|
|
|
free (gamma);
|
|
DBGCOMPLETED;
|
|
return SANE_STATUS_GOOD;
|
|
}
|
|
|
|
|
|
/* this function does the led calibration by scanning one line of the calibration
|
|
area below scanner's top on white strip.
|
|
|
|
-needs working coarse/gain
|
|
*/
|
|
GENESYS_STATIC SANE_Status
|
|
gl841_led_calibration (Genesys_Device * dev)
|
|
{
|
|
int num_pixels;
|
|
int total_size;
|
|
uint8_t *line;
|
|
int i, j;
|
|
SANE_Status status = SANE_STATUS_GOOD;
|
|
int val;
|
|
int channels;
|
|
int avg[3], avga, avge;
|
|
int turn;
|
|
char fn[20];
|
|
uint16_t exp[3], target;
|
|
Genesys_Register_Set *r;
|
|
int move;
|
|
|
|
SANE_Bool acceptable = SANE_FALSE;
|
|
|
|
/* these 2 boundaries should be per sensor */
|
|
uint16_t min_exposure=500;
|
|
uint16_t max_exposure;
|
|
|
|
DBGSTART;
|
|
|
|
/* feed to white strip if needed */
|
|
if (dev->model->y_offset_calib>0)
|
|
{
|
|
move = SANE_UNFIX (dev->model->y_offset_calib);
|
|
move = (move * (dev->motor.base_ydpi)) / MM_PER_INCH;
|
|
DBG (DBG_io, "%s: move=%d lines\n", __func__, move);
|
|
status = gl841_feed(dev, move);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error, "%s: failed to feed: %s\n", __func__,
|
|
sane_strstatus (status));
|
|
return status;
|
|
}
|
|
}
|
|
|
|
/* offset calibration is always done in color mode */
|
|
channels = 3;
|
|
|
|
status = gl841_init_scan_regs (dev,
|
|
dev->calib_reg,
|
|
dev->settings.xres,
|
|
dev->settings.yres,
|
|
0,
|
|
0,
|
|
(dev->sensor.sensor_pixels*dev->settings.xres) / dev->sensor.optical_res,
|
|
1,
|
|
16,
|
|
channels,
|
|
dev->settings.color_filter,
|
|
SCAN_FLAG_DISABLE_SHADING |
|
|
SCAN_FLAG_DISABLE_GAMMA |
|
|
SCAN_FLAG_SINGLE_LINE |
|
|
SCAN_FLAG_IGNORE_LINE_DISTANCE |
|
|
SCAN_FLAG_USE_OPTICAL_RES
|
|
);
|
|
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error,
|
|
"%s: failed to setup scan: %s\n", __func__,
|
|
sane_strstatus (status));
|
|
return status;
|
|
}
|
|
|
|
RIE (gl841_bulk_write_register(dev, dev->calib_reg, GENESYS_GL841_MAX_REGS));
|
|
|
|
num_pixels = dev->current_setup.pixels;
|
|
|
|
total_size = num_pixels * channels * 2 * 1; /* colors * bytes_per_color * scan lines */
|
|
|
|
line = malloc (total_size);
|
|
if (!line)
|
|
return SANE_STATUS_NO_MEM;
|
|
|
|
/*
|
|
we try to get equal bright leds here:
|
|
|
|
loop:
|
|
average per color
|
|
adjust exposure times
|
|
*/
|
|
|
|
exp[0] = (dev->sensor.regs_0x10_0x1d[0] << 8) | dev->sensor.regs_0x10_0x1d[1];
|
|
exp[1] = (dev->sensor.regs_0x10_0x1d[2] << 8) | dev->sensor.regs_0x10_0x1d[3];
|
|
exp[2] = (dev->sensor.regs_0x10_0x1d[4] << 8) | dev->sensor.regs_0x10_0x1d[5];
|
|
|
|
turn = 0;
|
|
/* max exposure is set to ~2 time initial average
|
|
* exposure, or 2 time last calibration exposure */
|
|
max_exposure=((exp[0]+exp[1]+exp[2])/3)*2;
|
|
target=dev->sensor.gain_white_ref*256;
|
|
|
|
do {
|
|
|
|
dev->sensor.regs_0x10_0x1d[0] = (exp[0] >> 8) & 0xff;
|
|
dev->sensor.regs_0x10_0x1d[1] = exp[0] & 0xff;
|
|
dev->sensor.regs_0x10_0x1d[2] = (exp[1] >> 8) & 0xff;
|
|
dev->sensor.regs_0x10_0x1d[3] = exp[1] & 0xff;
|
|
dev->sensor.regs_0x10_0x1d[4] = (exp[2] >> 8) & 0xff;
|
|
dev->sensor.regs_0x10_0x1d[5] = exp[2] & 0xff;
|
|
|
|
r = &(dev->calib_reg[reg_0x10]);
|
|
for (i = 0; i < 6; i++, r++) {
|
|
r->value = dev->sensor.regs_0x10_0x1d[i];
|
|
RIE (sanei_genesys_write_register (dev, 0x10+i, dev->sensor.regs_0x10_0x1d[i]));
|
|
}
|
|
|
|
RIE (gl841_bulk_write_register (dev, dev->calib_reg, GENESYS_GL841_MAX_REGS));
|
|
|
|
DBG (DBG_info, "%s: starting line reading\n", __func__);
|
|
RIE (gl841_begin_scan (dev, dev->calib_reg, SANE_TRUE));
|
|
RIE (sanei_genesys_read_data_from_scanner (dev, line, total_size));
|
|
|
|
if (DBG_LEVEL >= DBG_data) {
|
|
snprintf(fn,20,"led_%d.pnm",turn);
|
|
sanei_genesys_write_pnm_file (fn,
|
|
line,
|
|
16,
|
|
channels,
|
|
num_pixels, 1);
|
|
}
|
|
|
|
/* compute average */
|
|
for (j = 0; j < channels; j++)
|
|
{
|
|
avg[j] = 0;
|
|
for (i = 0; i < num_pixels; i++)
|
|
{
|
|
if (dev->model->is_cis)
|
|
val =
|
|
line[i * 2 + j * 2 * num_pixels + 1] * 256 +
|
|
line[i * 2 + j * 2 * num_pixels];
|
|
else
|
|
val =
|
|
line[i * 2 * channels + 2 * j + 1] * 256 +
|
|
line[i * 2 * channels + 2 * j];
|
|
avg[j] += val;
|
|
}
|
|
|
|
avg[j] /= num_pixels;
|
|
}
|
|
|
|
DBG(DBG_info,"%s: average: %d,%d,%d\n", __func__, avg[0], avg[1], avg[2]);
|
|
|
|
acceptable = SANE_TRUE;
|
|
|
|
/* exposure is acceptable if each color is in the %5 range
|
|
* of other color channels */
|
|
if (avg[0] < avg[1] * 0.95 || avg[1] < avg[0] * 0.95 ||
|
|
avg[0] < avg[2] * 0.95 || avg[2] < avg[0] * 0.95 ||
|
|
avg[1] < avg[2] * 0.95 || avg[2] < avg[1] * 0.95)
|
|
{
|
|
acceptable = SANE_FALSE;
|
|
}
|
|
|
|
/* led exposure is not acceptable if white level is too low
|
|
* ~80 hardcoded value for white level */
|
|
if(avg[0]<20000 || avg[1]<20000 || avg[2]<20000)
|
|
{
|
|
acceptable = SANE_FALSE;
|
|
}
|
|
|
|
/* for scanners using target value */
|
|
if(target>0)
|
|
{
|
|
acceptable = SANE_TRUE;
|
|
for(i=0;i<3;i++)
|
|
{
|
|
/* we accept +- 2% delta from target */
|
|
if(abs(avg[i]-target)>target/50)
|
|
{
|
|
exp[i]=(exp[i]*target)/avg[i];
|
|
acceptable = SANE_FALSE;
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (!acceptable)
|
|
{
|
|
avga = (avg[0]+avg[1]+avg[2])/3;
|
|
exp[0] = (exp[0] * avga) / avg[0];
|
|
exp[1] = (exp[1] * avga) / avg[1];
|
|
exp[2] = (exp[2] * avga) / avg[2];
|
|
/*
|
|
keep the resulting exposures below this value.
|
|
too long exposure drives the ccd into saturation.
|
|
we may fix this by relying on the fact that
|
|
we get a striped scan without shading, by means of
|
|
statistical calculation
|
|
*/
|
|
avge = (exp[0] + exp[1] + exp[2]) / 3;
|
|
|
|
if (avge > max_exposure) {
|
|
exp[0] = (exp[0] * max_exposure) / avge;
|
|
exp[1] = (exp[1] * max_exposure) / avge;
|
|
exp[2] = (exp[2] * max_exposure) / avge;
|
|
}
|
|
if (avge < min_exposure) {
|
|
exp[0] = (exp[0] * min_exposure) / avge;
|
|
exp[1] = (exp[1] * min_exposure) / avge;
|
|
exp[2] = (exp[2] * min_exposure) / avge;
|
|
}
|
|
|
|
}
|
|
}
|
|
|
|
RIE (gl841_stop_action (dev));
|
|
|
|
turn++;
|
|
|
|
} while (!acceptable && turn < 100);
|
|
|
|
DBG(DBG_info,"%s: acceptable exposure: %d,%d,%d\n", __func__, exp[0],exp[1],exp[2]);
|
|
|
|
/* cleanup before return */
|
|
free (line);
|
|
|
|
gl841_slow_back_home(dev, SANE_TRUE);
|
|
|
|
DBGCOMPLETED;
|
|
return status;
|
|
}
|
|
|
|
/** @brief calibration for AD frontend devices
|
|
* offset calibration assumes that the scanning head is on a black area
|
|
* For LiDE80 analog frontend
|
|
* 0x0003 : is gain and belongs to [0..63]
|
|
* 0x0006 : is offset
|
|
* We scan a line with no gain until average offset reaches the target
|
|
*/
|
|
static SANE_Status
|
|
ad_fe_offset_calibration (Genesys_Device * dev)
|
|
{
|
|
SANE_Status status = SANE_STATUS_GOOD;
|
|
int num_pixels;
|
|
int total_size;
|
|
uint8_t *line;
|
|
int i;
|
|
int average;
|
|
int turn;
|
|
char fn[20];
|
|
int top;
|
|
int bottom;
|
|
int target;
|
|
|
|
DBGSTART;
|
|
|
|
/* don't impact 3600 behavior since we can't test it */
|
|
if (dev->model->ccd_type == CCD_PLUSTEK_3600)
|
|
{
|
|
DBGCOMPLETED;
|
|
return status;
|
|
}
|
|
|
|
status = gl841_init_scan_regs (dev,
|
|
dev->calib_reg,
|
|
dev->settings.xres,
|
|
dev->settings.yres,
|
|
0,
|
|
0,
|
|
(dev->sensor.sensor_pixels*dev->settings.xres) / dev->sensor.optical_res,
|
|
1,
|
|
8,
|
|
3,
|
|
dev->settings.color_filter,
|
|
SCAN_FLAG_DISABLE_SHADING |
|
|
SCAN_FLAG_DISABLE_GAMMA |
|
|
SCAN_FLAG_SINGLE_LINE |
|
|
SCAN_FLAG_IGNORE_LINE_DISTANCE |
|
|
SCAN_FLAG_USE_OPTICAL_RES);
|
|
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error,
|
|
"gl841_offset_calibration: failed to setup scan: %s\n",
|
|
sane_strstatus (status));
|
|
return status;
|
|
}
|
|
|
|
num_pixels = dev->current_setup.pixels;
|
|
total_size = num_pixels * 3 * 2 * 1;
|
|
|
|
line = malloc (total_size);
|
|
if (line==NULL)
|
|
{
|
|
DBGCOMPLETED;
|
|
return SANE_STATUS_NO_MEM;
|
|
}
|
|
|
|
dev->frontend.gain[0] = 0x00;
|
|
dev->frontend.gain[1] = 0x00;
|
|
dev->frontend.gain[2] = 0x00;
|
|
|
|
/* loop on scan until target offset is reached */
|
|
turn=0;
|
|
target=24;
|
|
bottom=0;
|
|
top=255;
|
|
do {
|
|
/* set up offset mid range */
|
|
dev->frontend.offset[0] = (top+bottom)/2;
|
|
dev->frontend.offset[1] = (top+bottom)/2;
|
|
dev->frontend.offset[2] = (top+bottom)/2;
|
|
|
|
/* scan line */
|
|
DBG (DBG_info, "%s: starting line reading\n",__func__);
|
|
gl841_bulk_write_register (dev, dev->calib_reg, GENESYS_GL841_MAX_REGS);
|
|
gl841_set_fe(dev, AFE_SET);
|
|
gl841_begin_scan (dev, dev->calib_reg, SANE_TRUE);
|
|
sanei_genesys_read_data_from_scanner (dev, line, total_size);
|
|
gl841_stop_action (dev);
|
|
if (DBG_LEVEL >= DBG_data) {
|
|
snprintf(fn,20,"offset_%02d.pnm",turn);
|
|
sanei_genesys_write_pnm_file (fn, line, 8, 3, num_pixels, 1);
|
|
}
|
|
|
|
/* search for minimal value */
|
|
average=0;
|
|
for(i=0;i<total_size;i++)
|
|
{
|
|
average+=line[i];
|
|
}
|
|
average/=total_size;
|
|
DBG (DBG_data, "%s: average=%d\n", __func__, average);
|
|
|
|
/* if min value is above target, the current value becomes the new top
|
|
* else it is the new bottom */
|
|
if(average>target)
|
|
{
|
|
top=(top+bottom)/2;
|
|
}
|
|
else
|
|
{
|
|
bottom=(top+bottom)/2;
|
|
}
|
|
turn++;
|
|
} while ((top-bottom)>1 && turn < 100);
|
|
|
|
dev->frontend.offset[0]=0;
|
|
dev->frontend.offset[1]=0;
|
|
dev->frontend.offset[2]=0;
|
|
free(line);
|
|
DBG (DBG_info, "%s: offset=(%d,%d,%d)\n", __func__,
|
|
dev->frontend.offset[0],
|
|
dev->frontend.offset[1],
|
|
dev->frontend.offset[2]);
|
|
DBGCOMPLETED;
|
|
return status;
|
|
}
|
|
|
|
/* this function does the offset calibration by scanning one line of the calibration
|
|
area below scanner's top. There is a black margin and the remaining is white.
|
|
sanei_genesys_search_start() must have been called so that the offsets and margins
|
|
are allready known.
|
|
|
|
this function expects the slider to be where?
|
|
*/
|
|
GENESYS_STATIC SANE_Status
|
|
gl841_offset_calibration (Genesys_Device * dev)
|
|
{
|
|
int num_pixels;
|
|
int total_size;
|
|
uint8_t *first_line, *second_line;
|
|
int i, j;
|
|
SANE_Status status = SANE_STATUS_GOOD;
|
|
int val;
|
|
int channels;
|
|
int off[3],offh[3],offl[3],off1[3],off2[3];
|
|
int min1[3],min2[3];
|
|
int cmin[3],cmax[3];
|
|
int turn;
|
|
char fn[20];
|
|
SANE_Bool acceptable = SANE_FALSE;
|
|
int mintgt = 0x400;
|
|
|
|
DBG (DBG_proc, "gl841_offset_calibration\n");
|
|
|
|
/* Analog Device fronted have a different calibration */
|
|
if ((dev->reg[reg_0x04].value & REG04_FESET) == 0x02)
|
|
{
|
|
return ad_fe_offset_calibration (dev);
|
|
}
|
|
|
|
/* offset calibration is always done in color mode */
|
|
channels = 3;
|
|
|
|
status = gl841_init_scan_regs (dev,
|
|
dev->calib_reg,
|
|
dev->settings.xres,
|
|
dev->settings.yres,
|
|
0,
|
|
0,
|
|
(dev->sensor.sensor_pixels*dev->settings.xres) / dev->sensor.optical_res,
|
|
1,
|
|
16,
|
|
channels,
|
|
dev->settings.color_filter,
|
|
SCAN_FLAG_DISABLE_SHADING |
|
|
SCAN_FLAG_DISABLE_GAMMA |
|
|
SCAN_FLAG_SINGLE_LINE |
|
|
SCAN_FLAG_IGNORE_LINE_DISTANCE |
|
|
SCAN_FLAG_USE_OPTICAL_RES |
|
|
SCAN_FLAG_DISABLE_LAMP
|
|
);
|
|
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error,
|
|
"gl841_offset_calibration: failed to setup scan: %s\n",
|
|
sane_strstatus (status));
|
|
return status;
|
|
}
|
|
|
|
num_pixels = dev->current_setup.pixels;
|
|
|
|
total_size = num_pixels * channels * 2 * 1; /* colors * bytes_per_color * scan lines */
|
|
|
|
first_line = malloc (total_size);
|
|
if (!first_line)
|
|
return SANE_STATUS_NO_MEM;
|
|
|
|
second_line = malloc (total_size);
|
|
if (!second_line)
|
|
{
|
|
free (first_line);
|
|
return SANE_STATUS_NO_MEM;
|
|
}
|
|
|
|
/* scan first line of data with no offset nor gain */
|
|
/*WM8199: gain=0.73; offset=-260mV*/
|
|
/*okay. the sensor black level is now at -260mV. we only get 0 from AFE...*/
|
|
/* we should probably do real calibration here:
|
|
* -detect acceptable offset with binary search
|
|
* -calculate offset from this last version
|
|
*
|
|
* acceptable offset means
|
|
* - few completely black pixels(<10%?)
|
|
* - few completely white pixels(<10%?)
|
|
*
|
|
* final offset should map the minimum not completely black
|
|
* pixel to 0(16 bits)
|
|
*
|
|
* this does account for dummy pixels at the end of ccd
|
|
* this assumes slider is at black strip(which is not quite as black as "no
|
|
* signal").
|
|
*
|
|
*/
|
|
dev->frontend.gain[0] = 0x00;
|
|
dev->frontend.gain[1] = 0x00;
|
|
dev->frontend.gain[2] = 0x00;
|
|
offh[0] = 0xff;
|
|
offh[1] = 0xff;
|
|
offh[2] = 0xff;
|
|
offl[0] = 0x00;
|
|
offl[1] = 0x00;
|
|
offl[2] = 0x00;
|
|
turn = 0;
|
|
|
|
do {
|
|
|
|
RIEF2 (gl841_bulk_write_register
|
|
(dev, dev->calib_reg, GENESYS_GL841_MAX_REGS), first_line, second_line);
|
|
|
|
for (j=0; j < channels; j++) {
|
|
off[j] = (offh[j]+offl[j])/2;
|
|
dev->frontend.offset[j] = off[j];
|
|
}
|
|
|
|
status = gl841_set_fe(dev, AFE_SET);
|
|
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error,
|
|
"gl841_offset_calibration: failed to setup frontend: %s\n",
|
|
sane_strstatus (status));
|
|
return status;
|
|
}
|
|
|
|
DBG (DBG_info,
|
|
"gl841_offset_calibration: starting first line reading\n");
|
|
RIEF2 (gl841_begin_scan (dev, dev->calib_reg, SANE_TRUE), first_line, second_line);
|
|
|
|
RIEF2 (sanei_genesys_read_data_from_scanner (dev, first_line, total_size), first_line, second_line);
|
|
|
|
if (DBG_LEVEL >= DBG_data) {
|
|
snprintf(fn,20,"offset1_%02d.pnm",turn);
|
|
sanei_genesys_write_pnm_file (fn,
|
|
first_line,
|
|
16,
|
|
channels,
|
|
num_pixels, 1);
|
|
}
|
|
|
|
acceptable = SANE_TRUE;
|
|
|
|
for (j = 0; j < channels; j++)
|
|
{
|
|
cmin[j] = 0;
|
|
cmax[j] = 0;
|
|
|
|
for (i = 0; i < num_pixels; i++)
|
|
{
|
|
if (dev->model->is_cis)
|
|
val =
|
|
first_line[i * 2 + j * 2 * num_pixels + 1] * 256 +
|
|
first_line[i * 2 + j * 2 * num_pixels];
|
|
else
|
|
val =
|
|
first_line[i * 2 * channels + 2 * j + 1] * 256 +
|
|
first_line[i * 2 * channels + 2 * j];
|
|
if (val < 10)
|
|
cmin[j]++;
|
|
if (val > 65525)
|
|
cmax[j]++;
|
|
}
|
|
|
|
/* TODO the DP685 has a black strip in the middle of the sensor
|
|
* should be handled in a more elegant way , could be a bug */
|
|
if (dev->model->ccd_type == CCD_DP685)
|
|
cmin[j] -= 20;
|
|
|
|
if (cmin[j] > num_pixels/100) {
|
|
acceptable = SANE_FALSE;
|
|
if (dev->model->is_cis)
|
|
offl[0] = off[0];
|
|
else
|
|
offl[j] = off[j];
|
|
}
|
|
if (cmax[j] > num_pixels/100) {
|
|
acceptable = SANE_FALSE;
|
|
if (dev->model->is_cis)
|
|
offh[0] = off[0];
|
|
else
|
|
offh[j] = off[j];
|
|
}
|
|
}
|
|
|
|
DBG(DBG_info,"gl841_offset_calibration: black/white pixels: "
|
|
"%d/%d,%d/%d,%d/%d\n",
|
|
cmin[0],cmax[0],cmin[1],cmax[1],cmin[2],cmax[2]);
|
|
|
|
if (dev->model->is_cis) {
|
|
offh[2] = offh[1] = offh[0];
|
|
offl[2] = offl[1] = offl[0];
|
|
}
|
|
|
|
RIEF2 (gl841_stop_action (dev), first_line, second_line);
|
|
|
|
turn++;
|
|
} while (!acceptable && turn < 100);
|
|
|
|
DBG(DBG_info,"gl841_offset_calibration: acceptable offsets: %d,%d,%d\n",
|
|
off[0],off[1],off[2]);
|
|
|
|
|
|
for (j = 0; j < channels; j++)
|
|
{
|
|
off1[j] = off[j];
|
|
|
|
min1[j] = 65536;
|
|
|
|
for (i = 0; i < num_pixels; i++)
|
|
{
|
|
if (dev->model->is_cis)
|
|
val =
|
|
first_line[i * 2 + j * 2 * num_pixels + 1] * 256 +
|
|
first_line[i * 2 + j * 2 * num_pixels];
|
|
else
|
|
val =
|
|
first_line[i * 2 * channels + 2 * j + 1] * 256 +
|
|
first_line[i * 2 * channels + 2 * j];
|
|
if (min1[j] > val && val >= 10)
|
|
min1[j] = val;
|
|
}
|
|
}
|
|
|
|
|
|
offl[0] = off[0];
|
|
offl[1] = off[0];
|
|
offl[2] = off[0];
|
|
turn = 0;
|
|
|
|
do {
|
|
|
|
for (j=0; j < channels; j++) {
|
|
off[j] = (offh[j]+offl[j])/2;
|
|
dev->frontend.offset[j] = off[j];
|
|
}
|
|
|
|
status = gl841_set_fe(dev, AFE_SET);
|
|
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
free (first_line);
|
|
free (second_line);
|
|
DBG (DBG_error,
|
|
"gl841_offset_calibration: failed to setup frontend: %s\n",
|
|
sane_strstatus (status));
|
|
return status;
|
|
}
|
|
|
|
DBG (DBG_info,
|
|
"gl841_offset_calibration: starting second line reading\n");
|
|
RIEF2 (gl841_bulk_write_register
|
|
(dev, dev->calib_reg, GENESYS_GL841_MAX_REGS), first_line, second_line);
|
|
RIEF2 (gl841_begin_scan (dev, dev->calib_reg, SANE_TRUE), first_line, second_line);
|
|
RIEF2 (sanei_genesys_read_data_from_scanner (dev, second_line, total_size), first_line, second_line);
|
|
|
|
if (DBG_LEVEL >= DBG_data) {
|
|
snprintf(fn,20,"offset2_%02d.pnm",turn);
|
|
sanei_genesys_write_pnm_file (fn,
|
|
second_line,
|
|
16,
|
|
channels,
|
|
num_pixels, 1);
|
|
}
|
|
|
|
acceptable = SANE_TRUE;
|
|
|
|
for (j = 0; j < channels; j++)
|
|
{
|
|
cmin[j] = 0;
|
|
cmax[j] = 0;
|
|
|
|
for (i = 0; i < num_pixels; i++)
|
|
{
|
|
if (dev->model->is_cis)
|
|
val =
|
|
second_line[i * 2 + j * 2 * num_pixels + 1] * 256 +
|
|
second_line[i * 2 + j * 2 * num_pixels];
|
|
else
|
|
val =
|
|
second_line[i * 2 * channels + 2 * j + 1] * 256 +
|
|
second_line[i * 2 * channels + 2 * j];
|
|
if (val < 10)
|
|
cmin[j]++;
|
|
if (val > 65525)
|
|
cmax[j]++;
|
|
}
|
|
|
|
if (cmin[j] > num_pixels/100) {
|
|
acceptable = SANE_FALSE;
|
|
if (dev->model->is_cis)
|
|
offl[0] = off[0];
|
|
else
|
|
offl[j] = off[j];
|
|
}
|
|
if (cmax[j] > num_pixels/100) {
|
|
acceptable = SANE_FALSE;
|
|
if (dev->model->is_cis)
|
|
offh[0] = off[0];
|
|
else
|
|
offh[j] = off[j];
|
|
}
|
|
}
|
|
|
|
DBG(DBG_info,"gl841_offset_calibration: black/white pixels: "
|
|
"%d/%d,%d/%d,%d/%d\n",
|
|
cmin[0],cmax[0],cmin[1],cmax[1],cmin[2],cmax[2]);
|
|
|
|
if (dev->model->is_cis) {
|
|
offh[2] = offh[1] = offh[0];
|
|
offl[2] = offl[1] = offl[0];
|
|
}
|
|
|
|
RIEF2 (gl841_stop_action (dev), first_line, second_line);
|
|
|
|
turn++;
|
|
|
|
} while (!acceptable && turn < 100);
|
|
|
|
DBG(DBG_info,"gl841_offset_calibration: acceptable offsets: %d,%d,%d\n",
|
|
off[0],off[1],off[2]);
|
|
|
|
|
|
for (j = 0; j < channels; j++)
|
|
{
|
|
off2[j] = off[j];
|
|
|
|
min2[j] = 65536;
|
|
|
|
for (i = 0; i < num_pixels; i++)
|
|
{
|
|
if (dev->model->is_cis)
|
|
val =
|
|
second_line[i * 2 + j * 2 * num_pixels + 1] * 256 +
|
|
second_line[i * 2 + j * 2 * num_pixels];
|
|
else
|
|
val =
|
|
second_line[i * 2 * channels + 2 * j + 1] * 256 +
|
|
second_line[i * 2 * channels + 2 * j];
|
|
if (min2[j] > val && val != 0)
|
|
min2[j] = val;
|
|
}
|
|
}
|
|
|
|
DBG(DBG_info,"gl841_offset_calibration: first set: %d/%d,%d/%d,%d/%d\n",
|
|
off1[0],min1[0],off1[1],min1[1],off1[2],min1[2]);
|
|
|
|
DBG(DBG_info,"gl841_offset_calibration: second set: %d/%d,%d/%d,%d/%d\n",
|
|
off2[0],min2[0],off2[1],min2[1],off2[2],min2[2]);
|
|
|
|
/*
|
|
calculate offset for each channel
|
|
based on minimal pixel value min1 at offset off1 and minimal pixel value min2
|
|
at offset off2
|
|
|
|
to get min at off, values are linearly interpolated:
|
|
min=real+off*fact
|
|
min1=real+off1*fact
|
|
min2=real+off2*fact
|
|
|
|
fact=(min1-min2)/(off1-off2)
|
|
real=min1-off1*(min1-min2)/(off1-off2)
|
|
|
|
off=(min-min1+off1*(min1-min2)/(off1-off2))/((min1-min2)/(off1-off2))
|
|
|
|
off=(min*(off1-off2)+min1*off2-off1*min2)/(min1-min2)
|
|
|
|
*/
|
|
for (j = 0; j < channels; j++)
|
|
{
|
|
if (min2[j]-min1[j] == 0) {
|
|
/*TODO: try to avoid this*/
|
|
DBG(DBG_warn,"gl841_offset_calibration: difference too small\n");
|
|
if (mintgt * (off1[j] - off2[j]) + min1[j] * off2[j] - min2[j] * off1[j] >= 0)
|
|
off[j] = 0x0000;
|
|
else
|
|
off[j] = 0xffff;
|
|
} else
|
|
off[j] = (mintgt * (off1[j] - off2[j]) + min1[j] * off2[j] - min2[j] * off1[j])/(min1[j]-min2[j]);
|
|
if (off[j] > 255)
|
|
off[j] = 255;
|
|
if (off[j] < 0)
|
|
off[j] = 0;
|
|
dev->frontend.offset[j] = off[j];
|
|
}
|
|
|
|
DBG(DBG_info,"gl841_offset_calibration: final offsets: %d,%d,%d\n",
|
|
off[0],off[1],off[2]);
|
|
|
|
if (dev->model->is_cis) {
|
|
if (off[0] < off[1])
|
|
off[0] = off[1];
|
|
if (off[0] < off[2])
|
|
off[0] = off[2];
|
|
dev->frontend.offset[0] = off[0];
|
|
dev->frontend.offset[1] = off[0];
|
|
dev->frontend.offset[2] = off[0];
|
|
}
|
|
|
|
if (channels == 1)
|
|
{
|
|
dev->frontend.offset[1] = dev->frontend.offset[0];
|
|
dev->frontend.offset[2] = dev->frontend.offset[0];
|
|
}
|
|
|
|
/* cleanup before return */
|
|
free (first_line);
|
|
free (second_line);
|
|
DBG (DBG_proc, "gl841_offset_calibration: completed\n");
|
|
return status;
|
|
}
|
|
|
|
|
|
/* alternative coarse gain calibration
|
|
this on uses the settings from offset_calibration and
|
|
uses only one scanline
|
|
*/
|
|
/*
|
|
with offset and coarse calibration we only want to get our input range into
|
|
a reasonable shape. the fine calibration of the upper and lower bounds will
|
|
be done with shading.
|
|
*/
|
|
GENESYS_STATIC SANE_Status
|
|
gl841_coarse_gain_calibration (Genesys_Device * dev, int dpi)
|
|
{
|
|
int num_pixels;
|
|
int total_size;
|
|
uint8_t *line;
|
|
int i, j, channels;
|
|
SANE_Status status = SANE_STATUS_GOOD;
|
|
int max[3];
|
|
float gain[3];
|
|
int val;
|
|
int lines=1;
|
|
int move;
|
|
|
|
DBG (DBG_proc, "%s: dpi=%d\n", __func__, dpi);
|
|
|
|
/* feed to white strip if needed */
|
|
if (dev->model->y_offset_calib>0)
|
|
{
|
|
move = SANE_UNFIX (dev->model->y_offset_calib);
|
|
move = (move * (dev->motor.base_ydpi)) / MM_PER_INCH;
|
|
DBG (DBG_io, "%s: move=%d lines\n", __func__, move);
|
|
status = gl841_feed(dev, move);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error, "%s: failed to feed: %s\n", __func__,
|
|
sane_strstatus (status));
|
|
return status;
|
|
}
|
|
}
|
|
|
|
/* coarse gain calibration is allways done in color mode */
|
|
channels = 3;
|
|
|
|
status = gl841_init_scan_regs (dev,
|
|
dev->calib_reg,
|
|
dev->settings.xres,
|
|
dev->settings.yres,
|
|
0,
|
|
0,
|
|
(dev->sensor.sensor_pixels*dev->settings.xres) / dev->sensor.optical_res,
|
|
lines,
|
|
16,
|
|
channels,
|
|
dev->settings.color_filter,
|
|
SCAN_FLAG_DISABLE_SHADING |
|
|
SCAN_FLAG_DISABLE_GAMMA |
|
|
SCAN_FLAG_SINGLE_LINE |
|
|
SCAN_FLAG_IGNORE_LINE_DISTANCE |
|
|
SCAN_FLAG_USE_OPTICAL_RES
|
|
);
|
|
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error, "%s: failed to setup scan: %s\n", __func__,
|
|
sane_strstatus (status));
|
|
return status;
|
|
}
|
|
|
|
RIE (gl841_bulk_write_register (dev, dev->calib_reg, GENESYS_GL841_MAX_REGS));
|
|
|
|
num_pixels = dev->current_setup.pixels;
|
|
|
|
total_size = num_pixels * channels * 2 * lines; /* colors * bytes_per_color * scan lines */
|
|
|
|
line = malloc (total_size);
|
|
if (!line)
|
|
return SANE_STATUS_NO_MEM;
|
|
|
|
RIEF (gl841_begin_scan (dev, dev->calib_reg, SANE_TRUE), line);
|
|
RIEF (sanei_genesys_read_data_from_scanner (dev, line, total_size), line);
|
|
|
|
if (DBG_LEVEL >= DBG_data)
|
|
sanei_genesys_write_pnm_file ("coarse.pnm", line, 16, channels, num_pixels, lines);
|
|
|
|
/* average high level for each channel and compute gain
|
|
to reach the target code
|
|
we only use the central half of the CCD data */
|
|
for (j = 0; j < channels; j++)
|
|
{
|
|
max[j] = 0;
|
|
for (i = 0; i < num_pixels; i++)
|
|
{
|
|
if (dev->model->is_cis)
|
|
val =
|
|
line[i * 2 + j * 2 * num_pixels + 1] * 256 +
|
|
line[i * 2 + j * 2 * num_pixels];
|
|
else
|
|
val =
|
|
line[i * 2 * channels + 2 * j + 1] * 256 +
|
|
line[i * 2 * channels + 2 * j];
|
|
|
|
if (val > max[j])
|
|
max[j] = val;
|
|
}
|
|
|
|
gain[j] = 65535.0/max[j];
|
|
|
|
if (dev->model->dac_type == DAC_CANONLIDE35 ||
|
|
dev->model->dac_type == DAC_WOLFSON_XP300 ||
|
|
dev->model->dac_type == DAC_WOLFSON_DSM600)
|
|
{
|
|
gain[j] *= 0.69;/*seems we don't get the real maximum. empirically derived*/
|
|
if (283 - 208/gain[j] > 255)
|
|
dev->frontend.gain[j] = 255;
|
|
else if (283 - 208/gain[j] < 0)
|
|
dev->frontend.gain[j] = 0;
|
|
else
|
|
dev->frontend.gain[j] = 283 - 208/gain[j];
|
|
}
|
|
else if (dev->model->dac_type == DAC_CANONLIDE80)
|
|
{
|
|
dev->frontend.gain[j] = gain[j]*12;
|
|
}
|
|
|
|
DBG (DBG_proc, "%s: channel %d, max=%d, gain = %f, setting:%d\n", __func__,
|
|
j, max[j], gain[j],dev->frontend.gain[j]);
|
|
}
|
|
|
|
for (j = 0; j < channels; j++)
|
|
{
|
|
if(gain[j] > 10)
|
|
{
|
|
DBG (DBG_error0, "**********************************************\n");
|
|
DBG (DBG_error0, "**********************************************\n");
|
|
DBG (DBG_error0, "**** ****\n");
|
|
DBG (DBG_error0, "**** Extremely low Brightness detected. ****\n");
|
|
DBG (DBG_error0, "**** Check the scanning head is ****\n");
|
|
DBG (DBG_error0, "**** unlocked and moving. ****\n");
|
|
DBG (DBG_error0, "**** ****\n");
|
|
DBG (DBG_error0, "**********************************************\n");
|
|
DBG (DBG_error0, "**********************************************\n");
|
|
#ifdef SANE_STATUS_HW_LOCKED
|
|
return SANE_STATUS_HW_LOCKED;
|
|
#else
|
|
return SANE_STATUS_JAMMED;
|
|
#endif
|
|
}
|
|
|
|
}
|
|
|
|
if (dev->model->is_cis) {
|
|
if (dev->frontend.gain[0] > dev->frontend.gain[1])
|
|
dev->frontend.gain[0] = dev->frontend.gain[1];
|
|
if (dev->frontend.gain[0] > dev->frontend.gain[2])
|
|
dev->frontend.gain[0] = dev->frontend.gain[2];
|
|
dev->frontend.gain[2] = dev->frontend.gain[1] = dev->frontend.gain[0];
|
|
}
|
|
|
|
if (channels == 1)
|
|
{
|
|
dev->frontend.gain[0] = dev->frontend.gain[1];
|
|
dev->frontend.gain[2] = dev->frontend.gain[1];
|
|
}
|
|
|
|
free (line);
|
|
DBG (DBG_info, "%s: gain=(%d,%d,%d)\n", __func__,
|
|
dev->frontend.gain[0],
|
|
dev->frontend.gain[1],
|
|
dev->frontend.gain[2]);
|
|
|
|
RIE (gl841_stop_action (dev));
|
|
|
|
gl841_slow_back_home(dev, SANE_TRUE);
|
|
|
|
DBGCOMPLETED;
|
|
return status;
|
|
}
|
|
|
|
/*
|
|
* wait for lamp warmup by scanning the same line until difference
|
|
* between 2 scans is below a threshold
|
|
*/
|
|
static SANE_Status
|
|
gl841_init_regs_for_warmup (Genesys_Device * dev,
|
|
Genesys_Register_Set * local_reg,
|
|
int *channels, int *total_size)
|
|
{
|
|
int num_pixels = (int) (4 * 300);
|
|
SANE_Status status = SANE_STATUS_GOOD;
|
|
|
|
DBG (DBG_proc, "sanei_gl841_warmup_lamp\n");
|
|
|
|
memcpy (local_reg, dev->reg, (GENESYS_GL841_MAX_REGS + 1) * sizeof (Genesys_Register_Set));
|
|
|
|
/* okay.. these should be defaults stored somewhere */
|
|
dev->frontend.gain[0] = 0x00;
|
|
dev->frontend.gain[1] = 0x00;
|
|
dev->frontend.gain[2] = 0x00;
|
|
dev->frontend.offset[0] = 0x80;
|
|
dev->frontend.offset[1] = 0x80;
|
|
dev->frontend.offset[2] = 0x80;
|
|
|
|
status = gl841_init_scan_regs (dev,
|
|
local_reg,
|
|
dev->sensor.optical_res,
|
|
dev->settings.yres,
|
|
dev->sensor.dummy_pixel,
|
|
0,
|
|
num_pixels,
|
|
1,
|
|
16,
|
|
*channels,
|
|
dev->settings.color_filter,
|
|
SCAN_FLAG_DISABLE_SHADING |
|
|
SCAN_FLAG_DISABLE_GAMMA |
|
|
SCAN_FLAG_SINGLE_LINE |
|
|
SCAN_FLAG_IGNORE_LINE_DISTANCE |
|
|
SCAN_FLAG_USE_OPTICAL_RES
|
|
);
|
|
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error,
|
|
"gl841_init_regs_for_warmup: failed to setup scan: %s\n",
|
|
sane_strstatus (status));
|
|
return status;
|
|
}
|
|
|
|
num_pixels = dev->current_setup.pixels;
|
|
|
|
*total_size = num_pixels * 3 * 2 * 1; /* colors * bytes_per_color * scan lines */
|
|
|
|
RIE (gl841_bulk_write_register
|
|
(dev, local_reg, GENESYS_GL841_MAX_REGS));
|
|
|
|
return status;
|
|
}
|
|
|
|
|
|
/*
|
|
* this function moves head without scanning, forward, then backward
|
|
* so that the head goes to park position.
|
|
* as a by-product, also check for lock
|
|
*/
|
|
#ifndef UNIT_TESTING
|
|
static
|
|
#endif
|
|
SANE_Status
|
|
sanei_gl841_repark_head (Genesys_Device * dev)
|
|
{
|
|
SANE_Status status;
|
|
|
|
DBG (DBG_proc, "sanei_gl841_repark_head\n");
|
|
|
|
status = gl841_feed(dev,232);
|
|
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error,
|
|
"gl841_repark_head: failed to feed: %s\n",
|
|
sane_strstatus (status));
|
|
return status;
|
|
}
|
|
|
|
/* toggle motor flag, put an huge step number and redo move backward */
|
|
status = gl841_slow_back_home (dev, SANE_TRUE);
|
|
DBG (DBG_proc, "gl841_park_head: completed\n");
|
|
return status;
|
|
}
|
|
|
|
static SANE_Status
|
|
gl841_is_compatible_calibration (Genesys_Device * dev,
|
|
Genesys_Calibration_Cache *cache,
|
|
int for_overwrite)
|
|
{
|
|
SANE_Status status;
|
|
#ifdef HAVE_SYS_TIME_H
|
|
struct timeval time;
|
|
#endif
|
|
|
|
DBGSTART;
|
|
|
|
/* calibration cache not working yet for this model */
|
|
if (dev->model->ccd_type == CCD_PLUSTEK_3600)
|
|
{
|
|
return SANE_STATUS_UNSUPPORTED;
|
|
}
|
|
|
|
status = gl841_calculate_current_setup (dev);
|
|
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error,
|
|
"gl841_is_compatible_calibration: failed to calculate current setup: %s\n",
|
|
sane_strstatus (status));
|
|
return status;
|
|
}
|
|
|
|
DBG (DBG_proc, "gl841_is_compatible_calibration: checking\n");
|
|
|
|
if (dev->current_setup.half_ccd != cache->used_setup.half_ccd)
|
|
return SANE_STATUS_UNSUPPORTED;
|
|
|
|
/* a cache entry expires after 30 minutes for non sheetfed scanners */
|
|
/* this is not taken into account when overwriting cache entries */
|
|
#ifdef HAVE_SYS_TIME_H
|
|
if(for_overwrite == SANE_FALSE)
|
|
{
|
|
gettimeofday (&time, NULL);
|
|
if ((time.tv_sec - cache->last_calibration > 30 * 60)
|
|
&& (dev->model->is_sheetfed == SANE_FALSE))
|
|
{
|
|
DBG (DBG_proc, "%s: expired entry, non compatible cache\n",__func__);
|
|
return SANE_STATUS_UNSUPPORTED;
|
|
}
|
|
}
|
|
#endif
|
|
|
|
DBGCOMPLETED;
|
|
return SANE_STATUS_GOOD;
|
|
}
|
|
|
|
/*
|
|
* initialize ASIC : registers, motor tables, and gamma tables
|
|
* then ensure scanner's head is at home
|
|
*/
|
|
static SANE_Status
|
|
gl841_init (Genesys_Device * dev)
|
|
{
|
|
SANE_Status status;
|
|
uint8_t val;
|
|
size_t size;
|
|
uint8_t *line;
|
|
int i;
|
|
|
|
DBG_INIT ();
|
|
DBGSTART;
|
|
|
|
dev->scanhead_position_in_steps = 0;
|
|
|
|
/* Check if the device has already been initialized and powered up */
|
|
if (dev->already_initialized)
|
|
{
|
|
RIE (sanei_genesys_get_status (dev, &val));
|
|
if (val & REG41_PWRBIT)
|
|
{
|
|
DBG (DBG_info, "gl841_init: already initialized\n");
|
|
DBGCOMPLETED;
|
|
return SANE_STATUS_GOOD;
|
|
}
|
|
}
|
|
|
|
dev->dark_average_data = NULL;
|
|
dev->white_average_data = NULL;
|
|
|
|
dev->settings.color_filter = 0;
|
|
|
|
/* ASIC reset */
|
|
RIE (sanei_genesys_write_register (dev, 0x0e, 0x01));
|
|
RIE (sanei_genesys_write_register (dev, 0x0e, 0x00));
|
|
|
|
/* Set default values for registers */
|
|
gl841_init_registers (dev);
|
|
|
|
/* Write initial registers */
|
|
RIE (gl841_bulk_write_register (dev, dev->reg, GENESYS_GL841_MAX_REGS));
|
|
|
|
/* Test ASIC and RAM */
|
|
if (!(dev->model->flags & GENESYS_FLAG_LAZY_INIT))
|
|
{
|
|
RIE (sanei_gl841_asic_test (dev));
|
|
}
|
|
|
|
/* Set analog frontend */
|
|
RIE (gl841_set_fe (dev, AFE_INIT));
|
|
|
|
/* Move home */
|
|
RIE (gl841_slow_back_home (dev, SANE_TRUE));
|
|
|
|
/* Init shading data */
|
|
RIE (sanei_genesys_init_shading_data (dev, dev->sensor.sensor_pixels));
|
|
|
|
/* ensure head is correctly parked, and check lock */
|
|
if (dev->model->flags & GENESYS_FLAG_REPARK)
|
|
{
|
|
status = sanei_gl841_repark_head (dev);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
if (status == SANE_STATUS_INVAL)
|
|
DBG (DBG_error0,
|
|
"Your scanner is locked. Please move the lock switch "
|
|
"to the unlocked position\n");
|
|
else
|
|
DBG (DBG_error,
|
|
"gl841_init: sanei_gl841_repark_head failed: %s\n",
|
|
sane_strstatus (status));
|
|
return status;
|
|
}
|
|
}
|
|
|
|
/* initalize sensor gamma tables */
|
|
size = 256;
|
|
|
|
for(i=0;i<3;i++)
|
|
{
|
|
if (dev->sensor.gamma_table[i] == NULL)
|
|
{
|
|
dev->sensor.gamma_table[i] = (uint16_t *) malloc (2 * size);
|
|
if (dev->sensor.gamma_table[i] == NULL)
|
|
{
|
|
DBG (DBG_error,
|
|
"gl841_init: could not allocate memory for gamma table %d\n",i);
|
|
return SANE_STATUS_NO_MEM;
|
|
}
|
|
sanei_genesys_create_gamma_table (dev->sensor.gamma_table[i],
|
|
size,
|
|
65535,
|
|
65535,
|
|
dev->sensor.gamma[i]);
|
|
}
|
|
}
|
|
|
|
/* send gamma tables */
|
|
status = gl841_send_gamma_table (dev);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error,
|
|
"gl841_init: failed to send initial gamma tables: %s\n",
|
|
sane_strstatus (status));
|
|
return status;
|
|
}
|
|
|
|
/* initial calibration reg values */
|
|
memcpy (dev->calib_reg, dev->reg, (GENESYS_GL841_MAX_REGS + 1) * sizeof (Genesys_Register_Set));
|
|
|
|
status = gl841_init_scan_regs (dev,
|
|
dev->calib_reg,
|
|
300,
|
|
300,
|
|
0,
|
|
0,
|
|
(16 * 300) / dev->sensor.optical_res,
|
|
1,
|
|
16,
|
|
3,
|
|
0,
|
|
SCAN_FLAG_DISABLE_SHADING |
|
|
SCAN_FLAG_DISABLE_GAMMA |
|
|
SCAN_FLAG_SINGLE_LINE |
|
|
SCAN_FLAG_IGNORE_LINE_DISTANCE |
|
|
SCAN_FLAG_USE_OPTICAL_RES
|
|
);
|
|
|
|
RIE (gl841_bulk_write_register
|
|
(dev, dev->calib_reg, GENESYS_GL841_MAX_REGS));
|
|
|
|
size = dev->current_setup.pixels * 3 * 2 * 1; /* colors * bytes_per_color * scan lines */
|
|
|
|
line = malloc (size);
|
|
if (!line)
|
|
return SANE_STATUS_NO_MEM;
|
|
|
|
DBG (DBG_info,
|
|
"gl841_init: starting dummy data reading\n");
|
|
RIEF (gl841_begin_scan (dev, dev->calib_reg, SANE_TRUE), line);
|
|
|
|
sanei_usb_set_timeout(1000);/* 1 second*/
|
|
|
|
/*ignore errors. next read will succeed*/
|
|
sanei_genesys_read_data_from_scanner (dev, line, size);
|
|
free(line);
|
|
|
|
sanei_usb_set_timeout(30 * 1000);/* 30 seconds*/
|
|
|
|
RIE (gl841_end_scan (dev, dev->calib_reg, SANE_TRUE));
|
|
|
|
|
|
memcpy (dev->calib_reg, dev->reg, (GENESYS_GL841_MAX_REGS + 1) * sizeof (Genesys_Register_Set));
|
|
|
|
/* Set powersaving (default = 15 minutes) */
|
|
RIE (gl841_set_powersaving (dev, 15));
|
|
dev->already_initialized = SANE_TRUE;
|
|
|
|
DBGCOMPLETED;
|
|
return SANE_STATUS_GOOD;
|
|
}
|
|
|
|
static SANE_Status
|
|
gl841_update_hardware_sensors (Genesys_Scanner * s)
|
|
{
|
|
/* do what is needed to get a new set of events, but try to not lose
|
|
any of them.
|
|
*/
|
|
SANE_Status status = SANE_STATUS_GOOD;
|
|
uint8_t val;
|
|
|
|
if (s->dev->model->gpo_type == GPO_CANONLIDE35
|
|
|| s->dev->model->gpo_type == GPO_CANONLIDE80)
|
|
{
|
|
RIE(sanei_genesys_read_register(s->dev, REG6D, &val));
|
|
|
|
if (s->val[OPT_SCAN_SW].b == s->last_val[OPT_SCAN_SW].b)
|
|
s->val[OPT_SCAN_SW].b = (val & 0x01) == 0;
|
|
if (s->val[OPT_FILE_SW].b == s->last_val[OPT_FILE_SW].b)
|
|
s->val[OPT_FILE_SW].b = (val & 0x02) == 0;
|
|
if (s->val[OPT_EMAIL_SW].b == s->last_val[OPT_EMAIL_SW].b)
|
|
s->val[OPT_EMAIL_SW].b = (val & 0x04) == 0;
|
|
if (s->val[OPT_COPY_SW].b == s->last_val[OPT_COPY_SW].b)
|
|
s->val[OPT_COPY_SW].b = (val & 0x08) == 0;
|
|
}
|
|
|
|
if (s->dev->model->gpo_type == GPO_XP300 ||
|
|
s->dev->model->gpo_type == GPO_DP665 ||
|
|
s->dev->model->gpo_type == GPO_DP685)
|
|
{
|
|
RIE(sanei_genesys_read_register(s->dev, REG6D, &val));
|
|
|
|
if (s->val[OPT_PAGE_LOADED_SW].b == s->last_val[OPT_PAGE_LOADED_SW].b)
|
|
s->val[OPT_PAGE_LOADED_SW].b = (val & 0x01) == 0;
|
|
if (s->val[OPT_SCAN_SW].b == s->last_val[OPT_SCAN_SW].b)
|
|
s->val[OPT_SCAN_SW].b = (val & 0x02) == 0;
|
|
}
|
|
|
|
return status;
|
|
}
|
|
|
|
/** @brief search for a full width black or white strip.
|
|
* This function searches for a black or white stripe across the scanning area.
|
|
* When searching backward, the searched area must completely be of the desired
|
|
* color since this area will be used for calibration which scans forward.
|
|
* @param dev scanner device
|
|
* @param forward SANE_TRUE if searching forward, SANE_FALSE if searching backward
|
|
* @param black SANE_TRUE if searching for a black strip, SANE_FALSE for a white strip
|
|
* @return SANE_STATUS_GOOD if a matching strip is found, SANE_STATUS_UNSUPPORTED if not
|
|
*/
|
|
static SANE_Status
|
|
gl841_search_strip (Genesys_Device * dev, SANE_Bool forward, SANE_Bool black)
|
|
{
|
|
unsigned int pixels, lines, channels;
|
|
SANE_Status status;
|
|
Genesys_Register_Set local_reg[GENESYS_GL841_MAX_REGS + 1];
|
|
size_t size;
|
|
uint8_t *data;
|
|
int steps, depth, dpi;
|
|
unsigned int pass, count, found, x, y, length;
|
|
char title[80];
|
|
Genesys_Register_Set *r;
|
|
uint8_t white_level=90; /**< default white level to detect white dots */
|
|
uint8_t black_level=60; /**< default black level to detect black dots */
|
|
|
|
DBG (DBG_proc, "gl841_search_strip %s %s\n", black ? "black" : "white",
|
|
forward ? "forward" : "reverse");
|
|
|
|
/* use maximum gain when doing forward white strip detection
|
|
* since we don't have calibrated the sensor yet */
|
|
if(!black && forward)
|
|
{
|
|
dev->frontend.gain[0] = 0xff;
|
|
dev->frontend.gain[1] = 0xff;
|
|
dev->frontend.gain[2] = 0xff;
|
|
}
|
|
|
|
gl841_set_fe (dev, AFE_SET);
|
|
status = gl841_stop_action (dev);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error,
|
|
"gl841_search_strip: failed to stop: %s\n",
|
|
sane_strstatus (status));
|
|
return status;
|
|
}
|
|
|
|
/* set up for a gray scan at lowest dpi */
|
|
dpi = 9600;
|
|
for (x = 0; x < MAX_RESOLUTIONS; x++)
|
|
{
|
|
if (dev->model->xdpi_values[x] > 0 && dev->model->xdpi_values[x] < dpi)
|
|
dpi = dev->model->xdpi_values[x];
|
|
}
|
|
channels = 1;
|
|
|
|
/* shading calibation is done with dev->motor.base_ydpi */
|
|
/* lines = (dev->model->shading_lines * dpi) / dev->motor.base_ydpi; */
|
|
lines = (10*dpi)/MM_PER_INCH;
|
|
|
|
depth = 8;
|
|
pixels = (dev->sensor.sensor_pixels * dpi) / dev->sensor.optical_res;
|
|
size = pixels * channels * lines * (depth / 8);
|
|
data = malloc (size);
|
|
if (!data)
|
|
{
|
|
DBG (DBG_error, "gl841_search_strip: failed to allocate memory\n");
|
|
return SANE_STATUS_NO_MEM;
|
|
}
|
|
|
|
/* 20 cm max length for calibration sheet */
|
|
length = ((200 * dpi) / MM_PER_INCH)/lines;
|
|
|
|
dev->scanhead_position_in_steps = 0;
|
|
|
|
memcpy (local_reg, dev->reg,
|
|
(GENESYS_GL841_MAX_REGS + 1) * sizeof (Genesys_Register_Set));
|
|
|
|
status = gl841_init_scan_regs (dev,
|
|
local_reg,
|
|
dpi,
|
|
dpi,
|
|
0,
|
|
0,
|
|
pixels,
|
|
lines,
|
|
depth,
|
|
channels,
|
|
0,
|
|
SCAN_FLAG_DISABLE_SHADING | SCAN_FLAG_DISABLE_GAMMA);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
free(data);
|
|
DBG (DBG_error, "%s: failed to setup for scan: %s\n", __func__,
|
|
sane_strstatus (status));
|
|
return status;
|
|
}
|
|
|
|
/* set up for reverse or forward */
|
|
r = sanei_genesys_get_address (local_reg, 0x02);
|
|
if (forward)
|
|
r->value &= ~4;
|
|
else
|
|
r->value |= 4;
|
|
|
|
|
|
status = gl841_bulk_write_register (dev, local_reg, GENESYS_GL841_MAX_REGS);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
free(data);
|
|
DBG (DBG_error,
|
|
"gl841_search_strip: failed to bulk write registers: %s\n",
|
|
sane_strstatus (status));
|
|
return status;
|
|
}
|
|
|
|
status = gl841_begin_scan (dev, local_reg, SANE_TRUE);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
free (data);
|
|
DBG (DBG_error,
|
|
"gl841_search_strip: failed to begin scan: %s\n",
|
|
sane_strstatus (status));
|
|
return status;
|
|
}
|
|
|
|
/* waits for valid data */
|
|
do
|
|
sanei_genesys_test_buffer_empty (dev, &steps);
|
|
while (steps);
|
|
|
|
/* now we're on target, we can read data */
|
|
status = sanei_genesys_read_data_from_scanner (dev, data, size);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
free (data);
|
|
DBG (DBG_error,
|
|
"gl841_search_start_position: failed to read data: %s\n",
|
|
sane_strstatus (status));
|
|
return status;
|
|
}
|
|
|
|
status = gl841_stop_action (dev);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
free (data);
|
|
DBG (DBG_error, "gl841_search_strip: gl841_stop_action failed\n");
|
|
return status;
|
|
}
|
|
|
|
pass = 0;
|
|
if (DBG_LEVEL >= DBG_data)
|
|
{
|
|
sprintf (title, "search_strip_%s_%s%02u.pnm", black ? "black" : "white",
|
|
forward ? "fwd" : "bwd", pass);
|
|
sanei_genesys_write_pnm_file (title, data, depth, channels, pixels,
|
|
lines);
|
|
}
|
|
|
|
/* loop until strip is found or maximum pass number done */
|
|
found = 0;
|
|
while (pass < length && !found)
|
|
{
|
|
status =
|
|
gl841_bulk_write_register (dev, local_reg, GENESYS_GL841_MAX_REGS);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error,
|
|
"gl841_search_strip: failed to bulk write registers: %s\n",
|
|
sane_strstatus (status));
|
|
return status;
|
|
}
|
|
|
|
/* now start scan */
|
|
status = gl841_begin_scan (dev, local_reg, SANE_TRUE);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
free (data);
|
|
DBG (DBG_error,
|
|
"gl841_search_strip: failed to begin scan: %s\n",
|
|
sane_strstatus (status));
|
|
return status;
|
|
}
|
|
|
|
/* waits for valid data */
|
|
do
|
|
sanei_genesys_test_buffer_empty (dev, &steps);
|
|
while (steps);
|
|
|
|
/* now we're on target, we can read data */
|
|
status = sanei_genesys_read_data_from_scanner (dev, data, size);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
free (data);
|
|
DBG (DBG_error,
|
|
"gl841_search_start_position: failed to read data: %s\n",
|
|
sane_strstatus (status));
|
|
return status;
|
|
}
|
|
|
|
status = gl841_stop_action (dev);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
free (data);
|
|
DBG (DBG_error, "gl841_search_strip: gl841_stop_action failed\n");
|
|
return status;
|
|
}
|
|
|
|
if (DBG_LEVEL >= DBG_data)
|
|
{
|
|
sprintf (title, "search_strip_%s_%s%02u.pnm",
|
|
black ? "black" : "white", forward ? "fwd" : "bwd", pass);
|
|
sanei_genesys_write_pnm_file (title, data, depth, channels, pixels,
|
|
lines);
|
|
}
|
|
|
|
/* search data to find black strip */
|
|
/* when searching forward, we only need one line of the searched color since we
|
|
* will scan forward. But when doing backward search, we need all the area of the
|
|
* same color */
|
|
if (forward)
|
|
{
|
|
for (y = 0; y < lines && !found; y++)
|
|
{
|
|
count = 0;
|
|
/* count of white/black pixels depending on the color searched */
|
|
for (x = 0; x < pixels; x++)
|
|
{
|
|
/* when searching for black, detect white pixels */
|
|
if (black && data[y * pixels + x] > white_level)
|
|
{
|
|
count++;
|
|
}
|
|
/* when searching for white, detect black pixels */
|
|
if (!black && data[y * pixels + x] < black_level)
|
|
{
|
|
count++;
|
|
}
|
|
}
|
|
|
|
/* at end of line, if count >= 3%, line is not fully of the desired color
|
|
* so we must go to next line of the buffer */
|
|
/* count*100/pixels < 3 */
|
|
if ((count * 100) / pixels < 3)
|
|
{
|
|
found = 1;
|
|
DBG (DBG_data,
|
|
"gl841_search_strip: strip found forward during pass %d at line %d\n",
|
|
pass, y);
|
|
}
|
|
else
|
|
{
|
|
DBG (DBG_data,
|
|
"gl841_search_strip: pixels=%d, count=%d (%d%%)\n",
|
|
pixels, count, (100 * count) / pixels);
|
|
}
|
|
}
|
|
}
|
|
else /* since calibration scans are done forward, we need the whole area
|
|
to be of the required color when searching backward */
|
|
{
|
|
count = 0;
|
|
for (y = 0; y < lines; y++)
|
|
{
|
|
/* count of white/black pixels depending on the color searched */
|
|
for (x = 0; x < pixels; x++)
|
|
{
|
|
/* when searching for black, detect white pixels */
|
|
if (black && data[y * pixels + x] > white_level)
|
|
{
|
|
count++;
|
|
}
|
|
/* when searching for white, detect black pixels */
|
|
if (!black && data[y * pixels + x] < black_level)
|
|
{
|
|
count++;
|
|
}
|
|
}
|
|
}
|
|
|
|
/* at end of area, if count >= 3%, area is not fully of the desired color
|
|
* so we must go to next buffer */
|
|
if ((count * 100) / (pixels * lines) < 3)
|
|
{
|
|
found = 1;
|
|
DBG (DBG_data,
|
|
"gl841_search_strip: strip found backward during pass %d \n",
|
|
pass);
|
|
}
|
|
else
|
|
{
|
|
DBG (DBG_data,
|
|
"gl841_search_strip: pixels=%d, count=%d (%d%%)\n", pixels,
|
|
count, (100 * count) / pixels);
|
|
}
|
|
}
|
|
pass++;
|
|
}
|
|
free (data);
|
|
if (found)
|
|
{
|
|
status = SANE_STATUS_GOOD;
|
|
DBG (DBG_info, "gl841_search_strip: %s strip found\n",
|
|
black ? "black" : "white");
|
|
}
|
|
else
|
|
{
|
|
status = SANE_STATUS_UNSUPPORTED;
|
|
DBG (DBG_info, "gl841_search_strip: %s strip not found\n",
|
|
black ? "black" : "white");
|
|
}
|
|
|
|
DBG (DBG_proc, "gl841_search_strip: completed\n");
|
|
return status;
|
|
}
|
|
|
|
/**
|
|
* Send shading calibration data. The buffer is considered to always hold values
|
|
* for all the channels.
|
|
*/
|
|
GENESYS_STATIC
|
|
SANE_Status
|
|
gl841_send_shading_data (Genesys_Device * dev, uint8_t * data, int size)
|
|
{
|
|
SANE_Status status = SANE_STATUS_GOOD;
|
|
uint32_t length, x, factor, pixels, i;
|
|
uint32_t half;
|
|
uint32_t lines, channels;
|
|
uint16_t dpiset, dpihw, strpixel ,endpixel, beginpixel;
|
|
uint8_t *buffer,*ptr,*src;
|
|
|
|
DBGSTART;
|
|
DBG( DBG_io2, "%s: writing %d bytes of shading data\n",__func__,size);
|
|
|
|
/* old method if no SHDAREA */
|
|
if((dev->reg[reg_0x01].value & REG01_SHDAREA) == 0)
|
|
{
|
|
/* start address */
|
|
status = sanei_genesys_set_buffer_address (dev, 0x0000);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error, "%s: failed to set buffer address: %s\n", __func__,
|
|
sane_strstatus (status));
|
|
return status;
|
|
}
|
|
|
|
/* shading data whole line */
|
|
status = dev->model->cmd_set->bulk_write_data (dev, 0x3c, data, size);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error, "%s: failed to send shading table: %s\n", __func__,
|
|
sane_strstatus (status));
|
|
return status;
|
|
}
|
|
DBGCOMPLETED;
|
|
return status;
|
|
}
|
|
|
|
/* data is whole line, we extract only the part for the scanned area */
|
|
length = (uint32_t) (size / 3);
|
|
sanei_genesys_get_double(dev->reg,REG_STRPIXEL,&strpixel);
|
|
sanei_genesys_get_double(dev->reg,REG_ENDPIXEL,&endpixel);
|
|
DBG( DBG_io2, "%s: STRPIXEL=%d, ENDPIXEL=%d, PIXELS=%d\n",__func__,strpixel,endpixel,endpixel-strpixel);
|
|
|
|
/* compute deletion/average factor */
|
|
sanei_genesys_get_double(dev->reg,REG_DPISET,&dpiset);
|
|
dpihw = gl841_get_dpihw(dev);
|
|
half=dev->current_setup.half_ccd+1;
|
|
factor=dpihw/dpiset;
|
|
DBG( DBG_io2, "%s: dpihw=%d, dpiset=%d, half_ccd=%d, factor=%d\n",__func__,dpihw,dpiset,half-1,factor);
|
|
|
|
/* binary data logging */
|
|
if(DBG_LEVEL>=DBG_data)
|
|
{
|
|
dev->binary=fopen("binary.pnm","wb");
|
|
sanei_genesys_get_triple(dev->reg, REG_LINCNT, &lines);
|
|
channels=dev->current_setup.channels;
|
|
if(dev->binary!=NULL)
|
|
{
|
|
fprintf(dev->binary,"P5\n%d %d\n%d\n",(endpixel-strpixel)/factor*channels,lines/channels,255);
|
|
}
|
|
}
|
|
|
|
/* turn pixel value into bytes 2x16 bits words */
|
|
strpixel*=2*2; /* 2 words of 2 bytes */
|
|
endpixel*=2*2;
|
|
pixels=endpixel-strpixel;
|
|
|
|
/* shading pixel begin is start pixel minus start pixel during shading
|
|
* calibration. Currently only cases handled are full and half ccd resolution.
|
|
*/
|
|
beginpixel = dev->sensor.CCD_start_xoffset / half;
|
|
beginpixel += dev->sensor.dummy_pixel + 1;
|
|
DBG(DBG_io2, "%s: ORIGIN PIXEL=%d\n", __func__, beginpixel);
|
|
beginpixel = (strpixel-beginpixel*2*2)/factor;
|
|
DBG(DBG_io2, "%s: BEGIN PIXEL=%d\n",__func__,beginpixel/4);
|
|
|
|
DBG(DBG_io2, "%s: using chunks of %d bytes (%d shading data pixels)\n",__func__,length, length/4);
|
|
buffer=(uint8_t *)malloc(pixels);
|
|
memset(buffer,0,pixels);
|
|
|
|
/* write actual shading data contigously
|
|
* channel by channel, starting at addr 0x0000
|
|
* */
|
|
for(i=0;i<3;i++)
|
|
{
|
|
/* copy data to work buffer and process it */
|
|
/* coefficent destination */
|
|
ptr=buffer;
|
|
|
|
/* iterate on both sensor segment, data has been averaged,
|
|
* so is in the right order and we only have to copy it */
|
|
for(x=0;x<pixels;x+=4)
|
|
{
|
|
/* coefficient source */
|
|
src=data+x+beginpixel+i*length;
|
|
ptr[0]=src[0];
|
|
ptr[1]=src[1];
|
|
ptr[2]=src[2];
|
|
ptr[3]=src[3];
|
|
|
|
/* next shading coefficient */
|
|
ptr+=4;
|
|
}
|
|
|
|
/* 0x5400 alignment for LIDE80 internal memory */
|
|
RIEF(sanei_genesys_set_buffer_address (dev, 0x5400*i), buffer);
|
|
RIEF(dev->model->cmd_set->bulk_write_data (dev, 0x3c, buffer, pixels), buffer);
|
|
}
|
|
|
|
free(buffer);
|
|
DBGCOMPLETED;
|
|
|
|
return status;
|
|
}
|
|
|
|
|
|
/** the gl841 command set */
|
|
static Genesys_Command_Set gl841_cmd_set = {
|
|
"gl841-generic", /* the name of this set */
|
|
|
|
gl841_init,
|
|
gl841_init_regs_for_warmup,
|
|
gl841_init_regs_for_coarse_calibration,
|
|
gl841_init_regs_for_shading,
|
|
gl841_init_regs_for_scan,
|
|
|
|
gl841_get_filter_bit,
|
|
gl841_get_lineart_bit,
|
|
gl841_get_bitset_bit,
|
|
gl841_get_gain4_bit,
|
|
gl841_get_fast_feed_bit,
|
|
gl841_test_buffer_empty_bit,
|
|
gl841_test_motor_flag_bit,
|
|
|
|
gl841_bulk_full_size,
|
|
|
|
gl841_set_fe,
|
|
gl841_set_powersaving,
|
|
gl841_save_power,
|
|
|
|
gl841_set_motor_power,
|
|
gl841_set_lamp_power,
|
|
|
|
gl841_begin_scan,
|
|
gl841_end_scan,
|
|
|
|
gl841_send_gamma_table,
|
|
|
|
gl841_search_start_position,
|
|
|
|
gl841_offset_calibration,
|
|
gl841_coarse_gain_calibration,
|
|
gl841_led_calibration,
|
|
|
|
gl841_slow_back_home,
|
|
NULL,
|
|
|
|
gl841_bulk_write_register,
|
|
gl841_bulk_write_data,
|
|
gl841_bulk_read_data,
|
|
|
|
gl841_update_hardware_sensors,
|
|
|
|
gl841_load_document,
|
|
gl841_detect_document_end,
|
|
gl841_eject_document,
|
|
gl841_search_strip,
|
|
|
|
gl841_is_compatible_calibration,
|
|
NULL,
|
|
gl841_send_shading_data,
|
|
gl841_calculate_current_setup,
|
|
NULL,
|
|
NULL
|
|
};
|
|
|
|
SANE_Status
|
|
sanei_gl841_init_cmd_set (Genesys_Device * dev)
|
|
{
|
|
dev->model->cmd_set = &gl841_cmd_set;
|
|
return SANE_STATUS_GOOD;
|
|
}
|
|
|
|
/* vim: set sw=2 cino=>2se-1sn-1s{s^-1st0(0u0 smarttab expandtab: */
|