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#include<reg52.h>
#include<intrins.h>
#define uchar unsigned char
#define uint unsigned int
sbit RS = P2^0; //定義端口 lcd1602
sbit RW = P2^1;
sbit EN = P2^2;
sbit CS2 = P1^5; //0832接口定義
sbit CLK = P1^6;
sbit DIO = P1^7;
#define RS_CLR RS=0
#define RS_SET RS=1
#define RW_CLR RW=0
#define RW_SET RW=1
#define EN_CLR EN=0
#define EN_SET EN=1
#define DataPort P0
sbit led=P3^0;
sbit led1=P3^2;
sbit led2=P3^3;
sbit bee=P3^1; //蜂鳴器
sbit key1=P3^4; //4個(gè)按鍵
sbit key2=P3^5;
sbit key3=P3^6;
sbit key4=P3^7;
sbit key5=P1^0;
uchar h=75; //初始上限值
uchar l=50;
sbit motor=P3^2; //風(fēng)扇
sbit xia=P3^3; //噴灑
uint i,d; //煙霧值檢測(cè)
uint time=0;
unsigned long S;
uchar safe=10;
uchar dis1[6];
bit flag=0; //標(biāo)志位
uint flag1;
bit flag2=0;
uchar flag3=0;
uchar re=0;
void delay_100us()
{
uchar j;
for(j=0;j<31;j++)
{
;
}
}
/*------------------------------------------------
延時(shí)程序
------------------------------------------------*/
void delay_ms(uint j)
{
uint i;
for(;j>0;j--)
{
for(i=0;i<113;i++)
{
;
}
}
}
/*------------------------------------------------
寫(xiě)入命令函數(shù)
------------------------------------------------*/
void LCD_Write_Com(uchar com)
{
delay_ms(5);
RS_CLR;
RW_CLR;
EN_SET;
DataPort=com;
_nop_();
EN_CLR;
}
/*------------------------------------------------
寫(xiě)入數(shù)據(jù)函數(shù)
------------------------------------------------*/
void LCD_Write_Data(uchar Data)
{
delay_ms(5);
RS_SET;
RW_CLR;
EN_SET;
DataPort= Data;
_nop_();
EN_CLR;
}
/*------------------------------------------------
寫(xiě)入字符串函數(shù)
------------------------------------------------*/
void LCD_Write_String(uchar x,uchar y,uchar *s)
{
if (y == 0)
{
LCD_Write_Com(0x80 + x); //表示第一行
}
else
{
LCD_Write_Com(0xC0 + x); //表示第二行
}
while (*s)
{
LCD_Write_Data( *s);
s ++;
}
}
/*------------------------------------------------
寫(xiě)入慢速字符串函數(shù)
------------------------------------------------*/
void LCD_Write_SlowString(uchar x,uchar y,uchar *s)
{
if (y == 0)
{
LCD_Write_Com(0x80 + x); //表示第一行
}
else
{
LCD_Write_Com(0xC0 + x); //表示第二行
}
while (*s)
{
LCD_Write_Data( *s);
s ++;
delay_ms(200);
}
}
/*------------------------------------------------
寫(xiě)入字符函數(shù)
------------------------------------------------*/
void LCD_Write_Char(uchar x,uchar y,uchar Data)
{
if (y == 0)
{
LCD_Write_Com(0x80 + x);
}
else
{
LCD_Write_Com(0xC0 + x);
}
LCD_Write_Data( Data);
}
/*------------------------------------------------
初始化函數(shù)
------------------------------------------------*/
void LCD_Init(void)
{
delay_ms(15);
LCD_Write_Com(0x38); /*顯示模式設(shè)置*/
LCD_Write_Com(0x38); /*顯示模式設(shè)置*/
LCD_Write_Com(0x38); /*顯示模式設(shè)置*/
LCD_Write_Com(0x0c); /*顯示開(kāi)及光標(biāo)設(shè)置 */
LCD_Write_Com(0x06); /*顯示光標(biāo)移動(dòng)設(shè)置 */
LCD_Write_Com(0x01); /*顯示清屏 */
}
void display() //顯示處理子程序
{
dis1[3]=i/100; //提取安全值的十位數(shù)，賦值給dis1[12]
dis1[4]=i/10%10; //提取安全值的個(gè)位數(shù)，賦值給dis1[13]
dis1[5]=i%10; //提取安全值的個(gè)位數(shù)，賦值給dis1[13]
LCD_Write_Char(0,1,'Y'); //液晶顯示數(shù)據(jù)
LCD_Write_Char(1,1,':');
LCD_Write_Char(2,1,dis1[3]+0x30);
LCD_Write_Char(3,1,dis1[4]+0x30);
LCD_Write_Char(4,1,dis1[5]+0x30);
LCD_Write_Char(9,1,'J'); //液晶顯示
LCD_Write_Char(10,1,':');
LCD_Write_Char(11,1,d/100+0x30);
LCD_Write_Char(12,1,d/10%10+0x30);
LCD_Write_Char(13,1,d%10+0x30);
dis1[0]=h/100; //提取百位數(shù)，賦值給dis1[0]
dis1[1]=h/10%10; //提取十位數(shù)，賦值給dis1[1]
dis1[2]=h%10; //提取個(gè)位數(shù)，賦值給dis1[2]
LCD_Write_Char(8,0,dis1[0]+0x30);
LCD_Write_Char(9,0,dis1[1]+0x30);
LCD_Write_Char(10,0,dis1[2]+0x30);
delay_ms(1);
}
void key_process()
{
if(key1==0) //按鍵1
{
delay_ms(10);
if(key1==0)
{
while(!key1);
h++;
if(h>=85) h=85;
}
}
if(key2==0) //按鍵2
{
delay_ms(10);
if(key2==0)
{
while(!key2);
h--;
if(h<=65) h=65;
}
}
}
unsigned char A_D(bit flag)
{
unsigned char i,dat;
CS2=1; //一個(gè)轉(zhuǎn)換周期開(kāi)始
CLK=0; //為第一個(gè)脈沖作準(zhǔn)備
CS2=0; //CS2置0，片選有效
DIO=1; //DIO置1，規(guī)定的起始信號(hào)
CLK=1; //第一個(gè)脈沖
CLK=0; //第一個(gè)脈沖的下降沿，此前DIO必須是高電平
DIO=1; //DIO置1， 通道選擇信號(hào)
CLK=1; //第二個(gè)脈沖，第2、3個(gè)脈沖下沉之前，DI必須跟別輸入兩位數(shù)據(jù)用于選擇通道，這里選通道CH0
CLK=0; //第二個(gè)脈沖下降沿
DIO=flag; //DI置0，選擇通道0
CLK=1; //第三個(gè)脈沖
CLK=0; //第三個(gè)脈沖下降沿
DIO=1; //第三個(gè)脈沖下沉之后，輸入端DIO失去作用，應(yīng)置1
CLK=1; //第四個(gè)脈沖
for(i=0;i<8;i++) //高位在前
{
CLK=1; //第四個(gè)脈沖
CLK=0;
dat<<=1; //將下面儲(chǔ)存的低位數(shù)據(jù)向右移
dat|=(unsigned char)DIO; //將輸出數(shù)據(jù)DIO通過(guò)或運(yùn)算儲(chǔ)存在dat最低位
}
CS2=1; //片選無(wú)效
return dat; //將讀書(shū)的數(shù)據(jù)返回
}
void main()
{
delay_ms(5); //延時(shí)5ms
LCD_Init(); //液晶1602初始化
TMOD=0x01;
ET0=1;
EA=0;
LCD_Write_String(0,0,"ZNTL ");
LCD_Write_String(6,0,"S: ");
LCD_Write_Char(15,0,re+0x30);
while(1)
{
key_process(); //按鍵掃描
display(); //1602液晶顯示
if(flag3==0)
{
i=A_D(0)/2;
d=A_D(1)/2;
}
flag3++;
if(flag3>=50) flag3=0; //自加3次再檢測(cè) （甲烷）
if(i>=h&&flag==0) motor=0;
else motor=1;
if(d>=50) bee=0; //報(bào)警
else bee=1;
if(key5==0) //紅外檢測(cè)不到
{
flag=1;
motor=1;
xia=1;
re=1;
LCD_Write_Char(15,0,re+0x30);
while(!key5)
{
display(); //1602液晶顯示
i=A_D(0)/2;
}
}
if(flag==1)
{
if(i>=h)
{
motor=0;
xia=1;
flag2=1;
}
if(i<h&&flag2==1)
{
xia=0;
motor=1;
flag1++;
if(flag1>=600)
{
flag1=0;
flag=0;
xia=1;
flag2=0;
re=0;
LCD_Write_Char(15,0,re+0x30);
}
}
}
delay_ms(1);
}
}
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