dallas/max switch

hot_fermentation.ino

@@ -1,6 +1,7 @@
 #define useEEPROM 1
+// #define TempSensorMax
+#define TempSensorDallas
 
-#include <max6675.h>
 #include <Wire.h>
 #include <PID_v1.h>
 #include <GyverOLED.h>
@@ -10,11 +11,26 @@
 #include <EEPROM.h>
 #endif
 
+#ifdef TempSensorMax
+  #include <max6675.h>
   // MAX6675 configuration
   int max_SO = 12;
   int max_CS = 10;
   int max_SCK = 13;
   MAX6675 thermocouple(max_SCK, max_CS, max_SO);
+#endif
+#ifdef TempSensorDallas
+  #include <OneWire.h>
+  #include <DallasTemperature.h>
+  // Data wire is plugged into port 2 on the Arduino
+  #define ONE_WIRE_BUS 9
+
+  // Setup a oneWire instance to communicate with any OneWire devices (not just Maxim/Dallas temperature ICs)
+  OneWire oneWire(ONE_WIRE_BUS);
+
+  // Pass our oneWire reference to Dallas Temperature. 
+  DallasTemperature sensors(&oneWire);
+#endif
 
 // OLED configuration
 // GyverOLED<SSD1306_128x64> oled;
@@ -44,12 +60,12 @@ struct Profile {
 
 // Profiles definition
 Profile profiles[] = {
-  {"Chickpeas", 3, {{47, 120}, {53, 120}, {65, 180}, {72, 90}, {90, 90}}, 5},
+  {"Chickpeas", 2, {{30, 1}, {47, 120}, {55, 60}, {65, 150}, {70, 60}, {90, 105}}, 6},
   {"Lentils", 3, {{47, 120}, {53, 120}, {65, 180}, {72, 90}, {90, 15}}, 5},
   {"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},
-  {"46 (45)", 0, {{46, 45}}, 1},
+  {"Wheat", 1, {{47, 60}, {53, 60}, {65, 20}, {72, 20}, {85, 20}}, 5},
+  {"55-30&85-120", 1, {{55, 30}, {85, 120}}, 2},
+  {"46-45", 0, {{46, 45}}, 1},
   {"Test", 1, {{49, 1}, {51, 1}}, 2},
 };
 
@@ -90,8 +106,10 @@ uint32_t timer = 0;
 #define T_PERIOD 1000  // period of Execution processing
 uint32_t timerSSR = 0;
 #define T_PERIOD_SSR 500  // period of heater handling
+uint32_t timerDallas = 0;
+#define T_PERIOD_DALLAS 1000  // period of dallas sensor requesting
 
-#define PARTS 10
+#define PARTS 4
 
 void setup() {
   pinMode(ssrPin, OUTPUT);
@@ -101,8 +119,18 @@ void setup() {
   oled.clear();         // Clear the display
   readEEPROM();
   myPID.SetMode(AUTOMATIC);
-  myPID.SetOutputLimits(0, 1);
+  myPID.SetOutputLimits(0, 100);
+  // myPID.SetSampleTime(1000);
 
+  #ifdef TempSensorDallas
+    sensors.begin();
+    DeviceAddress tempDeviceAddress;
+    sensors.getAddress(tempDeviceAddress, 0);
+    sensors.setResolution(tempDeviceAddress, 12);
+    sensors.setWaitForConversion(false);
+  #endif
+
+  // Serial.println("Input, Output, Real Output");
 }
 
 void loop() {
@@ -115,8 +143,27 @@ void loop() {
   }
   handleExecution();
   handleHeaterAdv();
+  #ifdef TempSensorDallas
+    handleDallasTemperatureSensor();
+  #endif
 }
 
+#ifdef TempSensorDallas
+void handleDallasTemperatureSensor() {
+  long time = millis();
+  static int currentPart = 0;
+
+  if (time - timerDallas < T_PERIOD_DALLAS) {
+    return;
+  }
+  timerDallas = time;
+
+  Input = (double) sensors.getTempCByIndex(0);
+
+  sensors.requestTemperatures(); // Send the command to get temperatures
+}
+#endif
+
 void handleHeaterSimple() {
   long time = millis();
   static int currentPart = 0;
@@ -164,7 +211,7 @@ void handleHeaterAdv() {
   }
   timerSSR = time;
 
-  int current = Output * PARTS;
+  int current = Output/100 * PARTS;
 
   int last = 0;
   for (int i = 1; i < PARTS; i++) {
@@ -173,11 +220,12 @@ void handleHeaterAdv() {
       states[i-1] = states[i];
     }
   }
-  bool next = current > last ? true : false;
+  bool next = current >= last ? true : false;
+  if (Output < 0.05) next = false;
   states[PARTS-1] = next;
 
   oled.setCursor(128-6*PARTS, 7);
-  sprintf(timeBuffer, "%3d", (int)(Output*100));
+  sprintf(timeBuffer, "%3d", (int)(Output));
   char symbol;
   for (int i = 0; i < PARTS; i++) {
     int index = i - (PARTS - 3);
@@ -192,6 +240,14 @@ void handleHeaterAdv() {
   if (currentPart >= PARTS) {
     currentPart = 0;
   }
+
+  Serial.print(Setpoint);
+  Serial.print(",");
+  Serial.print(Input);
+  Serial.print(",");
+  Serial.print(Output);
+  Serial.println(",0,100");
+
 }
 
 void handleEncoder() {
@@ -233,7 +289,10 @@ void handleExecution() {
 
   getPhaseAndTemperature();
 
+#ifdef TempSensorMax
   Input = thermocouple.readCelsius();
+#endif
+
   if (isnan(Input)) {
     Input = 0;
   }
@@ -253,7 +312,7 @@ void startExecution() {
   phaseStartTime = totalStartTime = millis();  // Start the timer
   totalElapsedTime = 0;
   myPID.SetMode(AUTOMATIC);
-  myPID.SetOutputLimits(0, 1);  // SSR is either ON or OFF
+  myPID.SetOutputLimits(0, 100);  // SSR is either ON or OFF
   // digitalWrite(ssrPin, HIGH);   // Start with heater on
   ssrLastSwitchTime = millis();
   calculateTotalTime();