蓝桥杯单片机十二届模拟题

最新推荐文章于 2025-04-07 23:52:06 发布

毛头小子101

最新推荐文章于 2025-04-07 23:52:06 发布

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文章标签：单片机

本文链接：https://blog.youkuaiyun.com/weixin_45971985/article/details/115735113

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在这里插入图片描述

main.c

#include "main.h"

uint vain1,vain3;
uint vp1 = 250,vp3 = 300;
bit s4;
bit s5;
bit v_flag;

sbit L1 = P0^0;
sbit L2 = P0^1;
sbit L3 = P0^2;
sbit L4 = P0^3;
sbit L5 = P0^4;
void timer0Init()
{
	TMOD = 0X01;
	TH0 = (65535-2000)/256;
	TL0 = (65535-2000)%256;
	EA = 1;
	ET0 = 1;
	TR0 = 1;
}

void key()
{
	if(P33 == 0)
	{
		Delay5ms();
		if(P33 == 0)
		{
			s4 = ~s4;
		}
		while(!P33);
	}
	else if(P32 == 0)
	{
		Delay5ms();
		if(P32 == 0)
		{
			s5 = ~s5;
		}
		while(!P32);
	}
	else if(P31 == 0)
	{
		Delay5ms();
		if(P31 == 0)
		{
			if(s5 == 1)
			{
				if(s4 == 0){vp1 += 20;}
				else if(s4 == 1){vp3 += 20;}
			}
			if(vp1 == 510){vp1 = 10;}
			if(vp3 == 520){vp3 = 0;}
		}
		while(!P31);
	}
	else if(P30 == 0)
	{
		Delay5ms();
		if(P30 == 0)
		{
			if(s5 == 1)
			{
				if(s4 == 0){vp1 -= 20;}
				else if(s4 == 1)
				{
					if(vp3 == 0){vp3 = 520;}
					vp3 -= 20;
				}
			}
			if(vp1 == 10){vp1 = 490;}	
		}
		while(!P30);
	}
}

void main()
{
	Y5; P0=0x00;
	Y4; P0=0xff;
	timer0Init();
	while(1)
	{
		key();
		if(s5 == 0)
		{
			if(s4 == 0){seg_display(21,1,20,20,20,vain1/100,vain1%100/10,vain1%10);}
			else{seg_display(21,3,20,20,20,vain3/100,vain3%100/10,vain3%10);}
		}
		if(s5 == 1)
		{
			if(s4 == 0)
			{seg_display(22,1,20,20,20,vp1/100,vp1%100/10,vp1%10);}
			else{seg_display(22,3,20,20,20,vp3/100,vp3%100/10,vp3%10);}	
		}
	}
}

void timer0() interrupt 1
{
	uchar ms;
	TH0 = (65535-2000)/256;
	TL0 = (65535-2000)%256;
	seg();
	ms++;
	
	
	if(ms%40 == 0){v_flag = ~v_flag;}
	if(v_flag == 0){vain1 = read_IIC(0x01);}
	else if(v_flag == 1){vain3 = read_IIC(0x03);}
	
	if(ms%250 == 0)
	{
		Y4;P0 = 0xff;
		if(vain1>vp1){L1 = 0;}
		else{L1 =  1;}
		if(vain3>vp3){L2 = 0;}
		else{L2 = 1;}
		if(s4 == 0){L3 = 0;}
		else {L3 = 1;}
		if(s5 == 1){L4 = 0;}
		else {L4 = 1;}
		if(vain1>vain3){L5 = 0;}
		else {L5 = 1;}
		Y0;
		ms = 0;
	}
}


```c