关于arduino的编程题，进链接查看文本和演示视频，会的留下代码

Question

链接: https://pan.baidu.com/s/1WQIr13z-dVVgjUFZ5RMBtg

提取码: 5git 

Answer 1

#include <funshield.h>

int st;
int st2;
int fd1;
int fd2;
int fd1_l;
int fd2_l;
int count;
int i_t;
int t_t;
int t_t2;
int su;
int sd;

void setup() {	
	pinMode(led1_pin,OUTPUT);	
	pinMode(led2_pin,OUTPUT);	
	pinMode(led3_pin,OUTPUT);	
	pinMode(led4_pin,OUTPUT);	
	pinMode(button1_pin,INPUT);	
	pinMode(button2_pin,INPUT);	
	st=0;
	st2=0;
	count=0;
}

void loop() {	
	
	if(digitalRead(button1_pin)){
		if(st==0){
			count++;
			st=1;
			t_t=micros();
		}
		if(st==1){
			if(micros()-t_t>1000000){
				count++;
				st=2;
				t_t=micros();	
			}
		}
		if(st==2){
			if(micros()-t_t>300000){
				count++;
				t_t=micros();
			}
		}
	}
	else{
		st=0;
	}

	if(digitalRead(button2_pin)){
		if(st2==0){
			count--;
			st2=1;
			t_t2=micros();
		}
		if(st2==1){
			if(micros()-t_t2>1000000){
				count--;
				st2=2;
				t_t2=micros();	
			}
		}
		if(st2==2){
			if(micros()-t_t2>300000){
				count--;
				t_t2=micros();
			}
		}
	}
	else{
		st2=0;
	}


	if(count>15){
		count=0;
	}
	if(count<0){
		count=15;
	}
	if(count&0x01){
		digitalWrite(led4_pin,ON);
	}
	else{
		digitalWrite(led4_pin,OFF);
	}
	if(count&0x02){
		digitalWrite(led3_pin,ON);
	}
	else{
		digitalWrite(led3_pin,OFF);
	}
	if(count&0x04){
		digitalWrite(led2_pin,ON);
	}
	else{
		digitalWrite(led2_pin,OFF);
	}
	if(count&0x08){
		digitalWrite(led1_pin,ON);
	}
	else{
		digitalWrite(led1_pin,OFF);
	}

}