/*------------------------------------------------------------/
/?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?“l(fā)ogfile.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(shí)間???名稱
-----------?---------??----------?-----??----
?????文件????????8501??2018-04-07?17:45??documents\00index_e.html
?????目錄???????????0??2018-07-22?10:30??documents\doc\
?????文件????????3139??2018-04-07?17:45??documents\doc\chdir.html
?????文件????????2207??2018-04-07?17:45??documents\doc\chdrive.html
?????文件????????3023??2018-04-07?17:45??documents\doc\chmod.html
?????文件????????2148??2018-04-07?17:45??documents\doc\close.html
?????文件????????2004??2018-04-07?17:45??documents\doc\closedir.html
?????文件???????19332??2018-07-22?10:26??documents\doc\config.html
?????文件????????1817??2018-04-07?17:45??documents\doc\dinit.html
?????文件????????7628??2018-04-07?17:45??documents\doc\dioctl.html
?????文件????????3763??2018-04-07?17:45??documents\doc\dread.html
?????文件????????2273??2018-04-07?17:45??documents\doc\dstat.html
?????文件????????3493??2018-04-07?17:45??documents\doc\dwrite.html
?????文件????????1706??2018-04-07?17:45??documents\doc\eof.html
?????文件????????1595??2018-04-07?17:45??documents\doc\error.html
?????文件????????5294??2018-08-05?19:22??documents\doc\expand.html
?????文件????????1725??2018-04-07?17:45??documents\doc\fattime.html
?????文件????????4303??2018-04-07?17:45??documents\doc\fdisk.html
?????文件???????10494??2018-04-07?17:45??documents\doc\filename.html
?????文件????????5312??2018-04-07?17:45??documents\doc\findfirst.html
?????文件????????2547??2018-04-07?17:45??documents\doc\findnext.html
?????文件????????5476??2018-04-07?17:45??documents\doc\forward.html
?????文件????????2673??2018-04-07?17:45??documents\doc\getcwd.html
?????文件????????3481??2018-04-07?17:45??documents\doc\getfree.html
?????文件????????3103??2018-04-07?17:45??documents\doc\getlabel.html
?????文件????????3076??2018-04-07?17:45??documents\doc\gets.html
?????文件????????7321??2018-04-07?17:45??documents\doc\lseek.html
?????文件????????2370??2018-04-07?17:45??documents\doc\mkdir.html
?????文件????????7870??2018-04-07?17:45??documents\doc\mkfs.html
?????文件????????5602??2018-04-07?17:45??documents\doc\mount.html
?????文件????????7707??2018-04-07?17:45??documents\doc\open.html
............此處省略60個(gè)文件信息