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  1. /*-------------------------------------------------------------------------
  2.   ser_ir.h - header file for serial routines
  3.  
  4.   Written By -  Josef Wolf <jw@raven.inka.de> (1999)
  5.  
  6.          This program is free software; you can redistribute it and/or modify it
  7.          under the terms of the GNU General Public License as published by the
  8.          Free Software Foundation; either version 2, or (at your option) any
  9.          later version.
  10.  
  11.          This program is distributed in the hope that it will be useful,
  12.          but WITHOUT ANY WARRANTY; without even the implied warranty of
  13.          MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14.          GNU General Public License for more details.
  15.  
  16.          You should have received a copy of the GNU General Public License
  17.          along with this program; if not, write to the Free Software
  18.          Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  19.  
  20.          In other words, you are welcome to use, share and improve this program.
  21.          You are forbidden to forbid anyone else to use, share and improve
  22.          what you give them.   Help stamp out software-hoarding!
  23.  
  24. -------------------------------------------------------------------------*/
  25. /* call this one first on startup */
  26. void ser_init (void);
  27.  
  28. /* the following ones should be obvious */
  29. void ser_putc (unsigned char c);
  30. void ser_puts (unsigned char *s);
  31. void ser_gets (unsigned char *s, unsigned char len);
  32. unsigned char ser_getc (void);
  33.  
  34. /* return the number of chars that can be received/transmitted without
  35. * blocking.
  36. */
  37. unsigned char ser_can_rcv (void);
  38. unsigned char ser_can_xmt (void);
  39.  
  40. /* needs to be defined somewhere :-() */
  41. void ser_handler (void) __interrupt 4;
  42.