/**************************************************************************************************
*
* aip_com.h
*
* Macros für Kommunikation über serielle Schnittstelle
* Basiert auf rt_com.h von rtai !! (siehe unten)
*
*
* Autor: Wilhelm Hagemeister
*
* (C) Copyright IgH 2002
* Ingenieurgemeinschaft IgH
* Heinz-Bäcker Str. 34
* D-45356 Essen
* Tel.: +49 201/61 99 31
* Fax.: +49 201/61 98 36
* E-mail: hm@igh-essen.com
*
*
* $RCSfile: aip_com.h,v $
* $Revision: 1.1 $
* $Author: hm $
* $Date: 2004/09/30 15:50:32 $
* $State: Exp $
*
*
*
*
*
*
*
*
*
**************************************************************************************************/
/** rt_com
* ======
*
* RT-Linux kernel module for communication across serial lines.
*
* Copyright (C) 1997 Jens Michaelsen
* Copyright (C) 1997-2000 Jochen Kupper
* Copyright (C) 2002 Giuseppe Renoldi
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; see the file License. if not, write to the
* Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307, USA.
*
* $Id: aip_com.h,v 1.1 2004/09/30 15:50:32 hm Exp $ */
#ifndef AIP_COM_H
#define AIP_COM_H
/** This is the interface definition of the plain rt_com API.
*
* This should be all you need to use rt_com within your real-time
* kernel module.
*
* (When POSIX is done, we will reference the appropriate header
* here - probably depending on a flag.) */
int init_aip_com(void); //Hm, IgH
void cleanup_aip_com(void); //Hm, IgH
/** specify hardware parameters, set-up communication parameters */
extern int rt_com_hwsetup( unsigned int ttyS, int base, int irq );
extern int rt_com_setup( unsigned int ttyS, int baud, int mode,
unsigned int parity, unsigned int stopbits,
unsigned int wordlength, int fifotrig );
/** read/write from/to input/output buffer */
extern int rt_com_read( unsigned int, char *, int );
extern int rt_com_write( unsigned int ttyS, char *buffer, int count );
/** clear input or output buffer */
extern int rt_com_clear_input( unsigned int ttyS );
extern int rt_com_clear_output( unsigned int ttyS );
/** read input signal from modem (CTS,DSR,RI,DCD), set output signal
* for modem control (DTR,RTS) */
extern int rt_com_read_modem( unsigned int ttyS, int signal );
extern int rt_com_write_modem( unsigned int ttyS, int signal, int value );
/** functioning mode and fifo trigger setting */
extern int rt_com_set_mode( unsigned int ttyS, int mode);
extern int rt_com_set_fifotrig( unsigned int ttyS, int fifotrig);
/** return last error detected */
extern int rt_com_error( unsigned int ttyS );
/** size of internal queues, this is constant during module lifetime */
extern unsigned int rt_com_buffersize;
#define rt_com_set_param rt_com_hwsetup
#define rt_com_setup_old(a,b,c,d,e) rt_com_setup((a),(b),0,(c),(d),(e),-1)
/** functioning modes */
#define RT_COM_NO_HAND_SHAKE 0x00
#define RT_COM_DSR_ON_TX 0x01
#define RT_COM_HW_FLOW 0x02
/** parity flags */
#define RT_COM_PARITY_EVEN 0x18
#define RT_COM_PARITY_NONE 0x00
#define RT_COM_PARITY_ODD 0x08
#define RT_COM_PARITY_HIGH 0x28
#define RT_COM_PARITY_LOW 0x38
/* FIFO Control */
#define RT_COM_FIFO_DISABLE 0x00
#define RT_COM_FIFO_SIZE_1 0x00
#define RT_COM_FIFO_SIZE_4 0x40
#define RT_COM_FIFO_SIZE_8 0x80
#define RT_COM_FIFO_SIZE_14 0xC0
/** rt_com_write_modem masks */
#define RT_COM_DTR 0x01
#define RT_COM_RTS 0x02
/** rt_com_read_modem masks */
#define RT_COM_CTS 0x10
#define RT_COM_DSR 0x20
#define RT_COM_RI 0x40
#define RT_COM_DCD 0x80
/** rt_com_error masks */
#define RT_COM_BUFFER_FULL 0x01
#define RT_COM_OVERRUN_ERR 0x02
#define RT_COM_PARITY_ERR 0x04
#define RT_COM_FRAMING_ERR 0x08
#define RT_COM_BREAK 0x10
#endif /* RT_COM_H */
/**
* Local Variables:
* mode: C
* c-file-style: "Stroustrup"
* End:
*/