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author | inmarket <inmarket@ugfx.io> | 2017-06-24 16:35:31 +1000 |
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committer | inmarket <inmarket@ugfx.io> | 2017-06-24 16:35:31 +1000 |
commit | 8561671cb8c8c81cca6407d47437a7238b111ada (patch) | |
tree | 02525a8d232375498816d1ad8c051cd86ac933cf /3rdparty/fatfs-0.13/documents/res/app1.c | |
parent | 5c848859956d62098aa88fdb524faf8bf17fc386 (diff) | |
download | uGFX-8561671cb8c8c81cca6407d47437a7238b111ada.tar.gz uGFX-8561671cb8c8c81cca6407d47437a7238b111ada.tar.bz2 uGFX-8561671cb8c8c81cca6407d47437a7238b111ada.zip |
Upgrade to from FATFS-0.10b to FATFS-0.13
Diffstat (limited to '3rdparty/fatfs-0.13/documents/res/app1.c')
-rw-r--r-- | 3rdparty/fatfs-0.13/documents/res/app1.c | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/3rdparty/fatfs-0.13/documents/res/app1.c b/3rdparty/fatfs-0.13/documents/res/app1.c new file mode 100644 index 00000000..c66a447a --- /dev/null +++ b/3rdparty/fatfs-0.13/documents/res/app1.c @@ -0,0 +1,44 @@ +/*------------------------------------------------------------/ +/ 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; +} + |