1、/Config.h文件/#ifndef _CONFIG_H#define _CONFIG_H/* 通用頭文件 */#include <reg52.h>#include <intrins.h>/* 數據類型定義 */*typedef signed char int8; / 8位有符號整型數typedef signed int int16; /16位有符號整型數typedef signed long int32; /32位有符號整型數 */typedef unsigned char u8; / 8位無符號整型數typedef unsigned int u16; /16位無符

2、號整型數typedef unsigned long u32; /32位無符號整型數/* 全局運行參數定義 */#define SYS_MCLK (11059200/12) /系統主時鐘頻率，即振蕩器頻率÷12/* IO引腳分配定義 sbit KEY_IN_1 = P24; /矩陣按鍵的掃描輸入引腳1sbit KEY_IN_2 = P25; /矩陣按鍵的掃描輸入引腳2sbit KEY_IN_3 = P26; /矩陣按鍵的掃描輸入引腳3sbit KEY_IN_4 = P27; /矩陣按鍵的掃描輸入引腳4sbit KEY_OUT_1 = P23; /矩陣按鍵的掃描輸出引腳1sbit KEY

3、_OUT_2 = P22; /矩陣按鍵的掃描輸出引腳2sbit KEY_OUT_3 = P21; /矩陣按鍵的掃描輸出引腳3sbit KEY_OUT_4 = P20; /矩陣按鍵的掃描輸出引腳4 */sbit ADDR0 = P10; /LED位選譯碼地址引腳0sbit ADDR1 = P11; /LED位選譯碼地址引腳1sbit ADDR2 = P12; /LED位選譯碼地址引腳2sbit ADDR3 = P13; /LED位選譯碼地址引腳3sbit ENLED = P14; /LED顯示部件的總使能引腳#define LCD12864_DB P0 /1602液晶數據端口sbit LCD12

4、864_RES = P10; /1602液晶指令/數據選擇引腳sbit LCD12864_RW = P11; /1602液晶讀寫引腳sbit LCD12864_EN = P15; /1602液晶使能引腳sbit DS1302_CE = P17; /DS1302片選引腳sbit DS1302_CK = P35; /DS1302通信時鐘引腳sbit DS1302_IO = P34; /DS1302通信數據引腳sbit I2C_SCL = P27; /I2C總線時鐘引腳sbit I2C_SDA = P26; /I2C總線數據引腳sbit BUZZER = P16; /蜂鳴器控制引腳sbit IO_1

5、8B20 = P32; /DS18B20通信引腳sbit IR_INPUT = P33; /紅外接收引腳#include "LCD12864.H"#include "I2C.H"#include "TSL2561.h"#endif/I2C通信協議/#include "config.h"#define I2CDelay() _nop_();_nop_();_nop_();_nop_();/* 產生總線起始信號 */void I2CStart() I2C_SDA = 1; /首先確保SDA、SCL都是高電平 I2C_S

6、CL = 1; I2CDelay(); I2C_SDA = 0; /先拉低SDA I2CDelay(); I2C_SCL = 0; /再拉低SCL/* 產生總線停止信號 */void I2CStop() I2C_SCL = 0; /首先確保SDA、SCL都是低電平 I2C_SDA = 0; I2CDelay(); I2C_SCL = 1; /先拉高SCL I2CDelay(); I2C_SDA = 1; /再拉高SDA I2CDelay();/* I2C總線寫操作，dat-待寫入字節，返回值-從機應答位的值 */bit I2CWrite(unsigned char dat) bit ack;

7、/用于暫存應答位的值 unsigned char mask; /用于探測字節內某一位值的掩碼變量 for (mask=0x80; mask!=0; mask>>=1) /從高位到低位依次進行 if (mask&dat) = 0) /該位的值輸出到SDA上 I2C_SDA = 0; else I2C_SDA = 1; I2CDelay(); I2C_SCL = 1; /拉高SCL I2CDelay(); I2C_SCL = 0; /再拉低SCL，完成一個位周期 I2C_SDA = 1; /8位數據發送完后，主機釋放SDA，以檢測從機應答 I2CDelay(); I2C_SCL

8、 = 1; /拉高SCL ack = I2C_SDA; /讀取此時的SDA值，即為從機的應答值 I2CDelay(); I2C_SCL = 0; /再拉低SCL完成應答位，并保持住總線 return (ack); /應答值取反以符合通常的邏輯： /0=不存在或忙或寫入失敗，1=存在且空閑或寫入成功/* I2C總線讀操作，并發送非應答信號，返回值-讀到的字節 */unsigned char I2CReadNAK() unsigned char mask; unsigned char dat; I2C_SDA = 1; /首先確保主機釋放SDA for (mask=0x80; mask!=0; m

9、ask>>=1) /從高位到低位依次進行 I2CDelay(); I2C_SCL = 1; /拉高SCL if(I2C_SDA = 0) /讀取SDA的值 dat &= mask; /為0時，dat中對應位清零 else dat |= mask; /為1時，dat中對應位置1 I2CDelay(); I2C_SCL = 0; /再拉低SCL，以使從機發送出下一位 I2C_SDA = 1; /8位數據發送完后，拉高SDA，發送非應答信號 I2CDelay(); I2C_SCL = 1; /拉高SCL I2CDelay(); I2C_SCL = 0; /再拉低SCL完成非應答位

10、，并保持住總線 return dat;/* I2C總線讀操作，并發送應答信號，返回值-讀到的字節 *unsigned char I2CReadACK() unsigned char mask; unsigned char dat; I2C_SDA = 1; /首先確保主機釋放SDA for (mask=0x80; mask!=0; mask>>=1) /從高位到低位依次進行 I2CDelay(); I2C_SCL = 1; /拉高SCL if(I2C_SDA = 0) /讀取SDA的值 dat &= mask; /為0時，dat中對應位清零 else dat |= mask

11、; /為1時，dat中對應位置1 I2CDelay(); I2C_SCL = 0; /再拉低SCL，以使從機發送出下一位 I2C_SDA = 0; /8位數據發送完后，拉低SDA，發送應答信號 I2CDelay(); I2C_SCL = 1; /拉高SCL I2CDelay(); I2C_SCL = 0; /再拉低SCL完成應答位，并保持住總線 return dat; */LCD12864顯示/#include "config.h"u8 zhbuf="預覽" /中文數組u8 ehbuf="yulan" /英文字符數組u8 code i

12、mbuf= /圖片碼128*64 寬16，高320x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,;/*寫等待*/void Write_Ready()u8 sta=0;LCD12864_RES = 0;LCD12864_RW = 1;doLCD12864_EN = 1;sta = P0;LCD12864_EN = 0;while(sta&0x80);/*讀RAM中數據*/u8 Read_12864_RAM()u8 ram=0;LCD12864_RES = 1;LCD12864_

13、RW = 1;LCD12864_EN = 1;ram = P0;LCD12864_EN = 0;return ram;/*寫指令*/void Write_12864_Cmd(u8 cmd)Write_Ready();LCD12864_RES = 0;LCD12864_RW = 0;P0 = cmd;LCD12864_EN = 1;LCD12864_EN = 0;/*寫數據*/void Write_12864_Dat(u8 dat)Write_Ready();LCD12864_RES = 1;LCD12864_RW = 0;P0 = dat;LCD12864_EN = 1;LCD12864_EN

14、 = 0;/*設置起始坐標*/void Set_DDRAM_XY(u8 x,u8 y)if(x>=7)x=7;if(y>=3)y=3;switch(y)case 0:Write_12864_Cmd(0x80+x);break;case 1:Write_12864_Cmd(0x90+x);break;case 2:Write_12864_Cmd(0x88+x);break;case 3:Write_12864_Cmd(0x98+x);break;default : break;/*顯示連續的2個字符*/void Show_Double_12864_Char(u8 x,u8 y,u8

15、*c)Set_DDRAM_XY(x,y);Write_12864_Dat(*c);Write_12864_Dat(*(c+1); /*顯示單個字符*/void Show_Single_12864_Char(u8 x,u8 y,u8 *c)Set_DDRAM_XY(x,y);Write_12864_Dat(*c); /*顯示中文字符串*/void Show_12864_ZH(u8 x,u8 y,u8 *zh)u8* p=zh;Set_DDRAM_XY(x,y);while(*p)!='0')Write_12864_Dat(*p+);/*顯示一串數值*/*u8 dec 小數位 為0

16、不顯示小數*/void Show_12864_NUM(u8 x,u8 y,u8 dec,u16 num)u8 i;u8 numbuf6;for(i=0;num;i+)numbufi=num%10+'0'num/=10;Set_DDRAM_XY(x,y);for(;i;i-)if(i=dec)Write_12864_Dat(0X2E); /顯示小數點Write_12864_Dat(*(numbuf+(i-1); /顯示數值/*顯示英文字符串*/void Show_12864_EH(u8 x,u8 y,u8 *eh)u8* p=eh;Set_DDRAM_XY(x,y);while(

17、*p)!='0')Write_12864_Dat(*p+);/*顯示圖案*/void Show_12864_IM(u8 code *im)unsigned char x,y,i;unsigned int tmp=0;for(i=0;i<9;) /分兩屏，上半屏和下半屏，因為起始地址不同，需要分開for(x=0;x<32;x+) /32行Write_12864_Cmd(0x34);Write_12864_Cmd(0x80+x);/列地址Write_12864_Cmd(0x80+i);/行地址，下半屏，即第三行地址0X88Write_12864_Cmd(0x30);fo

18、r(y=0;y<16;y+)Write_12864_Dat(imtmp+y);/讀取數據寫入LCDtmp+=16;i+=8;Write_12864_Cmd(0x36);/擴充功能設定Write_12864_Cmd(0x30); /*初始化12864*/void Init_Lcd12864()Read_12864_RAM();Show_Single_12864_Char(0,0,'A');Show_Double_12864_Char(0,0,"AB");Show_12864_NUM(0,0,1,123);Show_12864_ZH(0,0,"預

19、覽");Show_12864_EH(0,0,"yulan");Show_12864_IM(imbuf); Write_12864_Cmd(0X30);/8位數據，基本指令 Write_12864_Cmd(0X0C);/開顯示，關游標 Write_12864_Cmd(0X01);/清屏 Write_12864_Cmd(0X02);/地址歸位 Write_12864_Cmd(0X80);/設置DDRAM地址/TSL2561代碼/#include "config.h"/*初始化TSL2561*/void Init_TSL2561()TSL2561_W

20、rite(0X80|TSL2561_CONTROL,0x03); /選擇控制寄存器/工作模式TSL2561_Write(0X80|TSL2561_TIME,0x01); /選擇轉換時間控制寄存器/*讀TSL2561寄存器中的數據，addr是寄存器地址*/u8 TSL2561_Read(u8 addr)u8 lx=0;I2CStart();I2CWrite(TSL2561_WR); /選擇TSL2561I2CWrite(0X80|addr); /選擇寄存器I2CStart();I2CWrite(TSL2561_RD);lx=I2CReadNAK(); /讀取寄存器中的值I2CStop();ret

21、urn lx;/*寫TSL2561命令或數據，addr是寄存器地址*/void TSL2561_Write(u8 addr,u8 cmd)I2CStart();I2CWrite(TSL2561_WR); /選擇TSL2561寫操作I2CWrite(0X80|addr); /選擇寄存器I2CWrite(cmd); /寫入命令或數據I2CStop();/*讀取光強*/u16 TSL_Read_LX()u8 lxl=0,lxh=0,lxp=0;double lx=0;u16 ch0=0,ch1=0;lxl=TSL2561_Read(TSL2561_DATA0_L);lxh=TSL2561_Read(TSL2561_DATA0_H);ch0=lxh*256+lxl;lxh=0,lxl=0;lxl=TSL2561_Read(TSL2561_DATA1_L);lxh=TSL2561_Read(TSL2561_DATA