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#include<reg52.h>
#include<intrins.h>
#define uchar unsigned char
#define uint unsigned int
#define LCD_data P0
#define delayNOP(); {_nop_();_nop_();_nop_();_nop_();};
#define MAIN_Fosc 11059200UL //
#define DS1302_W_ADDR 0x80 //
#define DS1302_R_ADDR 0x81 //
sbit buzzer = P2^3;//蜂鳴器報(bào)警
sbit voice = P3^0; //鳴笛檢測(cè)輸出
sbit led6 = P1^5; // 燈光報(bào)警
sbit led5 = P1^4;//鳴笛檢測(cè)燈光示意
sbit TSCLK = P1^0;
sbit TIO = P1^1;
sbit TRST = P1^2;
sbit streetlight = P1^7;//路燈
sbit LCD_RS = P3^5;//
sbit LCD_RW = P3^6;//
sbit LCD_EN = P3^4; //
sbit LCD_PSB = P3^7;
sbit wela = P2^7;
sbit dula = P2^6;
sbit DQ=P2^2; //DTH11
uint vtest= 0;
uint t = 0;
uchar vlim = 0;
v_test[3] = {0,0,0};
v_lim[3] = {0,0,0};
uchar flag,flag0,flag1,flag2,flag4,flag5,flag6= 0;
uchar flag3 = 1;
uchar flag7 = 1;
uchar weed,x;
uchar tem = 0;
uchar hum = 0;
display0[2]={0,0};
display1[2]={0,0};
uchar code init1[] = {" 歡迎使用小區(qū) "};
uchar code init2[] = {" 車速檢測(cè)系統(tǒng) "};
uchar code init3[] = {"請(qǐng)輸入小區(qū)限速: "};
uchar code init4[] = {" km/h "};
uchar code warning1[] = {"車速: 020km/h "};
uchar code warning2[] = {"您已超速, 為了 "};
uchar code warning3[] = {"您和他人的安全 "};
uchar code warning4[] = {"請(qǐng)減速慢行 "};
uchar code slogan1[] = {" 文明禮讓 "};
uchar code slogan2[] = {" 有序通行 "};
uchar code slogan3[] = {" 互相體諒 "};
uchar code slogan4[] = {" 請(qǐng)勿鳴笛 "};
uchar code dis1[]= {"20 年月日 "};
uchar code dis2[]= {"星期 : : "};
uchar code dis3[] = {"溫度26℃濕度30%"};
uchar code dis4[] = {"限速: km/h "};
void delay(uint ms)
{
while(ms--)
{
uchar i;
for(i=0;i<250;i++)
{
_nop_();
_nop_();
_nop_();
_nop_();
}
}
}
/*******************************************************************/
/* */
/*檢查L(zhǎng)CD忙狀態(tài) */
/*lcd_busy為1時(shí)，忙，等待。lcd-busy為0時(shí),閑，可寫指令與數(shù)據(jù)。 */
/* */
/*******************************************************************/
bit lcd_busy()
{
bit result;
LCD_RS = 0;
LCD_RW = 1;
LCD_EN = 1;
delayNOP();
result = (bit)(P0&0x80);
LCD_EN = 0;
return(result);
}
/*******************************************************************/
/* */
/*寫指令數(shù)據(jù)到LCD */
/*RS=L，RW=L，E=高脈沖，D0-D7=指令碼。 */
/* */
/*******************************************************************/
void lcd_wcmd(uchar cmd)
{
while(lcd_busy());
LCD_RS = 0;
LCD_RW = 0;
LCD_EN = 0;
_nop_();
_nop_();
P0 = cmd;
delayNOP();
LCD_EN = 1;
delayNOP();
LCD_EN = 0;
}
/*******************************************************************/
/* */
/*寫顯示數(shù)據(jù)到LCD */
/*RS=H，RW=L，E=高脈沖，D0-D7=數(shù)據(jù)。 */
/* */
/*******************************************************************/
void lcd_wdat(uchar dat)
{
while(lcd_busy());
LCD_RS = 1;
LCD_RW = 0;
LCD_EN = 0;
P0 = dat;
delayNOP();
LCD_EN = 1;
delayNOP();
LCD_EN = 0;
}
/*******************************************************************/
/* */
/* LCD初始化設(shè)定 */
/* */
/*******************************************************************/
void lcd_init()
{
LCD_PSB = 1;
lcd_wcmd(0x34); //擴(kuò)充指令操作
delay(5);
lcd_wcmd(0x30); //基本指令操作
delay(5);
lcd_wcmd(0x0C); //顯示開，關(guān)光標(biāo)
delay(5);
lcd_wcmd(0x01); //清除LCD的顯示內(nèi)容
delay(5);
}
#define MAIN_Fosc 11059200UL //宏定義主時(shí)鐘HZ
#define DS1302_W_ADDR 0x80 //寫時(shí)鐘日歷寄存器起始地址
#define DS1302_R_ADDR 0x81 //讀時(shí)鐘日歷寄存器起始地址
//時(shí)鐘日歷暫存數(shù)組，秒、分、時(shí)、日、月、周、年初值為= 16年6月4日周六 19:29:50
uchar TimeData[7]={0, 29, 19, 4, 6, 6, 16};
/*=================================================
*函數(shù)名稱：Delay_Ms
*函數(shù)功能：12T 51單片機(jī)自適應(yīng)主時(shí)鐘毫秒級(jí)延時(shí)函數(shù)
*說(shuō)明：需定義MAIN_Fosc（晶振主頻單位HZ）
*輸入：ms：要延時(shí)的毫秒
=================================================*/
void Delay_Ms(uint ms)
{
uint i;
do{
i = MAIN_Fosc / 96000;
while(--i); //96T per loop
}while(--ms);
}
/*=================================================
*函數(shù)名稱：DS1302_W_Byte
*函數(shù)功能：DS1302寫一字節(jié)數(shù)據(jù)
*輸入：dat：要寫入的數(shù)據(jù)
=================================================*/
void DS1302_W_Byte(uchar dat)
{
uchar i;
for(i = 0; i < 8; i++) //每次寫1bit，寫8次
{
TSCLK = 0; //拉低時(shí)鐘總線
TIO = dat & 0x01; //從一字節(jié)最低位開始寫
TSCLK = 1; //拉高時(shí)鐘總線，DS1302把數(shù)據(jù)讀走
dat >>= 1; //數(shù)據(jù)右移一位
}
}
/*=================================================
*函數(shù)名稱：DS1302_R_Byte
*函數(shù)功能：DS1302讀一字節(jié)
*輸出：dat：讀取的數(shù)據(jù)
=================================================*/
uchar DS1302_R_Byte()
{
uchar i, dat;
for(i = 0; i < 8; i++) //每次寫1bit，寫8次
{
TSCLK = 0; //拉低時(shí)鐘總線，DS1302把數(shù)據(jù)放到數(shù)據(jù)總線上
dat >>= 1; //數(shù)據(jù)右移一位，數(shù)據(jù)從最低位開始讀
if(TIO) dat |= 0x80;//讀取數(shù)據(jù)
TSCLK = 1; //拉高時(shí)鐘總線
}
return dat; //返回讀取的數(shù)據(jù)
}
/*=================================================
*函數(shù)名稱：DS1302_W_DAT
*函數(shù)功能：寫DS1302數(shù)據(jù)一次寫2個(gè)字節(jié)
*說(shuō)明：先寫命令后寫數(shù)據(jù)
*調(diào)用：DS1302_W_Byte()
*輸入：cmd：需要寫的命令，dat：需要些的數(shù)據(jù)
=================================================*/
void DS1302_W_DAT(uchar cmd, uchar dat)
{
TRST = 0; //拉低使能端
TSCLK = 0; //拉低數(shù)據(jù)總線
TRST = 1; //拉高使能端，開始寫數(shù)據(jù)
DS1302_W_Byte(cmd); //寫命令
DS1302_W_Byte(dat); //寫數(shù)據(jù)
}
/*=================================================
*函數(shù)名稱：DS1302_R_DAT
*函數(shù)功能：讀DS1302數(shù)據(jù)
*說(shuō)明：先寫入命令字節(jié)后讀出對(duì)應(yīng)數(shù)據(jù)
*調(diào)用： DS1302_W_Byte();DS1302_R_Byte();
*輸入： cmd：需要寫的命令
*輸出： dat：讀出的數(shù)據(jù)
=================================================*/
uchar DS1302_R_DAT(uchar cmd)
{
uchar dat;
TRST = 0; //拉低使能端
TSCLK = 0; //拉低數(shù)據(jù)總線
TRST = 1; //拉高使能端，開始寫數(shù)據(jù)
DS1302_W_Byte(cmd); //寫命令
dat = DS1302_R_Byte(); //讀出數(shù)據(jù)
return dat; //返回讀出數(shù)據(jù)
}
/*=================================================
*函數(shù)名稱：DS1302_Clear_WP
*函數(shù)功能：清除DS1302寫保護(hù)
*說(shuō)明：先寫入命令0x8e（寫控制寄存器）接著向該寄存器寫0
*調(diào)用：DS1302_W_DAT()
=================================================*/
void DS1302_Clear_WP()
{
DS1302_W_DAT(0x8e,0x00); //把控制寄存器WP位置0
}
/*=================================================
*函數(shù)名稱：DS1302_Clear_WP
*函數(shù)功能：設(shè)置DS1302寫保護(hù)
*說(shuō)明：先寫入命令0x8e（寫控制寄存器）接著向該寄存器寫0x80
*調(diào)用：DS1302_W_DAT()
=================================================*/
void DS1302_Set_WP()
{
DS1302_W_DAT(0x8e,0x80); //把控制寄存器WP位置1
TRST = 0; //拉低使能端
TSCLK = 0; //拉低數(shù)據(jù)總線
}
/*=================================================
*函數(shù)名稱：Set_DS1302_Time
*函數(shù)功能：設(shè)置DS1302時(shí)鐘日歷數(shù)據(jù)
*說(shuō)明：把時(shí)鐘日歷暫存數(shù)組TimeData數(shù)據(jù)轉(zhuǎn)換為BCD碼并
寫入到DS1302時(shí)鐘日歷寄存器中
*調(diào)用：DS1302_Clear_WP();DS1302_W_DAT();DS1302_Set_WP();
*輸入：addr:需要寫入寄存器的地址，TimeData數(shù)組：時(shí)鐘日歷初始值
=================================================*/
void Set_DS1302_Time(uchar addr)
{
uchar i, j;
DS1302_Clear_WP(); //清除寫保護(hù)
for(i = 0; i < 7; i++) //寫入7個(gè)字節(jié)的時(shí)鐘初始值
{
j = TimeData[i]/10; //BCD碼轉(zhuǎn)換
TimeData[i] %= 10; //BCD碼轉(zhuǎn)換
TimeData[i] += j*16; //BCD碼轉(zhuǎn)換
DS1302_W_DAT(addr, TimeData[i]); //先寫DS1302時(shí)鐘日歷起始地址，再寫數(shù)據(jù)
addr += 2; //時(shí)鐘日歷寄存器地址+2轉(zhuǎn)向下一個(gè)寄存器
}
DS1302_Set_WP(); //開起寫保護(hù)
}
/*=================================================
*函數(shù)名稱：Read_DS1302_Time
*函數(shù)功能：讀取DS1302時(shí)鐘數(shù)據(jù)
*說(shuō)明：讀取DS1302時(shí)鐘數(shù)據(jù) 返回?cái)?shù)據(jù)存入時(shí)鐘日歷暫存
數(shù)組TimeData（數(shù)據(jù)格式BCD碼）
*調(diào)用：DS1302_Clear_WP();DS1302_R_DAT();DS1302_Set_WP();
*輸入： addr：需要讀取時(shí)鐘日歷寄存器的起始地址
=================================================*/
void Read_DS1302_Time(uchar addr)
{
uchar i;
DS1302_Clear_WP(); //清楚些保護(hù)
for(i = 0; i < 7; i++) //從DS1302讀取7個(gè)字節(jié)的時(shí)鐘日歷數(shù)據(jù)
{
TimeData[i] = DS1302_R_DAT(addr);//先寫入要讀取數(shù)據(jù)的寄存器起始地址，再讀出數(shù)據(jù)存入TimeData數(shù)組
addr += 2; //時(shí)鐘日歷寄存器地址+2轉(zhuǎn)向下一個(gè)寄存器
}
DS1302_Set_WP(); //開起寫保護(hù)
}
void init()
{
TMOD = 0x01; //定時(shí)器16位計(jì)數(shù)工作模式
TH0 =0xfc;
TL0 =0x66; //1ms定時(shí)
EX0 = 1; //開外部中斷0
IT0 = 1; //負(fù)跳變觸發(fā)
EX1 = 1; //開外部中斷1
IT1 = 1; //負(fù)跳變觸發(fā)
EA = 1; //開總中斷
}
uchar KeyScan() //帶返回值的子函數(shù)
{
uchar cord_l = 0,cord_h = 0;//聲明列線和行線的值的儲(chǔ)存變量
P0 = 0xf0;//1111 0000
if( (P0 & 0xf0) != 0xf0)//判斷是否有按鍵按下
{
delay(20);//軟件消抖
if( (P0 & 0xf0) != 0xf0)//判斷是否有按鍵按下
{ flag0 = 1;
cord_l = P0 & 0xf0;// 儲(chǔ)存列線值
P0 = cord_l | 0x0f;
cord_h = P0 & 0x0f;// 儲(chǔ)存行線值
while( (P0 & 0x0f) != 0x0f );//松手檢測(cè)
return (cord_l + cord_h);//返回鍵值碼
}
}
}
void input_bai()
{
switch( KeyScan() )
{
case 0xd7: v_lim[0] = 0; break;
case 0xee: v_lim[0] = 1; break;
case 0xde: v_lim[0] = 2; break;
case 0xbe: v_lim[0] = 3; break;
case 0xed: v_lim[0] = 4; break;
case 0xdd: v_lim[0] = 5; break;
case 0xbd: v_lim[0] = 6; break;
case 0xeb: v_lim[0] = 7; break;
case 0xdb: v_lim[0] = 8; break;
case 0xbb: v_lim[0] = 9; break;
}
}
void input_shi()
{
switch( KeyScan() )
{
case 0xd7: v_lim[1] = 0; break;
case 0xee: v_lim[1] = 1; break;
case 0xde: v_lim[1] = 2; break;
case 0xbe: v_lim[1] = 3; break;
case 0xed: v_lim[1] = 4; break;
case 0xdd: v_lim[1] = 5; break;
case 0xbd: v_lim[1] = 6; break;
case 0xeb: v_lim[1] = 7; break;
case 0xdb: v_lim[1] = 8; break;
case 0xbb: v_lim[1] = 9; break;
}
}
void input_ge()
{
switch( KeyScan() )
{
case 0xd7: v_lim[2] = 0; break;
case 0xee: v_lim[2] = 1; break;
case 0xde: v_lim[2] = 2; break;
case 0xbe: v_lim[2] = 3; break;
case 0xed: v_lim[2] = 4; break;
case 0xdd: v_lim[2] = 5; break;
case 0xbd: v_lim[2] = 6; break;
case 0xeb: v_lim[2] = 7; break;
case 0xdb: v_lim[2] = 8; break;
case 0xbb: v_lim[2] = 9; break;
}
}
bit Init_DTH11()
{
bit flag;
uchar num;
DQ=0;
delay(19); // >18ms
DQ=1;
for(num=0;num<10;num++); //
for(num=0;num<12;num++);
flag=DQ;
for(num=0;num<11;num++);
for(num=0;num<24;num++);
return flag;
}
uchar DTH11_RD_CHAR()
{
uchar byte=0;
uchar num;
uchar num1;
while(DQ==1);
for(num1=0;num1<8;num1++)
{
while(DQ==0);
byte<<=1; //
for(num=0;DQ==1;num++);
if(num<10)
byte|=0x00;
else
byte|=0x01;
}
return byte;
}
void DTH11_DUSHU()
{
uchar num;
if(Init_DTH11()==0)
{
hum=DTH11_RD_CHAR(); //
DTH11_RD_CHAR();
tem=DTH11_RD_CHAR();
DTH11_RD_CHAR();
DTH11_RD_CHAR();
for(num=0;num<17;num++); //
DQ=1;
}
}
void Display_DTH11()
{
display0[0]=hum/10%10;
display0[1]=hum%10;
lcd_wcmd(0x8e);
for(x=0;x<2;x++)
lcd_wdat(display0[0+x]);//顯示濕度
display1[0]=tem/10%10;
display1[1]=tem%10;
lcd_wcmd(0x8a);
for(x=0;x<2;x++)
lcd_wdat(display1[0+x]);//顯示溫度
}
void main()
{ wela = 0;
dula = 0;
Init_DTH11();
lcd_init();//12864初始化
init();//定時(shí)器初始化
Set_DS1302_Time(DS1302_W_ADDR);
lcd_wcmd(0x80);
for(x=0;x<16;x++)
lcd_wdat(init1[x]);
lcd_wcmd(0x90);
for(x=0;x<16;x++)
lcd_wdat(init2[x]);
lcd_wcmd(0x88);
for(x=0;x<16;x++)
lcd_wdat(init3[x]);
lcd_wcmd(0x98);
for(x=0;x<16;x++)
lcd_wdat(init4[x]); //顯示初始界面
while(1)
{
input_bai();
if(flag0)
{
flag0 = 0;
lcd_wcmd(0x98);
for(x=0;x<1;x++)
lcd_wdat(v_lim[0+x]+ '0');
break;
}
}
while(1)
{
input_shi();
if(flag0)
{
flag0 = 0;
lcd_wcmd(0x98);
for(x=0;x<2;x++)
lcd_wdat(v_lim[0+x]+ '0');
break;
}
}
while(1)
{
input_ge();
if(flag0)
{
flag0 = 0;
lcd_wcmd(0x99);
lcd_wdat(v_lim[2]+ '0');
}
if (KeyScan() == 0x7e)
{
vlim = v_lim[0]*100+v_lim[1]*10+v_lim[2];
break;
}
}
while(1)
{ delay(5);
lcd_wcmd(0x01);
delay(5);
lcd_wcmd(0x80);
for(x=0;x<16;x++)
lcd_wdat(dis1[x]);
lcd_wcmd(0x90);
for(x=0;x<16;x++)
lcd_wdat(dis2[x]);
lcd_wcmd(0x88);
for(x=0;x<16;x++)
lcd_wdat(dis3[x]);
lcd_wcmd(0x98);
for(x=0;x<16;x++)
lcd_wdat(dis4[x]);
while(flag3)
{
Read_DS1302_Time(DS1302_R_ADDR);//
delay(5);
lcd_wcmd(0x81);
lcd_wdat(TimeData[6]/16 + '0');
lcd_wdat(TimeData[6]%16 + '0');//year
delay(5);
lcd_wcmd(0x83);
lcd_wdat(TimeData[4]/16 + '0');
lcd_wdat(TimeData[4]%16 + '0');//month
delay(5);
lcd_wcmd(0x85);
lcd_wdat(TimeData[3]/16 + '0');
lcd_wdat(TimeData[3]%16 + '0');//day
delay(5);
lcd_wcmd(0x92);
lcd_wdat(TimeData[5]%16 + '0');//weed
delay(20);
lcd_wcmd(0x93);
lcd_wdat(TimeData[2]/16 + '0');
lcd_wdat(TimeData[2]%16 + '0');//hour
delay(5);
lcd_wcmd(0x95);
lcd_wdat(TimeData[1]/16 + '0');
lcd_wdat(TimeData[1]%16 + '0');//minute
delay(5);
lcd_wcmd(0x97);
lcd_wdat(TimeData[0]/16 + '0');
lcd_wdat(TimeData[0]%16 + '0');//second
if((TimeData[2] == 0x19)&&(TimeData[1] == 0x30))streetlight = 0;
if((TimeData[2] == 0x00)&&(TimeData[1] == 0x30))streetlight = 1;
if((TimeData[2] == 0x40)&&(TimeData[1] == 0x00)) flag7 = 0;
Delay_Ms(600);
DTH11_DUSHU();
display0[0]=hum/10%10;
display0[1]=hum%10;
lcd_wcmd(0x8e);
for(x=0;x<2;x++)
lcd_wdat(display0[0+x]+'0');//顯示濕度
display1[0]=tem/10%10;
display1[1]=tem%10;
lcd_wcmd(0x8a);
for(x=0;x<2;x++)
lcd_wdat(display1[0+x]+'0');//顯示溫度
lcd_wcmd(0x9b);
for(x=0;x<3;x++)
lcd_wdat(v_lim[0+x]+'0');
while(flag)
{
TR0 = 1;
if(TF0 == 1)
{
TF0 = 0;
TH0 = 0xfc;
TL0 = 0x66; // 定時(shí)1ms
t++;
}
}
if(t > 0)
{
vtest = 10000/t;//
if (vtest > vlim)
{
v_test[0] = vtest/100;
v_test[1] = (vtest/10)-(vtest/100)*10;
v_test[2] = vtest%10;
flag3 = 0;
flag4 = 1;
t = 0;
vtest = 0;
flag = 0;
}
}
if(!voice)
{
delay(5);
if(!voice)
{flag3 = 0;
flag5 = 1;
}
}
}
if(flag4)
{lcd_wcmd(0x01);
delay(5);
lcd_wcmd(0x80);
for(x=0;x<16;x++)
lcd_wdat(warning1[x]);
lcd_wcmd(0x90);
for(x=0;x<16;x++)
lcd_wdat(warning2[x]);
lcd_wcmd(0x88);
for(x=0;x<16;x++)
lcd_wdat(warning3[x]);
lcd_wcmd(0x98);
for(x=0;x<16;x++)
lcd_wdat(warning4[x]);
lcd_wcmd(0x83);
for(x=0;x<3;x++)
lcd_wdat(v_test[0+x]+'0');
//Delay_Ms(2000);
if(streetlight == 1)
{ buzzer = 0;
Delay_Ms(2000);
buzzer = 1;}
else
{
led6 = 0;
Delay_Ms(2000);
led6= 1;
}
flag3 = 1;
flag4 = 0;
}
……………………
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