led.cpp

#include "core.h"
#include <iostream>
#define A 0
#define B 1
#define C 2
#define D 3
#define E 4
#define F 5
#define G 6
#define DP 7

#define First_num 8
#define Second_num 9

//初始化0~7管脚
void INIT(){
    int i=0;
    for(i;i<=9;i++){
        digitalWrite(i, HIGH);
    }
}

void first_close_all(){
    int i=0;
    for(i;i<=7;i++){
        digitalWrite(i, HIGH);
    }
}

void second_close_all(){
    int i=0;
    for(i;i<=7;i++){
        digitalWrite(i, LOW);
    }
}
//数字1
void num_one(){
    digitalWrite(B, LOW);
    digitalWrite(C, LOW);
}
//数字2
void num_two(){
    digitalWrite(A, LOW);
    digitalWrite(B, LOW);
    digitalWrite(G, LOW);
    digitalWrite(E, LOW);
    digitalWrite(D, LOW);
}
//数字3
void num_three(){
    digitalWrite(A, LOW);
    digitalWrite(B, LOW);
    digitalWrite(G, LOW);
    digitalWrite(C, LOW);
    digitalWrite(D, LOW);
}
//数字4
void num_four(){
    digitalWrite(F, LOW);
    digitalWrite(G, LOW);
    digitalWrite(B, LOW);
    digitalWrite(C, LOW);
}
//数字5
void num_five(){
    digitalWrite(A, LOW);
    digitalWrite(F, LOW);
    digitalWrite(G, LOW);
    digitalWrite(C, LOW);
    digitalWrite(D, LOW);
}
//数字6
void num_six(){
    digitalWrite(A, LOW);
    digitalWrite(F, LOW);
    digitalWrite(E, LOW);
    digitalWrite(D, LOW);
    digitalWrite(C, LOW);
    digitalWrite(G, LOW);
}
//数字7
void num_seven(){
    digitalWrite(A, LOW);
    digitalWrite(B, LOW);
    digitalWrite(C, LOW);
}
//数字8
void num_eight(){
    digitalWrite(A, LOW);
    digitalWrite(B, LOW);
    digitalWrite(C, LOW);
    digitalWrite(D, LOW);
    digitalWrite(E, LOW);
    digitalWrite(F, LOW);
    digitalWrite(G, LOW);
}
//数字9
void num_nine(){
    digitalWrite(G, LOW);
    digitalWrite(F, LOW);
    digitalWrite(A, LOW);
    digitalWrite(B, LOW);
    digitalWrite(C, LOW);
    digitalWrite(D, LOW);
}
//数字0
void num_zero(){
    int i=0;
    for(i;i<=5;i++){
        digitalWrite(i, LOW);
    }
}

// 显示数字
void display_first(int num){
    INIT();
    digitalWrite(First_num, HIGH);
    digitalWrite(Second_num, LOW);
    switch(num){
        case 1:num_one();break;
        case 2:num_two();break;
        case 3:num_three();break;
        case 4:num_four();break;
        case 5:num_five();break;
        case 6:num_six();break;
        case 7:num_seven();break;
        case 8:num_eight();break;
        case 9:num_nine();break;
        default:num_zero();break;
    }
    delay(1);
}

void display_second(int num){
    INIT();
    digitalWrite(First_num, LOW);
    digitalWrite(Second_num, HIGH);
    switch(num){
        case 1:num_one();break;
        case 2:num_two();break;
        case 3:num_three();break;
        case 4:num_four();break;
        case 5:num_five();break;
        case 6:num_six();break;
        case 7:num_seven();break;
        case 8:num_eight();break;
        case 9:num_nine();break;
        default:num_zero();break;
    }
    delay(1);
}

void setup(){
    int i=0;
    for(i;i<=9;i++){
        pinMode(i,OUTPUT);
    }
}

void loop(){
    int i,j;
    int first_num,second_num;
    for(i=0;i<=99;i++){
        if(i < 10){
            for(j=0;j<20;j++){
                display_second(i);
                delay(49);
            } 
        }else{
            for(j=0;j<500;j++){
                first_num = i / 10;
                second_num = i % 10;
                display_first(first_num);
                display_second(second_num);
            }
        }
    }

    for(i=99;i>=0;i--){
        if(i < 10){
            for(j=0;j<20;j++){
                display_second(i);
                delay(49);
            } 
        }else{
            for(j=0;j<500;j++){
                first_num = i / 10;
                second_num = i % 10;
                display_first(first_num);
                display_second(second_num);
            }
        }
    }
}