本人找了一段dht11在1602上显示的程序,但因为莫名的原因注释变成了乱码,求大神帮忙复原一下下付程序:
#include"reg52.h"#include<intrins.H> sbit RS = P1^0; //???? sbit EN = P1^1;sbit dp = P2^5;#define RS_CLR RS=0 #define RS_SET RS=1#define EN_CLR EN=0#define EN_SET EN=1//msgnum[]存储短信编号的字符编码,第times New Roman">0字节存储编号位数unsigned char temp,setmode=0,open=0,start=0,mode=1,rxnum=1,rxbuf[20]={" "},msgnum[4],delmsgstart=0,phonebuf[15],startsend=0,num_yinhao=0;unsigned char code atreadmsg[8]={"AT+CMGR="};unsigned char code atdelmsg[8]={"AT+CMGD="};unsigned char code atset[9]={"AT+CMGF=1"};unsigned char code atset2[11]={"AT+CNMI=2,1"};unsigned char code atsend[9]={"AT+CMGS=x22"};unsigned char code atset3[4]={"ATE0"}; unsigned char qqq[5]={0,0,0,0,0},h1=0,h2=0,t1=0,t2=0,baojing=0;/******************************************************************//* ?????? *//******************************************************************/void delay_us(unsigned int n) //?? ????????? ?????{ if (n == 0) { return ; } while (--n); }/******************************************************************//* ?????? *//******************************************************************/ void delay_ms(unsigned char i) { unsigned char a, b; for (a = 1; a < i; a++) { for (b = 1; b; b++) { ; } } } void delay(unsigned char i) /*??i/10 ms*/{unsigned char y;for(;i >0;i--)for(y=0;y<28;y++);} void delay_10us() /*??10 us*/{ _nop_();_nop_();_nop_();_nop_();_nop_();} /******************************************************************//* ?????? *//******************************************************************/ void LCD_write_com(unsigned char com) { RS_CLR; EN_SET; P0 = com; delay_us(5); EN_CLR; }/******************************************************************//* ?????? *//******************************************************************/ void LCD_write_Data(unsigned char Data) { RS_SET; EN_SET; P0 = Data; delay_us(5); EN_CLR; }/******************************************************************//* ?????? *//******************************************************************/ void LCD_write_char(unsigned char x,unsigned char y,unsigned char Data) { if (y == 0) { LCD_write_com(0x80 + x); } else { LCD_write_com(0xC0 + x); } LCD_write_Data( Data); }/******************************************************************//* ????? *//******************************************************************/ void LCD_init(void) { LCD_write_com(0x38); //数据线8位,两行显示,5*7点阵 LCD_write_com(0x01); /*????*/ //清屏 LCD_write_com(0x06); /*????????*///写入数据后光标右移,显示屏不移动 delay_ms(3);//必须的延时,最少3ms LCD_write_com(0x0c); /*????????*///显示开,无光标,光标闪烁} void Read(unsigned char * Data) /*??DHT11??*/{unsigned char x,m,n,Time_out; for(n=0;n<5;n++) { for(m=0;m<8;m++) { while (!dp); /*??bit????50us???????,??????DHT11?????????*/ delay_10us(); //????????????0??1,??0 ???????26us-28us,???30us delay_10us(); _nop_(); _nop_();// _nop_();// _nop_();// _nop_(); // _nop_();// _nop_();// _nop_();// _nop_(); x = 0; /*????x?0*/ if(dp) /*?????????30us,????x?1*/ x = 1; Time_out = 2; while (dp&&Time_out++); /*?????????????,?????????DHT11?????????,????????*/ if(Time_out==1) /*??????????,?Time_out????(??????8bit?????),???1,???*/ break; /*?????,????*/ *Data <<= 1; /*DHT11??????????,?????,??????*/ if(x) *Data |= 0x01; /*??????????????x?,??????????*/ } Data++; }} unsigned char Get_data() /*DHT11????????????*/{ unsigned char o,sum; dp = 0; /*????????18ms,??DHT11????????*/ delay(180); /*?????18ms*/ dp = 1; /*?????20-40us,????DHT11??*/ delay_10us(); delay_10us(); delay_10us(); if(dp==0) /*DHT11????,???????80us*/ { while (!dp); /*??DHT11??????80us,??????*/ while (dp); /*??DHT11??????,??????*/ Read(qqq); /*?????????*/ for(o=0;o<4;o++) /*?????????,??32bit????,??????8bit*/ sum+=qqq[o]; if(sum!=qqq[4]) /*CRC??*/ return 0; else return 1; /*??,???1; ??,??0*/ } return 0;}
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