255 lines
5.7 KiB
C
255 lines
5.7 KiB
C
/*
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* Sony UP-DR150 Photo Printer CUPS backend -- libusb-1.0 version
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*
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* (c) 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 <signal.h>
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#include "backend_common.h"
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/* Private data stucture */
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struct updr150_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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int datalen;
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};
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static void* updr150_init(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 updr150_ctx *ctx = malloc(sizeof(struct updr150_ctx));
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if (!ctx)
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return NULL;
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memset(ctx, 0, sizeof(struct updr150_ctx));
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ctx->endp_up = endp_up;
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ctx->endp_down = endp_down;
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return ctx;
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}
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static void updr150_teardown(void *vctx) {
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struct updr150_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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#define MAX_PRINTJOB_LEN 16736455
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static int updr150_read_parse(void *vctx, int data_fd) {
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struct updr150_ctx *ctx = vctx;
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int i;
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if (!ctx)
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return 1;
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ctx->databuf = malloc(MAX_PRINTJOB_LEN);
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if (!ctx->databuf) {
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ERROR("Memory allocation failure!\n");
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return 2;
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}
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while((i = read(data_fd, ctx->databuf + ctx->datalen, 4096)) > 0) {
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ctx->datalen += i;
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}
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return 0;
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}
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static int updr150_main_loop(void *vctx, int copies) {
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struct updr150_ctx *ctx = vctx;
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int i, ret;
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if (!ctx)
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return 1;
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top:
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for (i = 0 ; i < ctx->datalen ; ) {
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uint8_t *ptr = ctx->databuf + i;
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i += 4;
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if (*ptr & 0xf0) {
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switch (*ptr) {
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case 0x6a:
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case 0xfc:
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case 0xfb:
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case 0xf4:
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case 0xed:
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case 0xf9:
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case 0xf8:
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case 0xec:
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case 0xeb:
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case 0xfa:
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case 0xf3:
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DEBUG("Block ID '%x' (len %d)\n", *ptr, 0);
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break;
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case 0xef:
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case 0xf5:
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DEBUG("Block ID '%x' (len %d)\n", *ptr, 4);
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i += 4;
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break;
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default:
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DEBUG("Unknown block ID '%x'\n", *ptr);
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break;
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}
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} else {
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uint32_t len = le32_to_cpu(*((uint32_t*)ptr));
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DEBUG("Sending %d bytes to printer\n", len);
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if ((ret = send_data(ctx->dev, ctx->endp_down,
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ctx->databuf + i, len)))
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return ret;
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i += len;
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}
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}
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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 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 0;
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}
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/* Exported */
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#define USB_VID_SONY 0x054C
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#define USB_PID_SONY_UPDR150 0x01E8
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struct dyesub_backend updr150_backend = {
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.name = "Sony UP-DR150",
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.version = "0.05",
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.uri_prefix = "sonyupdr150",
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// .cmdline_usage = updr150_cmdline,
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.init = updr150_init,
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.teardown = updr150_teardown,
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.read_parse = updr150_read_parse,
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.main_loop = updr150_main_loop,
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.devices = {
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{ USB_VID_SONY, USB_PID_SONY_UPDR150, P_SONY_UPDR150, ""},
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{ 0, 0, 0, ""}
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}
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};
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/* Sony UP-DR150 Spool file format
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The spool file is a series of 4-byte commands, followed by optional
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arguments. The purpose of the commands is unknown, but they presumably
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instruct the driver to perform certain things.
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Known commands:
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6a ff ff ff
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fc ff ff ff
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fb ff ff ff
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f4 ff ff ff
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ed ff ff ff
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f9 ff ff ff
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f8 ff ff ff
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ec ff ff ff
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eb ff ff ff
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fa ff ff ff
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f3 ff ff ff
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ef ff ff ff XX 00 00 00 # XX == print size (0x01/0x02/0x03/0x04)
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f5 ff ff ff YY 00 00 00 # YY == ??? (seen 0x01)
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Additionally, if the leading 4 bits of the command are 0, it signifies
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that what follows are data bytes to be sent to the printer.
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All printer commands start with 0x1b, and are at least 7 bytes long.
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************************************************************************
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The data stream sent to the printer consists of all the commands in the
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spool file, plus a couple other ones that generate responses. It is
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unknown if those additional commands are necessary. This is a typical
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sequence:
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[[ Sniff start ]]
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<- 1b e0 00 00 00 0f 00
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-> 0e 00 00 00 00 00 00 00 00 04 a8 08 0a a4 00
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<- 1b 16 00 00 00 00 00
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-> "reset" ??
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[[ begin job ]]
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<- 1b ef 00 00 00 06 00
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-> 05 00 00 00 00 22
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<- 1b e5 00 00 00 08 00 ** In spool file
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<- 00 00 00 00 00 00 01 00
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<- 1b c1 00 02 06 00 00
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-> 02 02 00 03 00 00
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<- 1b ee 00 00 00 02 00 ** In spool file
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<- 00 01
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<- 1b 15 00 00 00 0d 00 ** In spool file
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<- 00 00 00 00 07 00 00 00 00 08 00 0a a4
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<- 1b 03 00 00 00 13 00
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-> 70 00 00 00 00 00 00 0b 00 00 00 00 00 00 00 00
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00 00 00
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<- 1b e1 00 00 00 0b 00 ** In spool file
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<- 00 80 00 00 00 00 00 08 00 0a a4
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<- 1b 03 00 00 00 13 00
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-> 70 00 00 00 00 00 00 0b 00 00 00 00 00 00 00 00
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00 00 00
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<- 1b ea 00 00 00 00 00 ff 60 00 00 ** In spool file
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<- [[ 0x0060ff00 bytes of data ]]
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<- 1b e0 00 00 00 0f 00
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-> 0e 00 00 00 00 00 00 00 04 a8 08 00 0a a4 00
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<- 1b 0a 00 00 00 00 00 ** In spool file
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<- 1b 17 00 00 00 00 00 ** In spool file
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[[fin]]
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*/
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