单片机设计的防误踩油门系统 Proteus仿真程序 -

#include "reg52.h" //此文件中定义了单片机的一些特殊功能寄存器
#include <intrins.h> //因为要用到左右移函数，所以加入这个头文件
#define uchar unsigned char
#define uint unsigned int
#define LCDLCDDisp_Off 0x3e
#define LCDLCDDisp_On 0x3f
#define Page_Add 0xb8//ye
#define LCDCol_Add 0x40//lie
#define Start_Line 0xC0//hang
#define data_ora P0 /*液晶数据总线*/
sbit k1=P1^4;
sbit k2=P1^5;
sbit k3=P1^6;
sbit k4=P1^7;
sbit beep=P1^1;
sbit moto=P1^0;
sbit LCDMcs=P2^1 ; /*片选1*/
sbit LCDScs=P2^2 ; /*片选2*/
sbit RESET=P2^3 ; /*复位信号*/
sbit LCDDi=P2^4 ; /*数据/指令选择*/
sbit LCDRW=P2^5 ; /*读/写选择*/
sbit LCDEnable=P2^6 ; /*读/写使能*/
uchar *tab;
uint k=0;
uint q=0;
uchar code hz1[]=
{
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
/*-- 文字: 安 --*/
/*-- 楷体_GB231212; 此字体下对应的点阵为：宽x高=16x16 --*/
0xFF,0xFF,0xFF,0x8F,0xEF,0xEF,0x2D,0xF5,0xF3,0x77,0x57,0x67,0x7F,0x7F,0x7F,0xFF,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00
};
void LCDdelay(uchar x)
{
int d;
uchar y;
for(y=0;y<x;y++)
for(d=0;d<10;d++);
}
void CheckState()
{
uchar dat,DATA;//状态信息（判断是否忙）
LCDDi=0; // 数据\指令选择，D/I（RS）="L" ，表示 DB7∽DB0 为显示指令数据
LCDRW=1; //R/W="H" ，E="H"数据被读到DB7∽DB0
do
{
DATA=0x00;
LCDEnable=1; //EN下降源
LCDdelay(1); //延时
dat=DATA;
LCDEnable=0;
dat=0x80 & dat; //仅当第7位为0时才可操作(判别busy信号)
}
while(!(dat==0x00));
}
void write_com(uchar cmdcode)
{
CheckState();//检测LCD是否忙
LCDDi=0;
LCDRW=0;
P0=cmdcode;
LCDdelay(1);
LCDEnable=1;
LCDdelay(1);
LCDEnable=0;
}
void write_data(uchar LCDDispdata)
{
CheckState();//检测LCD是否忙
LCDDi=1;
LCDRW=0;
P0=LCDDispdata;
LCDdelay(1);
LCDEnable=1;
LCDdelay(1);
LCDEnable=0;
}
void init_lcd()
{
LCDdelay(1);
LCDMcs=1;//刚开始关闭两屏
LCDScs=1;
LCDdelay(1);
write_com(LCDLCDDisp_Off);//写初始化命令
write_com(Page_Add+0);
write_com(Start_Line+0);
write_com(LCDCol_Add+0);
write_com(LCDLCDDisp_On);
}
void Clr_Scr()
{
uchar j,k;
LCDMcs=0; //左、右屏均开显示
LCDScs=0;
write_com(Page_Add+0);
write_com(LCDCol_Add+0);
for(k=0;k<8;k++)//控制页数0-7，共8页
{
write_com(Page_Add+k); //每页每页进行写
for(j=0;j<64;j++) //每页最多可写32个中文文字或64个ASCII字符
{
write_com(LCDCol_Add+j);
write_data(0x00);//控制列数0-63，共64列，写点内容，列地址自动加1
}
}
}
Disp(uchar page,uchar column, uchar code *word)
{
uchar i;
LCDMcs=0;
LCDScs=1;
write_com(0xb8|page);
write_com(0x40|column);
for(i=0;i<16;i++)
write_data(word[i]);
for(i=32;i<48;i++)
write_data(word[i]);
for(i=64;i<80;i++)
write_data(word[i]);
for(i=96;i<112;i++)
write_data(word[i]);
LCDMcs=1;
LCDScs=0;
write_com(0xb8|page);
write_com(0x40);
for(i=128;i<144;i++)
write_data(word[i]);
for(i=160;i<176;i++)
write_data(word[i]);
for(i=192;i<208;i++)
write_data(word[i]);
for(i=224;i<240;i++)
write_data(word[i]);
LCDMcs=0;
LCDScs=1;
write_com(0xb8|page+1);
write_com(0x40|column);
for(i=16;i<32;i++)
write_data(word[i]);
for(i=48;i<64;i++)
write_data(word[i]);
for(i=80;i<96;i++)
write_data(word[i]);
for(i=112;i<128;i++)
write_data(word[i]);
LCDMcs=1;
LCDScs=0;
write_com(0xb8|page+1);
write_com(0x40);
for(i=144;i<160;i++)
write_data(word[i]);
for(i=176;i<192;i++)
write_data(word[i]);
for(i=208;i<224;i++)
write_data(word[i]);
for(i=240;i<250;i++)
write_data(word[i]);
}
void lcd()
{
init_lcd();
Clr_Scr();
k=0;
for(q=0;q<1;q++)
{
for(k=0xc0;k<0xff;k++)
{
Disp(0,0,hz1);
Disp(2,0,hz2);
Disp(4,0,hz3);
Disp(6,0,hz4);
LCDMcs=0;
LCDScs=0;
write_com(k);
LCDdelay(2);
}
}
}
unsigned char start=0;
unsigned char n=0; //n为节拍常数变量
unsigned char code music_tab[] ={
0x18, 0x30, 0x1C , 0x10, //格式为: 频率常数, 节拍常数, 频率常数, 节拍常数,
0x20, 0x40, 0x1C , 0x10,
0x18, 0x10, 0x20 , 0x10,
0x1C, 0x10, 0x18 , 0x40,
0x1C, 0x20, 0x20 , 0x20,
0x1C, 0x20, 0x18 , 0x20,
0x20, 0x80, 0xFF , 0x20,
0x30, 0x1C, 0x10 , 0x18,
0x20, 0x15, 0x20 , 0x1C,
0x20, 0x20, 0x20 , 0x26,
0x40, 0x20, 0x20 , 0x2B,
0x20, 0x26, 0x20 , 0x20,
0x20, 0x30, 0x80 , 0xFF,
0x20, 0x20, 0x1C , 0x10,
0x18, 0x10, 0x20 , 0x20,
0x26, 0x20, 0x2B , 0x20,
0x30, 0x20, 0x2B , 0x40,
0x20, 0x20, 0x1C , 0x10,
0x18, 0x10, 0x20 , 0x20,
0x26, 0x20, 0x2B , 0x20,
0x30, 0x20, 0x2B , 0x40,
0x20, 0x30, 0x1C , 0x10,
0x18, 0x20, 0x15 , 0x20,
0x1C, 0x20, 0x20 , 0x20,
0x26, 0x40, 0x20 , 0x20,
0x2B, 0x20, 0x26 , 0x20,
0x20, 0x20, 0x30 , 0x80,
0x20, 0x30, 0x1C , 0x10,
0x20, 0x10, 0x1C , 0x10,
0x20, 0x20, 0x26 , 0x20,
0x2B, 0x20, 0x30 , 0x20,
0x2B, 0x40, 0x20 , 0x15,
0x1F, 0x05, 0x20 , 0x10,
0x1C, 0x10, 0x20 , 0x20,
0x26, 0x20, 0x2B , 0x20,
0x30, 0x20, 0x2B , 0x40,
0x20, 0x30, 0x1C , 0x10,
0x18, 0x20, 0x15 , 0x20,
0x1C, 0x20, 0x20 , 0x20,
0x26, 0x40, 0x20 , 0x20,
0x2B, 0x20, 0x26 , 0x20,
0x20, 0x20, 0x30 , 0x30,
0x20, 0x30, 0x1C , 0x10,
0x18, 0x40, 0x1C , 0x20,
0x20, 0x20, 0x26 , 0x40,
0x13, 0x60, 0x18 , 0x20,
0x15, 0x40, 0x13 , 0x40,
0x18, 0x80, 0x00
};
void int0() interrupt 1 //采用中断0 控制节拍
{ TH0=0xd8;
TL0=0xef;
n--;
}
void delaya(unsigned int a)
{
while(a--);
}
void delayb (unsigned char m) //控制频率延时
{
unsigned b=3*m;
while(--b);
}
void delayc(unsigned char c) //豪秒延时子程序
{
while(--c);
}
void sound()
{
unsigned char p,m; //m为频率常数变量
unsigned char i=0;
TMOD&=0x0f;
TMOD|=0x01;
TH0=0xd8;TL0=0xef;
IE=0x82;
play:
while(1)
{
a: p=music_tab[i];
if(p==0x00) { i=0, delayc(1000); goto play;} //如果碰到结束符,延时1秒,回到开始再来一遍
else if(p==0xff) { i=i+1;delayc(100),TR0=0; goto a;} //若碰到休止符,延时100ms,继续取下一音符
else {m=music_tab[i++], n=music_tab[i++];} //取频率常数和节拍常数
TR0=1; //开定时器1
while(n!=0) beep=~beep,delayb(m); //等待节拍完成, 通过P1口输出音频
TR0=0; //关定时器1
}
}
void dcmotor()
{
unsigned char j;
moto=0; //关闭电机
for(j=0;j<100;j++) //循环100次，也就是大约5S
{
moto=1; //开启电机
delaya(5000); //大约延时50ms
}
moto=0; //关闭电机
}
void keypros()
{
if((k1|k2|k3|k4)==0) //开始
{
delaya(1000);
if((k1|k2|k3|k4)==0)
{
start=1;
}
}
}
void main()
{
while(1)
{
keypros();
if(start==1)
{
lcd();
dcmotor();
sound();
}
else
{
beep=1;
moto=0;
}
}
}

复制代码