506 lines
12 KiB
C
506 lines
12 KiB
C
/*
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* Canon SELPHY CPneo series CUPS backend -- libusb-1.0 version
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*
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* (c) 2016 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/cgit/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 <signal.h>
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#define BACKEND canonselphyneo_backend
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#include "backend_common.h"
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/* Exported */
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#define USB_VID_CANON 0x04a9
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#define USB_PID_CANON_CP820 0x327b
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#define USB_PID_CANON_CP910 0x327a
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#define USB_PID_CANON_CP1000 0x32ae
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#define USB_PID_CANON_CP1200 0x32b1
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/* Header data structure */
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struct selphyneo_hdr {
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uint8_t data[24];
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uint32_t cols; /* LE */
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uint32_t rows; /* LE */
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} __attribute((packed));
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/* Readback data structure */
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struct selphyneo_readback {
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uint8_t data[12];
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} __attribute((packed));
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/* Private data stucture */
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struct selphyneo_ctx {
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struct libusb_device_handle *dev;
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uint8_t endp_up;
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uint8_t endp_down;
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uint8_t *databuf;
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uint32_t datalen;
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};
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static char *selphyneo_statuses(uint8_t sts)
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{
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switch(sts) {
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case 0x01:
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return "Idle";
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case 0x02:
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return "Feeding Paper";
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case 0x04:
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return "Printing YELLOW";
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case 0x08:
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return "Printing MAGENTA";
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case 0x10:
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return "Printing CYAN";
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case 0x20:
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return "Printing LAMINATE";
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default:
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return "Unknown state!";
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}
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}
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static char *selphyneo_errors(uint8_t err)
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{
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switch(err) {
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case 0x00:
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return "None";
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case 0x02:
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return "Paper Feed";
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case 0x03:
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return "No Paper";
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case 0x07:
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return "No Ink";
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case 0x09:
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return "No Paper and Ink";
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case 0x0A:
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return "Incorrect media for job";
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default:
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return "Unknown Error";
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}
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}
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static char *selphynew_pgcodes(uint8_t type) {
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switch (type & 0xf) {
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case 0x01:
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return "P";
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case 0x02:
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return "L";
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case 0x03:
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return "C";
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case 0x00:
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return "None";
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default:
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return "Unknown";
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}
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}
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static int selphyneo_send_reset(struct selphyneo_ctx *ctx)
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{
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uint8_t rstcmd[12] = { 0x40, 0x10, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00 };
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int ret;
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if ((ret = send_data(ctx->dev, ctx->endp_down,
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rstcmd, sizeof(rstcmd))))
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return CUPS_BACKEND_FAILED;
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return CUPS_BACKEND_OK;
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}
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static void *selphyneo_init(void)
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{
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struct selphyneo_ctx *ctx = malloc(sizeof(struct selphyneo_ctx));
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if (!ctx) {
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ERROR("Memory Allocation Failure!\n");
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return NULL;
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}
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memset(ctx, 0, sizeof(struct selphyneo_ctx));
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return ctx;
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}
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extern struct dyesub_backend selphyneo_backend;
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static void selphyneo_attach(void *vctx, struct libusb_device_handle *dev,
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uint8_t endp_up, uint8_t endp_down, uint8_t jobid)
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{
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struct selphyneo_ctx *ctx = vctx;
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struct libusb_device *device;
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struct libusb_device_descriptor desc;
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UNUSED(jobid);
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ctx->dev = dev;
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ctx->endp_up = endp_up;
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ctx->endp_down = endp_down;
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device = libusb_get_device(dev);
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libusb_get_device_descriptor(device, &desc);
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}
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static void selphyneo_teardown(void *vctx) {
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struct selphyneo_ctx *ctx = vctx;
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if (!ctx)
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return;
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if (ctx->databuf)
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free(ctx->databuf);
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free(ctx);
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}
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static int selphyneo_read_parse(void *vctx, int data_fd)
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{
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struct selphyneo_ctx *ctx = vctx;
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struct selphyneo_hdr hdr;
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int i, remain;
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if (!ctx)
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return CUPS_BACKEND_FAILED;
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/* Read the header.. */
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i = read(data_fd, &hdr, sizeof(hdr));
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if (i != sizeof(hdr)) {
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if (i == 0)
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return CUPS_BACKEND_CANCEL;
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ERROR("Read failed (%d/%d)\n",
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i, (int)sizeof(hdr));
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perror("ERROR: Read failed");
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return CUPS_BACKEND_FAILED;
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}
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/* Determine job length */
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switch(hdr.data[18]) {
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case 0x50: /* P */
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case 0x4c: /* L */
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case 0x43: /* C */
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remain = le32_to_cpu(hdr.cols) * le32_to_cpu(hdr.rows) * 3;
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break;
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default:
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ERROR("Unknown print size! (%02x, %ux%u)\n",
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hdr.data[10], le32_to_cpu(hdr.cols), le32_to_cpu(hdr.rows));
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return CUPS_BACKEND_CANCEL;
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}
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/* Allocate a buffer */
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ctx->datalen = 0;
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ctx->databuf = malloc(remain + sizeof(hdr));
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if (!ctx->databuf) {
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ERROR("Memory allocation failure!\n");
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return CUPS_BACKEND_FAILED;
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}
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/* Store the read-in header */
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memcpy(ctx->databuf, &hdr, sizeof(hdr));
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ctx->datalen += sizeof(hdr);
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/* Read in data */
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while (remain > 0) {
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i = read(data_fd, ctx->databuf + ctx->datalen, remain);
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if (i < 0)
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return CUPS_BACKEND_CANCEL;
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remain -= i;
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ctx->datalen += i;
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}
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return CUPS_BACKEND_OK;
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}
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static int selphyneo_main_loop(void *vctx, int copies) {
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struct selphyneo_ctx *ctx = vctx;
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struct selphyneo_readback rdback;
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int ret, num;
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/* Read in the printer status to clear last state */
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ret = read_data(ctx->dev, ctx->endp_up,
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(uint8_t*) &rdback, sizeof(rdback), &num);
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/* And again, for the markers */
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ret = read_data(ctx->dev, ctx->endp_up,
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(uint8_t*) &rdback, sizeof(rdback), &num);
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ATTR("marker-colors=#00FFFF#FF00FF#FFFF00\n");
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ATTR("marker-high-levels=100\n");
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ATTR("marker-low-levels=10\n");
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ATTR("marker-names='%s'\n", selphynew_pgcodes(rdback.data[6]));
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ATTR("marker-types=ribbonWax\n");
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top:
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INFO("Waiting for printer idle\n");
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do {
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ret = read_data(ctx->dev, ctx->endp_up,
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(uint8_t*) &rdback, sizeof(rdback), &num);
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if (ret < 0)
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return CUPS_BACKEND_FAILED;
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if (rdback.data[0] == 0x01)
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break;
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INFO("Printer state: %s\n", selphyneo_statuses(rdback.data[0]));
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switch (rdback.data[2]) {
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case 0x00:
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break;
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case 0x0A:
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ERROR("Printer error: %s (%02x)\n", selphyneo_errors(rdback.data[2]), rdback.data[2]);
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ATTR("marker-levels=%d\n", 0);
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return CUPS_BACKEND_CANCEL;
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default:
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ERROR("Printer error: %s (%02x)\n", selphyneo_errors(rdback.data[2]), rdback.data[2]);
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ATTR("marker-levels=%d\n", 0);
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return CUPS_BACKEND_STOP;
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}
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sleep(1);
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} while(1);
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ATTR("marker-levels=%d\n", -3); /* ie Unknown but OK */
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INFO("Sending spool data\n");
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/* Send the data over in 256K chunks */
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{
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int chunk = 256*1024;
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int sent = 0;
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while (chunk > 0) {
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if ((ret = send_data(ctx->dev, ctx->endp_down,
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ctx->databuf + sent, chunk)))
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return CUPS_BACKEND_FAILED;
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sent += chunk;
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chunk = ctx->datalen - sent;
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if (chunk > 256*1024)
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chunk = 256*1024;
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}
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}
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/* Read in the printer status to clear last state */
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ret = read_data(ctx->dev, ctx->endp_up,
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(uint8_t*) &rdback, sizeof(rdback), &num);
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INFO("Waiting for printer acknowledgement\n");
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do {
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ret = read_data(ctx->dev, ctx->endp_up,
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(uint8_t*) &rdback, sizeof(rdback), &num);
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if (ret < 0)
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return CUPS_BACKEND_FAILED;
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if (rdback.data[0] == 0x01)
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break;
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INFO("Printer state: %s\n", selphyneo_statuses(rdback.data[0]));
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switch (rdback.data[2]) {
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case 0x00:
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break;
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case 0x0A:
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ERROR("Printer error: %s (%02x)\n", selphyneo_errors(rdback.data[2]), rdback.data[2]);
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ATTR("marker-levels=%d\n", 0);
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return CUPS_BACKEND_CANCEL;
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default:
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ERROR("Printer error: %s (%02x)\n", selphyneo_errors(rdback.data[2]), rdback.data[2]);
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ATTR("marker-levels=%d\n", 0);
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return CUPS_BACKEND_STOP;
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}
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if (rdback.data[0] > 0x02 && fast_return) {
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INFO("Fast return mode enabled.\n");
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break;
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}
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sleep(1);
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} while(1);
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/* Clean up */
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if (terminate)
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copies = 1;
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INFO("Print complete (%d copies remaining)\n", copies - 1);
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if (copies && --copies) {
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goto top;
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}
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return CUPS_BACKEND_OK;
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}
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static int selphyneo_cmdline_arg(void *vctx, int argc, char **argv)
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{
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struct selphyneo_ctx *ctx = vctx;
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int i, j = 0;
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if (!ctx)
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return -1;
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while ((i = getopt(argc, argv, GETOPT_LIST_GLOBAL "R")) >= 0) {
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switch(i) {
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GETOPT_PROCESS_GLOBAL
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case 'R':
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selphyneo_send_reset(ctx);
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break;
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}
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if (j) return j;
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}
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return 0;
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}
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static void selphyneo_cmdline(void)
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{
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DEBUG("\t\t[ -R ] # Reset printer\n");
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}
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struct dyesub_backend canonselphyneo_backend = {
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.name = "Canon SELPHY CPneo",
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.version = "0.07",
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.uri_prefix = "canonselphyneo",
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.cmdline_usage = selphyneo_cmdline,
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.cmdline_arg = selphyneo_cmdline_arg,
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.init = selphyneo_init,
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.attach = selphyneo_attach,
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.teardown = selphyneo_teardown,
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.read_parse = selphyneo_read_parse,
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.main_loop = selphyneo_main_loop,
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.devices = {
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{ USB_VID_CANON, USB_PID_CANON_CP820, P_CP910, ""},
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{ USB_VID_CANON, USB_PID_CANON_CP910, P_CP910, ""},
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{ USB_VID_CANON, USB_PID_CANON_CP1000, P_CP910, ""},
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{ USB_VID_CANON, USB_PID_CANON_CP1200, P_CP910, ""},
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{ 0, 0, 0, ""}
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}
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};
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/*
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***************************************************************************
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Stream formats and readback codes for supported printers
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***************************************************************************
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Selphy CP820/CP910/CP1000/CP1200:
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Radically different spool file format! 300dpi, same print sizes, but also
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adding a 50x50mm sticker and 22x17.3mm ministickers, though I think the
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driver treats all of those as 'C' sizes for printing purposes.
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32-byte header:
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0f 00 00 40 00 00 00 00 00 00 00 00 00 00 01 00
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01 00 TT 00 00 00 00 00 XX XX XX XX YY YY YY YY
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cols (le32) rows (le32)
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50 e0 04 50 07 1248 * 1872 (P)
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4c 80 04 c0 05 1152 * 1472 (L)
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43 40 04 9c 02 1088 * 668 (C)
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TT == 50 (P)
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== 4c (L)
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== 43 (C)
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Followed by three planes of image data.
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P == 7008800 == 2336256 * 3 + 32 (1872*1248)
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L == 5087264 == 1695744 * 3 + 32 (1472*1152)
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C == 2180384 == 726784 * 3 + 32 (1088*668)
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It is worth mentioning that the image payload is Y'CbCr rather than the
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traditional YMC (or even BGR) of other dyseubs. Our best guess is that
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we need to use the JPEG coefficients, although we realistically have
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no way of confirming this.
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It is hoped that the printers do support YMC data, but as of yet we
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have no way of determining if this is possible.
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Other questions:
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* Printer supports different lamination types, how to control?
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Data Readback:
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XX 00 YY 00 00 00 ZZ 00 00 00 00 00
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XX == Status
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01 Idle
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02 Feeding Paper
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04 Printing Y
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08 Printing M
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10 Printing C
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20 Printing L
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YY == Error
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00 None
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02 No Paper (?)
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03 No Paper
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07 No Ink
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09 No Paper and Ink
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0A Media/Job mismatch
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ZZ == Media?
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01
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10
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11
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^-- Ribbon
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^-- Paper
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1 == P
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2 == L ??
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3 == C
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Also, the first time a readback happens after plugging in the printer:
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34 44 35 31 01 00 01 00 01 00 45 00 "4D51" ...??
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** ** ** ** This is what windows sends if you print over the network:
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00 00 00 00 40 00 00 00 02 00 00 00 00 00 04 00 Header [unknown]
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00 00 02 00 00 00 00 00 00 00 00 00 00 00 00 00
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00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
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00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
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00 00 01 00 HH HH HH HH 02 00 00 00 PP PP PP PP Header2 [unknown] PP == payload len, HH == payload + header2 len [ie + 3 ]
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CC CC CC CC RR RR RR RR 00 00 00 00 LL LL LL LL CC == cols, RR == rows, LL == plane len (ie RR * CC)
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L2 L2 L2 L2 L2 == LL * 2, apparently.
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[ ..followed by three planes of LL bytes, totalling PP bytes.. ]
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*/
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