serial.h

00001 /*
00002  * avrdude - A Downloader/Uploader for AVR device programmers
00003  * Copyright (C) 2003-2004  Theodore A. Roth  <troth@openavr.org>
00004  *
00005  * This program is free software; you can redistribute it and/or modify
00006  * it under the terms of the GNU General Public License as published by
00007  * the Free Software Foundation; either version 2 of the License, or
00008  * (at your option) any later version.
00009  *
00010  * This program 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
00013  * GNU General Public License for more details.
00014  *
00015  * You should have received a copy of the GNU General Public License
00016  * along with this program; if not, write to the Free Software
00017  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
00018  */
00019 
00020 /* $Id: serial.h,v 1.14 2008/03/14 13:00:06 joerg_wunsch Exp $ */
00021 
00022 /* This is the API for the generic serial interface. The implementations are
00023    actually provided by the target dependant files:
00024 
00025    ser_posix.c : posix serial interface.
00026    ser_win32.c : native win32 serial interface.
00027 
00028    The target file will be selected at configure time. */
00029 
00030 #ifndef serial_h
00031 #define serial_h
00032 
00033 extern long serial_recv_timeout;
00034 
00039 union filedescriptor
00040 {
00041   int ifd;
00042   void *pfd;
00043   struct
00044   {
00045     void *handle;
00046     int ep;
00047   } usb;
00048 };
00049 
00056 struct serial_device
00057 {
00058   void (*open)(char * port, long baud, union filedescriptor *fd);
00059   int (*setspeed)(union filedescriptor *fd, long baud);
00060   void (*close)(union filedescriptor *fd);
00061 
00062   int (*send)(union filedescriptor *fd, unsigned char * buf, size_t buflen);
00063   int (*recv)(union filedescriptor *fd, unsigned char * buf, size_t buflen);
00064   int (*drain)(union filedescriptor *fd, int display);
00065   void (*poll)(void);
00066 
00067   int flags;
00068 #define SERDEV_FL_NONE         0x0000 /* no flags */
00069 #define SERDEV_FL_CANSETSPEED  0x0001 /* device can change speed */
00070 };
00071 
00072 extern struct serial_device *serdev;
00073 extern struct serial_device serial_serdev;
00074 extern struct serial_device usb_serdev;
00075 extern struct serial_device usb_serdev_frame;
00076 extern struct serial_device avrdoper_serdev;
00077 
00078 #define serial_open (serdev->open)
00079 #define serial_setspeed (serdev->setspeed)
00080 #define serial_close (serdev->close)
00081 #define serial_send (serdev->send)
00082 #define serial_recv (serdev->recv)
00083 #define serial_drain (serdev->drain)
00084 #define serial_poll (serdev->poll)
00085 
00086 #endif /* serial_h */