#include <Adafruit_SSD1306.h>
#include "Model.h"
#include "View.h"

#define BUZZER_POS_PIN  8
#define TACT_SW_A_PIN   4
#define TACT_SW_B_PIN   5
#define TACT_SW_C_PIN   6
#define TACT_SW_D_PIN   7
#define TACT_SW_DETECT_PIN  2

volatile uint8_t swNum = 0;
View view;
Model model;

void callbackTactSw() {
  if(swNum == 0) {
    if (digitalRead(TACT_SW_A_PIN) == HIGH) {
      swNum += 1;
    }
    if (digitalRead(TACT_SW_B_PIN) == HIGH) {
      swNum += 2;
    }
    if (digitalRead(TACT_SW_C_PIN) == HIGH) {
      swNum += 4;
    }
    if (digitalRead(TACT_SW_D_PIN) == HIGH) {
      swNum += 8;
    }
  }
}

void setup() {
  Serial.begin(115200);
  // 入力ピン
  pinMode(TACT_SW_A_PIN, INPUT);
  pinMode(TACT_SW_B_PIN, INPUT);
  pinMode(TACT_SW_C_PIN, INPUT);
  pinMode(TACT_SW_D_PIN, INPUT);
  pinMode(TACT_SW_DETECT_PIN, INPUT);

  // 外部割込み
  attachInterrupt(digitalPinToInterrupt(TACT_SW_DETECT_PIN), callbackTactSw, RISING);

  view.Begin(&model);
  model.Begin(&view);
}

void loop() {
  if (swNum) {
    view.Show();
    Serial.println(swNum);
    swNum = 0;
  }
}