#define SEG_A 2
#define SEG_B 3
#define SEG_C 4
#define SEG_D 5
#define SEG_E 6
#define SEG_F 7
#define SEG_G 8
#define SEG_H 9
#define COM1 10
#define COM2 11
#define COM3 12
#define COM4 13
unsigned char table[10][8] =
{
{0, 0, 1, 1, 1, 1, 1, 1},
{0, 0, 0, 0, 0, 1, 1, 0},
{0, 1, 0, 1, 1, 0, 1, 1},
{0, 1, 0, 0, 1, 1, 1, 1},
{0, 1, 1, 0, 0, 1, 1, 0},
{0, 1, 1, 0, 1, 1, 0, 1},
{0, 1, 1, 1, 1, 1, 0, 1},
{0, 0, 0, 0, 0, 1, 1, 1},
{0, 1, 1, 1, 1, 1, 1, 1},
{0, 1, 1, 0, 1, 1, 1, 1}
};
void setup()
{
pinMode(SEG_A,OUTPUT);
pinMode(SEG_B,OUTPUT);
pinMode(SEG_C,OUTPUT);
pinMode(SEG_D,OUTPUT);
pinMode(SEG_E,OUTPUT);
pinMode(SEG_F,OUTPUT);
pinMode(SEG_G,OUTPUT);
pinMode(SEG_H,OUTPUT);
pinMode(COM1,OUTPUT);
pinMode(COM2,OUTPUT);
pinMode(COM3,OUTPUT);
pinMode(COM4,OUTPUT);
}
void loop()
{
Display(1,1);
delay(500);
Display(2,2);
delay(500);
Display(3,3);
delay(500);
Display(4,4);
delay(500);
}
void Display(unsigned char com,unsigned char num)
{
digitalWrite(SEG_A,LOW);
digitalWrite(SEG_B,LOW);
digitalWrite(SEG_C,LOW);
digitalWrite(SEG_D,LOW);
digitalWrite(SEG_E,LOW);
digitalWrite(SEG_F,LOW);
digitalWrite(SEG_G,LOW);
digitalWrite(SEG_H,LOW);
switch(com)
{
case 1:
digitalWrite(COM1,LOW);
digitalWrite(COM2,HIGH);
digitalWrite(COM3,HIGH);
digitalWrite(COM4,HIGH);
break;
case 2:
digitalWrite(COM1,HIGH);
digitalWrite(COM2,LOW);
digitalWrite(COM3,HIGH);
digitalWrite(COM4,HIGH);
break;
case 3:
digitalWrite(COM1,HIGH);
digitalWrite(COM2,HIGH);
digitalWrite(COM3,LOW);
digitalWrite(COM4,HIGH);
break;
case 4:
digitalWrite(COM1,HIGH);
digitalWrite(COM2,HIGH);
digitalWrite(COM3,HIGH);
digitalWrite(COM4,LOW);
break;
default:break;
}
digitalWrite(SEG_A,table[num][7]);
digitalWrite(SEG_B,table[num][6]);
digitalWrite(SEG_C,table[num][5]);
digitalWrite(SEG_D,table[num][4]);
digitalWrite(SEG_E,table[num][3]);
digitalWrite(SEG_F,table[num][2]);
digitalWrite(SEG_G,table[num][1]);
digitalWrite(SEG_H,table[num][0]);
}
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