温湿度DHT11应用程序12864显示.doc

温湿度DHT11应用程序12864显示#include #include #define uchar unsigned char#define uint unsigned intsbit data1= P10;sbit sid=P36;/数据口 sbit sclk=P37;/时钟 sbit led=P20;/测试灯sbit led1=P21; sbit led2=P22; sbit led3=P23; uchar lcd_x,lcd_y,data_byte=0;uchar count; uint U8T_data_H, U8T_data_L, U8RH_data_H, U8RH_data_L, U8checkdata;uint U8T_data_H_temp, U8T_data_L_temp,num, U8RH_data_H_temp, U8RH_data_L_temp, U8checkdata_temp; /unsigned char table10=0123456789;/uchar int table18; unsigned char str1=;unsigned char str2=;unsigned char code lcd = 温湿度检测系统;unsigned char code lcd1 = 温度:;unsigned char code lcd2 = 湿度:; unsigned char code lcd3 = ;unsigned char code lcd4 = %RH;void Delay2(uint z) uint i; for(i=z;i0;i-) for(i=0;i110;i-); void Delay_10us(void) int i=5; i-; uchar rece() uchar i,temp ;for(i=0;i8;i+) count=2; while(!data1)&count+);/ temp=0; Delay_10us(); Delay_10us(); Delay_10us(); temp=0; if(data1=1)temp=1; count=2; while(data1&count+); if(count=1) break;/temp=0; data_byte0;x-) for(y=110;y0;y-); void send(uchar byte) uchar i;for(i=0;i8;i+)sid=byte&0x80; sclk=0; sclk=1;byte=1; void write_date(uchar date) uchar star_date,hdate,ldate;/if(star=0)/star_date=0xf8;/写指令/elsestar_date=0xfa;/写数据hdate=date&0xf0;/取高4位ldate=(date4)&0xf0;/取低4位send(star_date);delay(1);send(hdate);delay(1);send(ldate);delay(1); void write_com(uchar com) uchar star_date,hdate,ldate;/if(star=0)star_date=0xf8;/写指令/else/star_date=0xfa;/写数据hdate=com&0xf0;/取高4位ldate=(com4)&0xf0;/取低4位send(star_date);delay(1);send(hdate);delay(1);send(ldate);delay(1); void lcd_dis_code(uint cmd_addr,uchar num,uchar dis) uint i; write_com(cmd_addr);for(i=0;inum;i+)write_date(disi);void lcd_init() delay(100); write_com(0x30);write_com(0x02); write_com(0x06);write_com(0x0c); write_com(0x01);write_com(0x80); delay(5);void lcd_pos(uchar x,uchar y)uchar pos;if(x=1)x=0x80;else if(x=2)x=0x90;else if(x=3)x=0x88;else x=0x98;write_com(y|pos);void main() uchar k,j; lcd_init(); lcd_dis_code(0x80,16,lcd); lcd_dis_code(0x88,9,lcd1); lcd_dis_code(0x98,9,lcd2); lcd_dis_code(0x8e,2,lcd3); lcd_dis_code(0x9e,5,lcd4); while(1) / void Read()/ led=0; data1=0; Delay2(20); data1=1; Delay_10us(); Delay_10us(); Delay_10us(); Delay_10us(); data1=1; /led=0; if(!data1) /led=0; /count=2; /while(data1)&count+); /count=2; led1=0; while(data1&count+); led2=0; U8RH_data_H_temp= rece(); U8RH_data_L_temp= rece(); U8T_data_H_temp=rece(); U8T_data_L_temp=rece(); U8checkdata_temp=rece(); data1=1; num=(U8T_data_H_temp+U8T_data_L_temp+U8RH_data_H_temp+U8RH_data_L_temp); if(num=U8checkdata_temp) led3=0; U8RH_data_H=U8RH_data_H_temp; U8RH_data_L=U8RH_data_L_temp; U8T_data_H=U8T_data_H_temp; U8T_data_L=U8T_data_L_temp; U8checkdata=U8checkdata_temp; str10=(ch