Svenska ElektronikForumet

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while(1)
{
  while(1)
  {
     while(1)
  }
}

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while(1)
{
  while(1)
  {
     while(1)
     {
     ...
     ...
     break;
     }
  ...
  ...
  break;
  }
}

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while(i<2047)
{
    i+=1;
    //etc
    while (j<1023)
      {
       j+=1;
       //etc
      }
}

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while(1)
{
  if(i = 0)
  {
    while(1)
  }
  else
  {
     while(1)
  }
}

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display.print("***FINISH***);

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#include <OneWire.h>
#include <DallasTemperature.h>
#include <Adafruit_GFX.h>
#include <Adafruit_PCD8544.h>

// Data wire is plugged into port 2 on the Arduino
#define ONE_WIRE_BUS 12

// pin 7 - Serial clock out (SCLK)
// pin 8 - Serial data out (DIN)
// pin 13 - Data/Command select (D/C)
// pin 4 - LCD chip select (CS)
// pin 2 - LCD reset (RST)
Adafruit_PCD8544 display = Adafruit_PCD8544(7, 8, 13, 4, 2);

// 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);

// Deceleration for LED, relays, speaker
const int pin_led_green = 10; // green
const int pin_led_red = 9;  // red
const int pin_relay1 = 11; // relay 1
const int pin_relay2 = 6; // relay 2
const int pin_tone = 5; // Speaker

int first; // first value at question
int second; // second value at question 
int minvalue; // min value is the minimun range e.g 30 or 50.


String labels[5][5] = { {"*****TIME*****", "Dv0 time:", "Range 30-99:", String(first), String(second) },
                        {"*****TEMP*****", "Dv0 temp:", "Range 50-99:", String(first), String(second) },
                        {"*****TIME*****", "Dv1 time:", "Range 30-99:", String(first), String(second) },
                        {"*****TEMP*****", "Dv1 temp:", "Range 50-99:", String(first), String(second) },
                        {"***END TEMP***", "End temp:", "Range 50-99:", String(first), String(second) }};




void setup()
{
  // Sett green and red LED output
  pinMode(pin_led_green, OUTPUT);
  pinMode(pin_led_red, OUTPUT);
  pinMode(pin_relay1, OUTPUT);
  pinMode(pin_relay2, OUTPUT);
  digitalWrite(pin_relay1, HIGH);
  digitalWrite(pin_relay2, HIGH);
  
  // Sett a tone at start
  tone(pin_tone, 400, 400);
  
  // Flash with LED at start
  digitalWrite(pin_led_green, HIGH);
  digitalWrite(pin_led_red, HIGH);
  delay(400);
  digitalWrite(pin_led_green, LOW);
  digitalWrite(pin_led_red, LOW);

  display.begin(); // Begin to use the display
  display.setContrast(50); // set contrast
  display.clearDisplay();  // Remove the adafruit logo and clear!
  
  sensors.begin();  // Start up the temperature library
}

void loop()
{
  int choose = start();
  const int maxi = choose;
  int i = 0;
  int BrewList[choose];
  while (i < maxi)
  { 
    BrewList[i] = brewFunc(i);
    // 100 = back
    // 200 = Accept
    // 300 = ask the same question again
    if (BrewList[i] == 100 ) // Just back one question. i cannot be negative number. 
    {
      if (i == 0)
      {
        i = i;
      }
      else // back but ask the question again. 
      {
        i = i - 1;
      }
    }
    else if (BrewList[i] == 300) // ask the same question again. 
    {
      i = i;
    }
    else //  Just keep forward and ask a new question 
    {
      i = i + 1;
    }
  }
  // now for the real temperature loop
  display.clearDisplay();  
  for (i = 0; i < maxi; i++)
  {
    // Display the values
    display.print(labels[i][1]);
    display.println(BrewList[i]);
    display.display();
  }
  display.print("Keep valueB/E?");
  display.display();
  while (choose != 70) // 70 is just random number 
  {
    choose = tangent_key();
    delay(500);
    if (choose == 200) // 200 is E for accept/exicute 
    {  
      the_loop(BrewList, maxi);
      while(1) // THE END!
      {
        tone(pin_tone, 600, 400);
        delay(1000);
      }
    }
    else if (choose == 100) // 100 is B for back.
    {
      display.clearDisplay();
      display.print("Back to menu");
      display.display();
      delay(2000);
      choose = 70;
    }
    else
    {
      display.clearDisplay();
      display.println("Invalid value");
      display.print("Enter B or E");
      display.display();
    }
  }
  // end of loop. Let's begin whith a new menu!   
} 



int start()
{
  display.clearDisplay();
  display.println("*****MENU*****");
  display.print("Press 1 or 2:");
  display.display();
  int temponaryKey = 1023;
  
  while(temponaryKey != 1 || 2)
  {
    temponaryKey = tangent_key();
    delay(500);
    if (temponaryKey == 1)
    {
      display.clearDisplay();
      display.print("You press: 1");
      display.display();
      delay(2000);
      return 5;
    }
    else if (temponaryKey == 2)
    {
      display.clearDisplay();
      display.print("You press: 2");
      display.display();
      delay(2000);
      return 2;
    }
    else
    {
      display.clearDisplay();
      display.println("Invalid number");
      display.print("Try again");
      display.display();
      delay(2000);
      tone(pin_tone, 800, 400);
      display.clearDisplay();
    }
  }
}


int tangent_key() // press any key to choose metod
{
  int tangent = 1023; 
  
  while(tangent == 1023)
  {
    // This is a voltage devider
    while(tangent >= 1015)
    {
      tangent = analogRead(A5); // Analog pin 5
    }
    if (tangent > 585 && tangent < 595) // number 1
    {
      tone(pin_tone, 400, 400);
      return 1;
    }
    else if (tangent > 50 && tangent < 60) // number 2
    {
      tone(pin_tone, 400, 400);
      return 2;
    }
    else if (tangent > 370 && tangent < 390) // number 3
    {
      tone(pin_tone, 400, 400);
      return 3;
    }
    else if (tangent > 999 && tangent < 1004) // number 4
    {
      tone(pin_tone, 400, 400);
      return 4;
    }
    else if (tangent > 35 && tangent < 47) // number 5
    {
      tone(pin_tone, 400, 400);
      return 5;
    }
    else if (tangent > 10 && tangent < 19) // number 6
    {
      tone(pin_tone, 400, 400);
      return 6;
    }
    else if (tangent > 800 && tangent < 815) // number 7
    {
      tone(pin_tone, 400, 400);
      return 7;
    }
    else if (tangent > 4 && tangent < 10) // number 8
    {
      tone(pin_tone, 400, 400);
      return 8;
    }
    else if (tangent > 170 && tangent < 185) // number 9
    {
      tone(pin_tone, 400, 400);
      return 9;
    }
    else if (tangent >= 0 && tangent < 1) // number 0
    {
      tone(pin_tone, 400, 400);
      return 0;
    }
    else if (tangent > 855 && tangent < 875) // number 100 or B for back
    {
      tone(pin_tone, 400, 400);
      display.clearDisplay();
      return 100;
    }
    else if (tangent > 1006 && tangent < 1012) // number 200 or E for enter
    {
      tone(pin_tone, 400, 400);
      display.clearDisplay();
      return 200;
    }
    else
    {
      display.clearDisplay();
      display.println("****ERROR****");
      display.println("Try again");
      display.print("Enter number");
      display.display();
      delay(3000);
      tangent = 1023; // reset tangent to value 1023 and star over again
    }
  }
}

int brewFunc(int i)
{ 
  // Display Menu, regulator and range
  display.clearDisplay();
  display.print(labels[i][0]);  // Menu
  display.println(labels[i][1]); // Device 
  display.println(labels[i][2]); // Range
  display.display();
  
  // Add first number
  first = tangent_key();
  delay(1000); // just to slow down
  if (first == 100) // if press button B as furst number. Button B is value 100.
  {
    display.clearDisplay();
    display.print("*****BACK*****");
    display.print("Going back....");
    display.display();
    delay(1000);
    return 100; // Just step back one question
  }
  else if (first == 200) // if press button E as furst number. Button E is value 200.
  {
    display.clearDisplay();
    display.print("*****ERROR!***");
    display.print("Not now!");
    display.print("Returning.....");
    display.display();
    delay(1000);
    return 300; // Just ask the same question again. 
  }
  else
  {
    display.clearDisplay();
    display.print(labels[i][0]);  // Menu
    display.println(labels[i][1]); // Device 
    display.println(labels[i][2]); // Range
    display.print(first); // display the first value
    display.display();
  }
  
  // Add second number
  second = tangent_key();
  delay(1000); // just to slow down
  if (second == 100) // if press button B as furst number. Button B is value 100.
  {
    display.clearDisplay();
    display.print("*****BACK*****");
    display.print("Going back....");
    display.display();
    delay(1000);
    return 100; // Just step back one question
  }
  else if (second == 200) // if press button E as second number. Button E is value 200.
  {
    while (second == 200)
    {
      display.clearDisplay();
      display.print("*****ERROR!***");
      display.print("Not E now!");
      display.print("Enter number");
      display.display();
      delay(1000);
      
      // Add a new second number
      second = tangent_key();
      delay(1000); // just to slow down
      if (second == 100)
      {
        display.clearDisplay();
        display.print("*****BACK*****");
        display.print("Going back....");
        display.display();
        delay(1000);
        return 100; // Just step back one question
      }
      else
      {
        // Nothing
      }
    }
    // End of while-loop
    display.clearDisplay();
    display.print(labels[i][0]);  // Menu
    display.println(labels[i][1]); // Device 
    display.println(labels[i][2]); // Range
    display.print(first); // display the first value
    display.print(second); // display the second value
    display.display();
    delay(1000);
    
    display.clearDisplay();
    display.print("Keep value:");
    display.print(String(String(first) += String(second) += "?")); // display first_second value.
    display.display();
    int Kepp_value = tangent_key();
    delay(1000);
    
    if (Kepp_value == 100) // Back = NO - Just go back to the same question again
    {
      display.clearDisplay();
      display.print("*****BACK*****");
      display.print("Going back....");
      display.display();
      delay(1000);
      return 100; // 100 = Just step back one question 
    }
    else if(Kepp_value == 200) // E = YES - Keep value
    {
      if (i == 0 || i == 2)
      {
        minvalue = 30; // min time value. Max temp and time is allways 99.
      }
      else
      {
        minvalue = 50; // min temp value. Max temp and time is allways 99.
      }
      if ((String(String(first) += String(second))).toInt() >= minvalue && (String(String(first) += String(second))).toInt() <= 99)
      {
        display.clearDisplay();
        display.print("*****DONE*****");
        display.print("Done....");
        display.print(String(String(first) += String(second)));
        display.display();
        delay(1000);
        return (String(String(first) += String(second))).toInt(); // Return the first_second value
      }
      else
      {
        display.clearDisplay();
        display.print("*****BACK*****");
        display.print("Not in range.");
        display.print("Going back....");
        display.display();
        delay(1000);
        return 300; // 300 is back only to the same question again.
      }
    }
  }
  else
  {
    display.clearDisplay();
    display.print(labels[i][0]);  // Menu
    display.println(labels[i][1]); // Device 
    display.println(labels[i][2]); // Range
    display.print(first); // display the first value
    display.print(second); // display the second value
    display.display();
    delay(1000);
    
    display.clearDisplay();
    display.print("Keep value:");
    display.print(String(String(first) += String(second) += "?")); // display first_second value.
    display.display();
    int Kepp_value = tangent_key();
    delay(1000);
    
    if (Kepp_value == 100) // Back = NO - Just go back to the same question again
    {
      display.clearDisplay();
      display.print("*****BACK*****");
      display.print("Going back....");
      display.display();
      delay(1000);
      return 300; // 300 is back only to the same question again.
      // Just return. 
    }
    else if(Kepp_value == 200) // E = YES - Keep value
    {
      if (i == 0 || i == 2)
      {
        minvalue = 1;
      }
      else
      {
        minvalue = 1;
      }
      if ((String(String(first) += String(second))).toInt() >= minvalue && (String(String(first) += String(second))).toInt() <= 99)
      {
        display.clearDisplay();
        display.print("*****DONE*****");
        display.print("Done....");
        display.print(String(String(first) += String(second)));
        display.display();
        delay(1000);
        return (String(String(first) += String(second))).toInt(); // Return the first_second value
      }
      else
      {
        display.clearDisplay();
        display.print("*****BACK*****");
        display.println("Not in range.");
        display.print("Going back....");
        display.display();
        delay(1000);
        return 300; // 300 is back only to the same question again.
      }
    }
  }  
}


void the_loop(int BrewList[], int way)
{
  // way can be 2 or 5. 2 is halfbrew and 5 is full brew.
  // BrewList[] contains values from the questions.
  digitalWrite(pin_led_red, HIGH); // start red led.
  
  if (way == 5)
  {
    int i = 0;
    int time = 0;
    while(1)
    {
      sensors.requestTemperatures(); // request sensors temperature
      
      // time clock
      if (i == 60)
      {
        time++;
        i = 0;
      }
      else
      {
        i++; 
      }
      
      display.display();  
      display.clearDisplay();
      
      display.print("Temp dv0:");
      display.print(sensors.getTempCByIndex(0));
       
      display.print("Temp dv1:"); 
      display.print(sensors.getTempCByIndex(1));
      
      display.print("End temp:");
      display.println(BrewList[4]);
      
      display.print("Time dv0:");
      if (BrewList[0] - time <= 0) // brewlist[0] is time limit for Dv0 time
      {
        if (BrewList[0] - time == -1) // End time!
        {
          digitalWrite(pin_relay2, HIGH); // Turn OFF the relay 2 for dv0. 
          while(1) // BrewList[4] is the integear end temp value. 
          {
            sensors.requestTemperatures(); // request sensors temperature
            if(sensors.getTempCByIndex(0) >= BrewList[4])
            {
              display.clearDisplay();
              display.display();
              break;
            }
            else
            {
              display.clearDisplay();
              display.print("***END TEMP***");
              display.print("Temp dv0:");
              display.print(sensors.getTempCByIndex(0));
              display.print("End temp:");
              display.print(BrewList[4]);
              digitalWrite(pin_relay1, LOW); // Turn ON relay for dv0. 
              display.display();
            }  
          }
          break; // end loop.
        }
        else
        {
          display.println("0");
        }
      }
      else
      {
        display.println(BrewList[0] - time);
      }
      
      display.print("Time dv1:");
      if (BrewList[2] >= time) // brewlist[2] is time limit for Dv1 time
      {
        display.println(-BrewList[2] + time); // show before_start_time who is minus.
      }
      else if (BrewList[2] < time)
      {
        display.println(BrewList[0] - time); // count down to end time. 
      }
      else
      {
        display.println("0");
      }
      
      // dv0 is first tank
      if (sensors.getTempCByIndex(0) < BrewList[1]) // if sensor dv0 lower that choosen value ->
      {
        digitalWrite(pin_relay1, LOW); // Turn ON
      }
      else
      {
        digitalWrite(pin_relay1, HIGH); // Turn OFF
      }
    
      // dv1 is second tank.
      if (time > BrewList[2])
      {
        if (sensors.getTempCByIndex(1) < BrewList[3]) // if sensor dv1 lower that choosen value ->
        {
          digitalWrite(pin_relay2, LOW); // Turn ON
        }
        else
        {
          digitalWrite(pin_relay2, HIGH); // Turn OFF
        }
      }
      else
      {
        // Nothing
      }
      //delay(1000);
    }
    digitalWrite(pin_relay1, HIGH); // Turn OFF relay for dv0. 
    digitalWrite(pin_led_red, LOW); // Turn OFF the red led.
    digitalWrite(pin_led_green, HIGH); // Turn ON the green led.
  }
  else
  {
    // HÄR SKA ANDRA DELEN AV KODEN KOMMA.
  }
}

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display.print(String(String(first) += String(second) += "?")); // display first_second value.