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3_bit_addierer_7segDisplay.ino
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3_bit_addierer_7segDisplay.ino
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//logik für die Eingänge des 7 Segment Displays beim 3 Bit Addierer
/* L3 = MSB = 2^3, L2 = 2^2, L1 = 2^1, L0 = LSB = 2^0
*
* a, 7 - (L3 == 0 || L2 == 0 || L1 == 0 || L0 == 1) && (L3 == 0 || L2 == 1 || L1 == 0 || L0 == 0)
* b, 6 - (L3 == 0 || L2 == 1 || L1 == 0 || L0 == 1) && (L3 == 0 || L2 == 1 || L1 == 1 || L0 == 0) && (L3 == 1 || L2 == 1 || L1 == 0 || L0 == 0) && (L3 == 1 || L2 == 1 || L1 == 1 || L0 == 1)
* c, 4 - (L3 == 0 || L2 == 0 || L1 == 1 || L0 == 0) && (L3 == 1 || L2 == 1 || L1 == 0 || L0 == 0) && (L3 == 1 || L2 == 1 || L1 == 1 || L0 == 0) && (L3 == 1 || L2 == 1 || L1 == 1 || L0 == 1)
* d, 2 - (L3 == 0 || L2 == 0 || L1 == 0 || L0 == 1) && (L3 == 0 || L2 == 1 || L1 == 0 || L0 == 0) && (L3 == 0 || L2 == 1 || L1 == 1 || L0 == 1) && (L3 == 1 || L2 == 0 || L1 == 1 || L0 == 0) && (L3 == 1 || L2 == 1 || L1 == 1 || L0 == 1)
* e, 1 - (L3 == 0 || L2 == 0 || L1 == 0 || L0 == 1) && (L3 == 0 || L2 == 0 || L1 == 1 || L0 == 1) && (L3 == 0 || L2 == 1 || L1 == 0 || L0 == 0) && (L3 == 0 || L2 == 1 || L1 == 0 || L0 == 1) && (L3 == 0 || L2 == 1 || L1 == 1 || L0 == 1) && (L3 == 1 || L2 == 0 || L1 == 0 || L0 == 1)
* f, 9 - (L3 == 0 || L2 == 0 || L1 == 0 || L0 == 1) && (L3 == 0 || L2 == 0 || L1 == 1 || L0 == 0) && (L3 == 0 || L2 == 0 || L1 == 1 || L0 == 1) && (L3 == 0 || L2 == 1 || L1 == 1 || L0 == 1)
* g, 10 - (L3 == 0 || L2 == 0 || L1 == 0 || L0 == 0) && (L3 == 0 || L2 == 0 || L1 == 0 || L0 == 1) && (L3 == 0 || L2 == 1 || L1 == 1 || L0 == 1) && (L3 == 1 || L2 == 1 || L1 == 0 || L0 == 0) && (L3 == 1 || L2 == 1 || L1 == 0 || L0 == 1)
* dp, 5 - ungenutzt
*/
//Zum Einlesen der Summe (die 4 Bits)
const int L3 = 2;
const int L2 = 3;
const int L1 = 4;
const int L0 = 5;
//Für die Ausgabe bzw EIngabe am 7 Segment Display
const int a = 7;
const int b = 8;
const int c = 9;
const int d = 10;
const int e = 11;
const int f = 12;
const int g = 13;
const int dp = 6;
void setup() {
pinMode(L3, INPUT);
pinMode(L2, INPUT);
pinMode(L1, INPUT);
pinMode(L0, INPUT);
pinMode(a, OUTPUT);
pinMode(b, OUTPUT);
pinMode(c, OUTPUT);
pinMode(d, OUTPUT);
pinMode(e, OUTPUT);
pinMode(f, OUTPUT);
pinMode(g, OUTPUT);
pinMode(dp, OUTPUT);
Serial.begin(9600);
}
void withBooleanLogic()
{
}
int convertBinaryNumber(int l3, int l2, int l1, int l0)
{
int result = -(pow(2, 3) * l3) + pow(2, 2) * l2 + pow(2, 1) * l1 + pow(2, 0) * l0;
Serial.println(-(pow(2, 3) * l3));
return result;
}
void setDisplayPositive(int number);
void setDisplayNegative(int number);
void loop()
{
int valueL3 = digitalRead(L3);
int valueL2 = digitalRead(L2);
int valueL1 = digitalRead(L1);
int valueL0 = digitalRead(L0);
int decimal = convertBinaryNumber(valueL3, valueL2, valueL1, valueL0);
//setDisplayPositive(decimal);
setDisplayNegative(decimal);
delay(2000);
Serial.println(decimal);
}
void setDisplayPositive(int number)
{
switch (number)
{
case 0:
digitalWrite(a, HIGH);
digitalWrite(b, HIGH);
digitalWrite(c, HIGH);
digitalWrite(d, HIGH);
digitalWrite(e, HIGH);
digitalWrite(f, HIGH);
digitalWrite(g, LOW);
digitalWrite(dp, LOW);
break;
case 1:
digitalWrite(a, LOW);
digitalWrite(b, HIGH);
digitalWrite(c, HIGH);
digitalWrite(d, LOW);
digitalWrite(e, LOW);
digitalWrite(f, LOW);
digitalWrite(g, LOW);
digitalWrite(dp, LOW);
break;
case 2:
digitalWrite(a, HIGH);
digitalWrite(b, HIGH);
digitalWrite(c, LOW);
digitalWrite(d, HIGH);
digitalWrite(e, HIGH);
digitalWrite(f, LOW);
digitalWrite(g, HIGH);
digitalWrite(dp, LOW);
break;
case 3:
digitalWrite(a, HIGH);
digitalWrite(b, HIGH);
digitalWrite(c, HIGH);
digitalWrite(d, HIGH);
digitalWrite(e, LOW);
digitalWrite(f, LOW);
digitalWrite(g, HIGH);
digitalWrite(dp, LOW);
break;
case 4:
digitalWrite(a, LOW);
digitalWrite(b, HIGH);
digitalWrite(c, HIGH);
digitalWrite(d, LOW);
digitalWrite(e, LOW);
digitalWrite(f, HIGH);
digitalWrite(g, HIGH);
digitalWrite(dp, LOW);
break;
case 5:
digitalWrite(a, HIGH);
digitalWrite(b, LOW);
digitalWrite(c, HIGH);
digitalWrite(d, HIGH);
digitalWrite(e, LOW);
digitalWrite(f, HIGH);
digitalWrite(g, HIGH);
digitalWrite(dp, LOW);
break;
case 6:
digitalWrite(a, HIGH);
digitalWrite(b, LOW);
digitalWrite(c, HIGH);
digitalWrite(d, HIGH);
digitalWrite(e, HIGH);
digitalWrite(f, HIGH);
digitalWrite(g, HIGH);
digitalWrite(dp, LOW);
break;
case 7:
digitalWrite(a, HIGH);
digitalWrite(b, HIGH);
digitalWrite(c, HIGH);
digitalWrite(d, LOW);
digitalWrite(e, LOW);
digitalWrite(f, LOW);
digitalWrite(g, LOW);
digitalWrite(dp, LOW);
break;
case 8:
digitalWrite(a, HIGH);
digitalWrite(b, HIGH);
digitalWrite(c, HIGH);
digitalWrite(d, HIGH);
digitalWrite(e, HIGH);
digitalWrite(f, HIGH);
digitalWrite(g, HIGH);
digitalWrite(dp, LOW);
break;
case 9:
digitalWrite(a, HIGH);
digitalWrite(b, HIGH);
digitalWrite(c, HIGH);
digitalWrite(d, HIGH);
digitalWrite(e, LOW);
digitalWrite(f, HIGH);
digitalWrite(g, HIGH);
digitalWrite(dp, LOW);
break;
case 10:
//Hex A
digitalWrite(a, HIGH);
digitalWrite(b, HIGH);
digitalWrite(c, HIGH);
digitalWrite(d, LOW);
digitalWrite(e, HIGH);
digitalWrite(f, HIGH);
digitalWrite(g, HIGH);
digitalWrite(dp, LOW);
break;
case 11:
//Hex B
digitalWrite(a, HIGH);
digitalWrite(b, HIGH);
digitalWrite(c, HIGH);
digitalWrite(d, HIGH);
digitalWrite(e, HIGH);
digitalWrite(f, HIGH);
digitalWrite(g, HIGH);
digitalWrite(dp, LOW);
break;
case 12:
//Hex C
digitalWrite(a, HIGH);
digitalWrite(b, LOW);
digitalWrite(c, LOW);
digitalWrite(d, HIGH);
digitalWrite(e, HIGH);
digitalWrite(f, HIGH);
digitalWrite(g, LOW);
digitalWrite(dp, LOW);
break;
case 13:
//Hex D
digitalWrite(a, HIGH);
digitalWrite(b, HIGH);
digitalWrite(c, HIGH);
digitalWrite(d, HIGH);
digitalWrite(e, HIGH);
digitalWrite(f, HIGH);
digitalWrite(g, LOW);
digitalWrite(dp, LOW);
break;
case 14:
//Hex E
digitalWrite(a, HIGH);
digitalWrite(b, LOW);
digitalWrite(c, LOW);
digitalWrite(d, HIGH);
digitalWrite(e, HIGH);
digitalWrite(f, HIGH);
digitalWrite(g, HIGH);
digitalWrite(dp, LOW);
break;
case 15:
//Hex F
digitalWrite(a, HIGH);
digitalWrite(b, LOW);
digitalWrite(c, LOW);
digitalWrite(d, LOW);
digitalWrite(e, HIGH);
digitalWrite(f, HIGH);
digitalWrite(g, HIGH);
digitalWrite(dp, LOW);
break;
default:
break;
}
}
void setDisplayNegative(int number)
{
switch (number)
{
case -8:
digitalWrite(a, HIGH);
digitalWrite(b, HIGH);
digitalWrite(c, HIGH);
digitalWrite(d, HIGH);
digitalWrite(e, HIGH);
digitalWrite(f, HIGH);
digitalWrite(g, HIGH);
digitalWrite(dp, HIGH);
break;
case -7:
digitalWrite(a, HIGH);
digitalWrite(b, HIGH);
digitalWrite(c, HIGH);
digitalWrite(d, LOW);
digitalWrite(e, LOW);
digitalWrite(f, LOW);
digitalWrite(g, LOW);
digitalWrite(dp, HIGH);
break;
case -6:
digitalWrite(a, HIGH);
digitalWrite(b, LOW);
digitalWrite(c, HIGH);
digitalWrite(d, HIGH);
digitalWrite(e, HIGH);
digitalWrite(f, HIGH);
digitalWrite(g, HIGH);
digitalWrite(dp, HIGH);
break;
case -5:
digitalWrite(a, HIGH);
digitalWrite(b, LOW);
digitalWrite(c, HIGH);
digitalWrite(d, HIGH);
digitalWrite(e, LOW);
digitalWrite(f, HIGH);
digitalWrite(g, HIGH);
digitalWrite(dp, HIGH);
break;
case -4:
digitalWrite(a, LOW);
digitalWrite(b, HIGH);
digitalWrite(c, HIGH);
digitalWrite(d, LOW);
digitalWrite(e, LOW);
digitalWrite(f, HIGH);
digitalWrite(g, HIGH);
digitalWrite(dp, HIGH);
break;
case -3:
digitalWrite(a, HIGH);
digitalWrite(b, HIGH);
digitalWrite(c, HIGH);
digitalWrite(d, HIGH);
digitalWrite(e, LOW);
digitalWrite(f, LOW);
digitalWrite(g, HIGH);
digitalWrite(dp, HIGH);
break;
case -2:
digitalWrite(a, HIGH);
digitalWrite(b, HIGH);
digitalWrite(c, LOW);
digitalWrite(d, HIGH);
digitalWrite(e, HIGH);
digitalWrite(f, LOW);
digitalWrite(g, HIGH);
digitalWrite(dp, HIGH);
break;
case -1:
digitalWrite(a, LOW);
digitalWrite(b, HIGH);
digitalWrite(c, HIGH);
digitalWrite(d, LOW);
digitalWrite(e, LOW);
digitalWrite(f, LOW);
digitalWrite(g, LOW);
digitalWrite(dp, HIGH);
break;
case 0:
digitalWrite(a, HIGH);
digitalWrite(b, HIGH);
digitalWrite(c, HIGH);
digitalWrite(d, HIGH);
digitalWrite(e, HIGH);
digitalWrite(f, HIGH);
digitalWrite(g, LOW);
digitalWrite(dp, LOW);
break;
case 1:
digitalWrite(a, LOW);
digitalWrite(b, HIGH);
digitalWrite(c, HIGH);
digitalWrite(d, LOW);
digitalWrite(e, LOW);
digitalWrite(f, LOW);
digitalWrite(g, LOW);
digitalWrite(dp, LOW);
break;
case 2:
digitalWrite(a, HIGH);
digitalWrite(b, HIGH);
digitalWrite(c, LOW);
digitalWrite(d, HIGH);
digitalWrite(e, HIGH);
digitalWrite(f, LOW);
digitalWrite(g, HIGH);
digitalWrite(dp, LOW);
break;
case 3:
digitalWrite(a, HIGH);
digitalWrite(b, HIGH);
digitalWrite(c, HIGH);
digitalWrite(d, HIGH);
digitalWrite(e, LOW);
digitalWrite(f, LOW);
digitalWrite(g, HIGH);
digitalWrite(dp, LOW);
break;
case 4:
digitalWrite(a, LOW);
digitalWrite(b, HIGH);
digitalWrite(c, HIGH);
digitalWrite(d, LOW);
digitalWrite(e, LOW);
digitalWrite(f, HIGH);
digitalWrite(g, HIGH);
digitalWrite(dp, LOW);
break;
case 5:
digitalWrite(a, HIGH);
digitalWrite(b, LOW);
digitalWrite(c, HIGH);
digitalWrite(d, HIGH);
digitalWrite(e, LOW);
digitalWrite(f, HIGH);
digitalWrite(g, HIGH);
digitalWrite(dp, LOW);
break;
case 6:
digitalWrite(a, HIGH);
digitalWrite(b, LOW);
digitalWrite(c, HIGH);
digitalWrite(d, HIGH);
digitalWrite(e, HIGH);
digitalWrite(f, HIGH);
digitalWrite(g, HIGH);
digitalWrite(dp, LOW);
break;
case 7:
digitalWrite(a, HIGH);
digitalWrite(b, HIGH);
digitalWrite(c, HIGH);
digitalWrite(d, LOW);
digitalWrite(e, LOW);
digitalWrite(f, LOW);
digitalWrite(g, LOW);
digitalWrite(dp, LOW);
break;
default:
break;
}
}