Everything is saved into EEPROM (including sequences) on change, no need to press play/stop

Software/Gravity/Gravity.ino

@@ -85,7 +85,7 @@ bool seqB8[16] = {1, 1, 0, 0, 1, 1, 0, 0, 1, 1, 0, 0, 1, 1, 0, 0};
 bool *currentSeq;
 byte currentStep = 0;
 
-byte memCode = 'A'; //Change to different letter if you changed the data structure
+byte memCode = 'a'; //Change to different letter if you changed the data structure
 
 unsigned int channelPulseCount[6];
 unsigned int channelPulsesPerCycle[6];
@@ -108,9 +108,12 @@ byte displayTab = 0;
 bool insideTab = false;
 byte menuItem = 0;
 byte lastMenuItem = 3;
+byte displayScreen = 0; //0 - main, 1 - sequencer, 2 - settings
+
 bool playBtnPushed = false;
 bool shiftBtnPushed = false;
 
+
 int a1Input = 0;
 int a2Input = 0;
 
@@ -161,6 +164,38 @@ void setup() {
     EEPROM.get(addr, masterClockMode);
     addr = addr + sizeof(masterClockMode);
     EEPROM.get(addr, channels);
+    addr = addr + sizeof(channels);
+    EEPROM.get(addr, seqA1);
+    addr = addr + sizeof(seqA1);
+    EEPROM.get(addr, seqA2);
+    addr = addr + sizeof(seqA2);
+    EEPROM.get(addr, seqA3);
+    addr = addr + sizeof(seqA3);
+    EEPROM.get(addr, seqA4);
+    addr = addr + sizeof(seqA4);
+    EEPROM.get(addr, seqA5);
+    addr = addr + sizeof(seqA5);
+    EEPROM.get(addr, seqA6);
+    addr = addr + sizeof(seqA6);
+    EEPROM.get(addr, seqA7);
+    addr = addr + sizeof(seqA7);
+    EEPROM.get(addr, seqA8);
+    addr = addr + sizeof(seqA8);
+    EEPROM.get(addr, seqB1);
+    addr = addr + sizeof(seqB1);
+    EEPROM.get(addr, seqB2);
+    addr = addr + sizeof(seqB2);
+    EEPROM.get(addr, seqB3);
+    addr = addr + sizeof(seqB3);
+    EEPROM.get(addr, seqB4);
+    addr = addr + sizeof(seqB4);
+    EEPROM.get(addr, seqB5);
+    addr = addr + sizeof(seqB5);
+    EEPROM.get(addr, seqB6);
+    addr = addr + sizeof(seqB6);
+    EEPROM.get(addr, seqB7);
+    addr = addr + sizeof(seqB7);
+    EEPROM.get(addr, seqB8);
   } else {
     saveState();
     EEPROM.write(1023, memCode);
@@ -188,12 +223,6 @@ void setup() {
 
 void loop() {
   checkInputs();
-  /*if ((millis() - lastInteractionTime) > SCREEN_TIMEOUT) {
-    display.clearDisplay();
-    display.display();
-  if (masterClockMode == 2 || masterClockMode == 3) {
-    calculateBPMTiming();
-  }}*/
 }
 
 void clock() {
@@ -430,4 +459,36 @@ void saveState() {
   EEPROM.put(addr, masterClockMode);
   addr = addr + sizeof(masterClockMode);
   EEPROM.put(addr, channels);
+  addr = addr + sizeof(channels);
+  EEPROM.put(addr, seqA1);
+  addr = addr + sizeof(seqA1);
+  EEPROM.put(addr, seqA2);
+  addr = addr + sizeof(seqA2);
+  EEPROM.put(addr, seqA3);
+  addr = addr + sizeof(seqA3);
+  EEPROM.put(addr, seqA4);
+  addr = addr + sizeof(seqA4);
+  EEPROM.put(addr, seqA5);
+  addr = addr + sizeof(seqA5);
+  EEPROM.put(addr, seqA6);
+  addr = addr + sizeof(seqA6);
+  EEPROM.put(addr, seqA7);
+  addr = addr + sizeof(seqA7);
+  EEPROM.put(addr, seqA8);
+  addr = addr + sizeof(seqA8);
+  EEPROM.put(addr, seqB1);
+  addr = addr + sizeof(seqB1);
+  EEPROM.put(addr, seqB2);
+  addr = addr + sizeof(seqB2);
+  EEPROM.put(addr, seqB3);
+  addr = addr + sizeof(seqB3);
+  EEPROM.put(addr, seqB4);
+  addr = addr + sizeof(seqB4);
+  EEPROM.put(addr, seqB5);
+  addr = addr + sizeof(seqB5);
+  EEPROM.put(addr, seqB6);
+  addr = addr + sizeof(seqB6);
+  EEPROM.put(addr, seqB7);
+  addr = addr + sizeof(seqB7);
+  EEPROM.put(addr, seqB8);
 }

Software/Gravity/InputsCheck.ino

@@ -41,17 +41,19 @@ void checkInputs() {
       } else if (bpm < MINBPM) {
         bpm = MINBPM;
       }
+      saveState();
       calculateBPMTiming();
     } else if (!insideTab && shiftBtnPushed && displayTab != 0 && channels[displayTab - 1].mode == 0) { //Change Subdiv
       channels[displayTab - 1].subDiv = channels[displayTab - 1].subDiv - change;
-      if (channels[displayTab - 1].subDiv > 200) { 
+      if (channels[displayTab - 1].subDiv > 100) { 
         channels[displayTab - 1].subDiv = 0;
-      } else if (channels[displayTab - 1].subDiv > (sizeof(subDivs) / sizeof(byte)) - 1) {
+      } if (channels[displayTab - 1].subDiv > (sizeof(subDivs) / sizeof(int)) - 1) {
-        channels[displayTab - 1].subDiv = (sizeof(subDivs) / sizeof(byte)) - 1;
+        channels[displayTab - 1].subDiv = (sizeof(subDivs) / sizeof(int)) - 1;
       }
       if (!isPlaying) {
         calculateCycles();
       }
+      saveState();
     } else if (!insideTab && shiftBtnPushed && displayTab != 0 && channels[displayTab - 1].mode == 1) { //Change Random
       channels[displayTab - 1].random = channels[displayTab - 1].random + change;
       if (channels[displayTab - 1].random > 100) {
@@ -59,6 +61,7 @@ void checkInputs() {
       } else if (channels[displayTab - 1].random > 9) {
         channels[displayTab - 1].random = 9;
       }
+      saveState();
     } else if (!insideTab && shiftBtnPushed && displayTab != 0 && channels[displayTab - 1].mode == 2) { //Change SEQ pattern
       channels[displayTab - 1].seqPattern = channels[displayTab - 1].seqPattern + change;
       if (channels[displayTab - 1].seqPattern > 100) {
@@ -66,7 +69,7 @@ void checkInputs() {
       } else if (channels[displayTab - 1].seqPattern > 16) {
         channels[displayTab - 1].seqPattern = 16;
       }
-
+      saveState();
     }
     else if (insideTab && !shiftBtnPushed) {
       menuItem = menuItem + change;
@@ -82,6 +85,7 @@ void checkInputs() {
       } else if (masterClockMode > 1) {
         masterClockMode = 1;
       }
+      saveState();
     } else if (insideTab && shiftBtnPushed && displayTab == 0 && menuItem == 1) { //Modulation channel
       bpmModulationChannel = bpmModulationChannel + change;
       if (bpmModulationChannel == 0 || bpmModulationChannel == 1) {
@@ -92,6 +96,7 @@ void checkInputs() {
       } else if (bpmModulationChannel > 1) {
         bpmModulationChannel = 1;
       }
+      saveState();
     } else if (insideTab && shiftBtnPushed && displayTab == 0 && menuItem == 2) { //Modulation range
       bpmModulationRange = bpmModulationRange + change;
       if (bpmModulationRange == 0) {
@@ -101,6 +106,7 @@ void checkInputs() {
       } else if (bpmModulationRange > 5) { //50bpm
         bpmModulationRange = 5;
       }
+      saveState();
     } else if (insideTab && shiftBtnPushed && displayTab != 0 && menuItem == 0) { //Channel Mode
       channels[displayTab - 1].mode = channels[displayTab - 1].mode + change;
       if (channels[displayTab - 1].mode > 100) {
@@ -108,6 +114,7 @@ void checkInputs() {
       } else if (channels[displayTab - 1].mode > 2) {
         channels[displayTab - 1].mode = 2;
       }
+      saveState();
     } else if (insideTab && shiftBtnPushed && displayTab != 0 && menuItem == 1 && channels[displayTab - 1].mode == 0) { //Offset
       channels[displayTab - 1].offset = channels[displayTab - 1].offset + change;
       if (channels[displayTab - 1].offset > 100) {
@@ -115,6 +122,7 @@ void checkInputs() {
       } else if (channels[displayTab - 1].offset > channelPulsesPerCycle[displayTab-1]) {
         channels[displayTab - 1].offset = channelPulsesPerCycle[displayTab-1];
       }
+      saveState();
     } else if (insideTab && shiftBtnPushed && displayTab != 0 && menuItem == 1 && channels[displayTab - 1].mode == 1) { //SUBDIV for RANDOM
       channels[displayTab - 1].subDiv = channels[displayTab - 1].subDiv - change;
       if (channels[displayTab - 1].subDiv > 200) { 
@@ -125,6 +133,7 @@ void checkInputs() {
       if (!isPlaying) {
         calculateCycles();
       }
+      saveState();
     } else if (insideTab && shiftBtnPushed && displayTab != 0 && menuItem == 2 && channels[displayTab - 1].mode == 0) { //CV1 for CLK
       channels[displayTab - 1].CV1Target = channels[displayTab - 1].CV1Target + change;
       if (channels[displayTab - 1].CV1Target > 100) {
@@ -132,6 +141,7 @@ void checkInputs() {
       } else if (channels[displayTab - 1].CV1Target > 1) {
         channels[displayTab - 1].CV1Target = 1;
       }
+      saveState();
     }
     else if (insideTab && shiftBtnPushed && displayTab != 0 && menuItem == 3 && channels[displayTab - 1].mode == 0) { //CV2 for CLK
       channels[displayTab - 1].CV2Target = channels[displayTab - 1].CV2Target + change;
@@ -140,6 +150,7 @@ void checkInputs() {
       } else if (channels[displayTab - 1].CV2Target > 1) {
         channels[displayTab - 1].CV2Target = 1;
       }
+      saveState();
     } else if (insideTab && shiftBtnPushed && displayTab != 0 && menuItem == 2 && channels[displayTab - 1].mode == 1) { //CV1 for RND
       channels[displayTab - 1].CV1Target = channels[displayTab - 1].CV1Target + change;
       if (channels[displayTab - 1].CV1Target > 100) {
@@ -147,6 +158,7 @@ void checkInputs() {
       } else if (channels[displayTab - 1].CV1Target > 2) {
         channels[displayTab - 1].CV1Target = 2;
       }
+      saveState();
     }
     else if (insideTab && shiftBtnPushed && displayTab != 0 && menuItem == 3 && channels[displayTab - 1].mode == 1) { //CV2 for RND
       channels[displayTab - 1].CV2Target = channels[displayTab - 1].CV2Target + change;
@@ -155,6 +167,7 @@ void checkInputs() {
       } else if (channels[displayTab - 1].CV2Target > 2) {
         channels[displayTab - 1].CV2Target = 2;
       }
+      saveState();
     }
 
     updateScreen();
@@ -169,7 +182,6 @@ void checkInputs() {
       isPlaying = !isPlaying;
     }
     playBtnPushed = true;
-    saveState();
     updateScreen();  //to wake up the screen if turned off
   } else if (digitalRead(START_STOP_BTN_PIN) && playBtnPushed) {
     playBtnPushed = false;

Software/Gravity/UI.ino

@@ -363,5 +363,11 @@ void updateScreen() {
     }
   }
 
+  if (!isPlaying) {
+    u8g2.drawUTF8(121, yPos, "t");
+  } else {
+    u8g2.drawUTF8(122, yPos, "r");
+  }
+
   } while ( u8g2.nextPage() );
 }