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R0.15a

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Nov 22, 2024

Fixed a complie error when FF_FS_LOCK != 0. (appeared at R0.15)

Fixed a potential issue when work FatFs concurrency with FF_FS_REENTRANT, FF_VOLUMES >= 2 and FF_FS_LOCK > 0.

Made f_setlabel accept a volume label with Unix style volume ID when FF_STR_VOLUME_ID == 2.

Made FatFs update PercInUse field in exFAT VBR. (A preceding f_getfree is needed for the accuracy)
This commit is contained in:
Christopher Williams
2024-11-25 16:44:32 -07:00
parent b11f089319
commit 44b3c38b23
59 changed files with 940 additions and 939 deletions
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documents/doc/write.html
+4 -5
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@@ -3,8 +3,6 @@
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<meta http-equiv="Content-Style-Type" content="text/css">
<link rel="up" title="FatFs" href="../00index_e.html">
<link rel="alternate" hreflang="ja" title="Japanese" href="../ja/write.html">
<link rel="stylesheet" href="../css_e.css" type="text/css" media="screen" title="ELM Default">
<title>FatFs - f_write</title>
</head>
@@ -28,13 +26,13 @@ FRESULT f_write (
<h4>Parameters</h4>
<dl class="par">
<dt>fp</dt>
<dd>Pointer to the open file object structure.</dd>
<dd>Pointer to the open file object structure. If a null pointer is given, the function fails with <tt>FR_INVALID_OBJECT</tt>.</dd>
<dt>buff</dt>
<dd>Pointer to the data to be written.</dd>
<dt>btw</dt>
<dd>Specifies number of bytes to write in range of <tt>UINT</tt> type. If the data needs to be written fast, it should be written in large chunk as possible.</dd>
<dt>bw</dt>
<dd>Pointer to the <tt>UINT</tt> variable that receives the number of bytes written. This value is always valid after the function call regardless of the function return code. If the return value is equal to <tt class="arg">btw</tt>, the function return code should be <tt>FR_OK</tt>.</dd>
<dd>Pointer to the variable in <tt>UINT</tt> type that receives the number of bytes written. This value is always valid after the function call regardless of the function return code. If the return value is equal to <tt class="arg">btw</tt>, the function return code should be <tt>FR_OK</tt>.</dd>
</dl>
</div>
@@ -54,7 +52,7 @@ FRESULT f_write (
<div class="para desc">
<h4>Description</h4>
<p>The function starts to write data to the file at the file offset pointed by read/write pointer. The read/write pointer advances as number of bytes written. After the function succeeded, <tt class="arg">*bw</tt> should be checked to detect the disk full. In case of <tt class="arg">*bw</tt> &lt; <tt class="arg">btw</tt>, it means the volume got full during the write operation. The function can take a time when the volume is full or close to full.</p>
<p>The function starts to write data to the file at the file offset pointed by read/write pointer of the file object. The read/write pointer advances as number of bytes written. After the function succeeded, <tt class="arg">*bw</tt> should be checked to detect the disk full. In case of <tt class="arg">*bw</tt> &lt; <tt class="arg">btw</tt>, it means the volume got full during the write operation. The function can take a time when the volume is full or close to full.</p>
</div>
@@ -75,6 +73,7 @@ FRESULT f_write (
<p><tt><a href="open.html">f_open</a>, <a href="read.html">f_read</a>, <a href="putc.html">fputc</a>, <a href="puts.html">fputs</a>, <a href="printf.html">fprintf</a>, <a href="close.html">f_close</a>, <a href="sfile.html">FIL</a></tt></p>
</div>
<p class="foot"><a href="../00index_e.html">Return</a></p>
</body>
</html>