Presets patches

RP2040_Tracker.ino

@@ -59,7 +59,7 @@ void setup() {
   randomSeed(micros());
   
   Serial.println(F("Loading sequence."));
-  EEPROM.begin(512);
+  EEPROM.begin(4096);
   if (!loadSequence()) {
     Serial.println(F("Starting fresh instead."));
     numSteps = NUM_STEPS;

SharedState.cpp

@@ -37,7 +37,44 @@ MenuItem menuItems[] = {
       { "Theme 7", MENU_ID_THEME_7, false, false, 1 },
     { "Setup", MENU_ID_GROUP_SETUP, true, false, 0 },
       { "Channel", MENU_ID_CHANNEL, false, false, 1 },
-      { "Reset", MENU_ID_RESET, false, false, 1 }
+      { "Reset", MENU_ID_RESET, false, false, 1 },
+    { "Patches", MENU_ID_GROUP_PATCHES, true, false, 0 },
+      { "Bank 1", MENU_ID_BANK_1, true, false, 1 },
+        { "Save 1", (MenuItemID)(MENU_ID_PATCH_ACTIONS_START + 0), false, false, 2 },
+        { "Load 1", (MenuItemID)(MENU_ID_PATCH_ACTIONS_START + 1), false, false, 2 },
+        { "Save 2", (MenuItemID)(MENU_ID_PATCH_ACTIONS_START + 2), false, false, 2 },
+        { "Load 2", (MenuItemID)(MENU_ID_PATCH_ACTIONS_START + 3), false, false, 2 },
+        { "Save 3", (MenuItemID)(MENU_ID_PATCH_ACTIONS_START + 4), false, false, 2 },
+        { "Load 3", (MenuItemID)(MENU_ID_PATCH_ACTIONS_START + 5), false, false, 2 },
+        { "Save 4", (MenuItemID)(MENU_ID_PATCH_ACTIONS_START + 6), false, false, 2 },
+        { "Load 4", (MenuItemID)(MENU_ID_PATCH_ACTIONS_START + 7), false, false, 2 },
+      { "Bank 2", MENU_ID_BANK_2, true, false, 1 },
+        { "Save 1", (MenuItemID)(MENU_ID_PATCH_ACTIONS_START + 8), false, false, 2 },
+        { "Load 1", (MenuItemID)(MENU_ID_PATCH_ACTIONS_START + 9), false, false, 2 },
+        { "Save 2", (MenuItemID)(MENU_ID_PATCH_ACTIONS_START + 10), false, false, 2 },
+        { "Load 2", (MenuItemID)(MENU_ID_PATCH_ACTIONS_START + 11), false, false, 2 },
+        { "Save 3", (MenuItemID)(MENU_ID_PATCH_ACTIONS_START + 12), false, false, 2 },
+        { "Load 3", (MenuItemID)(MENU_ID_PATCH_ACTIONS_START + 13), false, false, 2 },
+        { "Save 4", (MenuItemID)(MENU_ID_PATCH_ACTIONS_START + 14), false, false, 2 },
+        { "Load 4", (MenuItemID)(MENU_ID_PATCH_ACTIONS_START + 15), false, false, 2 },
+      { "Bank 3", MENU_ID_BANK_3, true, false, 1 },
+        { "Save 1", (MenuItemID)(MENU_ID_PATCH_ACTIONS_START + 16), false, false, 2 },
+        { "Load 1", (MenuItemID)(MENU_ID_PATCH_ACTIONS_START + 17), false, false, 2 },
+        { "Save 2", (MenuItemID)(MENU_ID_PATCH_ACTIONS_START + 18), false, false, 2 },
+        { "Load 2", (MenuItemID)(MENU_ID_PATCH_ACTIONS_START + 19), false, false, 2 },
+        { "Save 3", (MenuItemID)(MENU_ID_PATCH_ACTIONS_START + 20), false, false, 2 },
+        { "Load 3", (MenuItemID)(MENU_ID_PATCH_ACTIONS_START + 21), false, false, 2 },
+        { "Save 4", (MenuItemID)(MENU_ID_PATCH_ACTIONS_START + 22), false, false, 2 },
+        { "Load 4", (MenuItemID)(MENU_ID_PATCH_ACTIONS_START + 23), false, false, 2 },
+      { "Bank 4", MENU_ID_BANK_4, true, false, 1 },
+        { "Save 1", (MenuItemID)(MENU_ID_PATCH_ACTIONS_START + 24), false, false, 2 },
+        { "Load 1", (MenuItemID)(MENU_ID_PATCH_ACTIONS_START + 25), false, false, 2 },
+        { "Save 2", (MenuItemID)(MENU_ID_PATCH_ACTIONS_START + 26), false, false, 2 },
+        { "Load 2", (MenuItemID)(MENU_ID_PATCH_ACTIONS_START + 27), false, false, 2 },
+        { "Save 3", (MenuItemID)(MENU_ID_PATCH_ACTIONS_START + 28), false, false, 2 },
+        { "Load 3", (MenuItemID)(MENU_ID_PATCH_ACTIONS_START + 29), false, false, 2 },
+        { "Save 4", (MenuItemID)(MENU_ID_PATCH_ACTIONS_START + 30), false, false, 2 },
+        { "Load 4", (MenuItemID)(MENU_ID_PATCH_ACTIONS_START + 31), false, false, 2 }
 };
 extern const int menuItemsCount = sizeof(menuItems) / sizeof(MenuItem);
 

SharedState.h

@@ -38,7 +38,14 @@ enum MenuItemID {
     
     MENU_ID_GROUP_SETUP,
     MENU_ID_CHANNEL,
-    MENU_ID_RESET
+    MENU_ID_RESET,
+
+    MENU_ID_GROUP_PATCHES,
+    MENU_ID_BANK_1,
+    MENU_ID_BANK_2,
+    MENU_ID_BANK_3,
+    MENU_ID_BANK_4,
+    MENU_ID_PATCH_ACTIONS_START
 };
 
 struct MenuItem {

UIThread.cpp

@@ -24,6 +24,8 @@ static void drawUI();
 static void updateLeds();
 static void generateTrackData(int track, int themeType, Step (*target)[NUM_STEPS]);
 static void generateSequenceData(int themeType, Step (*target)[NUM_STEPS]);
+static void savePatch(int bank, int slot);
+static void loadPatch(int bank, int slot);
 
 void saveSequence(bool quiet) {
   midi.lock();
@@ -86,6 +88,57 @@ bool loadSequence() {
   return true;
 }
 
+static void savePatch(int bank, int slot) {
+    int patchIndex = bank * 4 + slot;
+    int addr = 512 + patchIndex * 128; // Start after main save, 128 bytes per patch
+    
+    midi.lock();
+    EEPROM.put(addr, numScaleNotes); addr += sizeof(numScaleNotes);
+    for (int i = 0; i < 12; i++) {
+        EEPROM.put(addr, scaleNotes[i]); addr += sizeof(int);
+    }
+    EEPROM.put(addr, currentStrategyIndices); addr += sizeof(currentStrategyIndices);
+    EEPROM.put(addr, melodySeeds); addr += sizeof(melodySeeds);
+    EEPROM.put(addr, (int)numSteps); addr += sizeof(int);
+    bool mutes[NUM_TRACKS];
+    for(int i=0; i<NUM_TRACKS; i++) mutes[i] = trackMute[i];
+    EEPROM.put(addr, mutes); addr += sizeof(mutes);
+    midi.unlock();
+    EEPROM.commit();
+    ui.showMessage("PATCH SAVED!");
+}
+
+static void loadPatch(int bank, int slot) {
+    int patchIndex = bank * 4 + slot;
+    int addr = 512 + patchIndex * 128;
+
+    midi.lock();
+    EEPROM.get(addr, numScaleNotes); addr += sizeof(numScaleNotes);
+    for (int i = 0; i < 12; i++) {
+        EEPROM.get(addr, scaleNotes[i]); addr += sizeof(int);
+    }
+    EEPROM.get(addr, currentStrategyIndices); addr += sizeof(currentStrategyIndices);
+    EEPROM.get(addr, melodySeeds); addr += sizeof(melodySeeds);
+    int t;
+    EEPROM.get(addr, t); addr += sizeof(int);
+    numSteps = t;
+    if (numSteps <= 0 || numSteps >= NUM_STEPS) numSteps = NUM_STEPS;
+    
+    bool mutes[NUM_TRACKS];
+    EEPROM.get(addr, mutes); addr += sizeof(mutes);
+    for(int i=0; i<NUM_TRACKS; i++) trackMute[i] = mutes[i];
+    
+    if (isPlaying) {
+        generateSequenceData(currentThemeIndex, nextSequence);
+        sequenceChangeScheduled = true;
+    } else {
+        generateSequenceData(currentThemeIndex, local_sequence);
+        memcpy(sequence, local_sequence, sizeof(local_sequence));
+    }
+    midi.unlock();
+    ui.showMessage("PATCH LOADED!");
+}
+
 void factoryReset() {
   ui.showMessage("RESETTING...");
   uint32_t magic = 0;
@@ -312,6 +365,15 @@ static void handleInput() {
                 }
                 break; 
               }
+              if (menuItems[menuSelection].id >= MENU_ID_PATCH_ACTIONS_START) {
+                  int offset = menuItems[menuSelection].id - MENU_ID_PATCH_ACTIONS_START;
+                  int bank = offset / 8;
+                  int slot = (offset % 8) / 2;
+                  bool isSave = (offset % 2) == 0;
+                  if (isSave) savePatch(bank, slot);
+                  else loadPatch(bank, slot);
+                  break;
+              }
               break;
               }
               break;