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//Sample Code for EET214 Lab3 Thermostat

#include "mbed.h"

DigitalOut furnace(LED4);  //use LED4 to simualte furnace
AnalogIn room_T(p20);   //Use pin 20 to read room temperature
int iRoom_T = 0;        //Room Temperature in integer 
int iRoom_T_One = 0;    //Temperature number at one digit
int iRoom_T_Ten = 0;    //Temperature number at ten digit

int display10( int iRoom_T_Ten);  //Function to display ten digits
int display1( int iRoom_T_One);   //Function to display one digits

BusOut displayA(p5, p6, p7, p8, p9, p10, p11, p12);  //Use P5 - P12 for Display 1
BusOut displayB(p21,p22,p23,p24,p25,p26, p27, p28);  //Use P21- P28 for display 2

int main() {
    while(1) {
        
        //Read sensor and convert the value into integer
        iRoom_T = (int)(( room_T * 3.3 ) /0.01 );  
        iRoom_T = 21;  //Testing code
        
        //Display Room Temperature       
        iRoom_T_Ten = iRoom_T / 10;  //Get number at ten digits
        iRoom_T_One = iRoom_T % 10;  //Get number at one digits
         
        display10(iRoom_T_Ten);  //Display ten digits
        display1(iRoom_T_One);   //Display one digits  
        
        //Turn on / off furnace according to temperature
        if(iRoom_T > 27) //Over 27 C
           furnace = 0;  //Turn furnace off
        if(iRoom_T < 25) //Below 25C
           furnace = 1;  //Turn furnace on
        
        wait(1);  //Wait for 1 second         
    } // End of while(1) 
}

//Display number at TEN digits
int display10( int iRoom_T_Ten)
{
    switch(iRoom_T_Ten)
    {
        case 0:
          //displayA = 0x3f;   //Common Cathode
          displayA = 0xC0;   //Common Anode
          break; 
          
        case 1:
          // displayA = 0x3f; 
          break;      
         
        case 2: 
          //displayA = 0x5B;  //Common Cathode
          displayA = 0xA4;  //Common Anode
          break;  
          
          
         default:
          // displayA = 0x00; 
          break;            
    }
        
    return 1;
}
    
//Display number at ONE digits
int display1( int iRoom_T_One)
{
    switch(iRoom_T_One)
    {
        case 0:
          //displayB = 0x3f;   //Common Cathode
          displayB = 0xC0;   //Common Anode
          break; 
          
        case 1:
          //displayB = 0x06;  //Common Cathode
          displayB = 0xf9;  //Common anode
          break;      
          
          
          
         default:
          // displayB = 0x00; 
          break;            
    }
    
    return 1;
}