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