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
|
/*
* Copyright © 2013 Keith Packard <keithp@keithp.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; version 2 of the License.
*
* 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.
*/
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <getopt.h>
#include <math.h>
#include <unistd.h>
#include <fcntl.h>
#define AO_FAT_TEST
void
ao_mutex_get(uint8_t *mutex)
{
}
void
ao_mutex_put(uint8_t *mutex)
{
}
void
ao_panic(uint8_t panic)
{
printf ("panic %d\n", panic);
exit(1);
}
#define AO_PANIC_BUFIO 15
#define ao_cmd_success 0
uint8_t ao_cmd_status;
uint32_t ao_cmd_lex_u32;
void
ao_cmd_decimal()
{
}
#define ao_cmd_register(x)
struct ao_cmds {
void (*func)(void);
const char *help;
};
int fs_fd;
uint8_t
ao_sdcard_read_block(uint32_t block, uint8_t *data)
{
lseek(fs_fd, block * 512, 0);
return read(fs_fd, data, 512) == 512;
}
uint8_t
ao_sdcard_write_block(uint32_t block, uint8_t *data)
{
lseek(fs_fd, block * 512, 0);
return write(fs_fd, data, 512) == 512;
}
void
ao_sdcard_init(void)
{
fs_fd = open("fat.fs", 2);
}
#include "ao_bufio.c"
#include "ao_fat.c"
int
main(int argc, char **argv)
{
uint8_t data[15];
int len;
ao_fat_init();
ao_fat_test();
if (ao_fat_open("DATALOG TXT")) {
printf ("DATALOG.TXT\n");
while ((len = ao_fat_read(data, sizeof (data))) > 0) {
write(1, data, len);
}
ao_fat_close();
// ao_fat_unlink("DATALOG TXT");
}
if (ao_fat_open("NEWFILE TXT")) {
printf ("NEWFILE.TXT\n");
while ((len = ao_fat_read(data, sizeof (data))) > 0) {
write(1, data, len);
}
ao_fat_close();
}
if (ao_fat_creat ("NEWFILE TXT")) {
for (len = 0; len < 4095; len++)
ao_fat_write((uint8_t *) "hello, world!\n", 14);
ao_fat_close();
}
return 0;
}
|