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#include <reg52.h>
#include <intrins.h>
#include "buzz.h"
#include "key.h"
#include "uart.h"
#include "delay.h"
#include "FPM10A.h"
#include "lcd_1602.h"
#include "ds1302.h"
sbit Data=P1^3;
sbit beep=P2^7;
sbit LED=P3^7;
sbit jiashi=P1^4;
sbit JDQ=P3^6;
sbit SHUI=P3^4;
typedef unsigned int u16; //對數據類型進行聲明定義
typedef unsigned char u8;
char DisplayData[16]=" - : : ";
char DisplayData1[16]="Humi: %Temp: C";
int wendu=0,shidu=0,cishu=0;
void DHT11_delay_us(uchar n);
void DHT11_delay_ms(uint z);
void DHT11_start(void);
u8 DHT11_rec_byte(void);
void DHT11_receive(void);
void datapros()
{
Ds1302ReadTime(); //反饋時間TIME
DisplayData[1] = TIME[4]/16+0x30;
DisplayData[2] = (int)(TIME[4]&0x0f)+0x30; //月
DisplayData[4] = TIME[3]/16+0x30;
DisplayData[5] = (int)(TIME[3]&0x0f)+0x30; //日
DisplayData[7] = TIME[2]/16+0x30; //時
DisplayData[8] = (int)(TIME[2]&0x0f)+0x30;
DisplayData[10] = TIME[1]/16+0x30; //分
DisplayData[11] = (int)(TIME[1]&0x0f)+0x30;
DisplayData[13] = TIME[0]/16+0x30; //秒
DisplayData[14] = (int)(TIME[0]&0x0f)+0x30;
}
void main()
{
u8 i;
LCD1602_Init(); //初始化液晶
Uart_Init(); //初始化串口
Key_Init(); //初始化按鍵
LED=0;
while(1)
{
if(KEY_ENTER==0) //檢測按鍵K1是否按下
{
Delay_Ms(10); //消除抖動一般大約10ms
if(KEY_ENTER==0) //再次判斷按鍵是否按下
{
cishu++;
while(!KEY_ENTER); //檢測按鍵是否松開
}
}
//----------------------------時間功能模塊------------------------------------
if(cishu==1)
{
LCD1602_Display(0x80,"Fingerprint Test",0,16); //液晶開機顯示界面
datapros(); //數據處理函數
LCD1602_WriteCMD(0x80+0x40);
for(i=0;i<16;i++)
{
LCD1602_WriteDAT(DisplayData[i]);
}
}
//---------------------------指紋模塊功能------------------------------------
if(cishu==2)
{
Delay_Ms(200); //延時500MS，等待指紋模塊復位
Device_Check(); //校對指紋模塊是否接入正確，液晶做出相應的提示
Delay_Ms(1000); //對接成功界面停留一定時間
while(1)
{
if(KEY_ENTER==0) //檢測按鍵K1是否按下
{
Delay_Ms(10); //消除抖動一般大約10ms
if(KEY_ENTER==0) //再次判斷按鍵是否按下
{
cishu++;
while(!KEY_ENTER); //檢測按鍵是否松開
}
}
//--------------------------溫濕度功能模塊------------------------------------
if(cishu==3)
{
while(1)
{
DHT11_receive();
LCD1602_WriteCMD(0x01);
LCD1602_WriteCMD(0x80);
for(i=0;i<16;i++)
{
LCD1602_WriteDAT(DisplayData1[i]);
}
LCD1602_Display(0xc0,"H:70L:20H:30L:30",0,16);
Delay_Ms(100);
if(wendu<30)
{
LED=0;
beep=~beep; //蜂鳴器聲音很小
Delay_Ms(200);
LED=1;
}
else
{
LED=0;
beep=0;
}
if(shidu<20)
{
if(SHUI==1){JDQ=1;}
}
else
{
JDQ=0;
}
}
}
//--------------------進入主功能界面------------------------------------
LCD1602_Display(0x80," search finger ",0,16); //第一排顯示搜索指紋
LCD1602_Display(0xc0," Add delete",0,16); //添加和刪除指紋
if(local_date==0)
{
LCD1602_Display(0x80, " *",0,2);
LCD1602_Display(0xc0, " ",0,2);
LCD1602_Display(0xc0+8," ",0,2);
}
else if(local_date==1)
{
LCD1602_Display(0x80, " ",0,2);
LCD1602_Display(0xc0, " *",0,2);
LCD1602_Display(0xc0+8," ",0,2);
}
else if(local_date==2)
{
LCD1602_Display(0x80, " ",0,2);
LCD1602_Display(0xc0, " ",0,2);
LCD1602_Display(0xc0+8," *",0,2);
}
//確認鍵
if(KEY_OK == 0)
{
while(KEY_OK == 0);//等待松開按鍵
switch(local_date)
{
case 0: //搜索指紋
FPM10A_Find_Fingerprint();
break;
case 1: //添加指紋
FPM10A_Add_Fingerprint();
break;
case 2: //清空指紋
FPM10A_Delete_All_Fingerprint();
break;
}
}
//切換鍵
if(KEY_DOWN == 0)
{
while(KEY_DOWN == 0); //等待松開按鍵
if(local_date<=2)
{
local_date++;
if(local_date==3)
local_date=0;
}
}
Delay_Ms(100); //延時判斷100MS檢測一次
}
}
}
}
void DHT11_delay_us(uchar n)//延遲函數
{
while(--n);
}
void DHT11_delay_ms(uint z)//延遲函數
{
uint i,j;
for(i=z;i>0;i--)
for(j=110;j>0;j--);
}
void DHT11_start()//開始
{
Data=1;
DHT11_delay_us(2);
Data=0;
DHT11_delay_ms(20);
Data=1;
DHT11_delay_us(30);
}
u8 DHT11_rec_byte()
{
uchar i,dat=0;
for(i=0;i<8;i++)
{
while(!Data);
DHT11_delay_us(8);
dat<<=1;
if(Data==1)
dat+=1;
while(Data);
}
return dat;
}
void DHT11_receive()
{
uchar R_H,R_L,T_H,T_L,RH,RL,TH,TL,revise;
DHT11_start();
if(Data==0)
{
while(Data==0); //等待數據
DHT11_delay_us(40); //延時80us
R_H=DHT11_rec_byte(); //濕度高位
R_L=DHT11_rec_byte(); //濕度低位
T_H=DHT11_rec_byte(); //溫度高位
T_L=DHT11_rec_byte(); //溫度低位
revise=DHT11_rec_byte(); //獲取數據
DHT11_delay_us(25); //延時
if((R_H+R_L+T_H+T_L)==revise) //校驗
{
RH=R_H;
RL=R_L;
TH=T_H;
TL=T_L;
}
shidu=RH;
wendu=TH;
DisplayData1[5]=shidu/10+0x30;
DisplayData1[6]=shidu%10+0x30;
DisplayData1[13]=wendu/10+0x30;
DisplayData1[14]=wendu%10+0x30;
}
}

復制代碼

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