shredder1.1

//DFRobot.com
//http://www.dfrobot.com/wiki/index.php/I2C/TWI_LCD1602_Module_%28SKU:_DFR0063%29


//in LiquidCrystal_I2C.cpp
//https://github.com/fdebrabander/Arduino-LiquidCrystal-I2C-library/issues/2
///#define printIIC(args)  Wire.write(args)
///inline size_t LiquidCrystal_I2C::write(uint8_t value) {
//  send(value, Rs);
//  return 1;
//}

String versie = "shredder v1.0";
bool vrijgaveLCDupdate = true ;
int stand = 0;
int seconds ;
int minutes;
int hours;
byte temperatuur = 99; //via de tempsensor in de motor zelf
String StrTemperatuur = "--'C    ";
String StrHours , StrMinutes , StrSeconds  ;
String StrOntime = "--:--:--";
String lcdlijn1 = "";
String lcdlijn2 = "";
unsigned long  currentMillis ;
unsigned long  previousMillis ;


#include <Wire.h>
#include <LiquidCrystal_I2C.h>

LiquidCrystal_I2C lcd(0x27, 16, 2); // set the LCD address to 0x27 for a 16 chars and 2 line display
//lijst met I/O en roepnaam

#define tempsensor A3
#define knopnoodstop A2
#define knopplus A0
#define knopmin A1
#define sda A4
#define scl A5
#define rxd 0
#define txd 1
#define snelheidrelaisA 2
#define snelheidrelaisB 3
#define vooruit 4
#define achteruit 5
#define impulsgever 6
#define vrij 7
#define vrij 8
#define vrij 9
#define vrij 10
#define vrij 11
#define vrij 12
#define debug 13


void pciSetup(byte pin)
{
  *digitalPinToPCMSK(pin) |= bit (digitalPinToPCMSKbit(pin));  // enable pin
  PCIFR  |= bit (digitalPinToPCICRbit(pin)); // clear any outstanding interrupt
  PCICR  |= bit (digitalPinToPCICRbit(pin)); // enable interrupt for the group
}



ISR(PCINT1_vect) // handle pin change interrupt for A0 to A5 here
{
 Serial.print ( digitalRead(knopplus));
 Serial.print( digitalRead(knopmin));
 Serial.println( digitalRead(knopnoodstop));

//  if (digitalRead(knopplus) == 1 ) {
//    Serial.println( "\n terugkeerflank onbelangrijk+ " );
// }
//
//
//   if (digitalRead(knopmin) == 1 ) {
//    Serial.println( "\n terugkeerflank onbelangrijk- " );
// }
//
//   if (digitalRead(knopnoodstop) == 1 ) {
//    Serial.println( "\n terugkeerflank onbelangrijkNS " );
// }


    if (digitalRead(knopnoodstop) == 1  and digitalRead(knopmin) == 1 and digitalRead(knopplus) == 1) {
    Serial.println( "alle knoppen  in rust " );
 }

  else
  {
    digitalWrite(debug, HIGH);
    delay (500);
    Serial.println("------------int");

    if (digitalRead(knopnoodstop) == 0  ) {
      //   Serial.println( "a2 =1" );
      digitalWrite(vooruit, HIGH);
      digitalWrite(achteruit, HIGH);
      stand = 0 ;
      // Serial.println("\n\n\n\n NOODSTOP");
    }


    if (digitalRead(knopplus) == 0 & stand < 3 ) {
      //  Serial.println( "knopplus =1" );

      stand ++ ;
    }

    ///////////////////////////
    if (digitalRead(knopmin) == 0 & stand > -3) {
      // Serial.println( "knopmin =1" );

      stand -- ;
    }

   Serial.print("stand=======================");             // debug value

  Serial.println(stand);             // debug value
    digitalWrite(debug, LOW);

  }}


  ISR(TIMER1_COMPA_vect) { //timer1 interrupt 1Hz toggles pin 13 (LED)

    vrijgaveLCDupdate = false ;
//    Serial.print("stand=");             // debug value

//    Serial.println(stand);             // debug value
// Serial.print ( digitalRead(knopplus));
// Serial.print( digitalRead(knopmin));
// Serial.println( digitalRead(knopnoodstop));



    currentMillis = millis();
    if ( (currentMillis - previousMillis) >= 1000) {
      previousMillis = previousMillis + 1000;
      seconds = seconds + 1;
      if (seconds == 60) {
        seconds = 0;
        minutes = minutes + 1;
        if (minutes == 60) {
          minutes = 0;
          hours = hours + 1;
          if (hours == 24) {
            hours = 0;
          } // end hrs check
        } // end minutes check
      } // end seconds check
    } // end time check

    //StrHours , StrMinutes , StrSeconds ;
    StrHours = String(hours); // convert to string
    if (hours < 10)
    {
      StrHours = "0";
      StrHours += String(hours);
    }
    StrMinutes = String(minutes); // convert to string
    if (minutes < 10)
    {
      StrMinutes = "0";
      StrMinutes += String(minutes);
    }
    StrSeconds = String(seconds); // convert to string
    if (seconds < 10)
    {
      StrSeconds = "0";
      StrSeconds += String(seconds);
    }


    StrOntime = StrHours + ":" + StrMinutes + ":" + StrSeconds ;

    //  Serial.println("");
    //  Serial.print(StrHours);
    //  Serial.print(":");
    //  Serial.print(StrMinutes);
    //  Serial.print(":");
    //  Serial.println(StrSeconds);


    vrijgaveLCDupdate = true ;



  }

  void setup()
  {
  delay(100);
    lcd.init();                     // initialize the lcd

      delay(100);
      // Print a message to the LCD.
    lcd.backlight();


    delay(100);
    Serial.begin(115200);
    delay(100);
    Serial.println(versie);





    //  lcd.blink();
    lcd.home();
    lcd.print(versie);
    lcd.setCursor(3, 1);
    lcd.print("plekke 2017");
    delay(1000);

    // lcd.home();
    // lcd.setCursor(8, 1);
    // lcd.print(StrOntime);
    //delay(1000);

    // lcd.home();
    // lcd.print(" 3 2 1 0 1 2 3");
    // lcd.setCursor(0, 1);
    // lcd.print("99'C    00:00:00");
    //  delay(2000);

    pinMode(impulsgever, INPUT);

    // enable interrupt for pin...
    pciSetup(knopplus);
    pciSetup(knopmin);
    pciSetup(knopnoodstop);

    cli();//stop interrupts


    // digitalWrite(knopplus, INPUT_PULLUP);  // set pullup on
    //digitalWrite(knopmin, INPUT_PULLUP);  // set pullup on

    pinMode(snelheidrelaisA, OUTPUT);
    pinMode(snelheidrelaisB, OUTPUT);
    pinMode(vooruit, OUTPUT);
    pinMode(achteruit, OUTPUT);

    digitalWrite(snelheidrelaisA, HIGH);    // set  off
    digitalWrite(snelheidrelaisB, HIGH);    // set  off
    digitalWrite(vooruit, HIGH);    // init alles uit
    digitalWrite(achteruit, HIGH);    // init alles uit



    //set timer1 interrupt at 1Hz
    TCCR1A = 0;// set entire TCCR1A register to 0
    TCCR1B = 0;// same for TCCR1B
    TCNT1  = 0;//initialize counter value to 0
    // set compare match register for 1hz increments
    OCR1A = 15624;// = (16*10^6) / (1*1024) - 1 (must be <65536)
    // OCR1A = 500;//debug vith
    // turn on CTC mode
    TCCR1B |= (1 << WGM12);
    // Set CS12 and CS10 bits for 1024 prescaler
    TCCR1B |= (1 << CS12) | (1 << CS10);
    // enable timer compare interrupt
    TIMSK1 |= (1 << OCIE1A);

    sei();//allow interrupts

  }

  void loop()
  {

    temperatuur = analogRead(tempsensor);    // read the input pin

    // StrTemperatuur = String(temperatuur); // convert to string
    if (temperatuur < 10)
    {
      // StrTemperatuur = "0";
      StrTemperatuur = "0" + String(temperatuur) + "'C    ";
    }
    else
    {

      StrTemperatuur =  String(temperatuur) + "'C    ";
    }

    if (temperatuur > 99)
    {
      // StrTemperatuur = "99";
      StrTemperatuur = "99'C    ";
    }



    //elke seconde mag je lcd updaten


    if (vrijgaveLCDupdate == true )
    {
      vrijgaveLCDupdate = false ;
      lcdlijn2 = StrTemperatuur + StrOntime;
      // lcd.home();
      lcd.setCursor(0, 1);
      delay(200);
      lcd.print(lcdlijn2);
      //delay(1000);
      Serial.println(lcdlijn1);
      Serial.println(lcdlijn2 );
    }



    switch (stand) {
      case -3:
        digitalWrite(snelheidrelaisA, LOW);    // set  off
        digitalWrite(snelheidrelaisB, LOW);    // set  off
        digitalWrite(vooruit, HIGH);    // v/a
        digitalWrite(achteruit, LOW);    // v/a
        lcdlijn1 = ">3< 2 1 0 1 2 3";
        lcd.home();
        lcd.print(lcdlijn1);

        break;
      case -2:
        digitalWrite(snelheidrelaisA, LOW);    // set  off
        digitalWrite(snelheidrelaisB, HIGH);    // set  off
        digitalWrite(vooruit, HIGH);    // v/a
        digitalWrite(achteruit, LOW);    // v/a
        lcdlijn1 = "3 >2< 1 0 1 2 3";
        lcd.home();
        lcd.print(lcdlijn1);

        break;
      case -1:
        digitalWrite(snelheidrelaisA, HIGH);    // set  off
        digitalWrite(snelheidrelaisB, LOW);    // set  off
        digitalWrite(vooruit, HIGH);    // v/a
        digitalWrite(achteruit, LOW);    // v/a

        lcdlijn1 = "3 2 >1< 0 1 2 3" ;
        lcd.home();
        lcd.print(lcdlijn1);
        break;
      case 0:
        digitalWrite(snelheidrelaisA, HIGH);    // set  off
        digitalWrite(snelheidrelaisB, HIGH);    // set  off
        digitalWrite(vooruit, HIGH);    // v/a
        digitalWrite(achteruit, HIGH);    // v/a

        lcdlijn1 = "3 2 1 >0< 1 2 3" ;
        lcd.home();
        lcd.print(lcdlijn1);
        break;
      case 1:
        digitalWrite(snelheidrelaisA, HIGH);    // set  off
        digitalWrite(snelheidrelaisB, LOW);    // set  off
        digitalWrite(vooruit, LOW);    // v/a
        digitalWrite(achteruit, HIGH);    // v/a

        lcdlijn1 = "3 2 1 0 >1< 2 3" ;
        lcd.home();
        lcd.print(lcdlijn1);
        break;
      case 2:
        digitalWrite(snelheidrelaisA, LOW);    // set  off
        digitalWrite(snelheidrelaisB, HIGH);    // set  off
        digitalWrite(vooruit, LOW);    // v/a
        digitalWrite(achteruit, HIGH);    // v/a

        lcdlijn1 = "3 2 1 0 1 >2< 3" ;
        lcd.home();
        lcd.print(lcdlijn1);
        break;
      case 3:
        digitalWrite(snelheidrelaisA, LOW);    // set  off
        digitalWrite(snelheidrelaisB, LOW);    // set  off
        digitalWrite(vooruit, LOW);    // v/a
        digitalWrite(achteruit, HIGH);    // v/a

        lcdlijn1 = "3 2 1 0 1 2 >3<" ;
        lcd.home();
        lcd.print(lcdlijn1);
        break;




      default:
        // if nothing else matches, do the default
        digitalWrite(snelheidrelaisA, HIGH);    // set  off
        digitalWrite(snelheidrelaisB, HIGH);    // set  off
        digitalWrite(vooruit, HIGH);    // v/a
        digitalWrite(achteruit, HIGH);    // v/a

        lcdlijn1 = " error stand" ;
        lcd.home();
        lcd.print(lcdlijn1);
        break;
    }





  }