//Defines the sequence of boolean sets to display hexadecimal values of variable ‘count’ on 7 segment display
byte seven_segment_digits[16][7] = {
{ 0,0,0,0,0,0,1 }, // display '0'
{ 1,0,0,1,1,1,1 }, // display '1'
{ 0,0,1,0,0,1,0 }, // display '2'
{ 0,0,0,0,1,1,0 }, // display '3'
{ 1,0,0,1,1,0,0 }, // display '4'
{ 0,1,0,0,1,0,0 }, // display '5'
{ 0,1,0,0,0,0,0 }, // display '6'
{ 0,0,0,1,1,1,1 }, // display '7'
{ 0,0,0,0,0,0,0 }, // display '8'
{ 0,0,0,1,1,0,0 }, // display'9'
{ 0,0,0,1,0,0,0 }, // display 'A'
{ 1,1,0,0,0,0,0 }, // display 'b'
{ 0,1,1,0,0,0,1 }, // display 'C'
{ 1,0,0,0,0,1,0 }, // display 'd'
{ 0,1,1,0,0,0,0 }, // display 'E'
{ 0,1,1,1,0,0,0 } // display 'F'
};
int count = 0; // initialize counter variable
void setup() {
// Setup code which runs once
//Configures each pin connected to the 7-segment display as output
pinMode(3, OUTPUT); // set segment A as output
pinMode(4, OUTPUT); // set segment B as output
pinMode(5, OUTPUT); // set segment C as output
pinMode(6, OUTPUT); // set segment D as output
pinMode(7, OUTPUT); // set segment E as output
pinMode(8, OUTPUT); // set segment F as output
pinMode(9, OUTPUT); // set segment G as output
pinMode(10, OUTPUT); // set dot as output
// Configure pin connected to button switch 2 as input
pinMode(11, INPUT); // set button switch as input
//Configure pin connected to tilt switch as input
pinMode(tiltPin, INPUT);
for(int i = 3; i < 10; i++) { // start with segments off
digitalWrite(i, HIGH);
}
digitalWrite(10, HIGH); // start with the dot off
//Sets pin 11 (onboard switch 2) to interrupt using function ‘increment’
attachInterrupt(digitalPinToInterrupt(11), increment, RISING);
//Sets tiltPin (tilt switch) to interrupt using function ‘reset’
attachInterrupt(digitalPinToInterrupt(tiltPin), reset, RISING);
}
void loop() {
//Function that displays the value of ‘count’ on the 7 segment display
int pin = 3;
for (int segCount = 0; segCount < 7; ++segCount) {
digitalWrite(pin, seven_segment_digits[count][segCount]);
++pin;
}
}
void increment(){
//Function that increments variable ‘count’ by 1
if (count > 14)
{
count = 0;
}
else
{
count = count + 1;
}
delayMicroseconds(500000);
}
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