Intermec 5055 참조 가이드

#define SETTINGS (_COM_9600 | _COM_CHR7 | _COM_STOP1 | _COM_EVENPARITY )

static IM_COM_PORT  com_port = IM_COM1;      /* Uses COM1*/

void main (void)
{
IM_UCHAR  outchar;

IM_STATUS status;

   im_cputs("\nChoose a protocol:\n", IM_NORMAL);
   printf("1) PC Standard\n");
   printf("2) No protocol\n");

   if (getche() == '2')       /* Call bios to initialize com port */
   {
     /* Communications port init */
      _bios_serialcom(_COM_INIT, COM1, SETTINGS);
   }

   /* Display instruction */
   printf ("Enter characters\n");
   printf (" to be transmitted\n");
   printf (" <ESC> to quit\n");

   /* Phimec protocol handler must NOT be installed ...*/
   while ((outchar = getche()) != '\x1B')     /* Send char until <ESC> char*/
   {
      /* Call Intermec function */
      status = im_transmit_byte( com_port, outchar);
      if ( IM_ISERROR(status))
         im_message(status);
   }
}