fix crash after few hours of reading

fix a crash of audio reading after a couple of hours
gathered ambient and wait loops in one single stereo file to reduce
number of files read to two
This ran 4 days without crash, seems to fix the bug

I_Mihalache_AudioPlayer.ino

@@ -25,18 +25,37 @@
  * 
  * SdWav3 : sample ambiance       -> mix2 -> Rout  & RMS2
  */
+//// GUItool: begin automatically generated code
+//AudioPlaySdWav           LoopPlayer;     //xy=152,429   LOOP
+//AudioPlaySdWav           PresencePlayer;     //xy=153,217   PRESENCE
+//AudioPlaySdWav           WaitPlayer;     //xy=155,307   WAIT
+//AudioMixer4              mixer1;         //xy=572,215
+//AudioMixer4              mixer2;         //xy=579,344
+//AudioAnalyzeRMS          rms1;           //xy=875,315
+//AudioOutputI2S           i2s1;           //xy=876,225
+//AudioAnalyzeRMS          rms2;           //xy=876,365
+//AudioConnection          patchCord1(LoopPlayer, 0, mixer2, 0);
+//AudioConnection          patchCord2(PresencePlayer, 0, mixer1, 0);
+//AudioConnection          patchCord3(WaitPlayer, 0, mixer1, 1);
+//AudioConnection          patchCord4(mixer1, 0, i2s1, 0);
+//AudioConnection          patchCord5(mixer1, rms1);
+//AudioConnection          patchCord6(mixer2, 0, i2s1, 1);
+//AudioConnection          patchCord7(mixer2, rms2);
+//AudioControlSGTL5000     sgtl5000_1;     //xy=573,537
+//// GUItool: end automatically generated code
+
+
 // GUItool: begin automatically generated code
-AudioPlaySdWav           LoopPlayer;     //xy=152,429   LOOP
-AudioPlaySdWav           PresencePlayer;     //xy=153,217   PRESENCE
-AudioPlaySdWav           WaitPlayer;     //xy=155,307   WAIT
+AudioPlaySdWav           LoopPlayer;     //xy=153,217
+AudioPlaySdWav           PresencePlayer;     //xy=155,307
 AudioMixer4              mixer1;         //xy=572,215
 AudioMixer4              mixer2;         //xy=579,344
 AudioAnalyzeRMS          rms1;           //xy=875,315
 AudioOutputI2S           i2s1;           //xy=876,225
 AudioAnalyzeRMS          rms2;           //xy=876,365
-AudioConnection          patchCord1(LoopPlayer, 0, mixer2, 0);
-AudioConnection          patchCord2(PresencePlayer, 0, mixer1, 0);
-AudioConnection          patchCord3(WaitPlayer, 0, mixer1, 1);
+AudioConnection          patchCord1(PresencePlayer, 0, mixer1, 0);
+AudioConnection          patchCord2(LoopPlayer, 0, mixer1, 1);
+AudioConnection          patchCord3(LoopPlayer, 1, mixer2, 0);
 AudioConnection          patchCord4(mixer1, 0, i2s1, 0);
 AudioConnection          patchCord5(mixer1, rms1);
 AudioConnection          patchCord6(mixer2, 0, i2s1, 1);
@@ -52,7 +71,7 @@ Metro checkUDP = Metro(1000);
 Metro checkESPserial = Metro(50);
 Metro sendRMS = Metro(50);
 
-#define LOOP_WAV "LOOP.WAV"
+#define LOOP_WAV "LOOP2.WAV"
 #define PRESENCE_WAV "PRESENCE.WAV"
 #define WAIT_WAV "WAIT.WAV"
 
@@ -128,7 +147,7 @@ void setup() {
   configFile.close();  
   Serial.println("Playing LOOP and WAIT file");
   LoopPlayer.play(LOOP_WAV);
-  WaitPlayer.play(WAIT_WAV);
+  //WaitPlayer.play(WAIT_WAV);
 
   // A brief delay for the library read WAV info
   delay(10); 
@@ -260,8 +279,8 @@ void loop() {
     // A brief delay for the library read WAV info
     delay(10); 
     // also restarts WAIT file
-    WaitPlayer.play(WAIT_WAV);
-    delay(10);
+//    WaitPlayer.play(WAIT_WAV);
+//    delay(10);
   }
   if (presence) {
       LastPresence = millis() ;
@@ -269,12 +288,12 @@ void loop() {
         PresencePlayer.play(PRESENCE_WAV);
         delay(10);
       }
-  if ( (millis() - LastPresence > WAIT_TIME) && !WaitPlayer.isPlaying() && !PresencePlayer.isPlaying()) {
-      
-      mixer1.gain (1, 1.0);
-      Serial.println("Fading up wait file");
-      delay(10);
-    }
+//  if ( (millis() - LastPresence > WAIT_TIME) && !WaitPlayer.isPlaying() && !PresencePlayer.isPlaying()) {
+//      
+//      mixer1.gain (1, 1.0);
+//      Serial.println("Fading up wait file");
+//      delay(10);
+//    }
 
   
   }
@@ -323,7 +342,7 @@ void Presence() {
 
   if (!PresencePlayer.isPlaying()) {
     //stop WAIT_WAV if playing
-    if (WaitPlayer.isPlaying()) {
+    if (1){//WaitPlayer.isPlaying()) {
         //fade out WaitPlayer
         Serial.println("Fade out Wait file");
         for (float fadeRamp ; fadeRamp < 100 ; fadeRamp++ ) {