658 lines
17 KiB
C
658 lines
17 KiB
C
/*
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* Canon SELPHY ES/CP series print assister -- libusb-1.0 version
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*
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* (c) 2007-2013 Solomon Peachy <pizza@shaftnet.org>
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*
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* The latest version of this program can be found at:
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*
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* http://git.shaftnet.org/git/gitweb.cgi?p=selphy_print.git
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the Free
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* Software Foundation; either version 3 of the License, or (at your option)
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* any later version.
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*
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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 MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*
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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, MA 02111-1307, USA.
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*
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* [http://www.gnu.org/licenses/gpl-3.0.html]
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*
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <libusb-1.0/libusb.h>
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#include "selphy_print_common.h"
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#define STR_LEN_MAX 64
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#define URI_PREFIX "selphy://"
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/* USB Identifiers */
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#define USB_VID_CANON 0x04a9
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#define USB_PID_CANON_ES1 0x3141
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#define USB_PID_CANON_ES2 0x3185
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#define USB_PID_CANON_ES20 0x3186
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#define USB_PID_CANON_ES3 0x31AF
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#define USB_PID_CANON_ES30 0x31B0
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#define USB_PID_CANON_ES40 0x31EE
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#define USB_PID_CANON_CP10 0x304A
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#define USB_PID_CANON_CP100 0x3063
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#define USB_PID_CANON_CP200 0x307C
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#define USB_PID_CANON_CP220 0x30BD
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#define USB_PID_CANON_CP300 0x307D
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#define USB_PID_CANON_CP330 0x30BE
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#define USB_PID_CANON_CP400 0x30F6
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#define USB_PID_CANON_CP500 0x30F5
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#define USB_PID_CANON_CP510 0x3128
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#define USB_PID_CANON_CP520 520 // XXX 316f? 3172? (related to cp740/cp750)
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#define USB_PID_CANON_CP530 530 // XXX
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#define USB_PID_CANON_CP600 0x310B
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#define USB_PID_CANON_CP710 0x3127
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#define USB_PID_CANON_CP720 0x3143
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#define USB_PID_CANON_CP730 0x3142
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#define USB_PID_CANON_CP740 0x3171
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#define USB_PID_CANON_CP750 0x3170
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#define USB_PID_CANON_CP760 0x31AB
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#define USB_PID_CANON_CP770 0x31AA
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#define USB_PID_CANON_CP780 0x31DD
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#define USB_PID_CANON_CP790 790 // XXX
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#define USB_PID_CANON_CP800 0x3214
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#define USB_PID_CANON_CP810 0x3256
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#define USB_PID_CANON_CP900 0x3255
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static int fancy_memcmp(const uint8_t *buf_a, const int16_t *buf_b, uint len, int16_t papercode_offset, int16_t papercode_val)
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{
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int i;
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for (i = 0 ; i < len ; i++) {
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if (papercode_offset != -1 && i == papercode_offset) {
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if (papercode_val == -1)
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continue;
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else if (buf_a[i] != papercode_val)
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return INCORRECT_PAPER;
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} else if (buf_b[i] == -1)
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continue;
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else if (buf_a[i] > buf_b[i])
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return 1;
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else if (buf_a[i] < buf_b[i])
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return -1;
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}
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return 0;
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}
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static int parse_printjob(uint8_t *buffer, int *bw_mode, int *plane_len)
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{
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int printer_type = -1;
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if (buffer[0] != 0x40 &&
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buffer[1] != 0x00) {
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goto done;
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}
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if (buffer[12] == 0x40 &&
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buffer[13] == 0x01) {
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*plane_len = *(uint32_t*)(&buffer[16]);
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*plane_len = le32_to_cpu(*plane_len);
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if (buffer[2] == 0x00) {
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if (*plane_len == 688480)
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printer_type = P_CP10;
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else
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printer_type = P_CP_XXX;
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} else {
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printer_type = P_ES1;
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*bw_mode = (buffer[2] == 0x20);
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}
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goto done;
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}
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*plane_len = *(uint32_t*)(&buffer[12]);
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*plane_len = le32_to_cpu(*plane_len);
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if (buffer[16] == 0x40 &&
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buffer[17] == 0x01) {
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if (buffer[4] == 0x02) {
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printer_type = P_ES2_20;
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*bw_mode = (buffer[7] == 0x01);
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goto done;
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}
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if (es40_cp790_plane_lengths[buffer[2]] == *plane_len) {
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printer_type = P_ES40_CP790;
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*bw_mode = (buffer[3] == 0x01);
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goto done;
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} else {
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printer_type = P_ES3_30;
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*bw_mode = (buffer[3] == 0x01);
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goto done;
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}
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}
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return -1;
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done:
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return printer_type;
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}
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static int dump_data_libusb(int remaining, int present, int data_fd,
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struct libusb_device_handle *dev,
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uint8_t endpoint,
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uint8_t *buf, uint16_t buflen) {
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int cnt;
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int i;
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int wrote = 0;
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int num;
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while (remaining > 0) {
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cnt = read(data_fd, buf + present, (remaining < (buflen-present)) ? remaining : (buflen-present));
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if (cnt < 0)
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return -1;
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if (present) {
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cnt += present;
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present = 0;
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}
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i = libusb_bulk_transfer(dev, endpoint,
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buf,
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cnt,
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&num,
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2000);
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if (i < 0) {
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ERROR("libusb error %d: (%d/%d to 0x%02x)\n", i, num, cnt, endpoint);
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return -1;
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}
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if (num != cnt) {
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/* Realign buffer.. */
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present = cnt - num;
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memmove(buf, buf + num, present);
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}
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wrote += num;
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remaining -= num;
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}
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DEBUG("Wrote %d bytes\n", wrote);
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return wrote;
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}
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static int find_and_enumerate(struct libusb_context *ctx,
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struct libusb_device ***list,
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char *match_serno,
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int printer_type,
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int scan_only)
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{
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int num;
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int i;
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int found = -1;
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struct libusb_device_handle *dev;
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/* Enumerate and find suitable device */
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num = libusb_get_device_list(ctx, list);
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for (i = 0 ; i < num ; i++) {
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struct libusb_device_descriptor desc;
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unsigned char product[STR_LEN_MAX] = "";
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unsigned char serial[STR_LEN_MAX] = "";
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unsigned char manuf[STR_LEN_MAX] = "";
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int valid = 0;
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libusb_get_device_descriptor((*list)[i], &desc);
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if (desc.idVendor != USB_VID_CANON)
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continue;
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switch(desc.idProduct) {
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case USB_PID_CANON_ES1: // "Canon SELPHY ES1"
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if (printer_type == P_ES1)
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found = i;
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valid = 1;
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break;
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case USB_PID_CANON_ES2: // "Canon SELPHY ES2"
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case USB_PID_CANON_ES20: // "Canon SELPHY ES20"
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if (printer_type == P_ES2_20)
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found = i;
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valid = 1;
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break;
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case USB_PID_CANON_ES3: // "Canon SELPHY ES3"
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case USB_PID_CANON_ES30: // "Canon SELPHY ES30"
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if (printer_type == P_ES3_30)
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found = i;
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valid = 1;
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break;
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case USB_PID_CANON_ES40: // "Canon SELPHY ES40"
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case USB_PID_CANON_CP790:
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if (printer_type == P_ES40_CP790)
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found = i;
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valid = 1;
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break;
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case USB_PID_CANON_CP10: // "Canon CP-10"
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if (printer_type == P_CP10)
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found = i;
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valid = 1;
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break;
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case USB_PID_CANON_CP100: // "Canon CP-100"
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case USB_PID_CANON_CP200: // "Canon CP-200"
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case USB_PID_CANON_CP220: // "Canon CP-220"
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case USB_PID_CANON_CP300: // "Canon CP-300"
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case USB_PID_CANON_CP330: // "Canon CP-330"
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case USB_PID_CANON_CP400: // "Canon SELPHY CP400"
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case USB_PID_CANON_CP500: // "Canon SELPHY CP500"
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case USB_PID_CANON_CP510: // "Canon SELPHY CP510"
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case USB_PID_CANON_CP520: // "Canon SELPHY CP520"
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case USB_PID_CANON_CP530: // "Canon SELPHY CP530"
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case USB_PID_CANON_CP600: // "Canon SELPHY CP600"
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case USB_PID_CANON_CP710: // "Canon SELPHY CP710"
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case USB_PID_CANON_CP720: // "Canon SELPHY CP720"
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case USB_PID_CANON_CP730: // "Canon SELPHY CP730"
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case USB_PID_CANON_CP740: // "Canon SELPHY CP740"
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case USB_PID_CANON_CP750: // "Canon SELPHY CP750"
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case USB_PID_CANON_CP760: // "Canon SELPHY CP760"
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case USB_PID_CANON_CP770: // "Canon SELPHY CP770"
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case USB_PID_CANON_CP780: // "Canon SELPHY CP780"
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case USB_PID_CANON_CP800: // "Canon SELPHY CP800"
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case USB_PID_CANON_CP810: // "Canon SELPHY CP810"
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case USB_PID_CANON_CP900: // "Canon SELPHY CP900"
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if (printer_type == P_CP_XXX)
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found = i;
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valid = 1;
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break;
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default:
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/* Hook for testing unknown PIDs */
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if (getenv("SELPHY_PID") && getenv("SELPHY_TYPE")) {
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int pid = strtol(getenv("SELPHY_PID"), NULL, 16);
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int type = atoi(getenv("SELPHY_TYPE"));
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if (pid == desc.idProduct) {
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valid = 1;
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if (printer_type == type) {
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found = i;
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}
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}
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}
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break;
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}
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if (libusb_open(((*list)[i]), &dev)) {
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ERROR("Could not open device %04x:%04x\n", desc.idVendor, desc.idProduct);
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found = -1;
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continue;
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}
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/* Query detailed info */
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if (desc.iManufacturer) {
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libusb_get_string_descriptor_ascii(dev, desc.iManufacturer, manuf, STR_LEN_MAX);
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}
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if (desc.iProduct) {
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libusb_get_string_descriptor_ascii(dev, desc.iProduct, product, STR_LEN_MAX);
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}
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if (desc.iSerialNumber) {
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libusb_get_string_descriptor_ascii(dev, desc.iSerialNumber, serial, STR_LEN_MAX);
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}
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if (!strlen(serial))
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strcpy(serial, "NONE");
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DEBUG("%s%sPID: %04X Product: '%s' Serial: '%s'\n",
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(!valid) ? "UNRECOGNIZED: " : "",
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(found == i) ? "MATCH: " : "",
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desc.idProduct, product, serial);
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if (valid && scan_only) {
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/* URL-ify model. */
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char buf[128]; // XXX ugly..
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i = 0;
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while (*(product + i + strlen("Canon"))) {
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buf[i] = *(product + i + strlen("Canon "));
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if(buf[i] == ' ') {
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buf[i++] = '%';
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buf[i++] = '2';
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buf[i] = '0';
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}
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i++;
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}
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fprintf(stdout, "direct %sCanon/%s?serial=%s \"%s\" \"%s\" \"MFG:Canon;CMD:SelphyRaster;CLS:PRINTER;MDL:%s;DES:%s;SN:%s\" \"\"\n", URI_PREFIX,
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buf, serial, product, product,
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product + strlen("Canon "), product, serial);
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}
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/* If a serial number was passed down, use it. */
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if (found && match_serno &&
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strcmp(match_serno, (char*)serial)) {
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found = -1;
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}
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libusb_close(dev);
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}
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return found;
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}
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int main (int argc, char **argv)
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{
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struct libusb_context *ctx;
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struct libusb_device **list;
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struct libusb_device_handle *dev;
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struct libusb_config_descriptor *config;
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uint8_t endp_up = 0;
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uint8_t endp_down = 0;
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int printer_type = P_END;
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int iface = 0;
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int num, i;
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int ret = 0;
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int claimed;
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int found = -1;
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uint8_t rdbuf[READBACK_LEN], rdbuf2[READBACK_LEN];
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int last_state = -1, state = S_IDLE;
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int plane_len = 0;
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int bw_mode = 0;
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int16_t paper_code_offset = -1;
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int16_t paper_code = -1;
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uint8_t buffer[BUF_LEN];
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int data_fd = fileno(stdin);
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char *uri = getenv("DEVICE_URI");;
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char *use_serno = NULL;
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/* Static initialization */
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setup_paper_codes();
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/* Cmdline help */
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if (argc < 2) {
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DEBUG("SELPHY ES/CP Print Assist version %s\nUsage:\n\t%s [ infile | - ]\n\t%s job user title num-copies options [ filename ] \n\n",
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VERSION,
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argv[0], argv[0]);
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libusb_init(&ctx);
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find_and_enumerate(ctx, &list, NULL, printer_type, 1);
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libusb_free_device_list(list, 1);
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libusb_exit(ctx);
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exit(1);
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}
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/* Are we running as a CUPS backend? */
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if (uri) {
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if (argv[6]) { /* IOW, is it specified? */
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data_fd = open(argv[6], O_RDONLY);
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if (data_fd < 0) {
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perror("ERROR:Can't open input file");
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exit(1);
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}
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}
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/* Start parsing URI 'selphy://PID/SERIAL' */
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if (strncmp(URI_PREFIX, uri, strlen(URI_PREFIX))) {
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ERROR("Invalid URI prefix (%s)\n", uri);
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exit(1);
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}
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use_serno = strchr(uri, '=');
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if (!use_serno || !*(use_serno+1)) {
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ERROR("Invalid URI (%s)\n", uri);
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exit(1);
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}
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use_serno++;
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} else {
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/* Open Input File */
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if (strcmp("-", argv[1])) {
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data_fd = open(argv[1], O_RDONLY);
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if (data_fd < 0) {
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perror("ERROR:Can't open input file");
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exit(1);
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}
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}
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}
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/* Figure out printer this file is intended for */
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read(data_fd, buffer, MAX_HEADER);
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printer_type = parse_printjob(buffer, &bw_mode, &plane_len);
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if (printer_type < 0) {
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ERROR("Unrecognized printjob file format!\n");
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exit(1);
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}
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DEBUG("%sFile intended for a '%s' printer\n", bw_mode? "B/W " : "", printers[printer_type].model);
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/* Libusb setup */
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libusb_init(&ctx);
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found = find_and_enumerate(ctx, &list, use_serno, printer_type, 0);
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/* Compute offsets and other such things */
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plane_len += 12; /* Plane header length */
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paper_code_offset = printers[printer_type].paper_code_offset;
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if (printers[printer_type].pgcode_offset != -1)
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paper_code = printers[printer_type].paper_codes[buffer[printers[printer_type].pgcode_offset]];
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if (found == -1) {
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ERROR("No suitable printers found!\n");
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ret = 3;
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goto done;
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}
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ret = libusb_open(list[found], &dev);
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if (ret) {
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ERROR("Could not open device (Need to be root?) (%d)\n", ret);
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ret = 4;
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goto done;
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}
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claimed = libusb_kernel_driver_active(dev, iface);
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if (claimed) {
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ret = libusb_detach_kernel_driver(dev, iface);
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if (ret) {
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ERROR("Could not detach printer from kernel (%d)\n", ret);
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ret = 4;
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goto done_close;
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}
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}
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ret = libusb_claim_interface(dev, iface);
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if (ret) {
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ERROR("Could not claim printer interface (%d)\n", ret);
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ret = 4;
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goto done_close;
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}
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ret = libusb_get_active_config_descriptor(list[found], &config);
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if (ret) {
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ERROR("Could not fetch config descriptor (%d)\n", ret);
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ret = 4;
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goto done_close;
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}
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for (i = 0 ; i < config->interface[0].altsetting[0].bNumEndpoints ; i++) {
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if ((config->interface[0].altsetting[0].endpoint[i].bmAttributes & 3) == LIBUSB_TRANSFER_TYPE_BULK) {
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if (config->interface[0].altsetting[0].endpoint[i].bEndpointAddress & LIBUSB_ENDPOINT_IN)
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endp_up = config->interface[0].altsetting[0].endpoint[i].bEndpointAddress;
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|
else
|
|
endp_down = config->interface[0].altsetting[0].endpoint[i].bEndpointAddress;
|
|
}
|
|
}
|
|
|
|
/* Read in the printer status */
|
|
ret = libusb_bulk_transfer(dev, endp_up,
|
|
rdbuf,
|
|
READBACK_LEN,
|
|
&num,
|
|
2000);
|
|
top:
|
|
|
|
/* Do it twice to clear initial state */
|
|
ret = libusb_bulk_transfer(dev, endp_up,
|
|
rdbuf,
|
|
READBACK_LEN,
|
|
&num,
|
|
2000);
|
|
|
|
if (ret < 0) {
|
|
ERROR("libusb error %d: (%d/%d from 0x%02x)\n", ret, num, READBACK_LEN, endp_up);
|
|
ret = 4;
|
|
goto done_claimed;
|
|
}
|
|
|
|
if (memcmp(rdbuf, rdbuf2, READBACK_LEN)) {
|
|
DEBUG("readback: %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x\n",
|
|
rdbuf[0], rdbuf[1], rdbuf[2], rdbuf[3],
|
|
rdbuf[4], rdbuf[5], rdbuf[6], rdbuf[7],
|
|
rdbuf[8], rdbuf[9], rdbuf[10], rdbuf[11]);
|
|
memcpy(rdbuf2, rdbuf, READBACK_LEN);
|
|
} else {
|
|
sleep(1);
|
|
}
|
|
if (state != last_state) {
|
|
DEBUG("last_state %d new %d\n", last_state, state);
|
|
last_state = state;
|
|
}
|
|
fflush(stderr);
|
|
|
|
/* Error detection */
|
|
if (printers[printer_type].error_offset != -1 &&
|
|
rdbuf[printers[printer_type].error_offset]) {
|
|
ERROR("error condition %02x; aborting. (Out of ribbon/paper?)\n", rdbuf[printers[printer_type].error_offset]);
|
|
ret = 4;
|
|
goto done_claimed;
|
|
}
|
|
|
|
switch(state) {
|
|
case S_IDLE:
|
|
if (!fancy_memcmp(rdbuf, printers[printer_type].init_readback, READBACK_LEN, paper_code_offset, paper_code)) {
|
|
state = S_PRINTER_READY;
|
|
}
|
|
break;
|
|
case S_PRINTER_READY:
|
|
DEBUG("Sending init sequence (%d bytes)\n", printers[printer_type].init_length);
|
|
|
|
/* Send printer init */
|
|
ret = libusb_bulk_transfer(dev, endp_down,
|
|
buffer,
|
|
printers[printer_type].init_length,
|
|
&num,
|
|
2000);
|
|
if (ret < 0) {
|
|
ERROR("libusb error %d: (%d/%d to 0x%02x)\n", ret, num, printers[printer_type].init_length, endp_down);
|
|
ret = 4;
|
|
goto done_claimed;
|
|
}
|
|
|
|
/* Realign plane data to start of buffer.. */
|
|
memmove(buffer, buffer+printers[printer_type].init_length,
|
|
MAX_HEADER-printers[printer_type].init_length);
|
|
|
|
state = S_PRINTER_INIT_SENT;
|
|
break;
|
|
case S_PRINTER_INIT_SENT:
|
|
if (!fancy_memcmp(rdbuf, printers[printer_type].ready_y_readback, READBACK_LEN, paper_code_offset, paper_code)) {
|
|
state = S_PRINTER_READY_Y;
|
|
}
|
|
break;
|
|
case S_PRINTER_READY_Y:
|
|
if (bw_mode)
|
|
DEBUG("Sending BLACK plane\n");
|
|
else
|
|
DEBUG("Sending YELLOW plane\n");
|
|
ret = dump_data_libusb(plane_len, MAX_HEADER-printers[printer_type].init_length, data_fd, dev, endp_down, buffer, BUF_LEN);
|
|
if (ret < 0) {
|
|
ret = 4;
|
|
goto done_claimed;
|
|
}
|
|
state = S_PRINTER_Y_SENT;
|
|
break;
|
|
case S_PRINTER_Y_SENT:
|
|
if (!fancy_memcmp(rdbuf, printers[printer_type].ready_m_readback, READBACK_LEN, paper_code_offset, paper_code)) {
|
|
if (bw_mode)
|
|
state = S_PRINTER_DONE;
|
|
else
|
|
state = S_PRINTER_READY_M;
|
|
}
|
|
break;
|
|
case S_PRINTER_READY_M:
|
|
DEBUG("Sending MAGENTA plane\n");
|
|
ret = dump_data_libusb(plane_len, 0, data_fd, dev, endp_down, buffer, BUF_LEN);
|
|
if (ret < 0) {
|
|
ret = 4;
|
|
goto done_claimed;
|
|
}
|
|
state = S_PRINTER_M_SENT;
|
|
break;
|
|
case S_PRINTER_M_SENT:
|
|
if (!fancy_memcmp(rdbuf, printers[printer_type].ready_c_readback, READBACK_LEN, paper_code_offset, paper_code)) {
|
|
state = S_PRINTER_READY_C;
|
|
}
|
|
break;
|
|
case S_PRINTER_READY_C:
|
|
DEBUG("Sending CYAN plane\n");
|
|
ret = dump_data_libusb(plane_len, 0, data_fd, dev, endp_down, buffer, BUF_LEN);
|
|
if (ret < 0) {
|
|
ret = 4;
|
|
goto done_claimed;
|
|
}
|
|
state = S_PRINTER_C_SENT;
|
|
break;
|
|
case S_PRINTER_C_SENT:
|
|
if (!fancy_memcmp(rdbuf, printers[printer_type].done_c_readback, READBACK_LEN, paper_code_offset, paper_code)) {
|
|
state = S_PRINTER_DONE;
|
|
}
|
|
break;
|
|
case S_PRINTER_DONE:
|
|
if (printers[printer_type].foot_length) {
|
|
DEBUG("Sending cleanup sequence\n");
|
|
ret = dump_data_libusb(printers[printer_type].foot_length, 0, data_fd, dev, endp_down, buffer, BUF_LEN);
|
|
if (ret < 0) {
|
|
ret = 4;
|
|
goto done_claimed;
|
|
}
|
|
}
|
|
state = S_FINISHED;
|
|
/* Intentional Fallthrough */
|
|
case S_FINISHED:
|
|
DEBUG("All data sent to printer!\n");
|
|
break;
|
|
}
|
|
if (state != S_FINISHED)
|
|
goto top;
|
|
|
|
/* Done printing */
|
|
|
|
done_claimed:
|
|
libusb_release_interface(dev, iface);
|
|
|
|
done_close:
|
|
if (claimed)
|
|
libusb_attach_kernel_driver(dev, iface);
|
|
|
|
libusb_close(dev);
|
|
|
|
done:
|
|
libusb_free_device_list(list, 1);
|
|
libusb_exit(ctx);
|
|
|
|
close(data_fd);
|
|
|
|
return ret;
|
|
}
|