const int L_SW_PIN = 4;
const int R_SW_PIN = 3;
const int A_PIN = 1;
const int B_PIN = 2;
const int LED_PIN = 0;
int mode = 0; // 0→マニュアル 1→ex1 2→ex2
int L_sw_value = 0;
long L_sw_count = 0;
int R_sw_value = 0;
long R_sw_count = 0;
boolean A_state = false;
boolean B_state = false;

void setup() {
  pinMode(L_SW_PIN, INPUT_PULLUP);
  pinMode(R_SW_PIN, INPUT_PULLUP);
  pinMode(A_PIN, OUTPUT);
  pinMode(B_PIN, OUTPUT);
  pinMode(LED_PIN, OUTPUT);
  digitalWrite(A_PIN, HIGH); // 電源オン時LED点灯
  delay(300);
  digitalWrite(LED_PIN, HIGH);
  delay(300);
  digitalWrite(B_PIN, HIGH);
  delay(300);
  digitalWrite(A_PIN, LOW);    
  digitalWrite(LED_PIN, LOW);
  digitalWrite(B_PIN, LOW);    
}
 // ループをオン
void on_A() {
  A_state = true;
  digitalWrite(A_PIN, HIGH);
}
void on_B() {
  B_state = true;
  digitalWrite(B_PIN, HIGH);
}
 // ループをオフ
void off_A() {
  A_state = false;
  digitalWrite(A_PIN, LOW);
}
void off_B() {
  B_state = false;
  digitalWrite(B_PIN, LOW);
}
 // ループのオンオフ切替
void chg_A() {
  if(A_state) {
    off_A();
  } else {
    on_A();
  }
}
void chg_B() {
  if(B_state) {
    off_B();
  } else {
    on_B();
  }
}
void loop() {
  // 中央LEDの処理
  if (mode == 0) {
    digitalWrite(LED_PIN, LOW);
  } else {
    digitalWrite(LED_PIN, HIGH);
  }
  
  L_sw_value = digitalRead(L_SW_PIN);
  if (L_sw_value == LOW) {
      L_sw_count += 1;
  } else {
    L_sw_count = 0;
  }
  
  R_sw_value = digitalRead(R_SW_PIN);
  if (R_sw_value == LOW) {
      R_sw_count += 1;
  } else {
    R_sw_count = 0;
  }
  
   // 左フットスイッチ短押
   if (L_sw_count == 10) {
    if (mode == 0) {
      chg_B();
    } else if (mode == 1) {
      mode = 2;
      on_A();
      on_B();
    } else {
      mode = 1;
      off_A();
      on_B();
    }
  }
  // 右フットスイッチ短押
  if (R_sw_count == 10) {
    if (mode == 0) {
      chg_A();
    } else if (mode == 1) {
      chg_A();
      chg_B();
    } else {
      mode = 1;
      on_A();
      off_B();
    }
  }
  // 左フットスイッチ長押
  if (L_sw_count == 1000) {
    if (mode == 0) {
      mode = 1;
      if(A_state) {
        off_B();
      } else {
        on_B();
      }
    }
  }
  // 右フットスイッチ長押
  if (R_sw_count == 1000) {
    if (mode == 0) {
    } else {
      mode = 0;
      off_A();
      off_B();
    } 
  }
  delay(1);
}

#define SW_PIN 3
#define BYPASS_PIN 0
#define FX_ON_PIN 1
#define LED_PIN 4

int sw_value = 0;
long sw_count = 0; // intだとオーバーフローするかも
boolean fx_state = false;

void setup() {
  pinMode(SW_PIN, INPUT_PULLUP); // 内部プルアップ抵抗有効
  pinMode(BYPASS_PIN, OUTPUT);
  pinMode(FX_ON_PIN, OUTPUT);
  pinMode(LED_PIN, OUTPUT);
  digitalWrite(BYPASS_PIN, HIGH); // 初期値はバイパス
  digitalWrite(FX_ON_PIN, LOW);
  digitalWrite(LED_PIN, HIGH); // 電源オン時LEDが2回点灯
  delay(300);
  digitalWrite(LED_PIN, LOW);
  delay(300);
  digitalWrite(LED_PIN, HIGH);
  delay(300);
  digitalWrite(LED_PIN, LOW);
}

void loop() {
  sw_value = digitalRead(SW_PIN);
  if (sw_value == LOW) {
    sw_count += 1;
  } else {
    sw_count = 0;
  }
  
  if (sw_count == 10) {  // 10msスイッチ押すとエフェクト切替（チャタリング対策）
    fx_state = !fx_state;
    if (fx_state) {
      digitalWrite(FX_ON_PIN, HIGH); // HIGHにするピンの順番が逆だとポップノイズあり
      delay(2); // これがないとポップノイズあり
      digitalWrite(BYPASS_PIN, LOW);
      digitalWrite(LED_PIN, HIGH);
    } else {
      digitalWrite(BYPASS_PIN, HIGH);
      delay(2);
      digitalWrite(FX_ON_PIN, LOW);
      digitalWrite(LED_PIN, LOW);
    }
  }
  delay(1);
}