2012-10-26 22:06:47 -04:00
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/*
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* Canon SELPHY ES series print assister
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*
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* (c) 2007-2012 Solomon Peachy <pizza@shaftnet.org>
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*
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* The SELPHY ES-series printers from Canon requires intelligent buffering
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* of the raw spool data in order to keep the printer from locking up.
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*
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* Known supported printers:
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*
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* SELPHY ES1, SELPHY ES2, SELPHY ES30
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*
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* Supported but untested:
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*
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* SELPHY ES20, SELPHY ES3
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* SELPHY CP-760 and all other CP-series printers EXCEPT for CP-790
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*
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* NOT currently supported:
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*
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* SELPHY ES40, CP-790
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* (They use different stream formats, and may have different readbacks;
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* I will update this as needed and as I get hardware to test..)
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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://www.shaftnet.org/users/pizza/es_print_assist.c
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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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2012-10-26 23:21:33 -04:00
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// Compile with gcc -o es_print es_print_libusb.c -lusb-1.0 -Wall
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2012-10-26 22:06:47 -04:00
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#define VERSION "0.20"
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#include <stdio.h>
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#include <stdlib.h>
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2012-10-26 23:21:33 -04:00
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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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2012-10-26 22:06:47 -04:00
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#include <libusb-1.0/libusb.h>
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2012-10-26 23:21:33 -04:00
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#include "es_print_common.h"
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2012-10-26 22:06:47 -04:00
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/* USB Identifiers */
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2012-10-27 08:32:37 -04:00
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#define USB_VID_CANON 0x04a9
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#define USB_PID_CANON_ES1 0x3141
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2012-10-26 23:21:33 -04:00
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#define USB_PID_CANON_ES2 0x3185
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2012-10-27 08:32:37 -04:00
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#define USB_PID_CANON_ES20 1 // XXX
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#define USB_PID_CANON_ES3 2 // XXX
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#define USB_PID_CANON_ES30 0x31B0
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#define USB_PID_CANON_ES40 4 // XXX
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#define USB_PID_CANON_CP790 5 // XXX
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#define USB_PID_CANON_CP_XXX 6 // XXX
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2012-10-26 23:21:33 -04:00
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2012-10-27 08:32:37 -04:00
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#define ENDPOINT_UP 0x81
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#define ENDPOINT_DOWN 0x02
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2012-10-26 23:21:33 -04:00
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#define BUF_LEN 4096
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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 *buf, uint16_t buflen) {
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int cnt;
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int i;
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int wrote;
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int num;
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while (remaining) {
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cnt = read(data_fd, buf + present, (remaining < (buflen-present)) ? remaining : (buflen-present));
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if (present)
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present = 0;
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if (cnt < 0)
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return -1;
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i = libusb_bulk_transfer(dev, ENDPOINT_DOWN,
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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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fprintf(stderr, "libusb error(%d)\n", i);
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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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fprintf(stderr, "Wrote %d bytes (%d)\n", wrote, buflen);
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return wrote;
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}
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2012-10-26 22:06:47 -04:00
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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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int printer_type = P_END;
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int num, i;
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int ret = 0;
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int claimed;
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2012-10-26 23:21:33 -04:00
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uint8_t rdbuf[RDBUF_LEN], rdbuf2[RDBUF_LEN];
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2012-10-27 08:32:37 -04:00
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int last_state = -1, state = S_IDLE;
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2012-10-26 23:21:33 -04:00
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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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/* Static initialization */
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setup_paper_codes();
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2012-10-26 22:06:47 -04:00
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/* Cmdline help */
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if (argc < 2) {
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fprintf(stderr, "SELPHY ES Print Assist version %s\n\nUsage:\n\t%s infile\n",
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VERSION,
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argv[0]);
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fprintf(stderr, "\n");
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exit(1);
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}
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2012-10-26 23:21:33 -04:00
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/* Open Input File */
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2012-10-26 23:35:48 -04:00
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if (strcmp("-", argv[1])) {
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2012-10-26 23:21:33 -04:00
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data_fd = open(argv[1], O_RDONLY);
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if (data_fd < 0) {
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perror("Can't open input file");
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exit(1);
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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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if (buffer[0] != 0x40 &&
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buffer[1] != 0x00) {
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fprintf(stderr, "Unrecognized file format!\n");
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return(-1);
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}
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if (buffer[12] == 0x40 &&
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buffer[13] == 0x01) {
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if (buffer[2] == 0x00) {
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printer_type = P_CP_XXX; /* Unpadded */
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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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plane_len = *(uint32_t*)(&buffer[16]);
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plane_len = cpu_to_le32(plane_len);
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goto found;
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}
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plane_len = cpu_to_le32(plane_len);
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plane_len = *(uint32_t*)(&buffer[12]);
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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 found;
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}
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if (es40_plane_lengths[buffer[2]] == plane_len) {
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printer_type = P_ES40;
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bw_mode = (buffer[3] == 0x01);
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goto found;
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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 found;
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}
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}
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fprintf(stderr, "Unrecognized file format!\n");
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return -1;
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found:
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2012-10-26 23:35:48 -04:00
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fprintf(stderr, "File intended for a '%s' printer %s\r\n", models[printer_type], bw_mode? "B/W" : "");
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2012-10-26 23:21:33 -04:00
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plane_len += 12; /* Add in plane header */
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paper_code_offset = paper_code_offsets[printer_type];
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if (paper_code_offset != -1)
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paper_code = paper_codes[printer_type][paper_code_offset];
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2012-10-26 22:06:47 -04:00
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/* Libusb setup */
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libusb_init(&ctx);
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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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libusb_get_device_descriptor(list[i], &desc);
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2012-10-27 08:32:37 -04:00
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#if 0
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2012-10-26 22:06:47 -04:00
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if (desc.bDeviceClass != LIBUSB_CLASS_PRINTER)
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continue;
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2012-10-27 08:32:37 -04:00
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#endif
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2012-10-26 22:06:47 -04:00
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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:
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2012-10-26 23:21:33 -04:00
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if (printer_type == P_ES1)
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goto found2;
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break;
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2012-10-26 22:06:47 -04:00
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case USB_PID_CANON_ES2:
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2012-10-26 23:21:33 -04:00
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case USB_PID_CANON_ES20:
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if (printer_type == P_ES2_20)
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goto found2;
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break;
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case USB_PID_CANON_ES3:
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case USB_PID_CANON_ES30:
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if (printer_type == P_ES3_30)
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goto found2;
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break;
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case USB_PID_CANON_ES40:
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case USB_PID_CANON_CP790:
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if (printer_type == P_ES40)
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|
goto found2;
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break;
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case USB_PID_CANON_CP_XXX:
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if (printer_type == P_CP_XXX)
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goto found2;
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2012-10-26 22:06:47 -04:00
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break;
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default:
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|
fprintf(stderr, "Found Unrecognized Canon Printer: %04x\n",
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|
desc.idProduct);
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2012-10-26 23:21:33 -04:00
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break;
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2012-10-26 22:06:47 -04:00
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}
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}
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if (i == num) {
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ret = 1;
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2012-10-26 23:21:33 -04:00
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fprintf(stderr, "No suitable printers found (looking for %s)\n", models[printer_type]);
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2012-10-26 22:06:47 -04:00
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goto done;
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}
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|
2012-10-26 23:21:33 -04:00
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found2:
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2012-10-26 22:06:47 -04:00
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fprintf(stderr, "Found a %s printer\r\n", models[printer_type]);
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|
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|
2012-10-27 08:32:37 -04:00
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ret = libusb_open(list[i], &dev);
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|
|
if (ret) {
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|
|
fprintf(stderr, "Could not open device (Need to be root?) (%d)\r\n", ret);
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|
goto done;
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|
|
}
|
2012-10-26 22:06:47 -04:00
|
|
|
|
|
|
|
claimed = libusb_kernel_driver_active(dev, 0);
|
2012-10-27 08:32:37 -04:00
|
|
|
if (claimed) {
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|
|
ret = libusb_detach_kernel_driver(dev, 0);
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|
|
if (ret) {
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|
|
fprintf(stderr, "Could not detach printer from kernel (%d)\r\n", ret);
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|
|
|
goto done;
|
|
|
|
}
|
|
|
|
}
|
2012-10-26 22:06:47 -04:00
|
|
|
|
2012-10-27 08:32:37 -04:00
|
|
|
ret = libusb_claim_interface(dev, 0);
|
|
|
|
if (ret) {
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|
|
|
fprintf(stderr, "Could not claim printer interface (%d)\r\n", ret);
|
|
|
|
goto done;
|
|
|
|
}
|
2012-10-26 22:06:47 -04:00
|
|
|
|
2012-10-26 23:21:33 -04:00
|
|
|
top:
|
|
|
|
/* Read in the printer status */
|
|
|
|
ret = libusb_bulk_transfer(dev, ENDPOINT_UP,
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|
|
|
rdbuf,
|
|
|
|
RDBUF_LEN,
|
|
|
|
&num,
|
|
|
|
2000);
|
|
|
|
if (ret < 0) {
|
|
|
|
fprintf(stderr, "libusb error (%d)\n", ret);
|
|
|
|
goto done;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (memcmp(rdbuf, rdbuf2, RDBUF_LEN)) {
|
|
|
|
fprintf(stderr, "readback: %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x\n",
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|
|
|
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, RDBUF_LEN);
|
|
|
|
} else {
|
|
|
|
sleep(1);
|
|
|
|
}
|
|
|
|
if (state != last_state) {
|
|
|
|
fprintf(stderr, "last_state %d new %d\n", last_state, state);
|
|
|
|
last_state = state;
|
|
|
|
}
|
|
|
|
fflush(stderr);
|
|
|
|
|
|
|
|
switch(state) {
|
|
|
|
case S_IDLE:
|
|
|
|
if (!fancy_memcmp(rdbuf, init_readbacks[printer_type], RDBUF_LEN, paper_code_offset, paper_code)) {
|
|
|
|
state = S_PRINTER_READY;
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
case S_PRINTER_READY:
|
|
|
|
fprintf(stderr, "Sending init sequence (%d bytes)\n", init_lengths[printer_type]);
|
|
|
|
|
|
|
|
/* Send printer init */
|
|
|
|
ret = libusb_bulk_transfer(dev, ENDPOINT_DOWN,
|
|
|
|
buffer,
|
|
|
|
init_lengths[printer_type],
|
|
|
|
&num,
|
|
|
|
2000);
|
|
|
|
if (ret < 0) {
|
|
|
|
fprintf(stderr, "libusb error (%d)\n", ret);
|
|
|
|
goto done;
|
|
|
|
}
|
2012-10-26 22:06:47 -04:00
|
|
|
|
2012-10-26 23:21:33 -04:00
|
|
|
/* Realign plane data to start of buffer.. */
|
|
|
|
memmove(buffer, buffer+init_lengths[printer_type],
|
|
|
|
MAX_HEADER-init_lengths[printer_type]);
|
2012-10-26 22:06:47 -04:00
|
|
|
|
2012-10-26 23:21:33 -04:00
|
|
|
state = S_PRINTER_INIT_SENT;
|
|
|
|
break;
|
|
|
|
case S_PRINTER_INIT_SENT:
|
|
|
|
if (!fancy_memcmp(rdbuf, ready_y_readbacks[printer_type], RDBUF_LEN, paper_code_offset, paper_code)) {
|
|
|
|
state = S_PRINTER_READY_Y;
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
case S_PRINTER_READY_Y:
|
|
|
|
if (bw_mode)
|
|
|
|
fprintf(stderr, "Sending BLACK plane\n");
|
|
|
|
else
|
|
|
|
fprintf(stderr, "Sending YELLOW plane\n");
|
|
|
|
dump_data_libusb(plane_len, MAX_HEADER-init_lengths[printer_type], data_fd, dev, buffer, BUF_LEN);
|
|
|
|
state = S_PRINTER_Y_SENT;
|
|
|
|
break;
|
|
|
|
case S_PRINTER_Y_SENT:
|
|
|
|
if (!fancy_memcmp(rdbuf, ready_m_readbacks[printer_type], RDBUF_LEN, paper_code_offset, paper_code)) {
|
2012-10-26 23:35:48 -04:00
|
|
|
if (bw_mode)
|
|
|
|
state = S_PRINTER_DONE;
|
|
|
|
else
|
|
|
|
state = S_PRINTER_READY_M;
|
2012-10-26 23:21:33 -04:00
|
|
|
}
|
|
|
|
break;
|
|
|
|
case S_PRINTER_READY_M:
|
|
|
|
fprintf(stderr, "Sending MAGENTA plane\n");
|
|
|
|
dump_data_libusb(plane_len, 0, data_fd, dev, buffer, BUF_LEN);
|
|
|
|
state = S_PRINTER_M_SENT;
|
|
|
|
break;
|
|
|
|
case S_PRINTER_M_SENT:
|
|
|
|
if (!fancy_memcmp(rdbuf, ready_c_readbacks[printer_type], RDBUF_LEN, paper_code_offset, paper_code)) {
|
|
|
|
state = S_PRINTER_READY_C;
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
case S_PRINTER_READY_C:
|
|
|
|
fprintf(stderr, "Sending CYAN plane\n");
|
|
|
|
dump_data_libusb(plane_len, 0, data_fd, dev, buffer, BUF_LEN);
|
|
|
|
state = S_PRINTER_C_SENT;
|
|
|
|
break;
|
|
|
|
case S_PRINTER_C_SENT:
|
|
|
|
if (!fancy_memcmp(rdbuf, done_c_readbacks[printer_type], RDBUF_LEN, paper_code_offset, paper_code)) {
|
|
|
|
state = S_PRINTER_DONE;
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
case S_PRINTER_DONE:
|
|
|
|
if (foot_lengths[printer_type]) {
|
|
|
|
fprintf(stderr, "Sending cleanup sequence\n");
|
|
|
|
dump_data_libusb(foot_lengths[printer_type], 0, data_fd, dev, buffer, BUF_LEN);
|
|
|
|
}
|
|
|
|
state = S_FINISHED;
|
|
|
|
break;
|
|
|
|
case S_FINISHED:
|
|
|
|
fprintf(stderr, "All data sent to printer!\n");
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
if (state != S_FINISHED)
|
|
|
|
goto top;
|
2012-10-26 22:06:47 -04:00
|
|
|
|
2012-10-26 23:21:33 -04:00
|
|
|
/* Done printing */
|
|
|
|
|
2012-10-26 22:06:47 -04:00
|
|
|
libusb_release_interface(dev, 0);
|
|
|
|
|
|
|
|
if (claimed)
|
|
|
|
libusb_attach_kernel_driver(dev, 0);
|
|
|
|
|
|
|
|
libusb_close(dev);
|
|
|
|
|
|
|
|
done:
|
|
|
|
libusb_free_device_list(list, 1);
|
|
|
|
libusb_exit(ctx);
|
2012-10-26 23:21:33 -04:00
|
|
|
|
|
|
|
close(data_fd);
|
|
|
|
|
2012-10-26 22:06:47 -04:00
|
|
|
return ret;
|
|
|
|
}
|