dinamic music limit , limit of sound 200 , take any name file , reesc…

…an folder funtion

source/main.c

@@ -34,6 +34,8 @@ char fake_heap[HEAP_SIZE];
 u32 music = 1;
 u32 list = 0;
 u32 isplay = 0;
+u32 musiclimit = 0;
+u32 prevmusic = 0;
 char filename[32];
 
 // we override libnx internals to do a minimal init
@@ -81,40 +83,80 @@ void __appInit(void)
 }
 
 void wakey()
-{
-			audoutInitialize();
-			audoutStartAudioOut();
-
-
+{	//Audio Thread
     while (appletMainLoop())
     {
-//	if (list <= 0){sprintf(filename, "StarDust/music/fondo.mp3");}
-
 	svcSleepThread(1000000000L);
-//		mp3MutInit();
-		if (music == 1){
+		if (music == 1)
+		{
 			isplay = 1;
 			sprintf(filename, "StarDust/music/%d.mp3", list);
 			if (file_exist(filename))
 			{
-			flash_led_connect();
-//			playMp3("StarDust/music/inputok.mp3");
-			playMp3(filename);
+				flash_led_connect();
+				playMp3(filename);
 			}
+			if(prevmusic == 0)
 			list++;
+			else
+				if(list <= 0)
+					list = musiclimit;
+					else
+						list--;
 			isplay = 0;
 		}
 
-//limit of sounds, has (0...1...2).mp3
-if (list >= 20){
-list = 0;
-}
-//fix over 
-if (isplay >= 2){
-isplay = 0;
-}
+		//limit of sounds by list
+		if (list > musiclimit)
+		{
+			list = 0;
+		}
+	}
 }
 
+void Scan_folder(){
+    //List Audio and rename to use
+	musiclimit = 0;
+	DIR *dir;
+    struct dirent *ent;
+    dir = opendir("/StarDust/music");
+    while ((ent = readdir(dir)))
+    {
+        printf(ent->d_name);
+        char filename[272];
+        char destname[272];
+		musiclimit++;
+		flash_led_connect();
+		if(strlen(ent->d_name) > 6)
+		{
+			snprintf(filename, 272, "/StarDust/music/%s", ent->d_name);
+				for(int i = 0; i < 200; i ++)
+				{
+					//rename the mp3 for use 
+					snprintf(destname, 272, "/StarDust/music/%d.mp3", i);
+					if (!file_exist(destname))
+					{
+						rename(filename, destname); 
+						break;
+					}
+				}
+		}
+    }
+
+	musiclimit--;//ajust the use of 0.mp3
+	if(file_exist("StarDust/music/stop"))
+	musiclimit--;
+	if(file_exist("StarDust/music/pause"))
+	musiclimit--;
+			if (file_exist("StarDust/x.log"))
+			{
+			FILE *f;
+			f = fopen("StarDust/x.log", "w+");
+			fprintf(f,"---------------..\n");
+			fprintf(f, "music limit is %d ..\n",musiclimit);
+			fclose(f);
+			}
+    closedir(dir);
 }
 
 int main(int argc, char **argv)
@@ -124,11 +166,17 @@ int main(int argc, char **argv)
 	hidInitialize();
     mp3MutInit();
 //    pauseInit();
+
+unlink("/StarDust/music/pause");//just in case
+	audoutInitialize();
+	audoutStartAudioOut();
+	Scan_folder();
+
     if (file_exist("StarDust/music/stop"))
     {
         music = 0;
     }
-	unlink("/StarDust/music/pause");//just in case
+
 	Thread pauseThread;
     Result rc = threadCreate(&pauseThread, wakey, NULL, 0x4000, 49, 3);
     if (R_FAILED(rc))
@@ -142,6 +190,7 @@ int main(int argc, char **argv)
 	    hidScanInput();
         u64 kDown = hidKeysDown(CONTROLLER_P1_AUTO);
         u64 kHeld = hidKeysHeld(CONTROLLER_P1_AUTO);
+
 			//Stop
 			if (music == 1)
 			{
@@ -156,7 +205,7 @@ int main(int argc, char **argv)
 				}
 			}
 
-		//Pause
+		//Pause unestable
         if ((kDown & KEY_R || kDown & KEY_L || kDown & KEY_X) && (kHeld & KEY_R && kHeld & KEY_L && kHeld & KEY_X)){
 			flash_led_connect();
 			if (music == 1)
@@ -195,8 +244,7 @@ int main(int argc, char **argv)
 		if ((kDown & KEY_ZL|| kDown & KEY_L) && (kHeld & KEY_ZL && kHeld & KEY_L)){
 		flash_led_connect();
 		music = 0;
-		list--;
-		list--;
+		prevmusic = 1;
 		create_flag("StarDust/music/stop");
 		audoutStopAudioOut();
 		while (appletMainLoop()){
@@ -205,10 +253,19 @@ int main(int argc, char **argv)
 		}
 		unlink("/StarDust/music/stop");
 		audoutStartAudioOut();
+		prevmusic = 0;
 		music = 1;
 		}
 	}
 
+	if (music == 0){
+		if ((kDown & KEY_ZL || kDown & KEY_ZR || kDown & KEY_Y) && (kHeld & KEY_ZL && kHeld & KEY_ZR && kHeld & KEY_Y)){
+		flash_led_connect();
+		Scan_folder();
+		}
+	}
+
+
 	//kill service
 	if ((kDown & KEY_LSTICK || kDown & KEY_RSTICK) && (kHeld & KEY_LSTICK && kHeld & KEY_RSTICK)){
 	break;}