#include "DHT.h"

class SevenSeg {

  private:
  int a, b, c, d, e, f, g;

  public:
  SevenSeg(int A, int B, int C, int D, int E, int F, int G) {
    a = A; b = B; c = C; d = D; e = E; f = F; g = G;
  }

  //Set the pins (a, b, c, d, e, f, g) for SSD.
  void setPins() {
    pinMode(a, OUTPUT); pinMode(b, OUTPUT); pinMode(c, OUTPUT); pinMode(d, OUTPUT); 
    pinMode(e, OUTPUT); pinMode(f, OUTPUT); pinMode(g, OUTPUT);
  }

  //Write the pin states for (a, b, c, d, e, f).
  void write(int as = 1, int bs = 1, int cs = 1, int ds = 1, int es = 1, int fs = 1, int gs = 1) {
    digitalWrite(a, as); digitalWrite(b, bs); digitalWrite(c, cs); digitalWrite(d, ds);
    digitalWrite(e, es); digitalWrite(f, fs); digitalWrite(g, gs); 
  }

  //Display the specified number.
  void CCdisplayNumber(int n) {
    if (n == 0) { write(1, 1, 1, 1, 1, 1, 0); }
    if (n == 1) { write(0, 1, 1, 0, 0, 0, 0); }
    if (n == 2) { write(1, 1, 0, 1, 1, 0, 1); }
    if (n == 3) { write(1, 1, 1, 1, 0, 0, 1); }
    if (n == 4) { write(0, 1, 1, 0, 0, 1, 1); }
    if (n == 5) { write(1, 0, 1, 1, 0, 1, 1); }
    if (n == 6) { write(1, 0, 1, 1, 1, 1, 1); }
    if (n == 7) { write(1, 1, 1, 0, 0, 0, 0); }
    if (n == 8) { write(1, 1, 1, 1, 1, 1, 1); }
    if (n == 9) { write(1, 1, 1, 1, 0, 1, 1); }
  }

  void CAdisplayNumber(int n) {
    if (n == 0) { write(0, 0, 0, 0, 0, 0, 1); }
    if (n == 1) { write(1, 0, 0, 1, 1, 1, 1); }
    if (n == 2) { write(0, 0, 1, 0, 0, 1, 0); }
    if (n == 3) { write(0, 0, 0, 0, 1, 1, 0); }
    if (n == 4) { write(1, 0, 0, 1, 1, 0, 0); }
    if (n == 5) { write(0, 1, 0, 0, 1, 0, 0); }
    if (n == 6) { write(0, 1, 0, 0, 0, 0, 0); }
    if (n == 7) { write(0, 0, 0, 1, 1, 1, 1); }
    if (n == 8) { write(0, 0, 0, 0, 0, 0, 0); }
    if (n == 9) { write(0, 0, 0, 0, 1, 0, 0); }
  }
};

void CAMultiplex(int S1, int S2, int S3, int val) {
  digitalWrite(S1, 1);
  digitalWrite(S2, 0);
  digitalWrite(S3, 0);
}

void CCMultiplex(int S1, int S2, int S3, SevenSeg S) {

  S.CCdisplayNumber(8);
  digitalWrite(S1, 0);
  digitalWrite(S2, 1);
  digitalWrite(S3, 0);
  delay(10);

}

//#define DHTPIN 2 
//#define DHTTYPE DHT22 
//DHT dht(DHTPIN, DHTTYPE);

SevenSeg s(1, 2, 3, 4, 5, 15, 16);

int s1 = 17;  //select for SSD 1.
int s2 = 18;  //select for SSD 2.
int s3 = 19;  //select for SSD 3.

int d1 = 1, d10 = 6, d0 = 4;

void setup() {
  Serial.begin(9600);
  //dht.begin();
  s.setPins();
}

void loop() {


  float t = 25.1;
  int _t = t;

  float decimal = t - _t;

  d1 = _t%10;
  d10 = (_t/10)%10;
  d0 = decimal*10;

  Serial.println(t);
  s.CCdisplayNumber(8);
  digitalWrite(s1, 1);
  digitalWrite(s2, 0);
  digitalWrite(s3, 0);
  s.CAdisplayNumber(d10);
  delay(10);

  s.CCdisplayNumber(8);
  digitalWrite(s1, 0);
  digitalWrite(s2, 1);
  digitalWrite(s3, 0);
  s.CAdisplayNumber(d1);
  delay(10);

  s.CCdisplayNumber(8);
  digitalWrite(s1, 0);
  digitalWrite(s2, 0);
  digitalWrite(s3, 1);
  s.CAdisplayNumber(d0);
  delay(10);
}