1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
|
/*
* $Id: pi-serial.h,v 1.30 2006/10/17 13:24:07 desrod Exp $
*
* pi-serial.h: Palm serial protocol support
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the GNU Library General Public License as published by
* the Free Software Foundation; either version 2 of the License, or (at
* your option) any later version.
*
* This library 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 Library
* General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#ifndef _PILOT_SERIAL_H_
#define _PILOT_SERIAL_H_
#include "pi-args.h"
#include "pi-buffer.h"
#ifdef __cplusplus
extern "C" {
#endif
#define PI_SERIAL_DEV 1
struct pi_serial_impl {
int (*open) PI_ARGS((pi_socket_t *ps,
struct pi_sockaddr *addr, size_t addrlen));
int (*close) PI_ARGS((pi_socket_t *ps));
int (*changebaud) PI_ARGS((pi_socket_t *ps));
ssize_t (*write) PI_ARGS((pi_socket_t *ps,
PI_CONST unsigned char *buf, size_t len, int flags));
ssize_t (*read) PI_ARGS((pi_socket_t *ps,
pi_buffer_t *buf, size_t expect, int flags));
int (*flush) PI_ARGS((pi_socket_t *ps, int flags));
int (*poll) PI_ARGS((pi_socket_t *ps, int timeout));
};
struct pi_serial_data {
struct pi_serial_impl impl;
unsigned char buf[256];
size_t buf_size;
/* IO options */
#ifndef OS2
# ifndef SGTTY
struct termios tco;
# else
struct sgttyb tco;
# endif
#endif
/* Baud rate info */
int rate; /**< Current port baud rate */
int establishrate; /**< Baud rate to use after link is established. If -1, will use the max speed advertised by the device */
int establishhighrate; /**< Boolean: try to establish rate higher than the device publishes*/
/* Time out */
int timeout;
/* Statistics */
int rx_bytes;
int rx_errors;
int tx_bytes;
int tx_errors;
};
extern pi_device_t *pi_serial_device
PI_ARGS((int type));
extern void pi_serial_impl_init
PI_ARGS((struct pi_serial_impl *impl));
#ifdef __cplusplus
}
#endif
#endif
|
