63 lines
1.2 KiB
C
63 lines
1.2 KiB
C
#include <ff.h>
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FATFS FatFs; /* File system object for logical drive */
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const TCHAR *rcstrings =
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_T("OK\0DISK_ERR\0INT_ERR\0NOT_READY\0NO_FILE\0NO_PATH\0INVALID_NAME\0")
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_T("DENIED\0EXIST\0INVALID_OBJECT\0WRITE_PROTECTED\0INVALID_DRIVE\0")
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_T("NOT_ENABLED\0NO_FILE_SYSTEM\0MKFS_ABORTED\0TIMEOUT\0LOCKED\0")
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_T("NOT_ENOUGH_CORE\0TOO_MANY_OPEN_FILES\0");
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const char* f_get_rc_string (FRESULT rc) {
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FRESULT i;
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const char *p=rcstrings;
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for (i = 0; i != rc && *p; i++) {
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while(*p++) ;
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}
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return p;
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}
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void fsInit(){
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f_mount(0, &FatFs);
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};
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int readFile(char * filename, char * data, int len){
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FIL file;
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UINT readbytes;
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int res;
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res=f_open(&file, filename, FA_OPEN_EXISTING|FA_READ);
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if(res){
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return -1;
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};
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res = f_read(&file, data, len-1, &readbytes);
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if(res){
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return -1;
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};
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data[readbytes]=0;
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return readbytes;
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};
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int writeFile(char * filename, char * data, int len){
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FIL file;
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UINT writebytes;
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int res;
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res=f_open(&file, filename, FA_OPEN_ALWAYS|FA_WRITE);
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if(res){
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return -1;
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};
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res = f_write(&file, data, len, &writebytes);
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if(res){
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return -1;
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};
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return writebytes;
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};
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