40、基于51单片机加湿器控制电路图及程序

#include<reg52.h> #include"DS1302.H" #include"LCD1602.H" #include"DHT11.C" #define uchar unsigned char #define uint unsigned int #define HIGH 1 #define LOW 0 #define KEY_NO_NUM 0 #define KEY_TIM_SET_NUM 1 #define KEY_ADD_NUM 2 #define KEY_MIN_NUM 3 #define KEY_TIMING_SET_NUM 4 bit Start_flag=0; uchar Tim_red_tab[7]={0}; //记录年月日时分秒和系统状态信息 uchar Timing_tab[3][2]={{8,30},{40,20},{40,30}}; //记录定时间 uchar SET_TIM_FLAG=0; //时间设置标志位 bit Again_flag=0; uchar SET_TIMING_FLAG=0; //设置定时时间标志位 sbit KEY_TIM_SET=P3^0; //时间设置按键 sbit KEY_TIMING_SET=P3^1; //秒表停止 sbit KEY_ADD=P3^2; //时间设置加 sbit KEY_MIN=P3^3; //时间设置减 sbit LED1=P1^3; sbit LED2=P1^4; sbit Relay=P2^0; void delayms(uint xms); void Sys_init(void); void Main_display(void); void keycsan(void); void Watch_display(void); void Settiming_dis(void); void Control(void); /************************************ 主程序 ************************************/ void main() { Sys_init(); RH(); delayms(10); RH(); delayms(10); RH(); delayms(10); RH(); delayms(10); RH(); delayms(10); while(1) { if(SET_TIMING_FLAG==0) {Main_display();} else {Settiming_dis();} keycsan(); Control(); RH(); } } /************************************ 延时子程序 延时时间(xms*1)ms *************************************/ void delayms(uint xms) { uint x,y; for(x=xms;x>0;x--) for(y=110;y>0;y--); } /************************************ 系统初始化 ************************************/ void Sys_init(void) { INIT_DS1302(); //初始化DS1302 init_1602(); //初始化LCD1602 Timing_tab[0][0]=READ_DS1302(READ_DS1302_Timing_Hour1); if(Timing_tab[0][0]>23) Timing_tab[0][0]=0; Timing_tab[0][1]=READ_DS1302(READ_DS1302_Timing_Min1); if(Timing_tab[0][1]>59) Timing_tab[0][1]=0; Timing_tab[1][0]=READ_DS1302(READ_DS1302_Timing_Hour2); if(Timing_tab[1][0]>99) Timing_tab[1][0]=0; Timing_tab[1][1]=READ_DS1302(READ_DS1302_Timing_Min2); if(Timing_tab[1][1]>99) Timing_tab[1][1]=0; } /************************************ 控制子程序 ************************************/ void Control(void) { static uchar i=0; if(Tim_red_tab[4]==Timing_tab[0][0]&&Tim_red_tab[5]==Timing_tab[0][1]&&Tim_red_tab[6]<3) { if(U8RH_data_H<Timing_tab[1][0]) { Relay=0; } } else if(U8RH_data_H<Timing_tab[1][1]&&i==10) Relay=0; else if(U8RH_data_H>Timing_tab[1][0]-1) Relay=1; if(U8RH_data_H<Timing_tab[1][1]) { if(i<10) i++; else { LED1=0; LED2=1; } } else if(U8RH_data_H>Timing_tab[1][0]) { LED1=1; LED2=0; } else { i=0; LED1=1; LED2=1; } } /************************************ 主界面 ************************************/ void Main_display(void) { static uchar Year=80,Month=80,Day=80,Week=80,Hour=80,Min=80,Sec=80; static uchar i; if(Again_flag) { Again_flag=0; Year=80;Month=80;Day=80;Hour=80;Min=80;Sec=80;Week=80; } if(SET_TIM_FLAG==0) { Tim_red_tab[0]=READ_DS1302(READ_DS1302_YEAR); Tim_red_tab[1]=READ_DS1302(READ_DS1302_MONTH); Tim_red_tab[2]=READ_DS1302(READ_DS1302_DAY); Tim_red_tab[3]=READ_DS1302(READ_DS1302_WEEK); Tim_red_tab[4]=READ_DS1302(READ_DS1302_HOUR); Tim_red_tab[5]=READ_DS1302(READ_DS1302_MINUTE); Tim_red_tab[6]=READ_DS1302(READ_DS1302_SECOND); if(Year!=Tim_red_tab[0]) { Year=Tim_red_tab[0]; WRITE_LCD1602_COM(0x80+2); //指定显示字符的地址 WRITE_LCD1602_DAT(LCD1602_Table[Tim_red_tab[0]/10]); //年 WRITE_LCD1602_DAT(LCD1602_Table[Tim_red_tab[0]%10]); //年 } if(Month!=Tim_red_tab[1]) { Month=Tim_red_tab[1]; WRITE_LCD1602_COM(0x80+5); //指定显示字符的地址 WRITE_LCD1602_DAT(LCD1602_Table[Tim_red_tab[1]/10]); //月 WRITE_LCD1602_DAT(LCD1602_Table[Tim_red_tab[1]%10]); //月 } if(Day!=Tim_red_tab[2]) { Day=Tim_red_tab[2]; WRITE_LCD1602_COM(0x80+8); //指定显示字符的地址 WRITE_LCD1602_DAT(LCD1602_Table[Tim_red_tab[2]/10]); //日 WRITE_LCD1602_DAT(LCD1602_Table[Tim_red_tab[2]%10]); //日 } if(Week!=Tim_red_tab[3]) { Week=Tim_red_tab[3]; WRITE_LCD1602_COM(0x80+12); //指定显示字符的地址 switch(Week) { case 0: WRITE_LCD1602_DAT('S'); WRITE_LCD1602_DAT('U'); WRITE_LCD1602_DAT('N'); break; case 1: WRITE_LCD1602_DAT('M'); WRITE_LCD1602_DAT('O'); WRITE_LCD1602_DAT('N'); break; case 2: WRITE_LCD1602_DAT('T'); WRITE_LCD1602_DAT('U'); WRITE_LCD1602_DAT('E'); break; case 3: WRITE_LCD1602_DAT('W'); WRITE_LCD1602_DAT('E'); WRITE_LCD1602_DAT('D'); break; case 4: WRITE_LCD1602_DAT('T'); WRITE_LCD1602_DAT('H'); WRITE_LCD1602_DAT('U'); break; case 5: WRITE_LCD1602_DAT('F'); WRITE_LCD1602_DAT('I'); WRITE_LCD1602_DAT('R'); break; case 6: WRITE_LCD1602_DAT('S'); WRITE_LCD1602_DAT('A'); WRITE_LCD1602_DAT('T'); break; default: WRITE_DS1302(DS1302_WRITE_PROTECT,DS1302_WRITE_PROTECT_NO); //禁止写保护 WRITE_DS1302(WRITE_DS1302_WEEK,0); //星期 WRITE_DS1302(DS1302_WRITE_PROTECT,DS1302_WRITE_PROTECT_OFF); //允许写保护 break; } } if(Hour!=Tim_red_tab[4]) { Hour=Tim_red_tab[4]; WRITE_LCD1602_COM(0x80+0x40); //指定显示字符的地址 WRITE_LCD1602_DAT(LCD1602_Table[Tim_red_tab[4]/10]); //时 WRITE_LCD1602_DAT(LCD1602_Table[Tim_red_tab[4]%10]); //时 } if(Min!=Tim_red_tab[5]) { Min=Tim_red_tab[5]; WRITE_LCD1602_COM(0x80+0x40+3); //指定显示字符的地址 WRITE_LCD1602_DAT(LCD1602_Table[Tim_red_tab[5]/10]); //分 WRITE_LCD1602_DAT(LCD1602_Table[Tim_red_tab[5]%10]); //分 } Sec=Tim_red_tab[6]; WRITE_LCD1602_COM(0x80+0x40+6); //指定显示字符的地址 WRITE_LCD1602_DAT(LCD1602_Table[Tim_red_tab[6]/10]); //秒 WRITE_LCD1602_DAT(LCD1602_Table[Tim_red_tab[6]%10]); //秒 } else { i++; if(i>10) i=0; WRITE_LCD1602_COM(0x80+2); //指定显示字符的地址 if(i<5&&SET_TIM_FLAG==1){WRITE_LCD1602_DAT(' ');WRITE_LCD1602_DAT(' ');} else{WRITE_LCD1602_DAT(LCD1602_Table[Tim_red_tab[0]/10]);WRITE_LCD1602_DAT(LCD1602_Table[Tim_red_tab[0]%10]);} WRITE_LCD1602_COM(0x80+5); //指定显示字符的地址 if(i<5&&SET_TIM_FLAG==2){WRITE_LCD1602_DAT(' ');WRITE_LCD1602_DAT(' ');} else{WRITE_LCD1602_DAT(LCD1602_Table[Tim_red_tab[1]/10]);WRITE_LCD1602_DAT(LCD1602_Table[Tim_red_tab[1]%10]);} WRITE_LCD1602_COM(0x80+8); //指定显示字符的地址 if(i<5&&SET_TIM_FLAG==3){WRITE_LCD1602_DAT(' ');WRITE_LCD1602_DAT(' ');} else{WRITE_LCD1602_DAT(LCD1602_Table[Tim_red_tab[2]/10]);WRITE_LCD1602_DAT(LCD1602_Table[Tim_red_tab[2]%10]);} WRITE_LCD1602_COM(0x80+12); //指定显示字符的地址 if(i<5&&SET_TIM_FLAG==4){WRITE_LCD1602_DAT(' ');WRITE_LCD1602_DAT(' ');WRITE_LCD1602_DAT(' ');} else { switch(Tim_red_tab[3]) { case 0: WRITE_LCD1602_DAT('S'); WRITE_LCD1602_DAT('U'); WRITE_LCD1602_DAT('N'); break; case 1: WRITE_LCD1602_DAT('M'); WRITE_LCD1602_DAT('O'); WRITE_LCD1602_DAT('N'); break; case 2: WRITE_LCD1602_DAT('T'); WRITE_LCD1602_DAT('U'); WRITE_LCD1602_DAT('E'); break; case 3: WRITE_LCD1602_DAT('W'); WRITE_LCD1602_DAT('E'); WRITE_LCD1602_DAT('D'); break; case 4: WRITE_LCD1602_DAT('T'); WRITE_LCD1602_DAT('H'); WRITE_LCD1602_DAT('U'); break; case 5: WRITE_LCD1602_DAT('F'); WRITE_LCD1602_DAT('I'); WRITE_LCD1602_DAT('R'); break; case 6: WRITE_LCD1602_DAT('S'); WRITE_LCD1602_DAT('A'); WRITE_LCD1602_DAT('T'); break; defau