100 lines
2.0 KiB
C
100 lines
2.0 KiB
C
#include <sysdefs.h>
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#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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FRESULT i;
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DIR dir; /* Directory object */
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f_mount(0, &FatFs);
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i = f_opendir(&dir, "0:");
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if( i == FR_NO_FILESYSTEM ){
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lcdPrintln("filesystm b0rk");
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lcdPrintln("Formating...");
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lcdRefresh();
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format_formatDF();
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lcdPrintln("Done.");
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lcdPrintln("Now copy files");
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lcdPrintln("to drive. See");
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lcdPrintln("");
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lcdPrintln("r0ket.de/init");
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lcdRefresh();
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usbMSCInit();
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while(1);
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}
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};
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void fsReInit(){
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f_mount(0, NULL);
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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, &readbytes);
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if(res){
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return -1;
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};
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f_close(&file);
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return readbytes;
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};
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int readTextFile(char * filename, char * data, int len){
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UINT readbytes;
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readbytes=readFile(filename,data,len-1);
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if(len>=0)
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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_CREATE_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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f_close(&file);
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return writebytes;
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};
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