131 lines
2.9 KiB
C
131 lines
2.9 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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const uint8_t init1[] = {0xeb, 0xfe, 0x90, 0x4d, 0x53, 0x44, 0x4f, 0x53,
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0x35, 0x2e, 0x30, 0x00, 0x02, 0x01, 0x01, 0x00,
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0x01, 0x00, 0x02, 0x00, 0x04, 0xf0, 0x04, 0x00,
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0x3f, 0x00, 0xff};
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const uint8_t init2[] = {0x80, 0x00, 0x29, 0x37,
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0x4b, 0x55, 0x33, 0x4e, 0x4f, 0x20, 0x4e, 0x41,
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0x4d, 0x45, 0x20, 0x20, 0x20, 0x20, 0x46, 0x41,
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0x54, 0x20, 0x20, 0x20, 0x20, 0x20};
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inline void format_formatDF(void)
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{
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int i;
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char buf[512];
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memset(buf, 0, 512);
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for(i=0; i<20; i++) dataflash_write(buf, i, 1);
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memcpy(buf, init1, sizeof(init1));
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memcpy(buf+0x24, init2, sizeof(init2));
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buf[510] = 0x55;
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buf[511] = 0xaa;
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dataflash_write(buf, 0, 1);
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for(i=0; i< 512; i++) buf[i] = 0x00;
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buf[0] = 0xf0;
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buf[1] = 0xff;
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buf[2] = 0xff;
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dataflash_write(buf, 1, 1);
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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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