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
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
|
/*
* avrdude - A Downloader/Uploader for AVR device programmers
* Copyright (C) 2002-2004 Brian S. Dean <bsd@bsdhome.com>
*
* 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, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/* $Id: pgm.c,v 1.19 2006/10/09 14:34:24 joerg_wunsch Exp $ */
#include "ac_cfg.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "pgm.h"
extern char * progname;
static int pgm_default_2 (struct programmer_t *, AVRPART *);
static void pgm_default_4 (struct programmer_t *);
static int pgm_default_5 (struct programmer_t *, unsigned char cmd[4],
unsigned char res[4]);
static void pgm_default_6 (struct programmer_t *, char *);
static int pgm_default_open (struct programmer_t *pgm, char * name)
{
fprintf (stderr, "\n%s: Fatal error: Programmer does not support open()",
progname);
exit(1);
}
static int pgm_default_led (struct programmer_t * pgm, int value)
{
/*
* If programmer has no LEDs, just do nothing.
*/
return 0;
}
static void pgm_default_powerup_powerdown (struct programmer_t * pgm)
{
/*
* If programmer does not support powerup/down, just do nothing.
*/
}
PROGRAMMER * pgm_new(void)
{
int i;
PROGRAMMER * pgm;
pgm = (PROGRAMMER *)malloc(sizeof(*pgm));
if (pgm == NULL) {
fprintf(stderr, "%s: out of memory allocating programmer structure\n",
progname);
exit(1);
}
memset(pgm, 0, sizeof(*pgm));
pgm->id = lcreat(NULL, 0);
pgm->desc[0] = 0;
pgm->type[0] = 0;
pgm->config_file[0] = 0;
pgm->lineno = 0;
pgm->baudrate = 0;
for (i=0; i<N_PINS; i++)
pgm->pinno[i] = 0;
/*
* mandatory functions - these are called without checking to see
* whether they are assigned or not
*/
pgm->initialize = pgm_default_2;
pgm->display = pgm_default_6;
pgm->enable = pgm_default_4;
pgm->disable = pgm_default_4;
pgm->powerup = pgm_default_powerup_powerdown;
pgm->powerdown = pgm_default_powerup_powerdown;
pgm->program_enable = pgm_default_2;
pgm->chip_erase = pgm_default_2;
pgm->cmd = pgm_default_5;
pgm->open = pgm_default_open;
pgm->close = pgm_default_4;
/*
* predefined functions - these functions have a valid default
* implementation. Hence, they don't need to be defined in
* the programmer.
*/
pgm->rdy_led = pgm_default_led;
pgm->err_led = pgm_default_led;
pgm->pgm_led = pgm_default_led;
pgm->vfy_led = pgm_default_led;
/*
* optional functions - these are checked to make sure they are
* assigned before they are called
*/
pgm->paged_write = NULL;
pgm->paged_load = NULL;
pgm->write_setup = NULL;
pgm->write_byte = NULL;
pgm->read_byte = NULL;
pgm->read_sig_bytes = NULL;
pgm->set_vtarget = NULL;
pgm->set_varef = NULL;
pgm->set_fosc = NULL;
pgm->perform_osccal = NULL;
return pgm;
}
static void pgm_default(void)
{
fprintf(stderr, "%s: programmer operation not supported\n", progname);
}
static int pgm_default_2 (struct programmer_t * pgm, AVRPART * p)
{
pgm_default();
return -1;
}
static void pgm_default_4 (struct programmer_t * pgm)
{
pgm_default();
}
static int pgm_default_5 (struct programmer_t * pgm, unsigned char cmd[4],
unsigned char res[4])
{
pgm_default();
return -1;
}
static void pgm_default_6 (struct programmer_t * pgm, char * p)
{
pgm_default();
}
|
