epl_job.h

/**
 * Copyright (c) 2003 Hin-Tak Leung
 *
 * Permission is hereby granted, free of charge, to any person
 * obtaining a copy of this software and associated documentation
 * files (the "Software"), to deal in the Software without
 * restriction, including without limitation the rights to use, copy,
 * modify, merge, publish, distribute, sublicense, and/or sell copies
 * of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be
 * included in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
**/

#define EPL_VERSION "0.4.0cvs"

#include <stdio.h>
#include <sys/time.h>
#include "epl_config.h"
#include "epl_compress.h"

/* job_info is created as a simplier version of
   ParamList which can be used by the header/etc routes
   without passing along string parameters */

typedef struct _EPL_job_info EPL_job_info; 

struct _EPL_job_info {
  FILE *outfile;
  int model;
  int paper_size_mm_h;
  int paper_size_mm_v;
  int dpi_h;
  int dpi_v;
  int ritech;
  int toner_save;
  int density;
  int pixel_h;
  int pixel_v;
  int connectivity;
  int papertype;
  int copies;
#if defined(HAVE_KERNEL_USB_DEVICE) || defined(HAVE_KERNEL_1284)
  int kernel_fd;
#endif

#ifdef HAVE_LIBUSB
  usb_dev_handle *usb_dev_hd;
  int usb_out_ep;
  int usb_in_ep;
#endif

#ifdef HAVE_LIBIEEE1284
struct parport *port;
struct parport_list *port_list;
#endif
  
#ifdef USE_FLOW_CONTROL
  double time_last_write_stripe;
  int printer_total_mem;
  int free_mem_last_update;
  int bytes_sent_after_last_update;
  int stripes_sent_after_last_update;
  int paused_mid_page; /* 0 = start of page, 1 = already paused once */
  int bytes_sent_this_page;
  int stripes_sent_this_page;
  
#define TOTAL_MEM_DEFAULT_VALUE (2*1048576)
#define FREE_MEM_LOW_LEVEL 0x20000
#endif
};

#define MODEL_UNKNOWN 0
#define MODEL_5700L   1
#define MODEL_5800L   2
#define MODEL_5900L   3
/* Just in case there is a 6000L. Probably not important. */
#define MODEL_6100L   5
#define MODEL_6200L   6
#define MODEL_USEDSLOTS 7 /* this is the number of the first not used slot */

#define PRE_INIT        -1
#define VIA_STDOUT_PIPE        0
#define VIA_LIBUSB       1
#define VIA_KERNEL_USB   2
#define VIA_LIBIEEE1284  3
#define VIA_KERNEL_1284  4
#define VIA_NOWHERE      5

#define EPL_JOB_STARTED_YES 1
#define EPL_JOB_STARTED_NO  2

int epl_job_header(EPL_job_info *epl_job_info);

int epl_page_header(EPL_job_info *epl_job_info);

int epl_poll(EPL_job_info *epl_job_info, int type);

int epl_print_stripe(EPL_job_info *epl_job_info, typ_stream *stream, int stripe_number);

int epl_page_footer(EPL_job_info *epl_job_info);

int epl_job_footer(EPL_job_info *epl_job_info);

int epl_write_bid(EPL_job_info *epl_job_info, char *buffer, int length);

int epl_write_uni(EPL_job_info *epl_job_info, char *buffer, int length); 

int epl_read_uni(EPL_job_info *epl_job_info, char *in_buf, int reply_size);

void epl_permission_to_write_stripe(EPL_job_info *epl_job_info);

int epl_status(int argc, char **argv);

int epl_usb_reply_len(int model, unsigned char code);

int epl_identify(char *string);

void epl_57interpret(EPL_job_info *epl_job_info, unsigned char *buffer, int len);

void epl_59interpret(EPL_job_info *epl_job_info, unsigned char *p, int len);

void epl_62interpret(EPL_job_info *epl_job_info, unsigned char *p, int len);

#ifdef EPL_DEBUG

static char *printername[]={
  "<unknown>",
  "EPL-5700L",
  "EPL-5800L",
  "EPL-5900L",
  "<ghost>",              /* placeholder for future 6000L */
  "EPL-6100L",
  "EPL-6200L"
};

#define VERBOSE
#endif

#define epl_sprintf_wrap(str,length) \
            sprintf((str), "%c%deps{I",0x1d, (length))