/*
 * Project name: Multiplexing_7-Segment 4 UNITS
     MCU:             PIC16F877A , ADC , LM35 MOD
     Oscillator:      HS, 8.0000 MHz
     SW:              mikroC PRO
*/
#define Digit1 PORTD.B0 //  DIGIT 1 FROM LEFT , THOUTHAND
#define Digit2 PORTD.B1 // DIGIT 2 FROM LEFT , HUNDRED
#define Digit3 PORTD.B2 // DIGIT 3 FROM LEFT , TENS
#define Digit4 PORTD.B3 // DIGIT 4 FROM LEFT ,  ONES

unsigned char Display (unsigned char digit)
  {
    unsigned char pattern;
    unsigned char  SEGMENT_MAP[10] = {0x3F,0x06,0x5B,0x4F,0x66,0x6D,0x7D,0x07,0x7F,0x6F};
    pattern =  SEGMENT_MAP[digit] ;  //The pattern to return
    return (pattern);
  }

void main() {
  unsigned char DD1,DD2, DD3,DD4 ;
  unsigned int ADC_result; //
  float scale ;
  unsigned int num ;
  ADCON1= 0;           //
  TRISA.B0=1; // AN0 INPUT
  TRISD = 0;            // Configure PORTD as outputs , COMMON CATHODES
  TRISB = 0;            // Configure PORTB as outputs ,7 SEGMENT DATA PORT

Digit1 = 0;            //Disable digit 1
Digit2 = 0;            //Disable digit 2
Digit3 = 0;            //Disable digit 3
Digit4 = 0;            //Disable digit 4


  while(1){
  ADC_result=ADC_Read(0);  // Read analog value from channel 0
  scale = ADC_result * (5000.0/1023.0); // input analog voltage
  num = scale /10.0 ; // input temp inc for LM35
		///////////
       DD1 = num / 100;       //Extract DD1 from ADC_result >>THOUTHAND
       PORTB = Display(DD1);    //Display the DD1
       Digit1 = 1;             //Enable digit 1
       Delay_Ms(10);            //a short 10ms delay
       Digit1 = 0;             //Disable digit 1
		/////////
       DD2 = (num/10) % 10;        // DD2 digit >>>HUNDRED
       PORTB = Display(DD2);    //Display the DD3
       Digit2 = 1;             //Enable digit 2
       Delay_Ms(10);            //a short 10ms delay
       Digit2 = 0;             //Disable digit 2
	   ////////////
	   DD3 = num % 10;       //Extract DD3 from ADC_result >>TENS
       PORTB = Display(DD3);    //Display the DD3
       Digit3 = 1;             //Enable digit 3
       Delay_Ms(10);            //a short 10ms delay
       Digit3 = 0;             //Disable digit 3
	   /////////
	   //DD4 = num % 10;       //Extract DD4 from ADC_result >>ONES
       PORTB = 0x39;    //Display C CHARACTER
       Digit4 = 1;             //Enable digit 4
       Delay_Ms(10);            //a short 10ms delay
       Digit4 = 0;             //Disable digit 4
    }
}

/*
 * Project name: Multiplexing_7-Segment 4 UNITS
     MCU:             PIC16F877A , ADC , LM35 MOD
     Oscillator:      HS, 8.0000 MHz
     SW:              mikroC PRO
*/
#define Digit1 PORTD.B0 //  DIGIT 1 FROM LEFT , THOUTHAND
#define Digit2 PORTD.B1 // DIGIT 2 FROM LEFT , HUNDRED
#define Digit3 PORTD.B2 // DIGIT 3 FROM LEFT , TENS
#define Digit4 PORTD.B3 // DIGIT 4 FROM LEFT ,  ONES

unsigned char Display (unsigned char digit)
  {
    unsigned char pattern;
    unsigned char  SEGMENT_MAP[10] = {0x3F,0x06,0x5B,0x4F,0x66,0x6D,0x7D,0x07,0x7F,0x6F};
    pattern =  SEGMENT_MAP[digit] ;  //The pattern to return
    return (pattern);
  }

void main() {
unsigned char DD1,DD2, DD3,DD4 ;

float result; //
unsigned int result1;
  ADCON1= 0;           //
  TRISA.B0=1; // AN0 INPUT
  TRISD = 0;            // Configure PORTD as outputs , COMMON CATHODES
  TRISB = 0;            // Configure PORTB as outputs ,7 SEGMENT DATA PORT

Digit1 = 0;            //Disable digit 1
Digit2 = 0;            //Disable digit 2
Digit3 = 0;            //Disable digit 3
Digit4 = 0;            //Disable digit 4


  while(1){
  result=ADC_Read(0);  // Read analog value from channel 0 ,0 to 1023 
  result = result * (5000.0/1023.0); // input analog voltage
  result = result /10.0 ; // input temp in C for LM35 0.0 to 150.0
  		///////////
	result = result *10.0 ;	// float 0.0 to 1500.0
	result1=result; //integer 0 to 1500 to get fraction
		/////////////
       DD1 = result1 / 1000;       //Extract DD1 from result >>THOUTHAND(hundred)
       PORTB = Display(DD1);    //Display the DD1
       Digit1 = 1;             //Enable digit 1
       Delay_Ms(10);            //a short 10ms delay
       Digit1 = 0;             //Disable digit 1
		/////////
       DD2 = (result1/100) % 10;        // DD2 digit >>>HUNDRED (tens)
       PORTB = Display(DD2);    //Display the DD3
       Digit2 = 1;             //Enable digit 2
       Delay_Ms(10);            //a short 10ms delay
       Digit2 = 0;             //Disable digit 2
	   ////////////
	   DD3 = (result1/10) % 10;       //Extract DD3 from result >>TENS (ones)
       PORTB = Display(DD3);    //Display the DD3
       Digit3 = 1;             //Enable digit 3
       Delay_Ms(10);            //a short 10ms delay
       Digit3 = 0;             //Disable digit 3
	   /////////
	   DD4 = result1 % 10;       //Extract DD4 from result >>ONES(fraction)
       //PORTB = 0x39;    //Display C CHARACTER
	   PORTB = Display(DD4);
       Digit4 = 1;             //Enable digit 4
       Delay_Ms(10);            //a short 10ms delay
       Digit4 = 0;             //Disable digit 4
    }
}