/*------------------------------------------------------------/
/?Open?or?create?a?file?in?append?mode
/------------------------------------------------------------*/

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?????109142??2016-04-15?21:59??SD_Flash+FatFs+浮點型數據存取-Y\CORE\core_cm4.h

?????文件??????22735??2016-04-15?21:59??SD_Flash+FatFs+浮點型數據存取-Y\CORE\core_cm4_simd.h

?????文件??????17146??2016-04-15?21:59??SD_Flash+FatFs+浮點型數據存取-Y\CORE\core_cmFunc.h

?????文件??????20513??2016-04-15?21:59??SD_Flash+FatFs+浮點型數據存取-Y\CORE\core_cmInstr.h

?????文件??????29605??2016-04-15?21:59??SD_Flash+FatFs+浮點型數據存取-Y\CORE\startup_stm32f40_41xxx.s

?????文件???????3248??2016-04-15?21:59??SD_Flash+FatFs+浮點型數據存取-Y\FATFS\doc\css_e.css

?????文件???????3661??2016-04-15?21:59??SD_Flash+FatFs+浮點型數據存取-Y\FATFS\doc\css_j.css

?????文件???????1063??2016-04-15?21:59??SD_Flash+FatFs+浮點型數據存取-Y\FATFS\doc\img\app1.c

?????文件???????1597??2016-04-15?21:59??SD_Flash+FatFs+浮點型數據存取-Y\FATFS\doc\img\app2.c

?????文件???????3811??2016-04-15?21:59??SD_Flash+FatFs+浮點型數據存取-Y\FATFS\doc\img\app3.c

?????文件??????10365??2016-04-15?21:59??SD_Flash+FatFs+浮點型數據存取-Y\FATFS\doc\img\app4.c

?????文件???????1414??2016-04-15?21:59??SD_Flash+FatFs+浮點型數據存取-Y\FATFS\doc\img\f1.png

?????文件???????1458??2016-04-15?21:59??SD_Flash+FatFs+浮點型數據存取-Y\FATFS\doc\img\f2.png

?????文件???????1039??2016-04-15?21:59??SD_Flash+FatFs+浮點型數據存取-Y\FATFS\doc\img\f3.png

?????文件???????2335??2016-04-15?21:59??SD_Flash+FatFs+浮點型數據存取-Y\FATFS\doc\img\f4.png

?????文件???????2479??2016-04-15?21:59??SD_Flash+FatFs+浮點型數據存取-Y\FATFS\doc\img\f5.png

?????文件???????1436??2016-04-15?21:59??SD_Flash+FatFs+浮點型數據存取-Y\FATFS\doc\img\f6.png

?????文件??????11388??2016-04-15?21:59??SD_Flash+FatFs+浮點型數據存取-Y\FATFS\doc\img\f7.png

?????文件??????11421??2016-04-15?21:59??SD_Flash+FatFs+浮點型數據存取-Y\FATFS\doc\img\funcs.png

?????文件???????2401??2016-04-15?21:59??SD_Flash+FatFs+浮點型數據存取-Y\FATFS\doc\img\layers.png

?????文件???????2379??2016-04-15?21:59??SD_Flash+FatFs+浮點型數據存取-Y\FATFS\doc\img\layers3.png

?????文件???????7932??2016-04-15?21:59??SD_Flash+FatFs+浮點型數據存取-Y\FATFS\doc\img\modules.png

?????文件??????19068??2016-04-15?21:59??SD_Flash+FatFs+浮點型數據存取-Y\FATFS\doc\img\rwtest.png

?????文件???????8153??2016-04-15?21:59??SD_Flash+FatFs+浮點型數據存取-Y\FATFS\doc\img\rwtest2.png

?????文件???????3011??2016-04-15?21:59??SD_Flash+FatFs+浮點型數據存取-Y\FATFS\doc\img\rwtest3.png

?????文件???????5352??2016-04-15?21:59??SD_Flash+FatFs+浮點型數據存取-Y\FATFS\doc\updates.txt

?????文件???????3473??2018-11-20?16:05??SD_Flash+FatFs+浮點型數據存取-Y\FATFS\exfuns\exfuns.c

?????文件???????1316??2018-11-20?16:05??SD_Flash+FatFs+浮點型數據存取-Y\FATFS\exfuns\exfuns.h

?????文件???????9730??2020-03-25?22:06??SD_Flash+FatFs+浮點型數據存取-Y\FATFS\exfuns\fattester.c

?????文件???????1551??2020-03-25?19:17??SD_Flash+FatFs+浮點型數據存取-Y\FATFS\exfuns\fattester.h

............此處省略269個文件信息