working screen UI but broken throttling

master_clock.ino

@@ -45,6 +45,10 @@ unsigned long screenLastUpdate = 0;
 const unsigned long screenThrottle = 200;
 byte forceScreenUpdate = 1;
 
+byte currentScreen = 0;
+byte editMode = 0;
+int mainScreenCursorPos = 0;
+byte maxMainScreenPos = 8;
 
 void setup() {
   Serial.begin(9600);
@@ -58,6 +62,7 @@ void setup() {
 
   // screen setup
   u8g2.begin();
+  u8g2.setFontMode(1);
 
   // display.clearDisplay();
   // display.setTextSize(2);
@@ -150,16 +155,39 @@ void updateScreen() {
   if (currentTime - screenLastUpdate >= screenThrottle && forceScreenUpdate == 1) {
     screenLastUpdate = currentTime;
     forceScreenUpdate = 0;
-    // The firstPage()/nextPage() loop manages where the drawing commands go
     u8g2.firstPage();
     do {
-      // --- Drawing Commands for the CURRENT Page ---
-      // All drawing commands must live INSIDE this do/while loop.
-      u8g2.setFont(u8g2_font_helvR08_tf);
-      u8g2.setCursor(0, 10);
-      u8g2.print(F("BPM: "));
-      u8g2.print(BPM); // Example of dynamic data
+      // 12px - nonbold
+      if (mainScreenCursorPos == 0) {
+        u8g2.setFont(u8g2_font_7x14B_mf);
+      } else {
+        u8g2.setFont(u8g2_font_7x14_mf);
+      }
 
+      u8g2.setCursor(0, 15);
+      u8g2.print(F("BPM: "));
+      u8g2.print(BPM);
+
+      u8g2.setFont(u8g2_font_7x14_mf);
+      u8g2.setCursor(0, 45);
+
+      char buffer[5];
+      for (byte i = 1; i < 9; i++) {
+        if (i == 5) {
+          u8g2.setCursor(0, 60);
+        }
+
+        if (mainScreenCursorPos == i) {
+          u8g2.setFont(u8g2_font_7x14B_mf);
+        }
+
+        sprintf(buffer, "[%d] ", i); 
+        u8g2.print(buffer); 
+
+        if (mainScreenCursorPos == i) {
+          u8g2.setFont(u8g2_font_7x14_mf);
+        }
+      };
     } while (u8g2.nextPage());
   }
 }
@@ -187,10 +215,21 @@ void checkRPot() {
       Serial.print("Encoder Position: ");
       Serial.println(currentPos);
 
-      if (currentPos > previousPos) {
-        BPM++;
-      } else {
-        BPM--;
+      // on home screen
+      if (currentScreen == 0) {
+        if (editMode == 0) {
+          if (currentPos > previousPos) {
+            mainScreenCursorPos++;
+            if (mainScreenCursorPos > maxMainScreenPos) {
+              mainScreenCursorPos = 0;
+            }
+          } else {
+            mainScreenCursorPos--;
+            if (mainScreenCursorPos < 0) {
+              mainScreenCursorPos = maxMainScreenPos;
+            }
+          }
+        }
       }
 
       forceScreenUpdate = 1;
@@ -202,6 +241,17 @@ void checkRPot() {
   }
 }
 
+void handleBPMChange(byte increase) {
+  if (increase == 1) {
+    BPM++;
+  } else {
+    BPM--;
+  }
+
+  period = (minute / BPM) / ppqn;
+  Timer1.setPeriod(period);
+}
+
 void updateEncoder() {
   // The ISR should be as short and fast as possible
   // Check the state of the DT pin to determine direction