2021年8月4日 星期三

0807 閃三下

 int buzzer=13;

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

int scan_line[]={9,10,11,12};

int seg7_table[]={~0xc0,~0xf9,~0xa4,~0xb0,~0x99,~0x92,~0x82,~0xf8,~0x80,~0x90};

int i;

int j;

int times=0;

void setup() 

{

 int a;

 pinMode(buzzer,OUTPUT);

 for(a=0;a<7;a++)

 {

  pinMode(seg7_pin[a],OUTPUT);

 }

}

void outport(byte data)

{

  int x;

  for(x=0;x<7;x++)

  {

    if(data%2==1)

     digitalWrite(seg7_pin[x],HIGH);

    else

      digitalWrite(seg7_pin[x],LOW);

    data=data/2;

  }

}

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

void initial()

{

   for(i=0;i<4;i++)

   {

    for(j=0;j<50;j++)

    {

     outport(seg7_table[0]);digitalWrite(scan_line[0],HIGH);delay(5); digitalWrite(scan_line[0],LOW);

     outport(seg7_table[8]);digitalWrite(scan_line[1],HIGH);delay(5); digitalWrite(scan_line[1],LOW);

     outport(seg7_table[0]);digitalWrite(scan_line[2],HIGH);delay(5); digitalWrite(scan_line[2],LOW);

     outport(seg7_table[7]);digitalWrite(scan_line[3],HIGH);delay(5); digitalWrite(scan_line[3],LOW);

    }

    delay(1500);

   }

}

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

void loop()

{

  if(times==0)

  {

    times=1;

    initial();

    tone(buzzer,500,500);delay(1000);

    tone(buzzer,500,500);delay(1000);

    tone(buzzer,500,500);delay(1000);

  }

}

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