 
 
 // iterates through al files in an album directory and calls playTrack for each track number iteratively
-static char playAlbum(char numberOfFiles) {
+static char playAlbum(uint8_t numberOfFiles) {
   boolean loopWarningMessageFileNotFound = true;// make sure   file not found               warning message is shown at least once
   
   #ifdef DEBUG

    
    // every ten seconds we do some checks
    if ((millis()-checkTime) > checkInterval) {
      // check if we shall still fade the info light - depends on max light time and light startup time and also on the light button state
      #ifdef OPRLIGHTTIME
        if (((millis()-lightStartUpTime) > maxLightTime) && lightOn) {


// uncomment the next line to enable resuming the last played album on switch on
// this is achieved via a special file on the SD card and works without a tag but uses the pause/resume button instead
//#define RESUMELAST 1



