液晶显示电冰箱温度控制器

1、液晶显示电冰箱温控器源程序#include / 器件配置文件#include sbit LCM_RS=P33; /引脚定义sbit LCM_RW=P34; /引脚定义sbit LCM_EN=P35; /引脚定义sbit OUT=P36; /控制继电器sbit TSOR=P37; /温度测试端#define Busy 0x80 /常量定义#define uchar unsigned char#define uint unsigned int#define DATAPORT P1 #define reset( WDT=0x1e;WDT=0xe1;/看门狗启动/复位宏定义sfr WDT=0xa6;/

2、看门狗寄存器定义bit ON_OFF;bit outflag;/=uchar temp1,temp2;uchar cnt;uchar deda,sec; /时间变量char min,hour;char set,T;uchar data buff10;uchar ReadStatusLCM(void;/读数据到MCU子函数声明uchar code str0="- : : - "/待显字符串uchar code str1="SET: C SA: . C"uchar code str2=" "/待显空字符串/=函数声明=void fun0(

3、void;void fun1(void;void fun2(void;void fun3(void;void set_adj(void;void inc_key(void;void dec_key(void;void key(void;void gettempTS(void;void initTS(void;uchar readBTS(void;void writeBTS(uchar byte;void resetTS(void;bit readTS(void;void write1TS(void;void write0TS(void;void delay15us(void;void dela

4、y60us(void;/*延时K*1mS，12.000MHz*void delay(uint k/函数名为delay的延时子函数。定义k为无符号整型变量 /delay函数开始uint i,j; /定义i、j为无符号整型变量for(i=0;i /for循环语句开始for(j=0;j<60;j+ / for循环语句开始;reset( /两个for循环体 /delay函数结束/*-写指令到LCM子函数-*/void WriteCommandLCM(uchar WCLCM, uchar BusyC /*函数名为WriteCommandLCM 的写指令到LCM子函数。定义WCLCM、BusyC 为

5、无符号字符型变量*/ /WriteCommandLCM函数开始if(BusyCReadStatusLCM(; /*若BusyC为"1"，则调用ReadStatusLCM子函数进行忙检测*/DATAPORT=WCLCM; /将变量WCLCM中的指令传送至P1口LCM_RS=0; /选中指令寄存器LCM_RW=0; /写模式LCM_EN=0; /置LCM_EN端为低电平LCM_EN=0; /置LCM_EN端为低电平，延时一会儿LCM_EN=1; /置LCM_EN端为高电平，写入使能 / WriteCommandLCM函数结束/*-写数据到LCM子函数-*/void WriteD

6、ataLCM(uchar WDLCM /*函数名为WriteDataLCM 的写数据到LCM子函数。定义WDLCM 为无符号字符型变量*/ / WriteDataLCM函数开始ReadStatusLCM(; /调用ReadStatusLCM子函数检测忙信号DATAPORT=WDLCM; /将变量WDLCM中数据传送至P1口LCM_RS=1; /选中数据寄存器LCM_RW=0; /写模式LCM_EN=0; /置LCM_EN端为低电平LCM_EN=0; /置LCM_EN端为低电平，延时一会儿LCM_EN=1; /置LCM_EN端为高电平，写入使能 / WriteDataLCM函数结束/*-读数据到

7、MCU子函数-*/*uchar ReadDataLCM(void /函数名为ReadDataLCM的读数据到MCU子函数 / ReadDataLCM函数开始LCM_RS=1; /选中数据寄存器LCM_RW=1; /读模式LCM_EN=0; /置LCM_EN端为低电平LCM_EN=0; /置LCM_EN端为低电平，延时一会儿LCM_EN=1; /置LCM_EN端为高电平，读使能return(DATAPORT; /返回P1口的内容*/ / ReadDataLCM函数结束/*-读状态到MCU子函数-*/uchar ReadStatusLCM(void /函数名为ReadStatusLCM的读状态到M

8、CU子函数 /ReadStatusLCM函数开始DATAPORT=0xFF; /置P1口为全1LCM_RS=0; /选中指令寄存器LCM_RW=1; /读模式LCM_EN=0; /置LCM_EN端为低电平LCM_EN=0; /置LCM_EN端为低电平，延时一会儿LCM_EN=1; /置LCM_EN端为高电平，读使能while(P1&Busy; /*检测忙信号。当P1口内容与Busy（80H）相与后不为零时，程序原地踏步*/return(DATAPORT; /返回P1口的内容 / ReadStatusLCM函数结束/*-LCM初始化子函数-*/void InitLcd( /函数名为Ini

9、tLcd 的LCM初始化子函数 / InitLcd函数开始WriteCommandLCM(0x38,1;/8位数据传送，2行显示，5*7字形，检测忙信号WriteCommandLCM(0x08,1;/关闭显示，检测忙信号WriteCommandLCM(0x01,1;/清屏，检测忙信号WriteCommandLCM(0x06,1;/显示光标右移设置，检测忙信号WriteCommandLCM(0x0c,1;/显示屏打开，光标不显示、不闪烁，检测忙信号 / InitLcd函数结束/*-显示指定座标的一个字符子函数-*/*显示指定座标的一个字符（X=015，Y=01）子函数，函数名为DisplayOn

10、eChar，定义X、Y、DData为无符号字符型变量*/void DisplayOneChar(uchar X,uchar Y,uchar DData / DisplayOneChar 函数开始Y&=1; /Y的变化范围01X&=15; / X的变化范围015if(YX|=0x40; /若Y为1（显示第二行），地址码+0x40X|=0x80; /指令码为地址码+0x80WriteCommandLCM(X,0; /将指令X写入LCM，忽略忙信号检测WriteDataLCM(DData; /再将数据Ddata写入LCM / DisplayOneChar 函数结束/*-显示指定座标的

11、一串字符子函数-*/*显示指定座标的一串字符（X=015，Y=01）子函数，函数名为DisplayListChar ，定义X、Y为无符号字符型变量，DData 为指向code区的无符号字符型指针变量*/void DisplayListChar(uchar X,uchar Y,uchar code *DData / DisplayListChar 函数开始uchar ListLength=0; /定义ListLength 为无符号字符型变量，并赋初值为0Y&=0x1; / Y的变化范围01X&=0xF; / X的变化范围015while(X<=15 /X<=15时进入

12、while语句循环 /while语句开始DisplayOneChar(X,Y,DDataListLength;/显示单个字符ListLength+; /数组指针递增X+; /X轴座标递增 /while语句结束 /DisplayListChar 函数结束/=void init_timer0(void /定时器T0初始化TMOD=0x01;TH0=-(50235/256;TL0=-(50235%256;TR0=1;ET0=1;EA=1;/=void time_zd0(void interrupt 1 using 1 /定时器T0中断子函数TH0=-(50235/256;TL0=-(50235%25

13、6;deda+;cnt+;if(deda>=20sec+;deda=0;if(sec>=60min+;sec=0;if(min>=60hour+;min=0;if(hour>=24hour=0;if(cnt>=6cnt=0;key(; /扫描键盘/=void fun0(void /液晶显示子函数0WriteCommandLCM(0x0c,1;/显示屏打开，光标不显示、不闪烁，检测忙信号DisplayListChar(0,0,str0;DisplayListChar(0,1,str1;/=DisplayOneChar(3,0,hour/10+0x30;Display

14、OneChar(4,0,hour%10+0x30;/=DisplayOneChar(6,0,min/10+0x30;DisplayOneChar(7,0,min%10+0x30;/=DisplayOneChar(9,0,sec/10+0x30;DisplayOneChar(10,0,sec%10+0x30;/=DisplayOneChar(4,1,T/10+0x30;DisplayOneChar(5,1,T%10+0x30;/=DisplayOneChar(11,1,temp1/10+0x30;DisplayOneChar(12,1,temp1%10+0x30;DisplayOneChar(1

15、4,1,temp2+0x30;/=if(ON_OFF=0DisplayOneChar(14,0,0x4f;DisplayOneChar(15,0,0x46;elseDisplayOneChar(14,0,0x4f;DisplayOneChar(15,0,0x4e;if(outflag=1DisplayOneChar(0,0,0x7c;else DisplayOneChar(0,0,0xef;/=/*/void fun1(void /液晶显示子函数1WriteCommandLCM(0x0c,1;/显示屏打开，光标不显示、不闪烁，检测忙信号DisplayListChar(0,0,str0;Disp

16、layListChar(0,1,str1;/=DisplayOneChar(6,0,min/10+0x30;DisplayOneChar(7,0,min%10+0x30;/=DisplayOneChar(9,0,sec/10+0x30;DisplayOneChar(10,0,sec%10+0x30;/=DisplayOneChar(4,1,T/10+0x30;DisplayOneChar(5,1,T%10+0x30;/=DisplayOneChar(11,1,temp1/10+0x30;DisplayOneChar(12,1,temp1%10+0x30;DisplayOneChar(14,1,

17、temp2+0x30;/=WriteCommandLCM(0x0f,1;/显示屏打开，光标显示、闪烁，检测忙信号DisplayOneChar(3,0,hour/10+0x30;DisplayOneChar(4,0,hour%10+0x30;/*/void fun2(void /液晶显示子函数2WriteCommandLCM(0x0c,1;/显示屏打开，光标不显示、不闪烁，检测忙信号DisplayListChar(0,0,str0;DisplayListChar(0,1,str1;/=DisplayOneChar(3,0,hour/10+0x30;DisplayOneChar(4,0,hour%

18、10+0x30;/=DisplayOneChar(9,0,sec/10+0x30;DisplayOneChar(10,0,sec%10+0x30;/=DisplayOneChar(4,1,T/10+0x30;DisplayOneChar(5,1,T%10+0x30;/=DisplayOneChar(11,1,temp1/10+0x30;DisplayOneChar(12,1,temp1%10+0x30;DisplayOneChar(14,1,temp2+0x30;/=WriteCommandLCM(0x0f,1;/显示屏打开，光标显示、闪烁，检测忙信号DisplayOneChar(6,0,mi

19、n/10+0x30;DisplayOneChar(7,0,min%10+0x30;/*/void fun3(void /液晶显示子函数3WriteCommandLCM(0x0c,1;/显示屏打开，光标不显示、不闪烁，检测忙信号DisplayListChar(0,0,str0;DisplayListChar(0,1,str1;/=DisplayOneChar(3,0,hour/10+0x30;DisplayOneChar(4,0,hour%10+0x30;/=DisplayOneChar(6,0,min/10+0x30;DisplayOneChar(7,0,min%10+0x30;/=Displ

20、ayOneChar(9,0,sec/10+0x30;DisplayOneChar(10,0,sec%10+0x30;/=DisplayOneChar(11,1,temp1/10+0x30;DisplayOneChar(12,1,temp1%10+0x30;DisplayOneChar(14,1,temp2+0x30;/=WriteCommandLCM(0x0f,1;/显示屏打开，光标显示、闪烁，检测忙信号DisplayOneChar(4,1,T/10+0x30;DisplayOneChar(5,1,T%10+0x30;/*/void key(void /扫描键盘uchar xx;P2=0xff

21、;if(P2!=0xffdelay(10;if(P2!=0xffxx=P2;switch(xxcase 0xfe:set_adj(;break;case 0xfd:inc_key(;break;case 0xfb:dec_key(;break;case 0xf7:ON_OFF=!ON_OFF;break;default:break;/*/void set_adj(void /设定工作模式子函数if(cnt=5set+;if(set>=4set=0;/*/void inc_key(void /按键加法子函数if(cnt=5switch(setcase 0:if(P2=0xf7ON_OFF=

22、!ON_OFF;break;case 1:hour+;if(hour>=23hour=23;break;case 2:min+;if(min>=59min=59;break;case 3:T+;if(T>=99T=99; break;default:break;/*/void dec_key(void /按键减法子函数if(cnt=5switch(setcase 0:if(P2=0xf7ON_OFF=!ON_OFF;break;case 1:hour-;if(hour<=0hour=0;break;case 2:min-;if(min<=0min=0;break;

23、case 3:T-;if(T<=1T=1;break;default:break;/*/*/void delay15us(void /延时15微秒子函数uchar i;for(i=0;i<4;i+;/*void delay60us(void 延时60微秒子函数uchar i;for(i=0;i<15;i+;/*void write0TS(void /write bit0TSOR=1;TSOR=0;delay15us(;delay15us(;delay15us(;delay15us(;TSOR=1;_nop_(;_nop_(;/*void write1TS(void /writ

24、e bit1TSOR=1;TSOR=0;_nop_(;_nop_(;_nop_(;_nop_(;_nop_(;_nop_(;_nop_(;TSOR=1;_nop_(;_nop_(;_nop_(;_nop_(;_nop_(;_nop_(;_nop_(;delay15us(;delay15us(;delay15us(;/*bit readTS(void /read databitbit b;TSOR=1;TSOR=0;_nop_(;_nop_(;_nop_(;_nop_(;TSOR=1;_nop_(;_nop_(;_nop_(;_nop_(;_nop_(;b=TSOR;delay15us(;del

25、ay15us(;delay15us(;_nop_(;_nop_(;return b;/*void resetTS(void /reset databituchar i;TSOR=1;TSOR=0;for(i=0;i<8;i+delay60us(;TSOR=1;while(TSOR;for(i=0;i<8;i+delay60us(;/*void writeBTS(uchar byte /write one byteuchar i;for(i=0;i<8;i+if(byte&0x01write1TS(;elsewrite0TS(;byte=byte>>1;/*uchar readBTS(void /read one byteuchar i,j;bit b;j=0;for(i=0;i<8;i+b=readTS