Diff: main.cpp

Revision:

10:a259a4a70210

Parent:

9:97abd5e954f1

Child:

11:951bbb0385aa

--- a/main.cpp	Fri Dec 04 07:32:34 2020 +0000
+++ b/main.cpp	Fri Dec 04 17:17:17 2020 +0000
@@ -27,6 +27,7 @@
 int song_data_length;
 const unsigned short *song_data;
 bool play = false;
+bool song_selected = false;
 
 
 // delete later
@@ -114,11 +115,10 @@
     float freq = 0;
     matrix.begin(0x70);
 
-
-    //  for (int a = 0; a < 64; a++) {
         
     
-
+    //calculates FFT value of passed in array
+    //Value scaled down by 4 for visualization
     freq = sample[1]/4;
 
 
@@ -149,7 +149,7 @@
                 }
             }
             matrix.writeDisplay();
-            Thread::wait(50);
+            Thread::wait(10);
             //wait(.15);
             break;
 
@@ -163,7 +163,7 @@
                 }
             }
             matrix.writeDisplay();
-            Thread::wait(50);
+            Thread::wait(10);
             //wait(.15);
 
 
@@ -178,7 +178,7 @@
                 }
             }
             matrix.writeDisplay();
-            Thread::wait(50);
+            Thread::wait(10);
             //wait(.15);
             break;
 
@@ -192,7 +192,7 @@
                 }
             }
             matrix.writeDisplay();
-            Thread::wait(50);
+            Thread::wait(10);
             break;
 
         case(5): // CASE OFF
@@ -205,7 +205,7 @@
                 }
             }
             matrix.writeDisplay();
-            Thread::wait(50);
+            Thread::wait(10);
             //wait(.15);
             break;
 
@@ -213,9 +213,6 @@
             break;
     }
 
-    //}
-
-    //pc.printf("done");
 
 }
 
@@ -223,9 +220,12 @@
 void display_thread(void const* args)
 {
     while(1) {
-
+        
+        //Buffer which will hold 64 values
         float buffer[BUFFER_SIZE];
+        //index for iteratiing through buffer
         int buffer_index = 0;
+        //index for iterating through song array
         int song_array_index = 0;
         if(play) {
             //int num_elements = NUM_ELEMENTS_AROUND_THE_WORLD;
@@ -260,13 +260,17 @@
         // string song_title = "/sd/" + "" + ".wav";
 
 
-        if(play == true) {
+        if(play == true && song_selected == true) {
             speaker_lock.lock();
             FILE *wave_file;
             dir = "/sd/" + song + ".wav";
 
             file_lock.lock();
             wave_file=fopen(dir.c_str(),"r");
+            if(wave_file == NULL)
+            {
+                pc.printf("Error opening music file\n");
+                }
             file_lock.unlock();
 
             waver.play(wave_file);
@@ -303,31 +307,46 @@
         if (pc.getc() == '!') {
             c = pc.getc();
             switch(c) {
+                /*
                 case '1':
                     song = "africa-toto";
 
                     break;
+                */
                 case '2':
                     song = "around_the_world-atc";
                     song_data_length = NUM_ELEMENTS_AROUND_THE_WORLD;
                     song_data = data_around_the_world;
+                    song_selected = true;
+                    //play = true;
                     break;
+                    
+                /*
                 case '3':
                     song = "beautiful_life-ace_of_base";
                     break;
+                */
+                
+                
                 case '4':
                     song = "dont_speak-no_doubt";
                     song_data_length = NUM_ELEMENTS_DONT_SPEAK_NO_DOUBT;
                     song_data = data_dont_speak_no_doubt;
+                    song_selected = true;
                     break;
                 case '5':
                     song = "my-love";
                     song_data_length = NUM_ELEMENTS_MY_LOVE;
                     song_data = data_my_love;
+                    song_selected = true;
                     break;
+                
+                /*
                 case '6':
                     song = "Song1_test";
                     break;
+                */
+                
                 case 'P':
                     // wave_player plays
                     play = true;