To: eliz AT is DOT elta DOT co DOT il
Cc: vmccar AT juno DOT com, djgpp AT delorie DOT com
Subject: Re: Need help with printer
Message-ID: <19990615.105120.10271.0.vmccar@juno.com>
References: <Pine DOT SUN DOT 3 DOT 91 DOT 990615100010 DOT 2646M-100000 AT is>
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From: Vince McCarthy <vmccar AT juno DOT com>
Date: Tue, 15 Jun 1999 13:50:45 EDT
Reply-To: djgpp AT delorie DOT com

  Thank you Eli for you response.       
      Below is a small summary of the Printer commands for a Panasonic
  Dot-matrix printer.

   (Print Quality)
   Quality and Pitch:
   Name:  ESC   1    n
   Dec:   27    73   n
   Hex:   1B    49   n

      n are the different draft and Lq sizes. 
      Draft cpi's, 0=10 CPI, 8=12 CPI, 16=17 CPI, these are draft only.
         
   (Selects LQ typeface.)
   Typeface:
   Name:  ESC   1    n
   Dec:   27    73   n
   Hex:   1B    49   n
      n = 0=Roman, 1=Sanserif, 2=Courier, 3=Prestige, and 4=Script fonts.


   Typeface must be reselected after any pitch change.

      This is the codes I have tried but have not had any luck, except   
   the printer does change fonts, but once set, the printer cannot go 
   back to draft quality or any other mode. 
      These are the functions I have tried.

         PrintDraft(int Pitch) {
            if (Pitch == 0) {

               /* Internal draft 10 CPI mode */
               fprintf(stdprn,"\x1B \x1b\x49 \x1B\x00"); }
         return 0;
         }
         
         TypeFace(int Font) {
            if (Font == 1) { /*--- Sanserif ---*/
               fprintf(stdprn,"\x1B \x1b\x6B \x1B\x01"); }
         return 0;
         }

         PrinterReset() {
            fprintf(stdprn, "\x1B \x1B\x40");
            fprintf(stdprn, "\x1B \x1B\x32");
         return 0;
         }

         main() {
            unsigned short Pitch, Font; 

         /* run at draft 10 CPI, initial turn on */   
         fprintf(stdprn, "Test 1 for DJGPP system Draft printing\n");

         /* set up printer for 10 CPI Courier Font */ 
         Pitch = 0; /* internal draft 10 CPI mode */
         PrintDraft(Pitch);

         /* set to Courier Typeface */
         Font = 2; /* Courier Typeface */
         TypeFace(Font);

         fprintf(stdprn, "Test 2 for DJGPP system Courier printing\n");

         Pitch = 2; /* internal LQ 10 CPI mode */
         PrintDraft(Pitch);

         Font = 4; /* Script Typeface */
         TypeFace(Font);

         /* set for 10 CPI Script */
         fprintf(stdprn, "Test 3 for DJGPP system Script printing\n");

         return 0;
         }

    The result is the font changes to Courier from draft but will not 
 change to script. It stays in the Courier font. The only way to clear
 the printer is to cycle the power.
    This is just a sample of the commands for the Panasonic printer but
 the rest commands are similar.
     

    I hope the above information will be of help, the command 
    fprintf(":Lpt1", "command string"); was typing error (sorry). 
    Thank you 
    Vince McCarthy.


On Tue, 15 Jun 1999 10:00:28 +0300 (IDT) Eli Zaretskii
<eliz AT is DOT elta DOT co DOT il> writes:
>
>On Mon, 14 Jun 1999, Vince McCarthy wrote:
>
>>        I have used the commands `fprintf(stdprn, "string")'  and 
>also `
>> fprintf(":lpt1", "command string")' 
>
>Please give us some information with which to begin helping you.  A
>short complete test program that should have printed something, and a
>description of what happens when you actually run it on your machine,
>would be a good beginning.  It is impossible to help you without
>looking at the code you tried to use.
>
>Btw, the second line above, fprintf(":lpt1", "command string"), is
>certainly wrong, since the first argument to fprintf should be a
>stream, not a file name.  But using stdprn should work.

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