Added simple functions for changing sounds, bankd and volume.

MIDITESTER.ino

@@ -14,8 +14,8 @@
 #define TEST_DUR_MIN 200
 #define TEST_DUR_MAX 1500
 
-#define MASTER_KEY_MIDI    MIDI_C6
-#define MASTER_NUM1        MIDI_C1
+#define MASTER_KEY_MIDI    MIDI_C7
+#define MASTER_NUM1        MIDI_C2
 
 class midi_event {
   public:
@@ -41,62 +41,29 @@ void setup()
 
   randomSeed(analogRead(A0));
 
-  /*
-    // Sound change 17
-    MIDI.sendNoteOn(MASTER_KEY_MIDI, 99, 1);
-    delay(500);
-    MIDI.sendNoteOn(MIDI_E3, 66, 1);
-    delay(500);
-    MIDI.sendNoteOff(MIDI_E3, 0, 1);
-    delay(500);
-    MIDI.sendNoteOff(MASTER_KEY_MIDI, 0, 1);
+  // Bank change 1
+  change_bank(1);
+  delay(2000);
   
+  // Sound change 17
+  change_sound(17);
   delay(2000);
 
   // Volume change 0.5
-    MIDI.sendNoteOn(MASTER_KEY_MIDI, 99, 1);
-    delay(500);
-    MIDI.sendNoteOn(MIDI_AIS1, 66, 1);
-    delay(500);
-    MIDI.sendNoteOff(MIDI_AIS1, 0, 1);
-    delay(500);
-    MIDI.sendNoteOff(MASTER_KEY_MIDI, 0, 1);
-
+  change_volume(5);
   delay(2000);
 
   // Bank change 3
-    MIDI.sendNoteOn(MASTER_KEY_MIDI, 99, 1);
-    delay(500);
-    MIDI.sendNoteOn(MIDI_FIS3, 66, 1);
-    delay(500);
-    MIDI.sendNoteOff(MIDI_FIS3, 0, 1);
-    delay(500);
-    MIDI.sendNoteOff(MASTER_KEY_MIDI, 0, 1);
-
+  change_bank(3);
   delay(2000);
 
   // Sound change 17
-    MIDI.sendNoteOn(MASTER_KEY_MIDI, 99, 1);
-    delay(500);
-    MIDI.sendNoteOn(MIDI_E3, 66, 1);
-    delay(500);
-    MIDI.sendNoteOff(MIDI_E3, 0, 1);
-    delay(500);
-    MIDI.sendNoteOff(MASTER_KEY_MIDI, 0, 1);
-
+  change_sound(17);
   delay(2000);
 
   // Volume change 0.1
-    MIDI.sendNoteOn(MASTER_KEY_MIDI, 99, 1);
-    delay(500);
-    MIDI.sendNoteOn(MIDI_DIS1, 66, 1);
-    delay(500);
-    MIDI.sendNoteOff(MIDI_DIS1, 0, 1);
-    delay(500);
-    MIDI.sendNoteOff(MASTER_KEY_MIDI, 0, 1);
-
+  change_volume(1);
   delay(5000);
-  */
 }
 
 void loop()
@@ -130,6 +97,104 @@ void sendMIDI(int8_t note, int8_t vel, int8_t chan, uint32_t dur)
     Serial.println();*/
 }
 
+void change_sound(uint8_t sound)
+{
+  uint8_t sound_key = base_c_num_key(sound);
+
+  MIDI.sendNoteOn(MASTER_KEY_MIDI, 99, 1);
+  delay(500);
+  MIDI.sendNoteOn(sound_key, 66, 1);
+  delay(500);
+  MIDI.sendNoteOff(sound_key, 0, 1);
+  delay(500);
+  MIDI.sendNoteOff(MASTER_KEY_MIDI, 0, 1);
+}
+
+void change_volume(uint8_t volume)
+{
+  uint8_t volume_key = base_c_num_key(volume*-1);
+
+  MIDI.sendNoteOn(MASTER_KEY_MIDI, 99, 1);
+  delay(500);
+  MIDI.sendNoteOn(volume_key, 66, 1);
+  delay(500);
+  MIDI.sendNoteOff(volume_key, 0, 1);
+  delay(500);
+  MIDI.sendNoteOff(MASTER_KEY_MIDI, 0, 1);
+}
+
+void change_bank(uint8_t bank)
+{
+  uint8_t bank_key = base_c_num_key(bank*-1)+24;
+
+  MIDI.sendNoteOn(MASTER_KEY_MIDI, 99, 1);
+  delay(500);
+  MIDI.sendNoteOn(bank_key, 66, 1);
+  delay(500);
+  MIDI.sendNoteOff(bank_key, 0, 1);
+  delay(500);
+  MIDI.sendNoteOff(MASTER_KEY_MIDI, 0, 1);
+}
+
+uint8_t base_c_num_key(int8_t number)
+{
+  uint8_t base_c = 0;
+
+  if (number < 0)
+  {
+    number = abs(number)-1;
+    base_c = int(number / 5) * 12 + MASTER_NUM1;
+    switch (number % 5)
+    {
+      case 0:
+        base_c += 1;
+        break;
+      case 1:
+        base_c += 3;
+        break;
+      case 2:
+        base_c += 6;
+        break;
+      case 3:
+        base_c += 8;
+        break;
+      case 4:
+        base_c += 10;
+        break;
+    }
+  }
+  else
+  {
+    number -= 1;
+    base_c = (int(number / 7) * 12) + MASTER_NUM1;
+    switch (number % 7)
+    {
+      case 0:
+        base_c += 0;
+        break;
+      case 1:
+        base_c += 2;
+        break;
+      case 2:
+        base_c += 4;
+        break;
+      case 3:
+        base_c += 5;
+        break;
+      case 4:
+        base_c += 7;
+        break;
+      case 5:
+        base_c += 9;
+        break;
+      case 6:
+        base_c += 11;
+        break;
+    }
+  }
+
+  return (base_c);
+}
 void ledDecay(void)
 {
   digitalWrite(LED, LOW);