1 <!DOCTYPE HTML PUBLIC
"-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
4 <meta http-equiv=
"Content-Type" content=
"text/html; charset=Shift_JIS">
5 <meta http-equiv=
"Content-Style-Type" content=
"text/css">
6 <link rel=
"up" title=
"FatFs" href=
"../00index_j.html">
7 <link rel=
"alternate" hreflang=
"en" title=
"English" href=
"../en/getfree.html">
8 <link rel=
"stylesheet" href=
"../css_j.css" type=
"text/css" media=
"screen" title=
"ELM Default">
9 <title>FatFs - f_getfree
</title>
14 <div class=
"para func">
16 <p>\83{
\83\8a\83\85\81[
\83\80\8fã
\82Ì
\8bó
\82«
\97Ì
\88æ
\82Ì
\83T
\83C
\83Y
\82ð
\8eæ
\93¾
\82µ
\82Ü
\82·
\81B
</p>
19 const TCHAR*
<span class=
"arg">path
</span>,
<span class=
"c">/* [IN]
\91Î
\8fÛ
\83h
\83\89\83C
\83u
\82ð
\8ew
\92è
\82µ
\82Ü
\82· */
</span>
20 DWORD*
<span class=
"arg">nclst
</span>,
<span class=
"c">/* [OUT]
\8bó
\82«
\83N
\83\89\83X
\83^
\90\94\82ð
\8ai
\94[
\82·
\82é
\95Ï
\90\94\82Ö
\82Ì
\83|
\83C
\83\93\83^ */
</span>
21 FATFS**
<span class=
"arg">fatfs
</span> <span class=
"c">/* [OUT]
\83t
\83@
\83C
\83\8b\81E
\83V
\83X
\83e
\83\80\81E
\83I
\83u
\83W
\83F
\83N
\83g
\82ð
\8ew
\82·
\83|
\83C
\83\93\83^
\82Ö
\82Ì
\83|
\83C
\83\93\83^ */
</span>
26 <div class=
"para arg">
30 <dd>\92²
\82×
\82é
\91Î
\8fÛ
\82Ì
\98_
\97\9d\83h
\83\89\83C
\83u
\82ð
\8e¦
\82·
<a href=
"filename.html">\83p
\83X
\96¼
</a>\82ð
\8e¦
\82·
\83k
\83\8b\95¶
\8e\9a<tt>'\
0'
</tt>\8fI
\92[
\82Ì
\95¶
\8e\9a\97ñ
\82Ö
\82Ì
\83|
\83C
\83\93\83^
\82ð
\8ew
\92è
\82µ
\82Ü
\82·
\81B
\83k
\83\8b\95¶
\8e\9a\97ñ
\82Í
\83J
\83\8c\83\93\83g
\81E
\83h
\83\89\83C
\83u
\82ð
\88Ó
\96¡
\82µ
\82Ü
\82·
\81B
</dd>
32 <dd>\8bó
\82«
\83N
\83\89\83X
\83^
\90\94\82ð
\8ai
\94[
\82·
\82é
<tt>DWORD
</tt>\8c^
\95Ï
\90\94\82Ö
\82Ì
\83|
\83C
\83\93\83^
\82ð
\8ew
\92è
\82µ
\82Ü
\82·
\81B
</dd>
34 <dd>\91Î
\8fÛ
\83h
\83\89\83C
\83u
\82Ì
\83t
\83@
\83C
\83\8b\81E
\83V
\83X
\83e
\83\80\81E
\83I
\83u
\83W
\83F
\83N
\83g
\82ð
\8ew
\82·
\83|
\83C
\83\93\83^
\82ª
\95Ô
\82³
\82ê
\82Ü
\82·
\81B
</dd>
39 <div class=
"para ret">
42 <a href=
"rc.html#ok">FR_OK
</a>,
43 <a href=
"rc.html#de">FR_DISK_ERR
</a>,
44 <a href=
"rc.html#ie">FR_INT_ERR
</a>,
45 <a href=
"rc.html#nr">FR_NOT_READY
</a>,
46 <a href=
"rc.html#id">FR_INVALID_DRIVE
</a>,
47 <a href=
"rc.html#ne">FR_NOT_ENABLED
</a>,
48 <a href=
"rc.html#ns">FR_NO_FILESYSTEM
</a>,
49 <a href=
"rc.html#tm">FR_TIMEOUT
</a>
54 <div class=
"para desc">
56 <p>\98_
\97\9d\83h
\83\89\83C
\83u
\8fã
\82Ì
\8bó
\82«
\97Ì
\88æ
\82Ì
\83T
\83C
\83Y
\82ð
\83N
\83\89\83X
\83^
\92P
\88Ê
\82Å
\8eæ
\93¾
\82µ
\82Ü
\82·
\81B
\95Ô
\82³
\82ê
\82½
\83t
\83@
\83C
\83\8b\81E
\83V
\83X
\83e
\83\80\81E
\83I
\83u
\83W
\83F
\83N
\83g
\82Ì
<tt>csize
</tt>\83\81\83\93\83o
\82ª
\83N
\83\89\83X
\83^
\82 \82½
\82è
\82Ì
\83Z
\83N
\83^
\90\94\82ð
\8e¦
\82µ
\82Ä
\82¢
\82é
\82Ì
\82Å
\81A
\82±
\82ê
\82ð
\8c³
\82É
\83Z
\83N
\83^
\92P
\88Ê
\82Ì
\8bó
\82«
\83T
\83C
\83Y
\82ª
\8cv
\8eZ
\82Å
\82«
\82Ü
\82·
\81BFAT32
\83{
\83\8a\83\85\81[
\83\80\82É
\82¨
\82¢
\82Ä
\82Í
\81AFSINFO
\82Ì
\8fî
\95ñ
\82ª
\8eÀ
\8dÛ
\82Ì
\8bó
\82«
\83N
\83\89\83X
\83^
\90\94\82Æ
\93¯
\8aú
\82µ
\82Ä
\82¢
\82È
\82¢
\8fê
\8d\87\81A
\95s
\90³
\8am
\82È
\92l
\82ð
\95Ô
\82·
\89Â
\94\
\90«
\82ª
\82 \82è
\82Ü
\82·
\81B
\82±
\82Ì
\96â
\91è
\82ð
\94ð
\82¯
\82é
\82½
\82ß
\81A
<tt>_FS_NOFSINFO
</tt>\83I
\83v
\83V
\83\87\83\93\82Å
\83}
\83E
\83\93\83g
\8cã
\82Ì
\8f\89\89ñ
\82Í
\95K
\82¸
\83t
\83\8bFAT
\83X
\83L
\83\83\83\93\82ð
\82·
\82é
\82æ
\82¤
\82É
\8d\
\90¬
\82·
\82é
\82±
\82Æ
\82à
\82Å
\82«
\82Ü
\82·
\81B
</p>
60 <div class=
"para comp">
61 <h4>\91Î
\89\9e\8fî
\95ñ
</h4>
62 <p><tt>_FS_READONLY ==
0</tt>\82Å
\81A
\8a\8e\82Â
<tt>_FS_MINIMIZE ==
0</tt>\82Ì
\82Æ
\82«
\8eg
\97p
\89Â
\94\
\82Å
\82·
\81B
</p>
66 <div class=
"para use">
70 DWORD fre_clust, fre_sect, tot_sect;
73 <span class=
"c">/*
\83h
\83\89\83C
\83u1
\82Ì
\83{
\83\8a\83\85\81[
\83\80\8fî
\95ñ
\82Æ
\8bó
\82«
\83N
\83\89\83X
\83^
\90\94\82ð
\93¾
\82é */
</span>
74 res = f_getfree(
"1:",
&fre_clust,
&fs);
77 <span class=
"c">/*
\91S
\83Z
\83N
\83^
\90\94\82Æ
\8bó
\82«
\83Z
\83N
\83^
\90\94\82ð
\8cv
\8eZ */
</span>
78 tot_sect = (fs-
>n_fatent -
2) * fs-
>csize;
79 fre_sect = fre_clust * fs-
>csize;
81 <span class=
"c">/*
\83{
\83\8a\83\85\81[
\83\80\91S
\91Ì
\82Ì
\83T
\83C
\83Y
\82Æ
\8bó
\82«
\82Ì
\83T
\83C
\83Y
\82ð
\95\
\8e¦ (
512\83o
\83C
\83g/
\83Z
\83N
\83^
\82Æ
\89¼
\92è) */
</span>
82 printf(
"%10lu KiB total drive space.\n%10lu KiB available.\n",
83 tot_sect /
2, fre_sect /
2);
88 <div class=
"para ref">
90 <tt><a href=
"sfatfs.html">FATFS
</a></tt>
93 <p class=
"foot"><a href=
"../00index_j.html">\96ß
\82é
</a></p>