driver/commandtoescpx.c

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