液晶顯示電冰箱溫度控制器

1、液晶顯示電冰箱溫控器源程序#include / 器件配置文件#include sbit LCM_RS=P33; /引腳定義sbit LCM_RW=P34; /引腳定義sbit LCM_EN=P35; /引腳定義sbit OUT=P36; /控制繼電器sbit TSOR=P37; /溫度測試端#define Busy 0x80 /常量定義#define uchar unsigned char#define uint unsigned int#define DATAPORT P1 #define reset( WDT=0x1e;WDT=0xe1;/看門狗啟動/復位宏定義sfr WDT=0xa6;/

2、看門狗寄存器定義bit ON_OFF;bit outflag;/=uchar temp1,temp2;uchar cnt;uchar deda,sec; /時間變量char min,hour;char set,T;uchar data buff10;uchar ReadStatusLCM(void;/讀數據到MCU子函數聲明uchar code str0="- : : - "/待顯字符串uchar code str1="SET: C SA: . C"uchar code str2=" "/待顯空字符串/=函數聲明=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;/*延時K*1mS，12.000MHz*void delay(uint k/函數名為delay的延時子函數。定義k為無符號整型變量 /delay函數開始uint i,j; /定義i、j為無符號整型變量for(i=0;i /for循環(huán)語句開始for(j=0;j<60;j+ / for循環(huán)語句開始;reset( /兩個for循環(huán)體 /delay函數結束/*-寫指令到LCM子函數-*/void WriteCommandLCM(uchar WCLCM, uchar BusyC /*函數名為WriteCommandLCM 的寫指令到LCM子函數。定義WCLCM、BusyC 為

5、無符號字符型變量*/ /WriteCommandLCM函數開始if(BusyCReadStatusLCM(; /*若BusyC為"1"，則調用ReadStatusLCM子函數進行忙檢測*/DATAPORT=WCLCM; /將變量WCLCM中的指令傳送至P1口LCM_RS=0; /選中指令寄存器LCM_RW=0; /寫模式LCM_EN=0; /置LCM_EN端為低電平LCM_EN=0; /置LCM_EN端為低電平，延時一會兒LCM_EN=1; /置LCM_EN端為高電平，寫入使能 / WriteCommandLCM函數結束/*-寫數據到LCM子函數-*/void WriteD

6、ataLCM(uchar WDLCM /*函數名為WriteDataLCM 的寫數據到LCM子函數。定義WDLCM 為無符號字符型變量*/ / WriteDataLCM函數開始ReadStatusLCM(; /調用ReadStatusLCM子函數檢測忙信號DATAPORT=WDLCM; /將變量WDLCM中數據傳送至P1口LCM_RS=1; /選中數據寄存器LCM_RW=0; /寫模式LCM_EN=0; /置LCM_EN端為低電平LCM_EN=0; /置LCM_EN端為低電平，延時一會兒LCM_EN=1; /置LCM_EN端為高電平，寫入使能 / WriteDataLCM函數結束/*-讀數據到

7、MCU子函數-*/*uchar ReadDataLCM(void /函數名為ReadDataLCM的讀數據到MCU子函數 / ReadDataLCM函數開始LCM_RS=1; /選中數據寄存器LCM_RW=1; /讀模式LCM_EN=0; /置LCM_EN端為低電平LCM_EN=0; /置LCM_EN端為低電平，延時一會兒LCM_EN=1; /置LCM_EN端為高電平，讀使能return(DATAPORT; /返回P1口的內容*/ / ReadDataLCM函數結束/*-讀狀態(tài)到MCU子函數-*/uchar ReadStatusLCM(void /函數名為ReadStatusLCM的讀狀態(tài)到M

8、CU子函數 /ReadStatusLCM函數開始DATAPORT=0xFF; /置P1口為全1LCM_RS=0; /選中指令寄存器LCM_RW=1; /讀模式LCM_EN=0; /置LCM_EN端為低電平LCM_EN=0; /置LCM_EN端為低電平，延時一會兒LCM_EN=1; /置LCM_EN端為高電平，讀使能while(P1&Busy; /*檢測忙信號。當P1口內容與Busy（80H）相與后不為零時，程序原地踏步*/return(DATAPORT; /返回P1口的內容 / ReadStatusLCM函數結束/*-LCM初始化子函數-*/void InitLcd( /函數名為Ini

9、tLcd 的LCM初始化子函數 / InitLcd函數開始WriteCommandLCM(0x38,1;/8位數據傳送，2行顯示，5*7字形，檢測忙信號WriteCommandLCM(0x08,1;/關閉顯示，檢測忙信號WriteCommandLCM(0x01,1;/清屏，檢測忙信號WriteCommandLCM(0x06,1;/顯示光標右移設置，檢測忙信號WriteCommandLCM(0x0c,1;/顯示屏打開，光標不顯示、不閃爍，檢測忙信號 / InitLcd函數結束/*-顯示指定座標的一個字符子函數-*/*顯示指定座標的一個字符（X=015，Y=01）子函數，函數名為DisplayOn

10、eChar，定義X、Y、DData為無符號字符型變量*/void DisplayOneChar(uchar X,uchar Y,uchar DData / DisplayOneChar 函數開始Y&=1; /Y的變化范圍01X&=15; / X的變化范圍015if(YX|=0x40; /若Y為1（顯示第二行），地址碼+0x40X|=0x80; /指令碼為地址碼+0x80WriteCommandLCM(X,0; /將指令X寫入LCM，忽略忙信號檢測WriteDataLCM(DData; /再將數據Ddata寫入LCM / DisplayOneChar 函數結束/*-顯示指定座標的

11、一串字符子函數-*/*顯示指定座標的一串字符（X=015，Y=01）子函數，函數名為DisplayListChar ，定義X、Y為無符號字符型變量，DData 為指向code區(qū)的無符號字符型指針變量*/void DisplayListChar(uchar X,uchar Y,uchar code *DData / DisplayListChar 函數開始uchar ListLength=0; /定義ListLength 為無符號字符型變量，并賦初值為0Y&=0x1; / Y的變化范圍01X&=0xF; / X的變化范圍015while(X<=15 /X<=15時進入

12、while語句循環(huán) /while語句開始DisplayOneChar(X,Y,DDataListLength;/顯示單個字符ListLength+; /數組指針遞增X+; /X軸座標遞增 /while語句結束 /DisplayListChar 函數結束/=void init_timer0(void /定時器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 /定時器T0中斷子函數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(; /掃描鍵盤/=void fun0(void /液晶顯示子函數0WriteCommandLCM(0x0c,1;/顯示屏打開，光標不顯示、不閃爍，檢測忙信號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 /液晶顯示子函數1WriteCommandLCM(0x0c,1;/顯示屏打開，光標不顯示、不閃爍，檢測忙信號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;/顯示屏打開，光標顯示、閃爍，檢測忙信號DisplayOneChar(3,0,hour/10+0x30;DisplayOneChar(4,0,hour%10+0x30;/*/void fun2(void /液晶顯示子函數2WriteCommandLCM(0x0c,1;/顯示屏打開，光標不顯示、不閃爍，檢測忙信號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;/顯示屏打開，光標顯示、閃爍，檢測忙信號DisplayOneChar(6,0,mi

19、n/10+0x30;DisplayOneChar(7,0,min%10+0x30;/*/void fun3(void /液晶顯示子函數3WriteCommandLCM(0x0c,1;/顯示屏打開，光標不顯示、不閃爍，檢測忙信號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;/顯示屏打開，光標顯示、閃爍，檢測忙信號DisplayOneChar(4,1,T/10+0x30;DisplayOneChar(5,1,T%10+0x30;/*/void key(void /掃描鍵盤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 /設定工作模式子函數if(cnt=5set+;if(set>=4set=0;/*/void inc_key(void /按鍵加法子函數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 /按鍵減法子函數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 /延時15微秒子函數uchar i;for(i=0;i<4;i+;/*void delay60us(void 延時60微秒子函數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