Fixed and optimized simple UI handling.

MicroDexed.ino

@@ -47,7 +47,7 @@ int32_t enc_val[2] = {INITIAL_ENC_L_VALUE, INITIAL_ENC_R_VALUE};
 Bounce but[2] = {Bounce(BUT_L_PIN, BUT_DEBOUNCE_MS), Bounce(BUT_R_PIN, BUT_DEBOUNCE_MS)};
 elapsedMillis master_timer;
 uint8_t ui_state = UI_MAIN;
-uint8_t ui_main_state = UI_MAIN_VOICE_SELECTED;
+uint8_t ui_main_state = UI_MAIN_VOICE;
 #endif
 
 // GUItool: begin automatically generated code
@@ -250,6 +250,7 @@ void setup()
 #endif
 
 #ifdef I2C_DISPLAY
+  lcd.clear();
   ui_show_main();
 #endif
   

UI.cpp

@@ -38,6 +38,7 @@ void handle_ui(void)
 {
   if (ui_back_to_main >= UI_AUTO_BACK_MS && ui_state != UI_MAIN)
   {
+    lcd.clear();
     ui_show_main();
     EEPROM.update(EEPROM_OFFSET + EEPROM_MASTER_VOLUME_ADDR, uint8_t(vol * UCHAR_MAX));
     EEPROM.update(EEPROM_OFFSET + EEPROM_VOLUME_RIGHT_ADDR, uint8_t(vol_right * UCHAR_MAX));
@@ -58,15 +59,12 @@ void handle_ui(void)
           switch (ui_main_state)
           {
             case UI_MAIN_BANK:
+            case UI_MAIN_BANK_SELECTED:
               ui_main_state = UI_MAIN_VOICE;
               enc[1].write(voice);
               enc_val[1] = enc[1].read();
               break;
             case UI_MAIN_VOICE:
-              ui_main_state = UI_MAIN_VOICE_SELECTED;
-              enc[1].write(voice);
-              enc_val[1] = enc[1].read();
-              break;
             case UI_MAIN_VOICE_SELECTED:
               ui_main_state = UI_MAIN_BANK;
               enc[1].write(bank);
@@ -75,11 +73,14 @@ void handle_ui(void)
           }
           break;
         case 1: // right button pressed
-          ui_main_state = UI_MAIN_VOICE_SELECTED;
+          if (ui_main_state == UI_MAIN_VOICE_SELECTED)
+          {
+            ui_main_state = UI_MAIN_VOICE;
             load_sysex(bank, voice);
             EEPROM.update(EEPROM_OFFSET + EEPROM_BANK_ADDR, bank);
             EEPROM.update(EEPROM_OFFSET + EEPROM_VOICE_ADDR, voice);
             update_eeprom_checksum();
+          }
           break;
       }
       ui_show_main();
@@ -107,35 +108,25 @@ void handle_ui(void)
           switch (ui_main_state)
           {
             case UI_MAIN_BANK:
+              ui_main_state = UI_MAIN_BANK_SELECTED;
+            case UI_MAIN_BANK_SELECTED:
               if (enc[i].read() <= 0)
                 enc[i].write(0);
-              else if (enc[i].read() > max_loaded_banks-1)
+              else if (enc[i].read() > max_loaded_banks - 1)
-                enc[i].write(max_loaded_banks-1);
+                enc[i].write(max_loaded_banks - 1);
               bank = enc[i].read();
-              if (!get_voice_names_from_bank(bank))
-              {
-                bank--;
-                enc[i].write(bank);
               get_voice_names_from_bank(bank);
-              }
               break;
             case UI_MAIN_VOICE:
-              if (enc[i].read() <= 0)
+              ui_main_state = UI_MAIN_VOICE_SELECTED;
-                enc[i].write(0);
-              else if (enc[i].read() > MAX_VOICES-1)
-                enc[i].write(MAX_VOICES-1);
-              voice = enc[i].read();
-              break;
             case UI_MAIN_VOICE_SELECTED:
-              ui_main_state = UI_MAIN_VOICE;
               if (enc[i].read() <= 0)
                 enc[i].write(0);
-              else if (enc[i].read() >= MAX_VOICES-1)
+              else if (enc[i].read() > MAX_VOICES - 1)
-                enc[i].write(MAX_VOICES);
+                enc[i].write(MAX_VOICES - 1);
               voice = enc[i].read();
               break;
           }
-          get_voice_names_from_bank(bank);
           ui_show_main();
           break;
       }
@@ -154,7 +145,6 @@ void ui_show_main(void)
 {
   ui_state = UI_MAIN;
 
-  lcd.clear();
   lcd.show(0, 0, 2, bank + 1);
   lcd.show(0, 2, 1, " ");
   strip_extension(bank_names[bank], bank_name);
@@ -165,25 +155,39 @@ void ui_show_main(void)
     lcd.show(0, 3, 10, bank_name);
     lcd.show(0, 14, 1, "]");
   }
+  else if (ui_main_state == UI_MAIN_BANK_SELECTED)
+  {
+    lcd.show(0, 2, 1, "<");
+    lcd.show(0, 3, 10, bank_name);
+    lcd.show(0, 14, 1, ">");
+  }
   else
+  {
+    lcd.show(0, 2, 1, " ");
     lcd.show(0, 3, 10, bank_name);
+    lcd.show(0, 14, 1, " ");
+  }
 
   lcd.show(1, 0, 2, voice + 1);
   lcd.show(1, 2, 1, " ");
   if (ui_main_state == UI_MAIN_VOICE)
   {
-    lcd.show(1, 2, 1, "<");
+    lcd.show(1, 2, 1, "[");
     lcd.show(1, 3, 10, voice_names[voice]);
-    lcd.show(1, 14, 1, ">");
+    lcd.show(1, 14, 1, "]");
   }
   else if (ui_main_state == UI_MAIN_VOICE_SELECTED)
   {
-    lcd.show(1, 2, 1, "[");
+    lcd.show(1, 2, 1, "<");
     lcd.show(1, 3, 10, voice_names[voice]);
-    lcd.show(1, 14, 1, "]");
+    lcd.show(1, 14, 1, ">");
   }
   else
+  {
+    lcd.show(1, 2, 1, " ");
     lcd.show(1, 3, 10, voice_names[voice]);
+    lcd.show(1, 14, 1, " ");
+  }
 }
 
 void ui_show_volume(void)

UI.h

@@ -54,7 +54,7 @@ void ui_show_main(void);
 void ui_show_volume(void);
 
 enum ui_states {UI_MAIN, UI_VOLUME};
-enum ui_main_states {UI_MAIN_BANK, UI_MAIN_VOICE, UI_MAIN_VOICE_SELECTED};
+enum ui_main_states {UI_MAIN_BANK, UI_MAIN_VOICE, UI_MAIN_BANK_SELECTED, UI_MAIN_VOICE_SELECTED};
 
 class MyEncoder : public Encoder
 {

config.h

@@ -33,6 +33,7 @@
 #define CONFIG_H_INCLUDED
 
 // Initial values
+#define VERSION 1.0
 #define MIDI_DEVICE Serial1
 #define USE_ONBOARD_USB_HOST 1
 #define TEENSY_AUDIO_BOARD 1

dexed_sysex.cpp

@@ -253,7 +253,7 @@ bool load_sysex(uint8_t b, uint8_t v)
       Serial.print(sysex_file_name);
       Serial.print(F(" ["));
       Serial.print(voice_names[v]);
-      Serial.println(F(" ["));
+      Serial.println(F("]"));
 #endif
       return (dexed->loadSysexVoice(data));
     }