|
@@ -0,0 +1,127 @@
|
|
|
+// insert cool lengthy disclaimer here
|
|
|
+
|
|
|
+#include <stdio.h>
|
|
|
+#include <string.h>
|
|
|
+#include <avr/pgmspace.h>
|
|
|
+#include <util/delay.h>
|
|
|
+#include "config.h"
|
|
|
+#include "uart.h"
|
|
|
+#include "filetypes.h"
|
|
|
+#include "ff.h"
|
|
|
+#include "smc.h"
|
|
|
+#include "fileops.h"
|
|
|
+#include "crc16.h"
|
|
|
+#include "memory.h"
|
|
|
+
|
|
|
+uint16_t scan_dir(char* path, char mkdb) {
|
|
|
+ DIR dir;
|
|
|
+ FILINFO fno;
|
|
|
+ FRESULT res;
|
|
|
+ int len;
|
|
|
+ unsigned char* fn;
|
|
|
+ static unsigned char lfn[256];
|
|
|
+ static unsigned char depth = 0;
|
|
|
+ static uint16_t crc;
|
|
|
+ static uint32_t db_tgt;
|
|
|
+ if(depth==0) {
|
|
|
+ crc = 0;
|
|
|
+ db_tgt = 0x600010;
|
|
|
+ }
|
|
|
+// dprintf("path=%s depth=%d ptr=%lx\n", path, depth, db_tgt);
|
|
|
+// _delay_ms(50);
|
|
|
+ fno.lfn = lfn;
|
|
|
+ res = f_opendir(&dir, (unsigned char*)path);
|
|
|
+ if (res == FR_OK) {
|
|
|
+ len = strlen((char*)path);
|
|
|
+ for (;;) {
|
|
|
+ res = f_readdir(&dir, &fno);
|
|
|
+ if (res != FR_OK || fno.fname[0] == 0) break;
|
|
|
+ fn = *fno.lfn ? fno.lfn : fno.fname;
|
|
|
+// dprintf("%s\n", fn);
|
|
|
+// _delay_ms(100);
|
|
|
+ if (*fn == '.') continue;
|
|
|
+ if (fno.fattrib & AM_DIR) {
|
|
|
+ path[len]='/';
|
|
|
+ strncpy(path+len+1, (char*)fn, sizeof(fs_path)-len);
|
|
|
+ depth++;
|
|
|
+ scan_dir(path, mkdb);
|
|
|
+ depth--;
|
|
|
+ path[len]=0;
|
|
|
+// if (res != FR_OK) {
|
|
|
+// break;
|
|
|
+// }
|
|
|
+ } else {
|
|
|
+ SNES_FTYPE type = determine_filetype((char*)fn);
|
|
|
+ if(type != TYPE_UNKNOWN) {
|
|
|
+ if(mkdb) {
|
|
|
+ snes_romprops_t romprops;
|
|
|
+ path[len]='/';
|
|
|
+ strncpy(path+len+1, (char*)fn, sizeof(fs_path)-len);
|
|
|
+ switch(type) {
|
|
|
+ case TYPE_SMC:
|
|
|
+ file_open_by_filinfo(&fno);
|
|
|
+ if(file_res){
|
|
|
+ dprintf("ZOMG NOOOO %d\n", file_res);
|
|
|
+ _delay_ms(30);
|
|
|
+ }
|
|
|
+ smc_id(&romprops);
|
|
|
+ file_close();
|
|
|
+ dprintf("%lx\n", db_tgt);
|
|
|
+// _delay_ms(30);
|
|
|
+ sram_writeblock((uint8_t*)&romprops, db_tgt, sizeof(romprops));
|
|
|
+ sram_writeblock(path, db_tgt + sizeof(romprops), 256);
|
|
|
+ db_tgt += 0x140;
|
|
|
+ break;
|
|
|
+ case TYPE_UNKNOWN:
|
|
|
+ default:
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ path[len]=0;
|
|
|
+// dprintf("%s ", path);
|
|
|
+// _delay_ms(30);
|
|
|
+ }
|
|
|
+ unsigned char* sfn = fno.fname;
|
|
|
+ while(*sfn != 0) {
|
|
|
+ crc += crc16_update(crc, sfn++, 1);
|
|
|
+ }
|
|
|
+ }
|
|
|
+// dprintf("%s/%s\n", path, fn);
|
|
|
+// _delay_ms(50);
|
|
|
+// _delay_ms(10);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ } else uart_putc(0x30+res);
|
|
|
+// dprintf("%x\n", crc);
|
|
|
+// _delay_ms(50);
|
|
|
+ sram_writeblock(&db_tgt, 0x600004, sizeof(db_tgt));
|
|
|
+ return crc;
|
|
|
+}
|
|
|
+
|
|
|
+
|
|
|
+SNES_FTYPE determine_filetype(char* filename) {
|
|
|
+ char* ext = strrchr(filename, '.');
|
|
|
+ if(ext == NULL)
|
|
|
+ return TYPE_UNKNOWN;
|
|
|
+ if(!strcasecmp_P(ext+1, PSTR("SMC"))) {
|
|
|
+ return TYPE_SMC;
|
|
|
+ }/* later
|
|
|
+ if(!strcasecmp_P(ext+1, PSTR("SRM"))) {
|
|
|
+ return TYPE_SRM;
|
|
|
+ }
|
|
|
+ if(!strcasecmp_P(ext+1, PSTR("SPC"))) {
|
|
|
+ return TYPE_SPC;
|
|
|
+ }*/
|
|
|
+ return TYPE_UNKNOWN;
|
|
|
+}
|
|
|
+
|
|
|
+FRESULT get_db_id(uint16_t* id) {
|
|
|
+ file_open("/sd2snes/sd2snes.db", FA_READ);
|
|
|
+ if(file_res == FR_OK) {
|
|
|
+ file_readblock(id, 0, 2);
|
|
|
+/* XXX */ *id=0xdead;
|
|
|
+ file_close();
|
|
|
+ } else {
|
|
|
+ *id=0xdead;
|
|
|
+ }
|
|
|
+ return file_res;
|
|
|
+}
|