標(biāo)題:
基于51單片機(jī)系列89C52單片機(jī)的設(shè)計(jì)
[打印本頁(yè)]
作者:
wq1260429171
時(shí)間:
2015-1-17 11:05
標(biāo)題:
基于51單片機(jī)系列89C52單片機(jī)的設(shè)計(jì)
//************1602液晶顯示程序************
#include<reg52.h>
#include <intrins.h>
#define uchar unsigned char
#define uint unsigned int
uchara,miao,shi,fen,ri,yue,nian,week,flag1,key1n,temp;
#define yh 0x80
#define er 0x80+0x40
//DS1302時(shí)鐘芯片與C51之間的引腳連接定義
sbit IO=P1^1;
sbit SCLK=P1^0;
sbit RST=P1^2;
sbit ACC0=ACC^0;
sbit ACC7=ACC^7;
//校時(shí)按鍵與C51的引腳連接定義
sbit key1=P1^5; //設(shè)置鍵
sbit key2=P1^6; //加鍵
sbit key3=P1^7; //減鍵
//sbit buzzer=P1^3; //蜂鳴器,通過(guò)三極管9012驅(qū)動(dòng),端口低電平響
typedef unsigned char BYTE;
typedef unsigned int WORD;
typedef bit BOOL ;
extern GetTemp(void);
extern unsigned int idata Temperature;
extern Init18b20 ();
//unsigned char a,b,c;
sbit lcden=P2^7; //液晶使能位
sbit lcdrw=P2^5; //液晶讀寫(xiě)位
sbit lcdrs=P2^6; //數(shù)據(jù)命令選擇位
uchar code tab1[]={"2011-07-12 "}; //年顯示的固定字符
uchar code tab2[]={"19:50:00"}; //時(shí)間顯示的固定字符
void w_cmd(uint date);
void w_data(uint date);
/************定時(shí)器1子函數(shù)***********/
void system_Ini()
{
TMOD|= 0x11;
TH1=0x8e; //11.0592M
TL1=0x33;
IE= 0x8A;
TR1 = 1;
}
/************延時(shí)子函數(shù)***********/
void delay(uchar x)
{
uchar y,z;
for(y=x;y>0;y--)
for(z=110;z>0;z--);
}
/*************** 液晶初始化和寫(xiě)命令及數(shù)據(jù)命令********************/
void lcd_init()
{
lcden=0; //初始使能端
lcdrw=0; // 寫(xiě)數(shù)據(jù)選擇
w_cmd(0x38); //設(shè)置液晶工作模式,意思:16*2行顯示,5*7點(diǎn)陣,8位數(shù)據(jù)
w_cmd(0x01); //清顯示
w_cmd(0x0c); //開(kāi)顯示不顯示光標(biāo)
w_cmd(0x06); //整屏不移動(dòng),光標(biāo)自動(dòng)右移
w_cmd(yh+1); //日歷顯示固定符號(hào)從第一行第1個(gè)位置之后開(kāi)始顯示
for(a=0;a<14;a++)
{
w_data(tab1[a]); //向液晶屏寫(xiě)日歷顯示的固定符號(hào)部分
delay(3);
}
w_cmd(er+2); //時(shí)間顯示固定符號(hào)寫(xiě)入位置,從第2個(gè)位置后開(kāi)始顯示
for(a=0;a<8;a++)
{
w_data(tab2[a]); //寫(xiě)顯示時(shí)間固定符號(hào),兩個(gè)冒號(hào)
delay(3);
}
}
void w_cmd(uint date) //“寫(xiě)”命令子程序
{
lcdrs=0;
P0=date;
delay(5);
lcden=1;
delay(5);
lcden=0;
}
void w_data(uint date) //”寫(xiě)“數(shù)據(jù)子程序
{
lcdrs=1;
P0=date;
delay(3);
lcden=1;
delay(5);
lcden=0;
}
/***************DS1302有關(guān)子函數(shù)********************/
void write_byte(uchar dat)//寫(xiě)一個(gè)字節(jié)
{
ACC=dat;
RST=1;
for(a=8;a>0;a--)
{
IO=ACC0;
SCLK=0;
SCLK=1;
ACC=ACC>>1;
}
}
uchar read_byte() //讀一個(gè)字節(jié)
{
RST=1;
for(a=8;a>0;a--)
{
ACC7=IO;
SCLK=1;
SCLK=0;
ACC=ACC>>1;
}
return(ACC);
}
//----------------------------------------
void write_1302(uchar add,uchar dat) //向1302芯片寫(xiě)函數(shù),指定寫(xiě)入地址,數(shù)據(jù)
{
RST=0;
SCLK=0;
RST=1;
write_byte(add);
write_byte(dat);
SCLK=1;
RST=0;
}
uchar read_1302(uchar add) //從1302讀數(shù)據(jù)函數(shù),指定讀取數(shù)據(jù)來(lái)源地址
{
uchartemp;
RST=0;
SCLK=0;
RST=1;
write_byte(add);
temp=read_byte();
SCLK=1;
RST=0;
return(temp);
}
uchar BCD_Decimal(uchar bcd) //BCD碼轉(zhuǎn)十進(jìn)制函數(shù),輸入BCD,返回十進(jìn)制
{
uchar Decimal;
Decimal=bcd>>4;
return(Decimal=Decimal*10+(bcd&=0x0F));
}
//--------------------------------------
void ds1302_init() //1302芯片初始化子函數(shù)(2010-01-07,12:00:00,week4)
{
RST=0;
SCLK=0;
write_1302(0x8e,0x00); //允許寫(xiě),禁止寫(xiě)保護(hù)
write_1302(0x80,0x00); //向DS1302內(nèi)寫(xiě)秒寄存器80H寫(xiě)入初始秒數(shù)據(jù)00
write_1302(0x82,0x53); //向DS1302內(nèi)寫(xiě)分寄存器82H寫(xiě)入初始分?jǐn)?shù)據(jù)00
write_1302(0x84,0x19); //向DS1302內(nèi)寫(xiě)小時(shí)寄存器84H寫(xiě)入初始小時(shí)數(shù)據(jù)12
write_1302(0x8a,0x02); //向DS1302內(nèi)寫(xiě)周寄存器8aH寫(xiě)入初始周數(shù)據(jù)4
write_1302(0x86,0x12); //向DS1302內(nèi)寫(xiě)日期寄存器86H寫(xiě)入初始日期數(shù)據(jù)07
write_1302(0x88,0x07); //向DS1302內(nèi)寫(xiě)月份寄存器88H寫(xiě)入初始月份數(shù)據(jù)01
write_1302(0x8c,0x11); //向DS1302內(nèi)寫(xiě)年份寄存器8cH寫(xiě)入初始年份數(shù)據(jù)10
write_1302(0x8e,0x80); //打開(kāi)寫(xiě)保護(hù)
}
/********溫度顯示子函數(shù)*********/
void write_temp(uchar add,uchar dat) //向LCD寫(xiě)溫度數(shù)據(jù),并指定顯示位置
{
uchargw,sw;
gw=dat%10; //取得個(gè)位數(shù)字
sw=dat/10; //取得十位數(shù)字
w_cmd(er+add); //er是頭文件規(guī)定的值0x80+0x40
w_data(0x30+sw); //數(shù)字+30得到該數(shù)字的LCD1602顯示碼
w_data(0x30+gw); //數(shù)字+30得到該數(shù)字的LCD1602顯示碼
w_data(0xdf); //顯示溫度的小圓圈符號(hào),0xdf是液晶屏字符庫(kù)的該符號(hào)地址碼
w_data(0x43); //顯示"C"符號(hào),0x43是液晶屏字符庫(kù)里大寫(xiě)C的地址碼
}
/******** 時(shí)間顯示子函數(shù)*********/
void write_sfm(uchar add,uchar dat) //向LCD寫(xiě)時(shí)分秒,有顯示位置加、現(xiàn)示數(shù)據(jù),兩個(gè)參數(shù)
{
uchargw,sw;
gw=dat%10; //取得個(gè)位數(shù)字
sw=dat/10; //取得十位數(shù)字
w_cmd(er+add); //er是頭文件規(guī)定的值0x80+0x40
w_data(0x30+sw); //數(shù)字+30得到該數(shù)字的LCD1602顯示碼
w_data(0x30+gw); //數(shù)字+30得到該數(shù)字的LCD1602顯示碼
}
/********年、月、日顯示子函數(shù)*********/
void write_nyr(uchar add,uchar dat) //向LCD寫(xiě)年月日,有顯示位置加數(shù)、顯示數(shù)據(jù),兩個(gè)參數(shù)
{
uchargw,sw;
gw=dat%10; //取得個(gè)位數(shù)字
sw=dat/10; //取得十位數(shù)字
w_cmd(yh+add); //設(shè)定顯示位置為第一個(gè)位置+add
w_data(0x30+sw); //數(shù)字+30得到該數(shù)字的LCD1602顯示碼
w_data(0x30+gw); //數(shù)字+30得到該數(shù)字的LCD1602顯示碼
}
/*******寫(xiě)星期子函數(shù)*********/
void write_week(uchar week) //寫(xiě)星期函數(shù)
{
w_cmd(yh+0x0c); //星期字符的顯示位置
switch(week)
{
case 1:w_data('M'); //星期數(shù)為1時(shí),顯示
w_data('O');
w_data('N');
break;
case 2:w_data('T'); //星期數(shù)據(jù)為2時(shí)顯示
w_data('U');
w_data('E');
break;
case 3:w_data('W'); //星期數(shù)據(jù)為3時(shí)顯示
w_data('E');
w_data('D');
break;
case 4:w_data('T'); //星期數(shù)據(jù)為4是顯示
w_data('H');
w_data('U');
break;
case 5:w_data('F'); //星期數(shù)據(jù)為5時(shí)顯示
w_data('R');
w_data('I');
break;
case 6:w_data('S'); //星期數(shù)據(jù)為6時(shí)顯示
w_data('T');
w_data('A');
break;
case 7:w_data('S'); //星期數(shù)據(jù)為7時(shí)顯示
w_data('U');
w_data('N');
break;
}
}
/*******鍵盤掃描有關(guān)函數(shù)*********/
void keyscan()
{
if(key1==0) //key1為功能鍵(設(shè)置鍵)
{
delay(9); //延時(shí),用于消抖動(dòng)
if(key1==0) //延時(shí)后再次確認(rèn)按鍵按下
{
// buzzer=0; //蜂鳴器短響一次
// delay(20);
// buzzer=1;
while(!key1);
key1n++;
if(key1n==9)
key1n=1; //設(shè)置按鍵共有秒、分、時(shí)、星期、日、月、年、返回,8個(gè)功能循環(huán)
switch(key1n)
{
case1: TR0=0; //關(guān)閉定時(shí)器
//TR1=0;
w_cmd(er+0x09); //設(shè)置按鍵按動(dòng)一次,秒位置顯示光標(biāo)
w_cmd(0x0f); //設(shè)置光標(biāo)為閃爍
temp=(miao)/10*16+(miao)%10; //秒數(shù)據(jù)寫(xiě)入DS1302
write_1302(0x8e,0x00);
write_1302(0x80,0x80|temp);//miao
write_1302(0x8e,0x80);
break;
case2: w_cmd(er+6); //按2次fen位置顯示光標(biāo)
//write_1602com(0x0f);
break;
case3: w_cmd(er+3); //按動(dòng)3次,shi
//write_1602com(0x0f);
break;
case4: w_cmd(yh+0x0e); //按動(dòng)4次,week
//write_1602com(0x0f);
break;
case5: w_cmd(yh+0x0a); //按動(dòng)5次,ri
//write_1602com(0x0f);
break;
case6: w_cmd(yh+0x07); //按動(dòng)6次,yue
//write_1602com(0x0f);
break;
case7: w_cmd(yh+0x04); //按動(dòng)7次,nian
//write_1602com(0x0f);
break;
case8:
w_cmd(0x0c); //按動(dòng)到第8次,設(shè)置光標(biāo)不閃爍
TR0=1;//打開(kāi)定時(shí)器
temp=(miao)/10*16+(miao)%10;
write_1302(0x8e,0x00);
write_1302(0x80,0x00|temp);//miao數(shù)據(jù)寫(xiě)入DS1302
write_1302(0x8e,0x80);
break;
}
}
}
//------------------------------加鍵key2----------------------------
if(key1n!=0) //當(dāng)key1按下以下。再按以下鍵才有效(按鍵次數(shù)不等于零)
{
if(key2==0) //上調(diào)鍵
{
delay(10);
if(key2==0)
{
// buzzer=0; //蜂鳴器短響一次
// delay(20);
// buzzer=1;
while(!key2);
switch(key1n)
{
case1:miao++; //設(shè)置鍵按動(dòng)1次,調(diào)秒
if(miao==60)
miao=0;
write_sfm(0x08,miao);
temp=(miao)/10*16+(miao)%10;
write_1302(0x8e,0x00);
write_1302(0x80,temp);
write_1302(0x8e,0x80);
w_cmd(er+0x09);
//write_1602com(0x0b);
break;
case2:fen++;
if(fen==60)
fen=0;
write_sfm(0x05,fen);
temp=(fen)/10*16+(fen)%10;
write_1302(0x8e,0x00);
write_1302(0x82,temp);
write_1302(0x8e,0x80);
w_cmd(er+6);
break;
case3:shi++;
if(shi==24)
shi=0;
write_sfm(2,shi);
temp=(shi)/10*16+(shi)%10;
write_1302(0x8e,0x00);
write_1302(0x84,temp);
write_1302(0x8e,0x80);
w_cmd(er+3);
break;
case4:week++;
if(week==8)
week=1;
w_cmd(yh+0x0C) ;
write_week(week);
temp=(week)/10*16+(week)%10;
write_1302(0x8e,0x00);
write_1302(0x8a,temp);
write_1302(0x8e,0x80);
w_cmd(yh+0x0e);
break;
case5:ri++;
if(ri==32)
ri=1;
write_nyr(9,ri);
temp=(ri)/10*16+(ri)%10;
write_1302(0x8e,0x00);
write_1302(0x86,temp);
write_1302(0x8e,0x80);
w_cmd(yh+10);
break;
case6:yue++;
if(yue==13)
yue=1;
write_nyr(6,yue);
temp=(yue)/10*16+(yue)%10;
write_1302(0x8e,0x00);
write_1302(0x88,temp);
write_1302(0x8e,0x80);
w_cmd(yh+7);
break;
case7:nian++;
if(nian==100)
nian=0;
write_nyr(3,nian);
temp=(nian)/10*16+(nian)%10;
write_1302(0x8e,0x00);
write_1302(0x8c,temp);
write_1302(0x8e,0x80);
w_cmd(yh+4);
break;
}
}
}
//------------------減鍵key3,各句功能參照'加鍵'注釋---------------
if(key3==0)
{
delay(10); //調(diào)延時(shí),消抖動(dòng)
if(key3==0)
{
// buzzer=0; //蜂鳴器短響一次
// delay(20);
// buzzer=1;
while(!key3);
switch(key1n)
{
case 1:miao--;
if(miao==-1)
miao=59;
write_sfm(0x08,miao);
temp=(miao)/10*16+(miao)%10;
write_1302(0x8e,0x00);
write_1302(0x80,temp);
write_1302(0x8e,0x80);
w_cmd(er+0x09);
//write_1602com(0x0b);
break;
case 2:fen--;
if(fen==-1)
fen=59;
write_sfm(5,fen);
temp=(fen)/10*16+(fen)%10;
write_1302(0x8e,0x00);
write_1302(0x82,temp);
write_1302(0x8e,0x80);
w_cmd(er+6);
break;
case 3:shi--;
if(shi==-1)
shi=23;
write_sfm(2,shi);
temp=(shi)/10*16+(shi)%10;
write_1302(0x8e,0x00);
write_1302(0x84,temp);
write_1302(0x8e,0x80);
w_cmd(er+3);
break;
case 4:week--;
if(week==0)
week=7;
w_cmd(yh+0x0C);
write_week(week);
temp=(week)/10*16+(week)%10;
write_1302(0x8e,0x00);
write_1302(0x8a,temp);
write_1302(0x8e,0x80);
w_cmd(yh+0x0e);
break;
case 5:ri--;
if(ri==0)
ri=31;
write_nyr(9,ri);
temp=(ri)/10*16+(ri)%10;//十進(jìn)制轉(zhuǎn)換成DS1302要求的DCB碼
write_1302(0x8e,0x00);//允許寫(xiě),禁止寫(xiě)保護(hù)
write_1302(0x86,temp);//向DS1302內(nèi)寫(xiě)日期寄存器86H寫(xiě)入調(diào)整后的日期數(shù)據(jù)BCD碼
write_1302(0x8e,0x80);//打開(kāi)寫(xiě)保護(hù)
w_cmd(yh+10);//因?yàn)樵O(shè)置液晶的模式是寫(xiě)入數(shù)據(jù)后,指針自動(dòng)加一,所以需要光標(biāo)回位
break;
case 6:yue--;
if(yue==0)
yue=12;
write_nyr(6,yue);
temp=(yue)/10*16+(yue)%10;//十進(jìn)制轉(zhuǎn)換成DS1302要求的DCB碼
write_1302(0x8e,0x00);//允許寫(xiě),禁止寫(xiě)保護(hù)
write_1302(0x88,temp);//向DS1302內(nèi)寫(xiě)月份寄存器88H寫(xiě)入調(diào)整后的月份數(shù)據(jù)BCD碼
write_1302(0x8e,0x80);//打開(kāi)寫(xiě)保護(hù)
w_cmd(yh+7);//因?yàn)樵O(shè)置液晶的模式是寫(xiě)入數(shù)據(jù)后,指針自動(dòng)加一,所以需要光標(biāo)回位
break;
case 7:nian--;
if(nian==-1)
nian=99;
write_nyr(3,nian);
temp=(nian)/10*16+(nian)%10;//十進(jìn)制轉(zhuǎn)換成DS1302要求的DCB碼
write_1302(0x8e,0x00);//允許寫(xiě),禁止寫(xiě)保護(hù)
write_1302(0x8c,temp);//向DS1302內(nèi)寫(xiě)年份寄存器8cH寫(xiě)入調(diào)整后的年份數(shù)據(jù)BCD碼
write_1302(0x8e,0x80);//打開(kāi)寫(xiě)保護(hù)
w_cmd(yh+4);//因?yàn)樵O(shè)置液晶的模式是寫(xiě)入數(shù)據(jù)后,指針自動(dòng)加一,所以需要光標(biāo)回位
break;
}
}
}
}
}
/***************"TO中斷"初始********************/
void intrupt() //"TO中斷"初始
{
TMOD=0x01; //選擇16位定時(shí)器0x01
EA=1; //開(kāi)總中斷
ET0=1; //開(kāi)“T0”中斷允許位
TH0=(65536-50000)/256;
TL0=(65536-50000)%256; //定時(shí)器裝初值
TR0=1;
}
/*void init() //定時(shí)器、計(jì)數(shù)器設(shè)置函數(shù)
{
TMOD=0x11; //指定定時(shí)/計(jì)數(shù)器的工作方式為3
TH0=0; //定時(shí)器T0的高四位=0
TL0=0; //定時(shí)器T0的低四位=0
EA=1; //系統(tǒng)允許有開(kāi)放的中斷
ET0=1; //允許T0中斷
TR0=1; //開(kāi)啟中斷,啟動(dòng)定時(shí)器
}*/
/***************主函數(shù)********************/
void main()
{
lcd_init(); //調(diào)用液晶屏初始化子函數(shù)
ds1302_init(); //調(diào)用DS1302時(shí)鐘的初始化子函數(shù)
intrupt();
// system_Ini();
// led=0; //打開(kāi)LCD的背光電源
// buzzer=0; //蜂鳴器長(zhǎng)響一次
// delay(80);
// buzzer=1;
while(1) //無(wú)限循環(huán)下面的語(yǔ)句:
{
keyscan(); //調(diào)用鍵盤掃描子函數(shù)
}
}
void timer0() interrupt 1 //取得并顯示日歷和時(shí)間
{
Init18b20();
system_Ini();
GetTemp(); //溫度傳感器DS18b2初始化子函數(shù),在頭文件中
flag1=Temperature;
// flag=ReadTemperature(); //將18b2頭文件運(yùn)行返回的函數(shù)結(jié)果送到變量flag中,用于顯示
//讀取秒時(shí)分周日月年七個(gè)數(shù)據(jù)(DS1302的讀寄存器與寫(xiě)寄存器不一樣):
miao = BCD_Decimal(read_1302(0x81));
fen= BCD_Decimal(read_1302(0x83));
shi = BCD_Decimal(read_1302(0x85));
ri = BCD_Decimal(read_1302(0x87));
yue= BCD_Decimal(read_1302(0x89));
nian=BCD_Decimal(read_1302(0x8d));
week=BCD_Decimal(read_1302(0x8b));
//顯示溫度、秒、時(shí)、分?jǐn)?shù)據(jù):
write_temp(12,flag1);//顯示溫度,從第二行第12個(gè)字符后開(kāi)始顯示
write_sfm(8,miao);//秒,從第二行第8個(gè)字后開(kāi)始顯示(調(diào)用時(shí)分秒顯示子函數(shù))
write_sfm(5,fen);//分,從第二行第5個(gè)字符后開(kāi)始顯示
write_sfm(2,shi);//小時(shí),從第二行第2個(gè)字符后開(kāi)始顯示
//顯示日、月、年數(shù)據(jù):
write_nyr(9,ri);//日期,從第二行第9個(gè)字符后開(kāi)始顯示
write_nyr(6,yue);//月份,從第二行第6個(gè)字符后開(kāi)始顯示
write_nyr(3,nian);//年,從第二行第3個(gè)字符后開(kāi)始顯示
write_week(week);
}
復(fù)制代碼
作者:
admin
時(shí)間:
2015-1-17 13:20
謝謝分享,這是一個(gè)用1602號(hào)液晶屏顯示的,1302時(shí)鐘程序吧
作者:
wq1260429171
時(shí)間:
2015-1-17 18:43
admin 發(fā)表于 2015-1-17 13:20
謝謝分享,這是一個(gè)用1602號(hào)液晶屏顯示的,1302時(shí)鐘程序吧
似的
歡迎光臨 (http://www.torrancerestoration.com/bbs/)
Powered by Discuz! X3.1