selphy_print/backend_sonyupdneo.c

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/*
* Sony UP-D series (new) Photo Printer CUPS backend -- libusb-1.0 version
*
* (c) 2019 Solomon Peachy <pizza@shaftnet.org>
*
* The latest version of this program can be found at:
*
* http://git.shaftnet.org/cgit/selphy_print.git
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the Free
* Software Foundation; either version 3 of the License, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* [http://www.gnu.org/licenses/gpl-3.0.html]
*
* SPDX-License-Identifier: GPL-3.0+
*
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <signal.h>
#define BACKEND sonyupdneo_backend
#include "backend_common.h"
/* Private data structures */
struct updneo_printjob {
uint8_t *databuf;
int datalen;
int copies_offset;
int payload_offset;
int copies;
uint16_t rows;
uint16_t cols;
};
struct updneo_ctx {
struct libusb_device_handle *dev;
uint8_t endp_up;
uint8_t endp_down;
int type;
int native_bpp;
struct marker marker;
};
/* Now for the code */
static void* updneo_init(void)
{
struct updneo_ctx *ctx = malloc(sizeof(struct updneo_ctx));
if (!ctx) {
ERROR("Memory Allocation Failure!");
return NULL;
}
memset(ctx, 0, sizeof(struct updneo_ctx));
return ctx;
}
static int updneo_attach(void *vctx, struct libusb_device_handle *dev, int type,
uint8_t endp_up, uint8_t endp_down, uint8_t jobid)
{
struct updneo_ctx *ctx = vctx;
UNUSED(jobid);
ctx->dev = dev;
ctx->endp_up = endp_up;
ctx->endp_down = endp_down;
ctx->type = type;
if (ctx->type == P_SONY_UPD898) {
ctx->marker.color = "#000000"; /* Ie black! */
ctx->native_bpp = 1;
} else {
ctx->marker.color = "#00FFFF#FF00FF#FFFF00";
ctx->native_bpp = 3;
}
ctx->marker.name = "Unknown";
ctx->marker.levelmax = -1;
ctx->marker.levelnow = -2;
return CUPS_BACKEND_OK;
}
static void updneo_cleanup_job(const void *vjob)
{
const struct updneo_printjob *job = vjob;
if (job->databuf)
free(job->databuf);
free((void*)job);
}
static void updneo_teardown(void *vctx) {
struct updneo_ctx *ctx = vctx;
if (!ctx)
return;
free(ctx);
}
#define MAX_PRINTJOB_LEN (3400*2392*3 + 2048)
static int updneo_read_parse(void *vctx, const void **vjob, int data_fd, int copies) {
struct updneo_ctx *ctx = vctx;
int len, run = 1;
struct updneo_printjob *job = NULL;
if (!ctx)
return CUPS_BACKEND_FAILED;
job = malloc(sizeof(*job));
if (!job) {
ERROR("Memory allocation failure!\n");
return CUPS_BACKEND_RETRY_CURRENT;
}
memset(job, 0, sizeof(*job));
job->copies = copies;
job->datalen = 0;
job->databuf = malloc(MAX_PRINTJOB_LEN);
if (!job->databuf) {
ERROR("Memory allocation failure!\n");
updneo_cleanup_job(job);
return CUPS_BACKEND_RETRY_CURRENT;
}
/* Read in data chunks. */
while(run) {
int i;
/* Read in data block header (256 bytes) */
i = read(data_fd, job->databuf + job->datalen, 256);
if (i < 0) {
updneo_cleanup_job(job);
return CUPS_BACKEND_CANCEL;
}
if (i == 0)
break;
/* Explicitly null terminate */
job->databuf[job->datalen + 255] = 0;
/* Parse header. Format:
JOBSIZE=pdlname,blocklen,printsize,arg1,..,argN<NULL>
*/
if (strncmp("JOBSIZE=", (char*) job->databuf + job->datalen, 8)) {
ERROR("Invalid spool format!\n");
return CUPS_BACKEND_CANCEL;
}
i = 0;
/* PDL */
char *tok = strtok((char*)job->databuf + job->datalen + 8, "\r\n,");
if (!tok) {
ERROR("Invalid spool format (PDL)!\n");
return CUPS_BACKEND_CANCEL;
}
/* Behavior based on the various blocks */
if (!strncmp("PJL-T", tok, 5))
run = 1;
else if (!strncmp("SONY-PDL-DS2", tok, 12))
job->payload_offset = job->datalen;
// DEBUG("Read block '%s' @ %d ...\n", tok, job->datalen);
/* Payload length */
tok = strtok(NULL, "\r\n,");
if (!tok) {
ERROR("Invalid spool format (block length missing)!\n");
return CUPS_BACKEND_CANCEL;
}
len = atoi(tok);
if (len == 0 || len > MAX_PRINTJOB_LEN) {
ERROR("Invalid spool format (block length %d)!\n", len);
return CUPS_BACKEND_CANCEL;
}
// DEBUG("...len '%d'\n", len);
// parse the rest?
// 898MD: 6,0,0,0
// D80MD: 4
// CR20L: 64,0,0,0
/* Read in the data chunk */
while(len > 0) {
i = read(data_fd, job->databuf + job->datalen, len);
if (i < 0) {
updneo_cleanup_job(job);
return CUPS_BACKEND_CANCEL;
}
if (i == 0)
break;
job->datalen += i;
len -= i;
}
}
if (!job->datalen) {
updneo_cleanup_job(job);
return CUPS_BACKEND_CANCEL;
}
/* Sanity check job parameters */
// rows * cols lines up with imgsize, and others?
*vjob = job;
return CUPS_BACKEND_OK;
}
static int updneo_main_loop(void *vctx, const void *vjob) {
struct updneo_ctx *ctx = vctx;
int ret;
int copies;
const struct updneo_printjob *job = vjob;
if (!ctx)
return CUPS_BACKEND_FAILED;
if (!job)
return CUPS_BACKEND_FAILED;
copies = job->copies;
top:
// Query printer status
// Sanity check job parameters vs printer status
// Check for idle
// send over job
if ((ret = send_data(ctx->dev, ctx->endp_down,
job->databuf, job->datalen)))
return CUPS_BACKEND_FAILED;
/* Wait for completion! */
retry:
sleep(1);
// Check for idle
if (fast_return /*&& ctx->stsbuf.printing > 0 */) {
INFO("Fast return mode enabled.\n");
} else {
goto retry;
}
/* Clean up */
if (terminate)
copies = 1;
// done:
INFO("Print complete (%d copies remaining)\n", copies - 1);
if (copies && --copies) {
goto top;
}
return CUPS_BACKEND_OK;
}
static int updneo_cmdline_arg(void *vctx, int argc, char **argv)
{
struct updneo_ctx *ctx = vctx;
int i, j = 0;
if (!ctx)
return -1;
while ((i = getopt(argc, argv, GETOPT_LIST_GLOBAL "s")) >= 0) {
switch(i) {
GETOPT_PROCESS_GLOBAL
}
if (j) return j;
}
return 0;
}
static int updneo_query_markers(void *vctx, struct marker **markers, int *count)
{
struct updneo_ctx *ctx = vctx;
*markers = &ctx->marker;
*count = 1;
// Do something?
return CUPS_BACKEND_OK;
}
static const char *sonyupdneo_prefixes[] = {
"sonyupdneo",
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"sony-upd898", "sony-upcr20l", "sony-updr80", "sony-updr80md",
"dnp-sl20",
NULL
};
/* Exported */
#define USB_VID_SONY 0x054C
#define USB_PID_SONY_UPD898MD 0xabcd // 0x589a?
#define USB_PID_SONY_UPCR20L 0xbcde
#define USB_PID_SONY_UPDR80MD 0xcdef
struct dyesub_backend sonyupdneo_backend = {
.name = "Sony UP-D Neo",
.version = "0.01WIP",
.uri_prefixes = sonyupdneo_prefixes,
.cmdline_arg = updneo_cmdline_arg,
.init = updneo_init,
.attach = updneo_attach,
.teardown = updneo_teardown,
.cleanup_job = updneo_cleanup_job,
.read_parse = updneo_read_parse,
.main_loop = updneo_main_loop,
.query_markers = updneo_query_markers,
.devices = {
{ USB_VID_SONY, USB_PID_SONY_UPD898MD, P_SONY_UPD898, NULL, "sony-upd898"},
{ USB_VID_SONY, USB_PID_SONY_UPCR20L, P_SONY_UPCR20L, NULL, "sony-upcr20l"},
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{ USB_VID_SONY, USB_PID_SONY_UPDR80MD, P_SONY_UPDR80, NULL, "sony-updr80md"},
{ 0, 0, 0, NULL, NULL}
}
};