Added MIDI learning for drum note, highest/lowest note (Dexed engines).

MicroDexed.ino

@@ -343,6 +343,7 @@ FLASHMEM void create_audio_drum_chain(uint8_t instance_id) {
 }
 #endif
 
+// other global vars
 uint8_t sd_card = 0;
 Sd2Card card;
 SdVolume volume;
@@ -360,6 +361,7 @@ uint8_t midi_voices[NUM_DEXED];
 #ifdef SHOW_CPU_LOAD_MSEC
 elapsedMillis cpu_mem_millis;
 #endif
+uint8_t* midi_learn_var = NULL;
 uint32_t cpumax = 0;
 uint32_t peak_dexed = 0;
 float peak_dexed_value = 0.0;
@@ -903,6 +905,17 @@ void init_MIDI_send_CC(void) {
   MIDI MESSAGE HANDLER
 ******************************************************************************/
 void handleNoteOn(byte inChannel, byte inNumber, byte inVelocity) {
+  // check for MIDI learn mode
+  if (midi_learn_var != NULL) {
+    *midi_learn_var = inNumber;
+    if (LCDML.FUNC_getID() != LCDML.OTHER_getIDFromFunction(UI_func_drum_midi_note))
+      LCDML.OTHER_jumpToFunc(UI_func_drum_midi_note);
+    else if (LCDML.FUNC_getID() != LCDML.OTHER_getIDFromFunction(UI_func_lowest_note))
+      LCDML.OTHER_jumpToFunc(UI_func_lowest_note);
+    else if (LCDML.FUNC_getID() != LCDML.OTHER_getIDFromFunction(UI_func_highest_note))
+      LCDML.OTHER_jumpToFunc(UI_func_highest_note);
+  }
+
   // Check for MicroDexed
   for (uint8_t instance_id = 0; instance_id < NUM_DEXED; instance_id++) {
     if (checkMidiChannel(inChannel, instance_id)) {

UI.hpp

@@ -55,6 +55,7 @@
 #define _LCDML_DISP_cfg_scrollbar 1  // enable a scrollbar
 
 extern bool check_sd_performance_exists(uint8_t number);
+extern uint8_t* midi_learn_var;
 
 extern config_t configuration;
 extern void set_volume(uint8_t v, uint8_t m);
@@ -333,6 +334,11 @@ void UI_func_epiano_chorus_frequency(uint8_t param);
 void UI_func_epiano_chorus_waveform(uint8_t param);
 void UI_func_epiano_chorus_depth(uint8_t param);
 void UI_func_epiano_chorus_level(uint8_t param);
+void UI_func_drums_main_volume(uint8_t param);
+void UI_func_drum_volume(uint8_t param);
+void UI_func_drum_pan(uint8_t param);
+void UI_func_drum_pitch(uint8_t param);
+void UI_func_drum_midi_note(uint8_t param);
 void UI_update_instance_icons();
 bool UI_select_name(uint8_t y, uint8_t x, char* edit_string, uint8_t len, bool init);
 uint8_t search_accepted_char(uint8_t c);
@@ -356,11 +362,6 @@ void locate_previous_favorite();
 void locate_next_favorite();
 void locate_next_non_favorite();
 void locate_random_non_favorite();
-void UI_func_drums_main_volume(uint8_t param);
-void UI_func_drum_volume(uint8_t param);
-void UI_func_drum_pan(uint8_t param);
-void UI_func_drum_pitch(uint8_t param);
-void UI_func_drum_midi_note(uint8_t param);
 
 char* basename(const char* filename);
 char* strip_extension(char* filename);
@@ -1759,6 +1760,8 @@ void UI_func_lowest_note(uint8_t param) {
 
     lcd_active_instance_number(selected_instance_id);
     UI_update_instance_icons();
+
+    midi_learn_var = &configuration.dexed[selected_instance_id].lowest_note;
   }
 
   if (LCDML.FUNC_loop())  // ****** LOOP *********
@@ -1786,6 +1789,7 @@ void UI_func_lowest_note(uint8_t param) {
   {
     lcd_special_chars(SCROLLBAR);
     encoderDir[ENC_R].reset();
+    midi_learn_var = NULL;
   }
 }
 
@@ -1806,6 +1810,7 @@ void UI_func_highest_note(uint8_t param) {
 
     lcd_active_instance_number(selected_instance_id);
     UI_update_instance_icons();
+    midi_learn_var = &configuration.dexed[selected_instance_id].highest_note;
   }
 
   if (LCDML.FUNC_loop())  // ****** LOOP *********
@@ -1833,6 +1838,7 @@ void UI_func_highest_note(uint8_t param) {
   {
     lcd_special_chars(SCROLLBAR);
     encoderDir[ENC_R].reset();
+    midi_learn_var = NULL;
   }
 }
 
@@ -4327,6 +4333,7 @@ void UI_func_drum_midi_note(uint8_t param) {
     display.setCursor(0, 0);
     display.print("Drum MIDI Note");
     _UI_func_drum_midi_note_display(mode);
+    midi_learn_var = &configuration.drums.drum_midi_note[activesample];
   }
 
   if (LCDML.FUNC_loop())  // ****** LOOP *********
@@ -4357,6 +4364,7 @@ void UI_func_drum_midi_note(uint8_t param) {
   if (LCDML.FUNC_close())  // ****** STABLE END *********
   {
     encoderDir[ENC_R].reset();
+    midi_learn_var = NULL;
   }
 }