File content as of revision 0:2f5d939d4a4a:

#include "Grove_LCD_RGB_Backlight.h"
#include "mbed.h"
#include "DebounceIn.h"

//input

DebounceIn doorClosed(p5);             //Check door status
DebounceIn cycleStartBtt(p14);          //cycle start button 
InterruptIn stopBtt(p15);                 //stop button
//DigitalIn pot(p20);

//output
DigitalOut doorInterlock(p6);           //Door interlock
DigitalOut fanRelay(p7);                //Fan control
DigitalOut redRelay(p8);                //Red light 
DigitalOut yellowRelay(p11);            //Yellow light 
DigitalOut greenRelay(p12);             //Green light 
DigitalOut damperRelay(p13);            //Damper solenoid control
DigitalOut damperRelayAlt(p16);         //Damper solenoid toggle control                    
DigitalOut vfd(p17);                    //VFD Start relay

Grove_LCD_RGB_Backlight rgbLCD(p9, p10); //Timer display


I2C i2c(p9, p10);
//Serial pc(USBTX, USBRX);

//extern "C" void mbed_reset();

void damperRotate(int damper)   //damper condition
{
    if(damper==0)
    {
        damperRelayAlt=1;  //toggle damper relay
        wait(5);
        damperRelayAlt=0;   //time out to reduce wear   
    }
    else //damper==1
    {
        damperRelay=1;  //toggle damper relay
        wait(5);
        damperRelay=0;   //time out to reduce wear  
    }
}

void countDown(int s)  //countdown in sec
{
   int m=0;
   char cnt[12];  // make a 'count' string
   for(m=s; m>0; m--)
   {
       sprintf(cnt, "%i   ", m);
       rgbLCD.locate(0,1);
       rgbLCD.print(cnt);
       wait(1); 
    }
}

void fullStop()
{
    if(stopBtt==0)
    {
    //Display status
    greenRelay=0;   //green light OFF
    yellowRelay=0;   //yellow light OFF
    redRelay=1;   //turn red light ON
    rgbLCD.clear();
    rgbLCD.locate(0,0);
    rgbLCD.print("CYCLE STOPPED.  "); 
    vfd=0;             //pump off
    doorInterlock=1;    //door latched
    wait(2);
    fanRelay=0;         //fan stops
    damperRotate(0);    //damperRelay=0;      //damper closed

    
    //wait 60sec 
    countDown(10);              
    doorInterlock=0;    //door unlatched
    
    stopBtt.mode(PullUp);
    wait(.1);
    NVIC_SystemReset(); //reset system        
    }
}
    
int main()
{
   
   //on power up status
   cycleStartBtt.mode(PullUp);
   wait(.1);
   
   doorClosed.mode(PullUp);
   wait(.1);
   
   stopBtt.mode(PullUp);
   wait(.1);
   stopBtt.fall(&fullStop); // attach the address of the flip function to the rising edge
   
   
   //check for closed door before running fan
   while(doorClosed!=0)
   {
       rgbLCD.clear();
       rgbLCD.locate(0,0);
       rgbLCD.print("Close the door   ");
   }
  
   //Display startup countdown
   //Startin up and prep the tank
   rgbLCD.clear();
   rgbLCD.setRGB(0x00, 0x66, 0xaa);                 //set the color 
   rgbLCD.print("Starting up...  ");   
    
   vfd=0;
   damperRotate(1); //vent opened;
   doorInterlock=1;
   fanRelay=1;
   greenRelay=0;
   yellowRelay=0;
   redRelay=0;
   
   //start timer for 90sec
   countDown(5);
    
   //Tank is ready
   rgbLCD.locate(0,0);
   rgbLCD.print("Tank is ready!  ");
   greenRelay=1;   //green light on
   
   //doorInterlock=0; //interlock unlatched, ready to load material into the tank
   fanRelay=0;      //fan off
   
   while(1)
   {
                
        if(doorClosed==0)    //door closed
        {
            rgbLCD.locate(0,1);
            rgbLCD.print("Door closed      ");
            greenRelay=1;   //green light stays on
            yellowRelay=0;  //yellow light off
            redRelay=0;     //red light off
            
            doorInterlock=0; //door unlocked
            fanRelay=0;            
                            
            
            //cycle start button pressed - wash cycle starts
            if(cycleStartBtt==0)    
            {
                
                //Display status
                rgbLCD.clear();
                rgbLCD.locate(0,0);
                rgbLCD.print("CYCLE STARTED!  ");     
                greenRelay=0;       //green light off
                yellowRelay=1;      //yellow light on                           
                doorInterlock=1;    //door locked
                fanRelay=0;         //fan stop
                damperRotate(0);     //vent close
                vfd=1;           //vfd for pump up to speed
                
                //Display wash cycle countdown
                //start timer for 2min   
                countDown(7);
                
                //finished washing
                vfd=0;            //pump off
                //Display status
                rgbLCD.clear();
                rgbLCD.locate(0,0);
                rgbLCD.print("CYCLE FINISHED! ");           
                countDown(5);
                
                //drip dry after washing
                //Display status
                rgbLCD.clear();
                rgbLCD.locate(0,0);
                rgbLCD.print("DRIP DRYING!    ");                
                                
                //start timer for 5min  
                countDown(10);

                //Display status
                rgbLCD.clear();
                rgbLCD.locate(0,0);
                rgbLCD.print("AIR CYCLING!    ");                                 
                damperRotate(1);    //vent opened
                fanRelay=1;         //fan on
                
                //Display air cycling countdown
                //start timer for 2min
                countDown(10);  
                
                //finished cycling air             
                greenRelay=1;       //green light on
                yellowRelay=0;      //yellow light off
                doorInterlock=0;    //door unlocked
                fanRelay=0;         //fan off
                damperRotate(0);    //damperRelay=0;      //vent closed
                
                //Tank is ready
                rgbLCD.clear();
                rgbLCD.locate(0,0);
                rgbLCD.print("Tank is ready!  ");
            }
 /*           
            //Stop button is hit
            if(stopBtt==1)
            {
                //Display status
                rgbLCD.locate(0,0);
                rgbLCD.print("CYCLE STOPPED.  "); 
                vfd=0;             //pump off
                doorInterlock=1;    //door latched
                wait(2);
                fanRelay=0;         //fan stops
                damperRotate(0);    //damperRelay=0;      //damper closed
                
                //wait 60sec 
                countDown(10);              
                doorInterlock=0;    //door unlatched
            }  
*/
        }
        else                    //door open
        {
            rgbLCD.locate(0,1);
            rgbLCD.print("Door opened     ");
            greenRelay=0;   //green light OFF
            redRelay=1;   //turn red light ON
            yellowRelay=0;
            fanRelay=0;         //fan stops
            damperRotate(1);    //damperRelay=1;      //damper closed            

        }
            
   }
}