Intelligent Street Lighting Control System Based on 51 Single Chip Microcomputer

hardware design

Simulation file 1: The function is shown in the

schematic diagram below

Simulation file 2:

programming

   /******Define header file****************/

#include 

#include  

#include"lcd.h"

#include "ds1302.h"

/******Type redefinition*************/

typedef unsigned char uchar;

typedef unsigned int  uint;

/******Pin definition***************/

sbit key_1 = P1^0; //define 4 keys

sbit key_2 = P1^1;

sbit key_3 = P1^2;

sbit key_4 = P1^3;

sbit key_5=P3^0; //Manual/automatic mode switch

sbit key_6=P3^1; //Manual mode street light switch

sbit led_1 = P1^4;

sbit Beep = P2^3; //Define sound and light alarm

sbit AD_clk = P3^4; //define ADC0832

sbit AD_do = P3^5; 

sbit AD_di = P3^5;

sbit AD_cs = P3^6; 

sbit red_sr = P3^7; //Infrared detection

/******Define variables*******************/

char hour,min,sec; //define hour, minute, second variables

char time;

char work_time_Start = 16, work_time_End = 5; //Set the start and end time

bit light_flag; 

uchar light; //define light intensity

uchar light_limit; //define the light threshold

volatile Data;

/******Declare function*******************/

void delayms(unsigned int x); //delay function

void display(); //display

void Read_time();

void set_work_time(); //Set working time

void set_limit_light(); //Set the light threshold

void work(); //Working status

void set_time(); //Set time

void delay10ms(int d);

void InitTimer0(void); //T0 timer initialization procedure

uchar AD(bit Channel); //ADC0832 program

void kongzhi()

{

if(key_6==0)

{

led_1=1;

}

else

{

led_1=0;

}

}

 void qiehaun()

 {

  if(key_5==0)

{

kongzhi();

}

else

{

work();

// if(red_sr==1)

// {

// led_1=1;

// }

// if(red_sr==0)

// {

// led_1=0;

// }

}

}

void main()

{

Beep = led_1 = 0; //Sound and light alarm, LED off

InitTimer0(); //T0 timer initialization program

LcdInit(); //lcd1602 initialization

while(1)

{

Ds1302ReadTime(); //Read time

set_work_time(); //Set working time

set_limit_light(); //Set the light threshold

set_time();

light = AD(0); //Read ADC0832 value

display(); //display

qiehaun();

// work(); //Working status

}

}

void Timer0Interrupt(void) interrupt 1

{

static uchar count;

    TH0 = 0x0D8;

    TL0 = 0x0F0;

count ++;

if(count>=100)

{

time ++;

count = 0;

    }

//add your code here

}

/*******************************************************************************

* Function name: InitTimer0()

* Function: T0 timer initialization procedure

* Input : None

* Output: None

*******************************************************************************/

void InitTimer0(void)

{

    TMOD = 0x01;

    TH0 = 0x0D8;

    TL0 = 0x0F0;

    EA = 0;

    ET0 = 1;

    TR0 = 1;

}

/*******************************************************************************

* Function name: work()

* Function: Working status

* Input : None

* Output: None

*******************************************************************************/

void work()

{

Read_time(); //Convert time

if(work_time_End!=0 && work_time_Start!=0) //Working time has been set

{

if(hour >= work_time_Start) //The current time is greater than the start time. For example, if the start time is 19:00 and the current time is 21:00.

{

Data = AD(1);

led_1 = 1; //Turn on the LED

if(Data < 50) //No LED is detected

Beep = 1; //Sound and light alarm

else //Detect that the LED is lit

Beep = 0; // Stop alarm

}

else if(hour < work_time_End) //The current time is less than the end time, such as the end time is 06:00 and the current time is 04:00.

{

if(red_sr) // detect a person or a car

{

time = 0;

light_flag = 1; //Set the LED flag to 1, start T0 timer timing, light up the LED, after 10s, clear the LED flag and turn off the LED

}

if(light_flag) //LED flag is set to 1, a person or car is detected

{

led_1 = 1; //Turn on the LED

EA = 1; // Enable interrupt

if(time > 10) //10 seconds later

{

light_flag = 0; //LED flag clear

EA = 0; //Disable interrupt

time = 0; // reset the timer

}

Data = AD(1);

if(Data < 50) //No LED is detected

Beep = 1; //Sound and light alarm

else //Detect that the LED is lit

Beep = 0; // Stop alarm

    }

else

led_1 = 0;

}

else

{

if(light < light_limit)

{

led_1 = 1;

Data = AD(1);

if(Data < 50) //No LED is detected

Beep = 1; //Sound and light alarm

else //Detect that the LED is lit

Beep = 0; // Stop alarm

}

else

led_1 = Beep = 0;

}

}

}

/*******************************************************************************

* Function name: set_work_time()

* Function: Set working time

* Input : None

* Output: None

*******************************************************************************/

Documents are for reference only

Link: https://pan.baidu.com/s/1Sl6u_BGjrjMKFC8JS90O-A

Extraction code: 67xo