avrdude/serial.h

94 lines
2.8 KiB
C

/*
* avrdude - A Downloader/Uploader for AVR device programmers
* Copyright (C) 2003-2004 Theodore A. Roth <troth@openavr.org>
*
* 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. If not, see <http://www.gnu.org/licenses/>.
*/
/* $Id$ */
/* This is the API for the generic serial interface. The implementations are
actually provided by the target dependant files:
ser_posix.c : posix serial interface.
ser_win32.c : native win32 serial interface.
The target file will be selected at configure time. */
#ifndef serial_h
#define serial_h
extern long serial_recv_timeout;
union filedescriptor
{
int ifd;
void *pfd;
struct
{
void *handle;
int rep; /* bulk read endpoint */
int wep; /* bulk write endpoint */
int eep; /* event read endpoint */
int max_xfer; /* max transfer size */
int use_interrupt_xfer; /* device uses interrupt transfers */
} usb;
};
union pinfo
{
long baud;
struct
{
unsigned short vid;
unsigned short pid;
unsigned short flags;
#define PINFO_FL_USEHID 0x0001
} usbinfo;
};
struct serial_device
{
// open should return -1 on error, other values on success
int (*open)(char * port, union pinfo pinfo, union filedescriptor *fd);
int (*setspeed)(union filedescriptor *fd, long baud);
void (*close)(union filedescriptor *fd);
int (*send)(union filedescriptor *fd, unsigned char * buf, size_t buflen);
int (*recv)(union filedescriptor *fd, unsigned char * buf, size_t buflen);
int (*drain)(union filedescriptor *fd, int display);
int (*set_dtr_rts)(union filedescriptor *fd, int is_on);
int flags;
#define SERDEV_FL_NONE 0x0000 /* no flags */
#define SERDEV_FL_CANSETSPEED 0x0001 /* device can change speed */
};
extern struct serial_device *serdev;
extern struct serial_device serial_serdev;
extern struct serial_device usb_serdev;
extern struct serial_device usb_serdev_frame;
extern struct serial_device avrdoper_serdev;
#define serial_open (serdev->open)
#define serial_setspeed (serdev->setspeed)
#define serial_close (serdev->close)
#define serial_send (serdev->send)
#define serial_recv (serdev->recv)
#define serial_drain (serdev->drain)
#define serial_set_dtr_rts (serdev->set_dtr_rts)
#endif /* serial_h */