presentationTimer.ino

 
int LED_ports[] = {6,9,11};
int speakerPort = 3;
int switchPort = 2;
 
boolean is_presentation = false;
boolean is_question = false;
boolean is_end = false;
boolean is_waiting = true;
 
int LED_Selector = 0;
int timer;
int presentationTime = 5 * 1000;
int questionTime = 3 * 1000;
int endTime;
 
int switchVal = 1;
int switchOldVal = 1;
 
void initialize(void);
void Beep(int time);
void LED_Blink(boolean is_on);
 
//LED 引数 true => on false => off
void LED_Blink(boolean is_on){
  int status = is_on ?  LOW:HIGH;
	digitalWrite(LED_ports[LED_Selector],status); //LED点灯
}
 
//音鳴らし用
void Beep(int time=100){
	//tone(port , Hz , Time)
	tone(speakerPort,440,time);
        delay(time);
}
//初期化用関数
void initialize(void){
	endTime = presentationTime + questionTime;
	LED_Selector = 0;
	timer = 0;
	is_presentation = true;
     digitalWrite(LED_ports[0],HIGH);
        digitalWrite(LED_ports[1],HIGH);
        digitalWrite(LED_ports[2],HIGH);
}
 
void setup(){
	pinMode(speakerPort,OUTPUT);
	pinMode(LED_ports[0],OUTPUT);
	pinMode(LED_ports[1],OUTPUT);
	pinMode(LED_ports[2],OUTPUT);
	pinMode(switchPort,INPUT);
        digitalWrite(LED_ports[0],HIGH);
        digitalWrite(LED_ports[1],HIGH);
        digitalWrite(LED_ports[2],HIGH);
	//initialize();
}
 
void loop(){
	//スイッチがオンなら初期化する
	switchVal = digitalRead(switchPort);
	if((switchVal == LOW) && (switchOldVal == HIGH)){
            if(is_waiting){  
              initialize();
              is_waiting = false;
            }else{
              is_waiting = true;
            }
	}
 
 
	//プレゼンテーション時間中の挙動
	if(is_presentation){
LED_Blink(true);
  		//プレゼン終了時刻なら質問時間へ
		if(presentationTime <= timer){
			Beep();
			is_presentation = false;
			is_question = true;
			LED_Blink(false);
			LED_Selector += 1;
		}
	//質問時間中の挙動
	}else if(is_question){
LED_Blink(true);		
  if(endTime <= timer){
			Beep();
			Beep(1000);
			LED_Blink(false);
			is_question = false;
                        is_end = true;
			LED_Selector += 1;
		}
	}else if(is_end){
LED_Blink(true);
}
	
 
	delay(10);
	timer += 10;
	switchOldVal = switchVal;
}