Small fixes for drum midi note learning.

MicroDexed.ino

@@ -338,6 +338,7 @@ int perform_release_mod[NUM_DEXED] = { 0, 0 };
 int16_t* delayline[NUM_DEXED];
 int16_t* ep_delayline_r;
 int16_t* ep_delayline_l;
+uint8_t midinote_old[NUM_DRUMSET_CONFIG];
 
 #if NUM_DRUMS > 0
 //extern drum_config_t drum_config[NUM_DRUMSET_CONFIG];
@@ -2237,8 +2238,10 @@ int8_t handle_midi_learn(int8_t note) {
     LCDML.OTHER_jumpToFunc(UI_func_drum_vol_min_max);
   } else if (LCDML.FUNC_getID() == LCDML.OTHER_getIDFromFunction(UI_func_drum_midi_note)) {
     ret_channel = configuration.drums.midi_channel;
-    if (midi_learn_mode & 0x80)
+    if (midi_learn_mode & 0x80) {
+      configuration.drums.midinote[active_sample] = midinote_old[active_sample];
       active_sample = get_drums_id_by_note(note);
+    } else configuration.drums.midinote[active_sample] = note;
     midi_learn_mode |= note;
     LCDML.OTHER_jumpToFunc(UI_func_drum_midi_note);
   } else if (LCDML.FUNC_getID() == LCDML.OTHER_getIDFromFunction(UI_func_drum_pitch)) {

UI.hpp

@@ -132,6 +132,7 @@ extern uint8_t midi_bpm;
 extern bool save_sys_flag;
 extern elapsedMillis save_sys;
 extern bool save_sys_flag;
+extern uint8_t midinote_old[NUM_DRUMSET_CONFIG];
 
 /***********************************************************************
    GLOBAL
@@ -4427,7 +4428,6 @@ void UI_func_drum_midi_note(uint8_t param) {
   }
 #else
   static bool display_name;
-  static uint8_t midinote_old[NUM_DRUMSET_CONFIG];
   static int8_t ask_before_quit_mode;
 
   char tmp_val[4];
@@ -4441,7 +4441,7 @@ void UI_func_drum_midi_note(uint8_t param) {
       midinote_old[i] = configuration.drums.midinote[i];
 
     if (display_name)
-      midi_learn_mode = MIDI_LEARN_MODE_ON| 0x80;
+      midi_learn_mode = MIDI_LEARN_MODE_ON | 0x80;
     else
       midi_learn_mode = MIDI_LEARN_MODE_ON;
 
@@ -4488,8 +4488,10 @@ void UI_func_drum_midi_note(uint8_t param) {
           LCDML.loop_menu();
         } else {
           if (display_name == true) {
-            if (active_sample < NUM_DRUMSET_CONFIG - 2)
+            if (active_sample < NUM_DRUMSET_CONFIG - 2) {
+              configuration.drums.midinote[active_sample] = midinote_old[active_sample];
               active_sample++;
+            }
           } else
             configuration.drums.midinote[active_sample] = constrain(configuration.drums.midinote[active_sample] + ENCODER[ENC_L].speed(), DRUMS_MIDI_NOTE_MIN, DRUMS_MIDI_NOTE_MAX);
         }
@@ -4504,8 +4506,10 @@ void UI_func_drum_midi_note(uint8_t param) {
           LCDML.loop_menu();
         } else {
           if (display_name == true) {
-            if (active_sample > 0)
+            if (active_sample > 0) {
+              configuration.drums.midinote[active_sample] = midinote_old[active_sample];
               active_sample--;
+            }
           } else
             configuration.drums.midinote[active_sample] = constrain(configuration.drums.midinote[active_sample] - ENCODER[ENC_L].speed(), DRUMS_MIDI_NOTE_MIN, DRUMS_MIDI_NOTE_MAX);
         }
@@ -4533,11 +4537,10 @@ void UI_func_drum_midi_note(uint8_t param) {
             LCDML.OTHER_updateFunc();
             LCDML.loop_menu();
           }
-        } else {
+        } else
           display_name = !display_name;
       }
     }
-    }
 
     if (ask_before_quit_mode < 0) {
       getNoteName(tmp_val, configuration.drums.midinote[active_sample]);