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
|
/*
* This file is part of the Micro Python project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2013, 2014 Damien P. George
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#include <string.h>
#include "py/mpconfig.h"
#include "py/misc.h"
#include "ff.h"
#include "ffconf.h"
#include "diskio.h"
#if _FS_RPATH
extern BYTE ff_CurrVol;
#endif
STATIC bool check_path(const TCHAR **path, const char *mount_point_str, mp_uint_t mount_point_len) {
if (strncmp(*path, mount_point_str, mount_point_len) == 0) {
if ((*path)[mount_point_len] == '/') {
*path += mount_point_len;
return true;
} else if ((*path)[mount_point_len] == '\0') {
*path = "/";
return true;
}
}
return false;
}
// "path" is the path to lookup; will advance this pointer beyond the volume name.
// Returns logical drive number (-1 means invalid path).
int ff_get_ldnumber (const TCHAR **path) {
if (!(*path)) {
return -1;
}
if (**path != '/') {
#if _FS_RPATH
return ff_CurrVol;
#else
return -1;
#endif
}
if (check_path(path, "/flash", 6)) {
return 0;
}
#if MICROPY_HW_HAS_SDCARD
else if (check_path(path, "/sd", 3)) {
return 1;
}
#endif
else {
return -1;
}
}
void ff_get_volname(BYTE vol, TCHAR **dest) {
#if MICROPY_HW_HAS_SDCARD
if (vol == 0)
#endif
{
memcpy(*dest, "/flash", 6);
*dest += 6;
}
#if MICROPY_HW_HAS_SDCARD
else
{
memcpy(*dest, "/sd", 3);
*dest += 3;
}
#endif
}
|
