terminal/puzzle_colorFade/potiNano/src/main.cpp

@@ -1,39 +1,29 @@
 #include <Arduino.h>
+
 #include <Wire.h>
 
 #define I2C_SLAVE_ADDRESS 0x08
 
-volatile uint16_t bufferA[6];
-volatile uint16_t bufferB[6];
-
-// Pointer to the buffer currently exposed to ISR
-volatile uint16_t* activeBuffer = bufferA;
+uint16_t values[6] = {0};
 
 void onI2CRequest() {
-    // Safe: ISR only reads active buffer
-    Wire.write((uint8_t*)activeBuffer, 6 * sizeof(uint16_t));
+    Wire.write((uint8_t*)values, sizeof(values));
 }
 
 void setup() {
     Wire.begin(I2C_SLAVE_ADDRESS);
     Wire.onRequest(onI2CRequest);
+
     analogReference(DEFAULT);
 }
 
 void loop() {
-    // Choose the inactive buffer
-    volatile uint16_t* writeBuffer =
-        (activeBuffer == bufferA) ? bufferB : bufferA;
+    values[0] = analogRead(A0);
+    values[1] = analogRead(A1);
+    values[2] = analogRead(A2);
 
-    writeBuffer[0] = analogRead(A0);
-    writeBuffer[1] = analogRead(A1);
-    writeBuffer[2] = analogRead(A2);
-    writeBuffer[3] = analogRead(A3);
-    writeBuffer[4] = analogRead(A6);
-    writeBuffer[5] = analogRead(A7);
-
-    // Atomic pointer swap
-    noInterrupts();
-    activeBuffer = writeBuffer;
-    interrupts();
+    values[3] = analogRead(A3);
+    values[4] = analogRead(A6);
+    values[5] = analogRead(A7);
+    delay(50);
 }

terminal/puzzle_colorRemember/src/main.cpp

@@ -97,21 +97,16 @@ bool readButton(uint8_t i) {
 
 // ------------------ Neues Spiel ------------------
 
-void generateNewGame(bool easy) {
+void generateNewGame() {
 
-  for (uint8_t i = 0; i < 6; i++)
-    solutionOrder[i] = i;
+  for (uint8_t i = 0; i < 6; i++) solutionOrder[i] = i;
 
-  if (!easy)
-  {
-    for (int i = 5; i > 0; i--)
-    {
+  for (int i = 5; i > 0; i--) {
     int j = random(i + 1);
     uint8_t t = solutionOrder[i];
     solutionOrder[i] = solutionOrder[j];
     solutionOrder[j] = t;
   }
-  }
 
   for (uint8_t i = 0; i < 6; i++)
     expectedOrder[i] = solutionOrder[5 - i];
@@ -142,16 +137,12 @@ void generateNewGame(bool easy) {
   uint8_t idx[18];
   for (uint8_t i = 0; i < 18; i++) idx[i] = i;
 
-  if (!easy)
-  {
-    for (int i = 17; i > 0; i--)
-    {
+  for (int i = 17; i > 0; i--) {
     int j = random(i + 1);
     uint8_t t = idx[i];
     idx[i] = idx[j];
     idx[j] = t;
   }
-  }
 
   for (uint8_t i = 0; i < 6; i++)
     buttonAssignment[idx[i]] = solutionOrder[i];
@@ -253,7 +244,7 @@ void setup() {
 
   if (powerOnState)
   {
-    generateNewGame(false);
+    generateNewGame();
   }
 }
 
@@ -280,7 +271,7 @@ void loop() {
   // Detecting turn-on
   if (!powerOnState && digitalRead(PIN_POWER_ON) == HIGH)
   {
-    generateNewGame(false);
+    generateNewGame();
     powerOnState = true;
   }
   if (!powerOnState)
@@ -288,18 +279,14 @@ void loop() {
     // We are turned-off and stop anything after here
     return;
   }
-
-  if (digitalRead(PIN_TRIGGER_SHUFFLE) == HIGH)
-  {
-    unsigned long resetTimer = millis();
-    while (digitalRead(PIN_TRIGGER_SHUFFLE) == HIGH)
-    {
-      delay(10);
-    }
-    generateNewGame(millis() - resetTimer > 150);
-  }
-
   unsigned long now = millis();
+
+  bool trigger = digitalRead(PIN_TRIGGER_SHUFFLE);
+  if (trigger && !lastTriggerState) {
+    generateNewGame();
+  }
+  lastTriggerState = trigger;
+
   for (uint8_t i = 0; i < 18; i++) {
     bool pressed = readButton(i);