driver/commandtoescpx.c

   1 /*
   2  * "$Id$"
   3  *
   4  *   Advanced EPSON ESC/P command filter for CUPS.
   5  *
   6  *   Copyright 2007-2011 by Apple Inc.
   7  *   Copyright 1993-2005 by Easy Software Products.
   8  *
   9  *   These coded instructions, statements, and computer programs are the
  10  *   property of Apple Inc. and are protected by Federal copyright
  11  *   law.  Distribution and use rights are outlined in the file "LICENSE.txt"
  12  *   which should have been included with this file.  If this file is
  13  *   file is missing or damaged, see the license at "http://www.cups.org/".
  14  *
  15  *
  16  * Contents:
  17  *
  18  *   main() - Main entry and command processing.
  19  */
  20
  21 /*
  22  * Include necessary headers...
  23  */
  24
  25 #include <cups/cups-private.h>
  26 #include "driver.h"
  27 #include "data/escp.h"
  28
  29
  30 /*
  31  * 'main()' - Main entry and processing of driver.
  32  */
  33
  34 int                                             /* O - Exit status */
  35 main(int  argc,                                 /* I - Number of command-line arguments */
  36      char *argv[])                              /* I - Command-line arguments */
  37 {
  38   FILE          *fp;                            /* Command file */
  39   char          line[1024],                     /* Line from file */
  40                 *lineptr;                       /* Pointer into line */
  41   int           feedpage;                       /* Feed the page */
  42   ppd_file_t    *ppd;                           /* PPD file */
  43
  44
  45  /*
  46   * Check for valid arguments...
  47   */
  48
  49   if (argc < 6 || argc > 7)
  50   {
  51    /*
  52     * We don't have the correct number of arguments; write an error message
  53     * and return.
  54     */
  55
  56     _cupsLangPrintf(stderr,
  57                     _("Usage: %s job-id user title copies options [file]"),
  58                     argv[0]);
  59     return (1);
  60   }
  61
  62  /*
  63   * Open the PPD file...
  64   */
  65
  66   if ((ppd = ppdOpenFile(getenv("PPD"))) == NULL)
  67   {
  68     fputs("ERROR: Unable to open PPD file!\n", stderr);
  69     return (1);
  70   }
  71
  72  /*
  73   * Open the command file as needed...
  74   */
  75
  76   if (argc == 7)
  77   {
  78     if ((fp = fopen(argv[6], "r")) == NULL)
  79     {
  80       perror("ERROR: Unable to open command file - ");
  81       return (1);
  82     }
  83   }
  84   else
  85     fp = stdin;
  86
  87  /*
  88   * Some EPSON printers need an additional command issued at the
  89   * beginning of each job to exit from USB "packet" mode...
  90   */
  91
  92   if (ppd->model_number & ESCP_USB)
  93     cupsWritePrintData("\000\000\000\033\001@EJL 1284.4\n@EJL     \n\033@", 29);
  94
  95  /*
  96   * Reset the printer...
  97   */
  98
  99   cupsWritePrintData("\033@", 2);
 100
 101  /*
 102   * Enter remote mode...
 103   */
 104
 105   cupsWritePrintData("\033(R\010\000\000REMOTE1", 13);
 106   feedpage = 0;
 107
 108  /*
 109   * Read the commands from the file and send the appropriate commands...
 110   */
 111
 112   while (fgets(line, sizeof(line), fp) != NULL)
 113   {
 114    /*
 115     * Drop trailing newline...
 116     */
 117
 118     lineptr = line + strlen(line) - 1;
 119     if (*lineptr == '\n')
 120       *lineptr = '\0';
 121
 122    /*
 123     * Skip leading whitespace...
 124     */
 125
 126     for (lineptr = line; isspace(*lineptr); lineptr ++);
 127
 128    /*
 129     * Skip comments and blank lines...
 130     */
 131
 132     if (*lineptr == '#' || !*lineptr)
 133       continue;
 134
 135    /*
 136     * Parse the command...
 137     */
 138
 139     if (_cups_strncasecmp(lineptr, "Clean", 5) == 0)
 140     {
 141      /*
 142       * Clean heads...
 143       */
 144
 145       cupsWritePrintData("CH\002\000\000\000", 6);
 146     }
 147     else if (_cups_strncasecmp(lineptr, "PrintAlignmentPage", 18) == 0)
 148     {
 149      /*
 150       * Print alignment page...
 151       */
 152
 153       int phase;
 154
 155       phase = atoi(lineptr + 18);
 156
 157       cupsWritePrintData("DT\003\000\000", 5);
 158       putchar(phase & 255);
 159       putchar(phase >> 8);
 160       feedpage = 1;
 161     }
 162     else if (_cups_strncasecmp(lineptr, "PrintSelfTestPage", 17) == 0)
 163     {
 164      /*
 165       * Print version info and nozzle check...
 166       */
 167
 168       cupsWritePrintData("VI\002\000\000\000", 6);
 169       cupsWritePrintData("NC\002\000\000\000", 6);
 170       feedpage = 1;
 171     }
 172     else if (_cups_strncasecmp(lineptr, "ReportLevels", 12) == 0)
 173     {
 174      /*
 175       * Report ink levels...
 176       */
 177
 178       cupsWritePrintData("IQ\001\000\001", 5);
 179     }
 180     else if (_cups_strncasecmp(lineptr, "SetAlignment", 12) == 0)
 181     {
 182      /*
 183       * Set head alignment...
 184       */
 185
 186       int phase, x;
 187
 188       if (sscanf(lineptr + 12, "%d%d", &phase, &x) != 2)
 189       {
 190         fprintf(stderr, "ERROR: Invalid printer command \"%s\"!\n", lineptr);
 191         continue;
 192       }
 193
 194       cupsWritePrintData("DA\004\000", 4);
 195       putchar(0);
 196       putchar(phase);
 197       putchar(0);
 198       putchar(x);
 199       cupsWritePrintData("SV\000\000", 4);
 200     }
 201     else
 202       fprintf(stderr, "ERROR: Invalid printer command \"%s\"!\n", lineptr);
 203   }
 204
 205  /*
 206   * Exit remote mode...
 207   */
 208
 209   cupsWritePrintData("\033\000\000\000", 4);
 210
 211  /*
 212   * Eject the page as needed...
 213   */
 214
 215   if (feedpage)
 216   {
 217     fputs("PAGE: 1 1\n", stderr);
 218
 219     putchar(13);
 220     putchar(10);
 221     putchar(12);
 222   }
 223
 224  /*
 225   * Reset the printer...
 226   */
 227
 228   cupsWritePrintData("\033@", 2);
 229
 230  /*
 231   * Close the command file and return...
 232   */
 233
 234   ppdClose(ppd);
 235
 236   if (fp != stdin)
 237     fclose(fp);
 238
 239   return (0);
 240 }
 241
 242
 243 /*
 244  * End of "$Id$".
 245  */