基于51单片机水塔水箱液水位WIFI监控报警设计proteus仿真原理图PCB

news2024/11/26 13:45:03

功能：
0.本项目采用STC89C52作为单片机系统的控制MCU
1.WIFI实时上传当前水位状态
2.通过液位传感器检测液位，检测到最低液位和最高液位时，超过设定阈值将声光报警
3.通过状态指示灯显示当前液位情况，三种颜色，红色代表低于下限，黄色代表高于上限，绿色代表正常
4.采用DC002作为电源接口可直接输入5V给整个系统供电

原理图：
在这里插入图片描述

PCB ：
在这里插入图片描述

主程序：

#include "reg52.h"
#include <intrins.h>
#include <stdio.h>
#include "delay.h"

sbit LOW_WATER_LEVEL  = P1^1; //水位下限
sbit HIGH_WATER_LEVEL = P1^0; //水位上限

sbit LED_NORMAL = P3^5;
sbit LED_LOW    = P3^3;
sbit LED_HIGH   = P3^4;

sbit BUZZER = P2^2;

unsigned char sendDataFlag = 0;
bit messageCnt = 0;

void Timer0_Init(); //函数声明
void UART_Init();
void UART_SendByte(unsigned char dat);
void UART_SendStr(unsigned char *s, unsigned char length);

void main()
{

	Timer0_Init(); //定时器0初始化
	UART_Init();

	DelayS(5);
	UART_SendStr("AT+CIPMUX=1\r\n", 13); //打开多连接
	DelayS(1);
	UART_SendStr("AT+CIPSERVER=1,8080\r\n", 21); //建立服务 端口号为8080
	DelayS(1);

	while (1) //主循环
	{
		if (sendDataFlag == 1) //发送数据标志
		{
			if (messageCnt == 0) //区分at命令还是数据内容
			{
				messageCnt = 1;
				UART_SendStr("AT+CIPSEND=0,8\r\n", 16); //发送32位数据
			}
			else
			{
				if ((HIGH_WATER_LEVEL == 1) && (LOW_WATER_LEVEL == 1)) //高低都有水
				{
					LED_LOW = 1;
					LED_HIGH = 0;
					LED_NORMAL = 1;
					BUZZER = 0;
					UART_SendStr("*High*  ", 8); //发送内容
				}
				else if ((HIGH_WATER_LEVEL == 0) && (LOW_WATER_LEVEL == 0)) //高低都没有水
				{

					LED_LOW = 0;
					LED_HIGH = 1;
					LED_NORMAL = 1;
					BUZZER = 0;
					UART_SendStr("*Low*  ", 8); //发送内容
				}
				else if ((HIGH_WATER_LEVEL == 0) && (LOW_WATER_LEVEL == 1)) //正常水位
				{
					LED_LOW = 1;
					LED_HIGH = 1;
					LED_NORMAL = 0;
					BUZZER = 1;
					UART_SendStr("*Normal*", 8); //发送内容
				}
				else
				{
					LED_LOW = 0;
					LED_HIGH = 0;
					LED_NORMAL = 0;
					BUZZER = ~BUZZER;
					UART_SendStr("*Error* ", 8); //发送内容
				}
				UART_SendStr("\r\n", 2);
				messageCnt = 0; //发送数据
			}
			sendDataFlag = 0; //清除发送数据标志
		}
	}
}

void Timer0_Init()
{
	TMOD &= 0xF0;
	TMOD |= 0x01;				 //使用模式1，16位定时器，使用"|"符号可以在使用多个定时器时不受影响
	TH0 = (65536 - 18432) / 256; //重新赋值 20ms
	TL0 = (65536 - 18432) % 256;
	EA = 1;	 //总中断打开
	ET0 = 1; //定时器中断打开
	TR0 = 1; //定时器开关打开
}

void UART_Init()
{
	SCON = 0x50;
	TH2 = 0xFF;
	TL2 = 0xFD;
	RCAP2H = 0xFF;  //(65536-(FOSC/32/BAUD))   BAUD = 115200 FOSC = 11059200
	RCAP2L = 0xFD;

	/*****************/
	TCLK = 1;
	RCLK = 1;
	C_T2 = 0;
	EXEN2 = 0;

	/*****************/
	TR2 = 1;
	ES   = 0; //关闭串口中断
	EA   = 1; //打开总中断
}

void UART_SendByte(unsigned char dat) //串口发送单字节数据
{
	unsigned char time_out;
	time_out = 0x00;
	SBUF = dat;						  //将数据放入SBUF中
	while ((!TI) && (time_out < 100)) //检测是否发送出去
	{
		time_out++;
		DelayUs10x(2);
	}		//未发送出去 进行短暂延时
	TI = 0; //清除ti标志
}

void UART_SendStr(unsigned char *s, unsigned char length) //发送定长度字符串
{
	unsigned char num;
	num = 0x00;
	while (num < length) //发送长度对比
	{
		UART_SendByte(*s); //放松单字节数据
		s++;			  //指针++
		num++;			  //下一个++
	}
}

void Timer0_Interrupt() interrupt 1
{
	static unsigned char times20ms = 0;

	TH0 = (65536 - 18432) / 256; //重新赋值 20ms
	TL0 = (65536 - 18432) % 256;
	times20ms++;
	if (times20ms > 50) //定时到1s
	{
		sendDataFlag = 1; //发送数据变量
		times20ms = 0;
	}
}

// void UART_Interrupt(void) interrupt 4 //串行中断服务程序
// {
// 	if (RI) //判断是接收中断产生
// 	{
// 		RI = 0; //标志位清零
// 	}
// }