/*------------------------------------------------------------/
/?Open?or?create?a?file?in?append?mode
/?（This?function?was?sperseded?by?FA_OPEN_APPEND?flag?at?FatFs?R0.12a）
/------------------------------------------------------------*/

FRESULT?open_append?（
????FIL*?fp????????????/*?[OUT]?File?object?to?create?*/
????const?char*?path????/*?[IN]??File?name?to?be?opened?*/
）
{
????FRESULT?fr;

????/*?Opens?an?existing?file.?If?not?exist?creates?a?new?file.?*/
????fr?=?f_open（fp?path?FA_WRITE?|?FA_OPEN_ALWAYS）;
????if?（fr?==?FR_OK）?{
????????/*?Seek?to?end?of?the?file?to?append?data?*/
????????fr?=?f_lseek（fp?f_size（fp））;
????????if?（fr?!=?FR_OK）
????????????f_close（fp）;
????}
????return?fr;
}


int?main?（void）
{
????FRESULT?fr;
????FATFS?fs;
????FIL?fil;

????/*?Open?or?create?a?log?file?and?ready?to?append?*/
????f_mount（&fs?““?0）;
????fr?=?open_append（&fil?“logfile.txt“）;
????if?（fr?!=?FR_OK）?return?1;

????/*?Append?a?line?*/
????f_printf（&fil?“%02u/%02u/%u?%2u:%02u\n“?Mday?Mon?Year?Hour?Min）;

????/*?Close?the?file?*/
????f_close（&fil）;

????return?0;
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件???????10275??2017-10-14?14:47??source\00history.txt
?????文件?????????916??2017-10-14?14:47??source\00readme.txt
?????文件????????5196??2017-10-14?14:47??source\diskio.c
?????文件????????2707??2017-10-14?14:47??source\diskio.h
?????文件??????230729??2017-10-14?14:47??source\ff.c
?????文件???????14172??2017-10-14?14:47??source\ff.h
?????文件???????11459??2017-10-14?14:47??source\ffconf.h
?????文件????????5106??2017-10-14?14:47??source\ffsystem.c
?????文件?????1974849??2017-10-14?14:47??source\ffunicode.c
?????文件?????????853??2017-10-14?14:47??source\integer.h
?????文件????????3665??2017-10-14?14:47??documents\css_e.css
?????目錄???????????0??2017-04-28?22:26??documents\doc\
?????文件???????35376??2017-10-15?16:19??documents\doc\appnote.html
?????文件????????2572??2017-10-14?14:47??documents\doc\chdir.html
?????文件????????2141??2017-10-14?14:47??documents\doc\chdrive.html
?????文件????????3023??2017-10-14?14:47??documents\doc\chmod.html
?????文件????????2148??2017-10-14?14:47??documents\doc\close.html
?????文件????????2004??2017-10-14?14:47??documents\doc\closedir.html
?????文件???????17746??2017-10-14?17:54??documents\doc\config.html
?????文件????????1817??2017-10-14?14:47??documents\doc\dinit.html
?????文件????????7599??2017-10-14?14:47??documents\doc\dioctl.html
?????文件????????3766??2017-10-14?14:47??documents\doc\dread.html
?????文件????????2273??2017-10-14?14:47??documents\doc\dstat.html
?????文件????????3456??2017-10-14?14:47??documents\doc\dwrite.html
?????文件????????1706??2017-10-14?14:47??documents\doc\eof.html
?????文件????????1595??2017-10-14?14:47??documents\doc\error.html
?????文件????????5203??2017-10-14?14:47??documents\doc\expand.html
?????文件????????1724??2017-10-14?14:47??documents\doc\fattime.html
?????文件????????4303??2017-10-14?14:47??documents\doc\fdisk.html
?????文件????????9698??2017-10-14?14:47??documents\doc\filename.html
?????文件????????5378??2017-10-14?14:47??documents\doc\findfirst.html
............此處省略58個文件信息