Timer 0 controls the flashing time of the LED; counter 1 controls the display of the digital tube

/*

Timer 0 controls the flashing time of the LED; counter 1 controls the display of the digital tube

*/

#include

#define uint unsigned int

#define uchar unsigned char

sbit DULA = P2^6;

sbit WELA = P2^7;

sbit LED1 = P1^0;

void display(uint i);

void delay(uint z);

uchar code arry[] = {0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f};

void delay(uint z)

{

    uint a,b;

    for(a = z;a > 0;a--){

        for(b = 114;b > 0;b--);

    }

}

void display(uint i)

{

    uint one,two; //This is two digits. If you use a three-digit digital tube, set a hundred digit, then the hundred digit is i/100; the ten digit is i%100/10; the one digit is i%10

    one = i / 10;

    two = i % 10;

    P0 = 0xff;

    WELA = 1; //Open bit selection

    P0 = 0xfe;

    WELA = 0;

    DULA = 1; //Open segment selection

    P0 = arry[one];

    DULA = 0;

    delay(5);

    P0 = 0xff;

    WELA = 1; //Open bit selection

    P0 = 0xfd;

    WELA = 0;

    DULA = 1; //Open segment selection

    P0 = arry[two];

    DULA = 0;

    delay(5);

}

void main(void)

{

    uchar a;

    TR0 = 1; //Turn on timer 0

    TR1 = 1; //Turn on timer 1

    TMOD = 0x61; //Set T1 as counter, working mode 2; T0 as timer, working mode 1  

    TH0 = 0x4b;

    TL0 = 0xfc;

    TH1 = 0; //This is an 8-bit auto-reload register

    TL1 = 0; //When TL1 is full, reload the value of TH1

    while(1){

            if(TF0 == 1){

                TH0 = 0x4b; //Reload initial value

                TL0 = 0xfc;

                TF0 = 0;

                a++;

            }

            if(a == 20){

                LED1 = ~LED1; //Initially light up the LED, and each inversion changes the state

                a = 0;

            }

            display(TL1); //Use Dupont wire to connect P10 port and external pin P35 (T1 port);

                       //The counter is based on each external pulse, the counter will be +1

                       //So when the state of LED1 changes once, a different level signal will be generated.

                       //The Dupont line can make T1 port sense it, and the counter will be +1

    }

}