advanced heater control

hot_fermentation.ino

@@ -49,7 +49,7 @@ Profile profiles[] = {
   {"Lentils gradual", 10, {{48, 120}, {80, 60}}, 2},
   {"Wheat", 3, {{47, 60}, {53, 60}, {65, 20}, {72, 20}, {85, 20}}, 5},
   {"Sous Vide 55+120", 1, {{55, 30}, {85, 120}}, 2},
-  {"Sous Vide 46", 0, {{46, 60}}, 1},
+  {"46 (45)", 0, {{46, 45}}, 1},
   {"Test", 1, {{49, 1}, {51, 1}}, 2},
 };
 
@@ -91,6 +91,7 @@ uint32_t timer = 0;
 uint32_t timerSSR = 0;
 #define T_PERIOD_SSR 500  // period of heater handling
 
+#define PARTS 10
 
 void setup() {
   pinMode(ssrPin, OUTPUT);
@@ -113,13 +114,12 @@ void loop() {
     handleEncoder();
   }
   handleExecution();
-  handleHeater();
+  handleHeaterAdv();
 }
 
-void handleHeater() {
+void handleHeaterSimple() {
   long time = millis();
   static int currentPart = 0;
-  #define PARTS 4
 
   if (time - timerSSR < T_PERIOD_SSR) {
     return;
@@ -150,6 +150,50 @@ void handleHeater() {
   }
 }
 
+void handleHeaterAdv() {
+  long time = millis();
+  static int currentPart = 0;
+  static bool states[PARTS];
+
+  if (time - timerSSR < T_PERIOD_SSR) {
+    return;
+  }
+  if (inSelectionMode) {
+    digitalWrite(ssrPin, LOW);
+    return;
+  }
+  timerSSR = time;
+
+  int current = Output * PARTS;
+
+  int last = 0;
+  for (int i = 1; i < PARTS; i++) {
+    last += states[i] ? 1 : 0;
+    if (i) {
+      states[i-1] = states[i];
+    }
+  }
+  bool next = current > last ? true : false;
+  states[PARTS-1] = next;
+
+  oled.setCursor(128-6*PARTS, 7);
+  sprintf(timeBuffer, "%3d", (int)(Output*100));
+  char symbol;
+  for (int i = 0; i < PARTS; i++) {
+    int index = i - (PARTS - 3);
+    symbol = index < 0 ? ' ' : timeBuffer[index];
+    oled.invertText(states[i]);
+    oled.print(symbol);
+    oled.invertText(false);
+  }
+
+  digitalWrite(ssrPin, next);
+  currentPart++;
+  if (currentPart >= PARTS) {
+    currentPart = 0;
+  }
+}
+
 void handleEncoder() {
   if (inSelectionMode) {
     handleProfileSelection();
@@ -203,6 +247,22 @@ void handleExecution() {
   printPhases();
 }
 
+void startExecution() {
+  activeProfile = profiles[activeProfileIndex];
+  inSelectionMode = false;  // Switch to execution mode
+  phaseStartTime = totalStartTime = millis();  // Start the timer
+  totalElapsedTime = 0;
+  myPID.SetMode(AUTOMATIC);
+  myPID.SetOutputLimits(0, 1);  // SSR is either ON or OFF
+  // digitalWrite(ssrPin, HIGH);   // Start with heater on
+  ssrLastSwitchTime = millis();
+  calculateTotalTime();
+  getPhaseAndTemperature();
+  writeEEPROM();
+  oled.clear();
+  isComplete = false;
+}
+
 void handleProfileSelection() {
   if (!isClick && !isLeft && !isRight) {
     return;
@@ -220,18 +280,7 @@ void handleProfileSelection() {
   // Start the selected profile on button press
   if (isClick) {
     activeProfileIndex = selectedProfileIndex;
-    activeProfile = profiles[activeProfileIndex];
+    startExecution();
-    inSelectionMode = false;  // Switch to execution mode
-    phaseStartTime = totalStartTime = millis();  // Start the timer
-    totalElapsedTime = 0;
-    myPID.SetMode(AUTOMATIC);
-    myPID.SetOutputLimits(0, 1);  // SSR is either ON or OFF
-    // digitalWrite(ssrPin, HIGH);   // Start with heater on
-    ssrLastSwitchTime = millis();
-    calculateTotalTime();
-    getPhaseAndTemperature();
-    writeEEPROM();
-    oled.clear();
   }
 }