/projects/cubeos/src_current/drivers/tty/ttyio.h Source File

00001 /*  src_experimental/drivers/tty/ttyio.h
00002     CubeOS Version 0.4.90 experimental
00003     Copyright (C) 1999,2000 Holger Kenn
00004 
00005     CubeOS is free software; you can redistribute it and/or
00006     modify it under the terms of the GNU Library General Public
00007     License as published by the Free Software Foundation; either
00008     version 2 of the License, or any later version.
00009 
00010     CubeOS is distributed in the hope that it will be useful,
00011     but WITHOUT ANY WARRANTY; without even the implied warranty of
00012     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00013     Library General Public License for more details.
00014 
00015 */  
00016 #ifndef _TTYIO_H
00017 #define _TTYIO_H
00018 
00019 #define TTY_HS_NONE     0
00020 #define TTY_HS_XONXOFF  1
00021 #define TTY_HS_RTSCTS   2
00022 #define TTY_HS_RTSCTSHW 3 
00023 
00024 #define TTY_MODE_RXBLOCKING     1
00025 #define TTY_MODE_TXBLOCKING     2
00026 #define TTY_MODE_TXUNBUF        4
00027 #define TTY_MODE_RSM            8
00028 
00029 
00030 #define TTY_STATE_RXEMPTY       1
00031 #define TTY_STATE_TXFULL        2
00032 
00033 #define TTY_RTS_TRESHOLD        8
00034 
00035 struct TTY_tty_dev {
00036   struct iobuf * inq;
00037   struct iobuf * outq;
00038 //  char (*rxchar) ();
00039   void (*txchar) (char c);
00040   void (*en_tx_irq) ();
00041   void (*dis_tx_irq) ();
00042   void (*en_rx_irq) ();
00043   void (*dis_rx_irq) ();
00044   void (*setrts) ();
00045   void (*char_process) (char c);
00046   void (*break_process) ();
00047   int (*sethandshake) (char handshake);
00048   int (*setbps) (int bpsrate);
00049   char hsmode; /* handshake mode */
00050   char mode;   /* io-mode */
00051   char state;  /* io-state */
00052 };
00053 
00054 
00055 extern char _TTY_console_echo;
00056 void TTY_conecho_on();
00057 void TTY_conecho_off();
00058 char TTY_inchar(void);
00059 void TTY_outchar(char byte);
00060 void TTY_init(void);
00061 void TTY_setcontty(int contty);
00062 
00063 extern struct TTY_tty_dev TTY_tty[3];
00064 extern int _TTY_contty;
00065 
00066 #endif
00067