2002-08-31 15:49:58 +00:00
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/* sane - Scanner Access Now Easy.
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2002-09-22 17:52:45 +00:00
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Copyright (C) 2002 Frank Zago (fzago at austin dot rr dot com)
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2002-08-31 15:49:58 +00:00
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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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/*
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$Id$
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*/
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/* Commands supported by the scanner. */
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#define SCSI_TEST_UNIT_READY 0x00
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#define SCSI_REQUEST_SENSE 0x03
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#define SCSI_VENDOR_06 0x06
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#define SCSI_VENDOR_09 0x09
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#define SCSI_VENDOR_0C 0x0C
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#define SCSI_VENDOR_0E 0x0E
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#define SCSI_INQUIRY 0x12
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#define SCSI_SCAN 0x1b
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#define SCSI_VENDOR_1C 0x1C
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#define SCSI_SET_WINDOW 0x24
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#define SCSI_SEND_10 0x2a
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#define SCSI_READ_10 0x28
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#define SCSI_OBJECT_POSITION 0x31
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#define SCSI_GET_DATA_BUFFER_STATUS 0x34
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typedef struct
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{
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unsigned char data[16];
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int len;
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}
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CDB;
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/* Set a specific bit depending on a boolean.
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* MKSCSI_BIT(TRUE, 3) will generate 0x08. */
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#define MKSCSI_BIT(bit, pos) ((bit)? 1<<(pos): 0)
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/* Set a value in a range of bits.
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* MKSCSI_I2B(5, 3, 5) will generate 0x28 */
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#define MKSCSI_I2B(bits, pos_b, pos_e) ((bits) << (pos_b) & ((1<<((pos_e)-(pos_b)+1))-1))
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/* Store an integer in 2, 3 or 4 byte in an array. */
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#define Ito16(val, buf) { \
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((unsigned char *)buf)[0] = ((val) >> 8) & 0xff; \
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((unsigned char *)buf)[1] = ((val) >> 0) & 0xff; \
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}
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#define Ito24(val, buf) { \
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((unsigned char *)buf)[0] = ((val) >> 16) & 0xff; \
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((unsigned char *)buf)[1] = ((val) >> 8) & 0xff; \
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((unsigned char *)buf)[2] = ((val) >> 0) & 0xff; \
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}
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#define Ito32(val, buf) { \
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((unsigned char *)buf)[0] = ((val) >> 24) & 0xff; \
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((unsigned char *)buf)[1] = ((val) >> 16) & 0xff; \
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((unsigned char *)buf)[2] = ((val) >> 8) & 0xff; \
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((unsigned char *)buf)[3] = ((val) >> 0) & 0xff; \
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}
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#define MKSCSI_GET_DATA_BUFFER_STATUS(cdb, wait, buflen) \
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cdb.data[0] = SCSI_GET_DATA_BUFFER_STATUS; \
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cdb.data[1] = MKSCSI_BIT(wait, 0); \
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cdb.data[2] = 0; \
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cdb.data[3] = 0; \
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cdb.data[4] = 0; \
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cdb.data[5] = 0; \
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cdb.data[6] = 0; \
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cdb.data[7] = (((buflen) >> 8) & 0xff); \
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cdb.data[8] = (((buflen) >> 0) & 0xff); \
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cdb.data[9] = 0; \
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cdb.len = 10;
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#define MKSCSI_INQUIRY(cdb, buflen) \
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cdb.data[0] = SCSI_INQUIRY; \
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cdb.data[1] = 0; \
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cdb.data[2] = 0; \
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cdb.data[3] = 0; \
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cdb.data[4] = buflen; \
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cdb.data[5] = 0; \
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cdb.len = 6;
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#define MKSCSI_MODE_SELECT(cdb, pf, sp, buflen) \
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cdb.data[0] = SCSI_MODE_SELECT; \
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cdb.data[1] = MKSCSI_BIT(pf, 4) | MKSCSI_BIT(sp, 0); \
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cdb.data[2] = 0; \
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cdb.data[3] = 0; \
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cdb.data[4] = buflen; \
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cdb.data[5] = 0; \
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cdb.len = 6;
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#define MKSCSI_OBJECT_POSITION(cdb, position) \
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cdb.data[0] = SCSI_OBJECT_POSITION; \
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cdb.data[1] = 0; \
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cdb.data[2] = (((position) >> 16) & 0xff); \
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cdb.data[3] = (((position) >> 8) & 0xff); \
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cdb.data[4] = (((position) >> 0) & 0xff); \
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cdb.data[5] = 0; \
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cdb.data[6] = 0; \
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cdb.data[7] = 0; \
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cdb.data[8] = 0; \
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cdb.data[9] = 0; \
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cdb.len = 10;
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#define MKSCSI_SET_WINDOW(cdb, buflen) \
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cdb.data[0] = SCSI_SET_WINDOW; \
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cdb.data[1] = 0; \
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cdb.data[2] = 0; \
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cdb.data[3] = 0; \
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cdb.data[4] = 0; \
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cdb.data[5] = 0; \
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cdb.data[6] = (((buflen) >> 16) & 0xff); \
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cdb.data[7] = (((buflen) >> 8) & 0xff); \
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cdb.data[8] = (((buflen) >> 0) & 0xff); \
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cdb.data[9] = 0; \
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cdb.len = 10;
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#define MKSCSI_READ_10(cdb, dtc, dtq, buflen) \
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cdb.data[0] = SCSI_READ_10; \
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cdb.data[1] = 0; \
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cdb.data[2] = (dtc); \
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cdb.data[3] = 0; \
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cdb.data[4] = (((dtq) >> 8) & 0xff); \
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cdb.data[5] = (((dtq) >> 0) & 0xff); \
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cdb.data[6] = (((buflen) >> 16) & 0xff); \
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cdb.data[7] = (((buflen) >> 8) & 0xff); \
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cdb.data[8] = (((buflen) >> 0) & 0xff); \
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cdb.data[9] = 0; \
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cdb.len = 10;
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#define MKSCSI_REQUEST_SENSE(cdb, buflen) \
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cdb.data[0] = SCSI_REQUEST_SENSE; \
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cdb.data[1] = 0; \
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cdb.data[2] = 0; \
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cdb.data[3] = 0; \
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cdb.data[4] = (buflen); \
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cdb.data[5] = 0; \
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cdb.len = 6;
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#define MKSCSI_SCAN(cdb) \
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cdb.data[0] = SCSI_SCAN; \
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cdb.data[1] = 0; \
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cdb.data[2] = 0; \
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cdb.data[3] = 0; \
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cdb.data[4] = 0; \
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cdb.data[5] = 0; \
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cdb.len = 6;
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#define MKSCSI_SEND_10(cdb, dtc, dtq, buflen) \
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cdb.data[0] = SCSI_SEND_10; \
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cdb.data[1] = 0; \
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cdb.data[2] = (dtc); \
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cdb.data[3] = 0; \
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cdb.data[4] = (((dtq) >> 8) & 0xff); \
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cdb.data[5] = (((dtq) >> 0) & 0xff); \
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cdb.data[6] = (((buflen) >> 16) & 0xff); \
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cdb.data[7] = (((buflen) >> 8) & 0xff); \
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cdb.data[8] = (((buflen) >> 0) & 0xff); \
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cdb.data[9] = 0; \
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cdb.len = 10;
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#define MKSCSI_TEST_UNIT_READY(cdb) \
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cdb.data[0] = SCSI_TEST_UNIT_READY; \
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cdb.data[1] = 0; \
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cdb.data[2] = 0; \
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cdb.data[3] = 0; \
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cdb.data[4] = 0; \
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cdb.data[5] = 0; \
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cdb.len = 6;
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#define MKSCSI_VENDOR_SPEC(cdb, command, length) { \
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assert(length == 6 || length == 10 || length == 12 || length == 16); \
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memset(cdb.data, 0, length); \
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cdb.data[0] = command; \
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cdb.len = length; \
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}
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/*--------------------------------------------------------------------------*/
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static inline int
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getbitfield (unsigned char *pageaddr, int mask, int shift)
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{
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return ((*pageaddr >> shift) & mask);
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}
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/* defines for request sense return block */
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#define get_RS_information_valid(b) getbitfield(b + 0x00, 1, 7)
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#define get_RS_error_code(b) getbitfield(b + 0x00, 0x7f, 0)
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#define get_RS_filemark(b) getbitfield(b + 0x02, 1, 7)
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#define get_RS_EOM(b) getbitfield(b + 0x02, 1, 6)
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#define get_RS_ILI(b) getbitfield(b + 0x02, 1, 5)
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#define get_RS_sense_key(b) getbitfield(b + 0x02, 0x0f, 0)
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#define get_RS_information(b) getnbyte(b+0x03, 4)
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#define get_RS_additional_length(b) b[0x07]
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#define get_RS_ASC(b) b[0x0c]
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#define get_RS_ASCQ(b) b[0x0d]
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#define get_RS_SKSV(b) getbitfield(b+0x0f,1,7)
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/*--------------------------------------------------------------------------*/
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#define MM_PER_INCH 25.4
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#define mmToIlu(mm) (((mm) * dev->def->x_resolution_max) / MM_PER_INCH)
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#define iluToMm(ilu) (((ilu) * MM_PER_INCH) / dev->def->x_resolution_max)
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/*--------------------------------------------------------------------------*/
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#define GAMMA_LENGTH 0x400 /* number of value per color */
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/*--------------------------------------------------------------------------*/
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/* Black magic for color adjustment. Used only for VM3575. */
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struct dpi_color_adjust
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{
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int resolution; /* in dpi. 0 means all resolution supported. */
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#if 0
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int z1_color_0; /* 0, 1 or 2 */
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int z1_color_1; /* idem */
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int z1_color_2; /* idem */
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#endif
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int z3_color_0; /* 0, 1 or 2 */
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int z3_color_1; /* idem */
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int z3_color_2; /* idem */
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int factor_x;
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int color_shift; /* color plane shift in pixel. If a
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* negative shift seems necessary, set
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* factor_x to 1 */
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};
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/*--------------------------------------------------------------------------*/
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enum Teco_Option
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{
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/* Must come first */
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OPT_NUM_OPTS = 0,
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OPT_MODE_GROUP,
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OPT_MODE, /* scanner modes */
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OPT_RESOLUTION, /* X and Y resolution */
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OPT_GEOMETRY_GROUP,
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OPT_TL_X, /* upper left X */
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OPT_TL_Y, /* upper left Y */
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OPT_BR_X, /* bottom right X */
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OPT_BR_Y, /* bottom right Y */
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OPT_ENHANCEMENT_GROUP,
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OPT_CUSTOM_GAMMA, /* Use the custom gamma tables */
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OPT_GAMMA_VECTOR_R, /* Custom Red gamma table */
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OPT_GAMMA_VECTOR_G, /* Custom Green Gamma table */
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OPT_GAMMA_VECTOR_B, /* Custom Blue Gamma table */
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OPT_GAMMA_VECTOR_GRAY, /* Custom Grayscale Gamma table */
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2002-09-20 03:02:20 +00:00
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OPT_DITHER,
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2003-07-19 16:01:47 +00:00
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OPT_FILTER_COLOR, /* which color to filter */
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OPT_THRESHOLD, /* Threshold */
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2004-01-15 17:39:30 +00:00
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OPT_WHITE_LEVEL_R, /* white level correction RED */
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OPT_WHITE_LEVEL_G, /* white level correction GREEN */
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OPT_WHITE_LEVEL_B, /* white level correction BLUE */
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2002-08-31 15:49:58 +00:00
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OPT_PREVIEW,
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/* must come last: */
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OPT_NUM_OPTIONS
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};
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/*--------------------------------------------------------------------------*/
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/*
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* Scanner supported by this backend.
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*/
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struct scanners_supported
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{
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int scsi_type;
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char scsi_teco_name[12]; /* real name of the scanner */
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enum
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{
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2003-07-19 16:01:47 +00:00
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TECO_VM3564,
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2003-04-19 03:50:22 +00:00
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TECO_VM356A,
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2002-08-31 15:49:58 +00:00
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TECO_VM3575,
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TECO_VM6575,
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TECO_VM656A,
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TECO_VM6586
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}
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tecoref;
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char *real_vendor; /* brand on the box */
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char *real_product; /* name on the box */
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SANE_Range res_range;
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int x_resolution_max; /* maximum X dpi */
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int y_resolution_max; /* maximum Y dpi */
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int cal_length; /* size of a calibration line in pixels */
|
|
|
|
int cal_lines; /* number of calibration lines to read */
|
2003-07-19 16:01:47 +00:00
|
|
|
int cal_col_len; /* number of byte to code one color */
|
|
|
|
int cal_algo; /* default algo to use to compute calibration line */
|
2002-08-31 15:49:58 +00:00
|
|
|
|
|
|
|
/* Minimum and maximum width and length supported. */
|
|
|
|
SANE_Range x_range;
|
|
|
|
SANE_Range y_range;
|
|
|
|
|
|
|
|
/* Resolutions supported in color mode. */
|
|
|
|
const struct dpi_color_adjust *color_adjust;
|
|
|
|
};
|
|
|
|
|
|
|
|
/*--------------------------------------------------------------------------*/
|
|
|
|
|
|
|
|
/* Define a scanner occurence. */
|
|
|
|
typedef struct Teco_Scanner
|
|
|
|
{
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|
|
|
struct Teco_Scanner *next;
|
|
|
|
SANE_Device sane;
|
|
|
|
|
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|
|
char *devicename;
|
|
|
|
int sfd; /* device handle */
|
|
|
|
|
|
|
|
/* Infos from inquiry. */
|
|
|
|
char scsi_type;
|
|
|
|
char scsi_vendor[9];
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|
|
|
char scsi_product[17];
|
|
|
|
char scsi_version[5];
|
|
|
|
char scsi_teco_name[12]; /* real name of the scanner */
|
|
|
|
|
|
|
|
/* SCSI handling */
|
|
|
|
size_t buffer_size; /* size of the buffer */
|
|
|
|
SANE_Byte *buffer; /* for SCSI transfer. */
|
|
|
|
|
|
|
|
/* Scanner infos. */
|
|
|
|
const struct scanners_supported *def; /* default options for that scanner */
|
|
|
|
|
|
|
|
SANE_Word *resolutions_list;
|
|
|
|
|
|
|
|
/* Scanning handling. */
|
|
|
|
int scanning; /* TRUE if a scan is running. */
|
|
|
|
int x_resolution; /* X resolution in DPI */
|
|
|
|
int y_resolution; /* Y resolution in DPI */
|
|
|
|
int x_tl; /* X top left */
|
|
|
|
int y_tl; /* Y top left */
|
|
|
|
int x_br; /* X bottom right */
|
|
|
|
int y_br; /* Y bottom right */
|
|
|
|
int width; /* width of the scan area in mm */
|
|
|
|
int length; /* length of the scan area in mm */
|
|
|
|
int depth; /* depth per color */
|
|
|
|
|
|
|
|
enum
|
|
|
|
{
|
|
|
|
TECO_BW,
|
|
|
|
TECO_GRAYSCALE,
|
|
|
|
TECO_COLOR
|
|
|
|
}
|
|
|
|
scan_mode;
|
|
|
|
|
|
|
|
size_t bytes_left; /* number of bytes left to give to the backend */
|
|
|
|
|
|
|
|
size_t real_bytes_left; /* number of bytes left the scanner will return. */
|
|
|
|
|
|
|
|
SANE_Byte *image; /* keep the raw image here */
|
|
|
|
size_t image_size; /* allocated size of image */
|
|
|
|
size_t image_begin; /* first significant byte in image */
|
|
|
|
size_t image_end; /* first free byte in image */
|
|
|
|
|
|
|
|
const struct dpi_color_adjust *color_adjust;
|
|
|
|
|
|
|
|
size_t bytes_per_raster; /* bytes per raster. In B&W and Gray,
|
|
|
|
that the same as
|
|
|
|
param.bytes_per_lines. In Color,
|
|
|
|
it's a third.
|
|
|
|
*/
|
|
|
|
|
|
|
|
int raster_size; /* size of a raster */
|
|
|
|
int raster_num; /* for color scan, current raster read */
|
|
|
|
int raster_real; /* real number of raster in the
|
|
|
|
* scan. This is necessary since I
|
|
|
|
* don't know how to reliably compute
|
|
|
|
* the number of lines */
|
|
|
|
int raster_ahead; /* max size of the incomplete lines */
|
|
|
|
int line; /* current line of the scan */
|
|
|
|
|
|
|
|
SANE_Parameters params;
|
|
|
|
|
|
|
|
/* Options */
|
|
|
|
SANE_Option_Descriptor opt[OPT_NUM_OPTIONS];
|
|
|
|
Option_Value val[OPT_NUM_OPTIONS];
|
|
|
|
|
|
|
|
/* Gamma table. 1 array per color. */
|
|
|
|
SANE_Word gamma_GRAY[GAMMA_LENGTH];
|
|
|
|
SANE_Word gamma_R[GAMMA_LENGTH];
|
|
|
|
SANE_Word gamma_G[GAMMA_LENGTH];
|
|
|
|
SANE_Word gamma_B[GAMMA_LENGTH];
|
|
|
|
}
|
|
|
|
Teco_Scanner;
|
|
|
|
|
|
|
|
/*--------------------------------------------------------------------------*/
|
|
|
|
|
|
|
|
/* Debug levels.
|
|
|
|
* Should be common to all backends. */
|
|
|
|
|
|
|
|
#define DBG_error0 0
|
|
|
|
#define DBG_error 1
|
|
|
|
#define DBG_sense 2
|
|
|
|
#define DBG_warning 3
|
|
|
|
#define DBG_inquiry 4
|
|
|
|
#define DBG_info 5
|
|
|
|
#define DBG_info2 6
|
|
|
|
#define DBG_proc 7
|
|
|
|
#define DBG_read 8
|
|
|
|
#define DBG_sane_init 10
|
|
|
|
#define DBG_sane_proc 11
|
|
|
|
#define DBG_sane_info 12
|
|
|
|
#define DBG_sane_option 13
|
|
|
|
|
|
|
|
/*--------------------------------------------------------------------------*/
|
|
|
|
|
|
|
|
/* 32 bits from an array to an integer (eg ntohl). */
|
|
|
|
#define B32TOI(buf) \
|
|
|
|
((((unsigned char *)buf)[0] << 24) | \
|
|
|
|
(((unsigned char *)buf)[1] << 16) | \
|
|
|
|
(((unsigned char *)buf)[2] << 8) | \
|
|
|
|
(((unsigned char *)buf)[3] << 0))
|
|
|
|
|
|
|
|
#define B16TOI(buf) \
|
|
|
|
((((unsigned char *)buf)[0] << 8) | \
|
|
|
|
(((unsigned char *)buf)[1] << 0))
|