//按指撥開關0000 001顯示1， //按指撥開關10000 001顯示，超過120顯示Err

 unsigned long time1 = 0;

int seg7_pin[] = {2, 3, 4, 5, 6, 7, 8};

int weight[] = {64, 32, 16, 8, 4, 2, 1};

unsigned char  seg7_table[] = {~0xc0, ~0xf9, ~0xa4, ~0xb0, ~0x99,

                               ~0x92, ~0x82, ~0xf8, ~0x80, ~0x90,

                               ~0x86, ~0xAF

                              };

unsigned char scan_line_pin[] = {9, 10, 11, 12}; //掃描線從com0個位數開始掃描

//3 2 1 0所以每認-1即依續scan個十百千

int dip_sw[] = {13, 14, 15, 16, 17, 18, 19};

int num_val;

int cnt_val = 0;

int value;

unsigned int number;

int i;

int j;

void setup()

{

  Serial.begin(9600);

  for (int g = 0; g < 5; g++)

  {

    pinMode(dip_sw[g], INPUT);

  }

  for (int m = 0; m < 4; m++)

  {

    pinMode(scan_line_pin[m], OUTPUT);

    //digitalWrite(scan_line_pin[m], LOW);

  }

  for (int s = 0; s < 7; s++)

  {

    pinMode(seg7_pin[s], OUTPUT);

    digitalWrite(seg7_pin[s], LOW);

  }

}

//----------------------------------

void outport(byte data)//呼叫個別數字副程式

{

  for (int k = 0; k < 7; k++)

  {

    if (data % 2 == 1)//整數部分連除法，從a開始取到g

      digitalWrite(seg7_pin[k], HIGH);

    else

      digitalWrite(seg7_pin[k], LOW);

    data = data / 2;//每除完一次除2

  }

}

void loop()

{

  //num_val = cnt_val;//因為每認數字不同，所以要有兩個變數一個為原有的，一個為新加1的數值

  number = 0;

  for (int ii = 0; ii < 7; ii++)//7個dip，如果數字用錯會出現亂碼

  {

    value = digitalRead(dip_sw[ii]);

    if (value == HIGH)

    {

      number = number + weight[ii];

      if (number > 120)

      {

        for (int s = 0; s < 10; s++)//此數字要去測，外圈掃描個10次

        {

          for (int q = 0; q < 50; q++)//內圈掃瞄個50次

          {

            digitalWrite(scan_line_pin[2], HIGH); outport(seg7_table[10]);

            //Serial.print("seg7_table[10]="); Serial.println(seg7_table[10]);善用Serial除錯

            delay(1); digitalWrite(scan_line_pin[2], LOW);

            digitalWrite(scan_line_pin[1], HIGH); outport(seg7_table[11]); delay(1); digitalWrite(scan_line_pin[1], LOW);

            digitalWrite(scan_line_pin[0], HIGH); outport(seg7_table[11]); delay(1); digitalWrite(scan_line_pin[0], LOW);

          }

        }

      }

    }

  }

  //Serial.print("number="); Serial.println(number); delay(1000);

  for ( i = 0; i < 4; i++) //scan從index=0  9 10 11 12

  {

    for ( j = 0; j < 7; j++)//此loop只是在跑7段顯示器的腳位

    {

      outport(seg7_table[number % 10]);//呼叫副程式，先取mod 10 餘數，從個位數開始取，

      //      Serial.println(j);debug結束後要把Serial刪掉，否則會有閃樂現象，因為他會佔用時間

      //      Serial.println(num_val);

    }//即個位數的com0高電位，送字

    digitalWrite(scan_line_pin[i], HIGH); delay(1);//亮個位數2ms 七段顯示數字，再十位數，七段顯示數字

    digitalWrite(scan_line_pin[i], LOW);//在把個十百千

    number = number / 10;//取餘數完再除10

  }

}