7seg_led

#include <ArduinoJson.h>

const int BUTTON = 11;  // プッシュボタンが接続されているピン
const int led_1  = 9;  // 7segLED　the one's place 
const int led_10 = 10;  // 7segLED　the ten's place 
const int led_100  = 11;  
const int led_1000 = 12; 

int val = 0;            // 入力ピンの状態がこの変数(val)に記憶される
int old_val = 0;        // valの前の値を保存しておく変数
int state = 0;          // LEDの状態(0ならオフ、1ならオン)
int state_1=0;          // the one's digit 
int state_10 =0;        // the ten's digit
int state_100 =0;        
int state_1000 =0;        

void setup(){
  //1～8番ピン　デジタル出力へセット
  for (int i=1; i<=8; i++){
    pinMode(i,OUTPUT);
  }
  pinMode(BUTTON, INPUT);  // BUTTONは入力に設定
  pinMode(led_10, OUTPUT); // 7segLED はoutput
  pinMode(led_1, OUTPUT);
  pinMode(led_100, OUTPUT); 
  pinMode(led_1000, OUTPUT);
}

//LEDレイアウトを定義
boolean Num_Array[11][8]={
  {1,1,1,0,1,0,1,1},{0,0,1,0,1,0,0,0},{1,0,1,1,0,0,1,1},{1,0,1,1,1,0,1,0},
  {0,1,1,1,1,0,0,0},{1,1,0,1,1,0,1,0},{1,1,0,1,1,0,1,1},{1,1,1,0,1,0,0,0},
  {1,1,1,1,1,0,1,1},{1,1,1,1,1,0,1,0},{0,0,0,0,1,0,0}
};

boolean Num_pointArray[11][8]={
  {1,1,1,0,1,1,1,1},{0,0,1,0,1,1,0,0},{1,0,1,1,0,1,1,1},{1,0,1,1,1,1,1,0},
  {0,1,1,1,1,1,0,0},{1,1,0,1,1,1,1,0},{1,1,0,1,1,1,1,1},{1,1,1,0,1,1,0,0},
  {1,1,1,1,1,1,1,1},{1,1,1,1,1,1,1,0},{0,0,0,0,1,0,0}
};
//LED表示関数を定義

//void NumPrint(int Number){
  
//  for (int w=0; w<=7; w++){
//  digitalWrite(w+1,Num_Array[Number][w]);
//  }
//}

void NumPrint(int Number, int Point){
  if(Point == 0){
    for (int w=0; w<=7; w++){
    digitalWrite(w+1,Num_Array[Number][w]);
    }
    digitalWrite(13,Num_Array[Number][0]);
  }
  else{
    for (int w=0; w<=7; w++){
      digitalWrite(w+1,Num_pointArray[Number][w]);
    }
    digitalWrite(13,Num_Array[Number][0]);
  }
}

void exec(JsonObject& root){
  if (!root.success()) {
     output(-1, "\"Parse error! Json invalied (10)\"", -1, -1);
    return;
  }
  const char* message = root["message"];
  float primary = root["primary"];
  float secondary = root["secondary"];
   val = digitalRead(BUTTON); // 入力を読み取りvalに格納
   float primary = 77.77;
   //state = (state+1) % 10000;
   state_1 = int(primary * 100) % 10; 
   state_10 = int(primary * 10) % 10;
   state_100 = int(primary) % 10;
   state_1000 = int(primary /10) % 10;
   
   digitalWrite(led_1000,1);
   digitalWrite(led_100,1);
   digitalWrite(led_10,1);
   digitalWrite(led_1,0);
   NumPrint(state_1,0);
   delay(3);
   digitalWrite(led_1000,1);
   digitalWrite(led_100,1);
   digitalWrite(led_10,0);
   digitalWrite(led_1,1);
   NumPrint(state_10,0);
delay(3);
   digitalWrite(led_1000,1);
   digitalWrite(led_100,0);
   digitalWrite(led_10,1);
   digitalWrite(led_1,1);
   NumPrint(state_100,1);
delay(3);
   digitalWrite(led_1000,0);
   digitalWrite(led_100,1);
   digitalWrite(led_10,1);
   digitalWrite(led_1,1);
   NumPrint(state_1000,0);
     
   delay(3);
}

void loop(){
  if(Serial.available() > 0){
    c = Serial.read();
    if(c == '{'){
      buf = "";
      buf.concat(c);
      parsing = true;
      
    }else if(c == '}'){
      buf.concat(c);
      parsing = false;
      StaticJsonBuffer<200> jsonBuffer;
      JsonObject& root = jsonBuffer.parseObject(buf);
      exec(root);
      buf = "";
            
    }else{
      if(parsing){
        buf.concat(c);
      }
    }
  }
}