1、#include<reg52.h>#include < intrins.h >/TSL2561地址#define uchar unsigned char#define uint unsigned int/設備讀寫地址#define SLAVE_ADDR_WR 0x52#define SLAVE_ADDR_RD 0x53/命令控制寄存器#define CONTROL 0x80#/define TIMING 0x81#define DATA0LOW 0x8C#define DATA0HIGH 0x8D#define DATA1LOW 0x8E#define DATA1HIG

2、H 0x8Fuchar DataLow0,DataHigh0,DataLow1,DataHigh1,commad;long double Channel0,Channel1;unsigned long temp=0,wet=0;float ratio;unsigned char le6;/LCD控制腳sbit LCD_RS = P25; sbit LCD_RW = P26; sbit LCD_EN = P27; sbit sda = P20;sbit scl = P21;void delay();uchar code cdis3 = "guangzhaoshiyan"uch

3、ar code cdis4 = "qdu: Lux" ;#define delayNOP() _nop_() ;_nop_() ;_nop_() ;_nop_() ; void delay1(int ms) unsigned char y ; while(ms-) for(y=0;y<250;y+) _nop_() ; _nop_() ; _nop_() ; _nop_() ; void delays(unsigned int cnt) while(-cnt);void delay1ms(uchar x)uchar a,b;for(a=x;a>0;a-)for(

4、b=100;b>0;b-);/*/*檢查LCD忙狀態(tài) */*lcd_busy為1時，忙，等待。lcd-busy為0時,閑，可寫指令與數(shù)據(jù)。 */*/ bit lcd_busy() bit result ; LCD_RS = 0 ; LCD_RW = 1 ; LCD_EN = 1 ; delayNOP() ; result = (bit)(P0&0x80) ; LCD_EN = 0 ; return(result) ; /*寫指令數(shù)據(jù)到LCD */*RS=L，RW=L，E=高脈沖，D0-D7=指令碼。 */*/void lcd_wcmd(uchar cmd) while(lcd_b

5、usy() ; LCD_RS = 0 ; LCD_RW = 0 ; LCD_EN = 0 ; _nop_() ; _nop_() ; P0 = cmd ; delayNOP() ; LCD_EN = 1 ; delayNOP() ; LCD_EN = 0 ; /*/*寫顯示數(shù)據(jù)到LCD */*RS=H，RW=L，E=高脈沖，D0-D7=數(shù)據(jù)。 */*/void lcd_wdat(uchar dat) while(lcd_busy() ; LCD_RS = 1 ; LCD_RW = 0 ; LCD_EN = 0 ; P0 = dat ; delayNOP() ; LCD_EN = 1 ; del

6、ayNOP() ; LCD_EN = 0 ; /* LCD初始化設定 */*/void lcd_init() delay1(15) ; lcd_wcmd(0x01) ; /清除LCD的顯示內(nèi)容 lcd_wcmd(0x38) ; /16*2顯示，5*7點陣，8位數(shù)據(jù) delay1(5) ; lcd_wcmd(0x38) ; delay1(5) ; lcd_wcmd(0x38) ; delay1(5) ; lcd_wcmd(0x0c) ; /顯示開，關(guān)光標 delay1(5) ; lcd_wcmd(0x06) ; /移動光標 delay1(5) ; lcd_wcmd(0x01) ; /清除LCD的

7、顯示內(nèi)容 delay1(5) ;/* 設定顯示位置 */*/void lcd_pos(uchar pos) lcd_wcmd(pos | 0x80) ; /數(shù)據(jù)指針=80+地址變量void start()sda=1;delay();scl=1;delay();sda=0;delay();void stop()sda=0;delay();scl=1;delay();sda=1;delay();void respons()uchar i;scl=1;delay();while(sda=1)&&(i<250)i+;scl=0;delay();void write_byte(un

8、signed char date)uchar i;for(i=0;i<8;i+)scl=0;date<<=1;sda=CY;delay();scl=1;delay();scl=0;delay();sda=1; /釋放資源delay();uchar read_byte()uchar i,k=0;scl=0;delay();sda=1; /釋放資源delay();for(i=0;i<8;i+)scl=1;delay();k=(k<<1)|sda;scl=0;delay();return k;void TSL2561_Write(uchar command,uch

9、ar date)start();write_byte(SLAVE_ADDR_WR);respons();write_byte(command);respons();write_byte(date);respons();stop();uchar TSL2561_Read(uchar command)uchar date;start();write_byte(SLAVE_ADDR_WR);respons();write_byte(command);respons();start();write_byte(SLAVE_ADDR_RD);respons();date=read_byte();respo

10、ns();stop();return date;/讀取光照強度void Read_Light()DataLow0 = TSL2561_Read(DATA0LOW);delay1(1);DataHigh0 = TSL2561_Read(DATA0HIGH);delay1(1);Channel0 = 256*DataHigh0 + DataLow0;DataLow1 = TSL2561_Read(DATA1LOW);delay1(1);DataHigh1 = TSL2561_Read(DATA1HIGH);delay1(1);Channel1 = 256*DataHigh1 + DataLow1;

11、ratio=Channel1/Channel0;/temp=Channel0;if(ratio>0)&&(ratio<=0.5)temp=0.0304*Channel0-0.062*Channel0*(ratio*ratio/1.5);else if(ratio>0.5)&&(ratio<=0.61)temp=0.0224*Channel0-0.031*Channel1;else if(ratio>0.61)&&(ratio<=0.8)temp=0.0128*Channel0-0.0153*Channel1;e

12、lse if(ratio>0.8)&&(ratio<=1.3)temp=0.00146*Channel0-0.00112*Channel1;elsetemp=0;ratio=0;void disp(void)/顯示函數(shù) wet=temp; temp=0; le0=wet%10; /最低位 wet=wet/10; le1=wet%10; /第二位 wet=wet/10; le2=wet%10; /第三位 wet=wet/10;le3=wet%10;lcd_pos(0x47);lcd_wdat(le3+48); lcd_pos(0x48) ; lcd_wdat(le2+48); lcd_pos(0x49) ; lcd_wdat(le1+48); lcd_pos(0x4a) ; lcd_wdat(le0+48); delays(100); void gzh_Menu () /顯示濕度的菜單 uchar m ; lcd_pos(0) ; /設置顯示位置為第一行的第1個字符 m = 0 ; while(cdis3m != '0') /顯示字符 lcd_wdat(cdis3m) ; m+ ; lcd_pos(0x40) ; /