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#include"LCD1602.h" //添加LCD1602頭文件
#include"dht11.h" //添加DHT11頭文件
#include"adc0832.h"
#include<math.h>
sbit BUZZER = P1^3; //蜂鳴器驅動端口==P1^3
sbit Reduc = P3^2; //按鍵鍵輸入端口==P1^7
sbit Add = P3^3; //按鍵加輸入端口==P3^1
sbit Mode = P3^4; //按鍵加輸入端口==P3^1
sbit LED1=P2^0;
sbit LED2=P2^1;
uchar Rx_buf[4],Rxnum=0;
uchar T1L=15,T1H=35,R1L=30,R1H=80;
void InitUART(void) //這是串口的基本配置，配置他的波特率是9600.這些參數都是標準的。
{
TMOD = 0x20;
SCON = 0x50;
TH1 = 0xFD;
TL1 = TH1;
PCON = 0x00;
EA = 1;
ES = 1;
TR1 = 1;
}
/*
* UART 發送一字節
*/
void UART_send_byte(char dat)
{
SBUF = dat;
while (TI == 0);
TI = 0;
}
/*
* UART 發送字符串
*/
void UART_send_string(unsigned char *buf)
{
while (*buf != '\0')
{
UART_send_byte(*buf++);
}
}
/************************************************
** 函數名稱： void main(void)
** 函數功能：主函數
** 輸入：無
** 輸出：無
** 說明：
************************************************/
void main(void)
{
double PM,pm1,pm2;
int PMVAL=0,HPM=200,PM_count=0,pm1_count=0;
uchar T1_data=0,R1_data=0,T2_data=0,R2_data=0;//溫度、濕度變量
uchar shezhi_flag=1,Mode_flag=1,n=1;//設置變量
uchar bueezr_flag=0,count=0,buzzer_time=9;//蜂鳴器報警變量
uint Mode_count=0;
uchar disp[16] ={"PM2.5:0000ug/m3 "};
uchar disp1[16]= {"T :00C RH:00%"};
uchar Tx_Buf[15];
InitUART(); //初始化串口
LCD_Init();
WriteChar(1,0,16,disp); //在第一行顯示‘內容’
WriteChar(2,0,16,disp1); //在第二行顯示‘內容’
while(1)
{
T1_data=Read_TRH(0,0);//溫度
disp1[3]=T1_data/10+0x30;//十位
disp1[4]=T1_data%10+0x30;//個位
R1_data=Read_TRH(1,0);//濕度
disp1[13]=R1_data/10+0x30;//十位
disp1[14]=R1_data%10+0x30;//個位
pm1+=read_data(1);
if(++PM_count>=20)
{
PM_count=0;
pm1=pm1/20;
pm2+=pm1;
pm1=0;
if(++pm1_count>=5)
{
pm1_count=0;
PM=pm2/5;
PM=PM*50/255;
PM-=4;
PM/=5;
PM*=1000;
PMVAL=PM;
PMVAL+=235; PMVAL=PMVAL/9;
if(PMVAL>=9999)PMVAL=9999;
WriteCOMDATA(0x86,0);
if(PMVAL<0)//PMVAL=0;
{WriteCOMDATA(0+0x30,1);PMVAL=abs(PMVAL);}
else WriteCOMDATA(PMVAL/1000+0x30,1);
WriteCOMDATA(PMVAL/100%10+0x30,1);
WriteCOMDATA(PMVAL/10%10+0x30,1);
WriteCOMDATA(PMVAL%10+0x30,1);
PM=pm1=pm2=0;
}
}
/*調用報警函數，溫濕度是否在設定范圍內*/
//溫度值與報警值比較
if(T1_data<T1L)
{
bueezr_flag=1;//報警標志位置1
}
else if(T1_data>T1H)
{
bueezr_flag=1;//報警標志位置1
}
//濕度值與報警值比較
if(R1_data<R1L)
{
bueezr_flag=1;//報警標志位置1
}
else if(R1_data>R1H)
{
bueezr_flag=1;//報警標志位置1
}
//PM值與報警值比較
if(PMVAL>HPM)
{
bueezr_flag=1;
}
if(T1_data>T1L&&T1_data<T1H && R1_data>R1L&&R1_data<R1H && PMVAL<HPM)
{
bueezr_flag=0;
BUZZER=1;
}
/*******蜂鳴器報警********/
count++;if(count>buzzer_time*10)count=buzzer_time+1;
if(count%buzzer_time==0 && bueezr_flag)
{
BUZZER=~BUZZER;//蜂鳴器取反發出聲音提示
}
/*******Mode鍵設置報警參數********/
if(Mode==0 && Mode_flag)
{
WriteCOMDATA(0x0F,0);//LCD顯示光標
Delay(100);
if(Mode==0)
{
BUZZER=1;
bueezr_flag=0;
Mode_flag=0;
shezhi_flag=1;
n=1;
while(1)
{
switch(shezhi_flag)
{
case 1:
if(n)
{
n=0;
WriteChar(1,0,16,"T1L:00C T1H:00C");//在第一行顯示內容
WriteChar(2,0,16,"R1L:00% R1H:00%");//在第二行顯示內容
WriteCOMDATA(0x8D,0);WriteCOMDATA(T1H/10+0x30,1);
WriteCOMDATA(0x8E,0);WriteCOMDATA(T1H%10+0x30,1);
WriteCOMDATA(0xC4,0);WriteCOMDATA(R1L/10+0x30,1);
WriteCOMDATA(0xC5,0);WriteCOMDATA(R1L%10+0x30,1);
WriteCOMDATA(0xCD,0);WriteCOMDATA(R1H/10+0x30,1);
WriteCOMDATA(0xCE,0);WriteCOMDATA(R1H%10+0x30,1);
}
WriteCOMDATA(0x84,0);WriteCOMDATA(T1L/10+0x30,1);
WriteCOMDATA(0x85,0);WriteCOMDATA(T1L%10+0x30,1);
WriteCOMDATA(0x85,0);
break;
case 2:
WriteCOMDATA(0x8D,0);WriteCOMDATA(T1H/10+0x30,1);
WriteCOMDATA(0x8E,0);WriteCOMDATA(T1H%10+0x30,1);
WriteCOMDATA(0x8E,0);
break;
case 3:
WriteCOMDATA(0xC4,0);WriteCOMDATA(R1L/10+0x30,1);
WriteCOMDATA(0xC5,0);WriteCOMDATA(R1L%10+0x30,1);
WriteCOMDATA(0xC5,0);
break;
case 4:
WriteCOMDATA(0xCD,0);WriteCOMDATA(R1H/10+0x30,1);
WriteCOMDATA(0xCE,0);WriteCOMDATA(R1H%10+0x30,1);
WriteCOMDATA(0xCE,0);
break;
case 5:
if(n)
{
n=0;
WriteChar(1,0,16," PM2.5 SET ");//在第一行顯示內容
WriteChar(2,0,16,"HPM2.5: ug/m3");//在第二行顯示內容
}
WriteCOMDATA(0xC7,0);
WriteCOMDATA(HPM/1000+0x30,1);
WriteCOMDATA(HPM/100%10+0x30,1);
WriteCOMDATA(HPM/10%10+0x30,1);
WriteCOMDATA(HPM%10+0x30,1);
WriteCOMDATA(0xCA,0);
break;
}
Delay(200);
//加
if(Reduc==0)
{
Delay(200);
//while(Reduc==0);
switch(shezhi_flag)
{
case 1:T1L+=1;break;
case 2:T1H+=1;break;
case 3:R1L+=1;break;
case 4:R1H+=1;break;
case 5:HPM+=1;break;
}
}
//減
if(Add==0)
{
Delay(200);
//while(Add==0);
switch(shezhi_flag)
{
case 1:T1L-=1;break;
case 2:T1H-=1;break;
case 3:R1L-=1;break;
case 4:R1H-=1;break;
case 5:HPM-=1;break;
}
}
//短按切換設置項目長按退出設置頁面
if(Mode==0)
{
Delay(300);
while(Mode==0)
{
Delay(300);
Mode_count++;
if(Mode_count>6)
{
WriteChar(1,0,16,"PM2.5:0000ug/m3 ");//在第一行顯示內容
WriteCOMDATA(0x86,0);
if(PMVAL<0)//PMVAL=0;
{WriteCOMDATA(0+0x30,1);PMVAL=abs(PMVAL);}
else WriteCOMDATA(PMVAL/1000+0x30,1);
WriteCOMDATA(PMVAL/100%10+0x30,1);
WriteCOMDATA(PMVAL/10%10+0x30,1);
WriteCOMDATA(PMVAL%10+0x30,1);
WriteChar(2,0,16,disp1); //在第二行顯示內容
}
}
if(Mode_count>6)
{
Mode_count=0;shezhi_flag=0;
//當下限值大于上限值時，蜂鳴器鳴叫1S提示，參數設置有誤
if(T1L>T1H || R1L>R1H)
{
BUZZER=0;Delay(1000);BUZZER=1;
}
//否則退出設置頁面，返回主頁面
else
{
……………………
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