Keyestudio ARDUINO maker learning kit, Manual

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38
Sample program
//////////////////////////////////////////////////////////
int redled=8;
// set red LED as “output”
int yellowled=7; // set yellow LED as “output”
int greenled=6;
// set green LED as “output”
int redpin=5; // initialize pin for red button
int yellowpin=4; // initialize pin for yellow button
int greenpin=3;
// initialize pin for green button
int restpin=2; // initialize pin for reset button
int red;
int yellow;
int green;
void setup()
{
pinMode(redled,OUTPUT);
pinMode(yellowled,OUTPUT);
pinMode(greenled,OUTPUT);
pinMode(redpin,INPUT);
pinMode(yellowpin,INPUT);
pinMode(greenpin,INPUT);
}
void loop() // repeatedly read pins for buttons
{
red=digitalRead(redpin);
yellow=digitalRead(yellowpin);
green=digitalRead(greenpin);
if(red==LOW)RED_YES();
if(yellow==LOW)YELLOW_YES();
if(green==LOW)GREEN_YES();
}
void RED_YES()// execute the code until red light is on; end cycle when reset button is pressed
{
while(digitalRead(restpin)==1)
{
digitalWrite(redled,HIGH);
digitalWrite(greenled,LOW);
digitalWrite(yellowled,LOW);
}
clear_led();
}