51单片机LED1616点阵滚动显示C程序.doc

51单片机LED16*16点阵滚动显示C程序发布时间:2009-11-23 21:07信息来源:实践教学网 发布者:admin 点击: 次 51单片机LED16*16点阵滚动显示C程序（附有电路图）。/*功能：LED16*16点阵滚动显示说明：74LS164用作发送数据，P0,P2口用来列选看本程序最好的工具最好旁边有标号和语法着色，推荐keil或UltraEdit懒人提示：要改成自己所要的显示内容，要怎么改？1.要改显示内容改第2392行代码，还有第119行代码，具体改法见下面注释2.要改滚动速度改第102行代码*/*头文件*/#include#include/*宏定义*/#define uchar unsigned char#define uint unsigned int/*函数声明*/void delay();/*全局变量*/uint lie; /列选标志/* 字模:反显，纵向取模，开头和结尾均加入32个0xFF，用于改善屏滚动显示时循环的连贯性 */* 杭州市公交公司K316路,开往武林广场,发车时间20:30,欢迎大家乘坐！ - * 宋体, 12 */* 当前所选字体下一个汉字对应的点阵为: 宽度x高度=496x16, 调整后为: 496x16 */uchar code text1056= /这里的数据为你要显示的内容的数据量+64（前后各32个0xff)0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,/改显示内容以上两行别改0xEF,0xDF,0xEF,0x3F,0xE8,0xFF,0x00,0x00,0xED,0xFF,0xFE,0xFD,0xEF,0xF3,0xEC,0x0F,0x6D,0xFF,0x8D,0xFF,0xED,0xFF,0xEC,0x03,0xEF,0xFD,0xEF,0xFD,0xEF,0xE1,0xFF,0xFF,0xFF,0x7F,0xF8,0xFE,0xFF,0xF9,0xFF,0xE7,0x00,0x1F,0xFB,0xFF,0xFC,0xFF,0xFF,0xFF,0x80,0x01,0xF7,0xFF,0xF9,0xFF,0xFE,0x7F,0xFF,0xFF,0x00,0x00,0xFF,0xFF,0xFF,0xFF,0xDF,0xFF,0xDF,0xFF,0xDF,0xFF,0xD8,0x03,0xDB,0xFF,0xDB,0xFF,0x5B,0xFF,0x80,0x00,0xDB,0xFF,0xDB,0xFF,0xDB,0xF7,0xDB,0xFB,0xD8,0x07,0xDF,0xFF,0xDF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x7F,0xFE,0xFB,0xFD,0xF1,0xF3,0xEB,0x8F,0xDB,0xDE,0x3B,0xFF,0x73,0xFF,0xF7,0x8F,0xF7,0xF7,0xD7,0xF9,0xE1,0xFC,0xF3,0xFE,0x7F,0xFE,0xFF,0xFF,0xFF,0xFF,0xFF,0xEF,0xFE,0xEE,0xFE,0xED,0xFD,0xE3,0x7D,0xEB,0xBB,0x6F,0xD7,0x8F,0xE7,0xCF,0xCF,0xEF,0x97,0xE6,0x3B,0xEB,0x79,0xE9,0xFC,0xED,0xFD,0xEF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x7F,0xFE,0xFB,0xFD,0xF1,0xF3,0xEB,0x8F,0xDB,0xDE,0x3B,0xFF,0x73,0xFF,0xF7,0x8F,0xF7,0xF7,0xD7,0xF9,0xE1,0xFC,0xF3,0xFE,0x7F,0xFE,0xFF,0xFF,0xFF,0xFF,0xFF,0xF7,0xFF,0xB6,0x07,0xB6,0xDF,0xB6,0xDF,0xB6,0xDF,0xB6,0xDF,0xB6,0xDF,0xB6,0xDF,0xB6,0x0F,0xB7,0xFF,0xBF,0xFB,0xBF,0xFD,0x80,0x03,0xFF,0xFF,0xFF,0xFF,0xEF,0xFB,0xE0,0x03,0xEE,0xFB,0xFC,0x7F,0xEB,0x9B,0xE7,0xE3,0xEF,0xFB,0xFF,0xFF,0xFF,0xFF,0xF3,0xE7,0xEF,0xFB,0xEE,0xFB,0xEE,0xFB,0xED,0x77,0xF3,0x8F,0xFF,0xFF,0xFF,0xFF,0xF7,0xFB,0xF7,0xFB,0xE0,0x03,0xFF,0xFB,0xFF,0xFB,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xF8,0x0F,0xF7,0x77,0xEE,0xFB,0xEE,0xFB,0xE7,0x77,0xFF,0x8F,0xFF,0xFF,0xFF,0xFB,0x81,0x03,0xBB,0xFB,0xB8,0x07,0x83,0x77,0xFB,0x77,0xF7,0xBF,0xEF,0x01,0x0F,0x3B,0xD2,0xBB,0xDD,0xBB,0xDA,0xBB,0xC6,0x81,0xDF,0x3F,0xFF,0x7F,0xFF,0xFF,0xFF,0xFE,0xFF,0xF2,0xFF,0xF1,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFD,0xFF,0xBD,0xFD,0xBD,0xFB,0xBD,0xF7,0xBD,0xCF,0x80,0x3F,0xBD,0xFF,0xBD,0xFF,0xBD,0xFF,0xBD,0xFF,0x80,0x01,0xBD,0xFF,0xBD,0xFF,0xBD,0xFF,0xBD,0xFF,0xFF,0xFF,0xFB,0xBF,0xF7,0x7F,0xEE,0xFF,0x10,0x00,0xBB,0xFF,0xEF,0xFD,0xEF,0x7D,0xEF,0x7D,0x6F,0x7D,0x80,0x01,0xAF,0x7D,0xEF,0x7D,0xEF,0x7D,0xEF,0x7D,0xEF,0xFD,0xFF,0xFF,0xF7,0xFD,0xF7,0xFD,0xD7,0x01,0xD7,0xFB,0xD7,0xFB,0xD4,0x07,0xD7,0x77,0xD7,0x77,0xF7,0x7F,0x01,0xFF,0xF6,0x1F,0xB7,0xE7,0xD7,0xFB,0xF7,0xFD,0xF7,0xF0,0xFF,0xFF,0xF7,0xEF,0xF7,0x9F,0xF6,0x7F,0x00,0x00,0xF6,0xFF,0xF7,0x37,0xFF,0xEF,0xF7,0xDF,0xF7,0x3F,0xF4,0xFF,0x00,0x00,0xF6,0x7F,0xF7,0x9F,0xF7,0xE7,0xF7,0xEF,0xFF,0xFF,0xFF,0xFD,0xFF,0xF3,0xC0,0x0F,0xDF,0xFF,0xDF,0xFF,0xDF,0xFF,0xDF,0xFF,0x5F,0xFF,0x9F,0xFF,0xDF,0xFF,0xDF,0xFF,0xDF,0xFF,0xDF,0xFF,0xDF,0xFF,0xDF,0xFF,0xFF,0xFF,0xF7,0xEF,0xF7,0xE7,0xF7,0xEF,0x00,0x1F,0xF7,0xDF,0xF7,0xBF,0xBF,0xAD,0xBD,0xDB,0xB9,0xB7,0xB4,0x6F,0xAD,0x9F,0x9C,0x7D,0xBD,0xFE,0xF8,0x01,0xFD,0xFF,0xFF,0xFF,0xFF,0xFE,0xFF,0xF2,0xFF,0xF1,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFD,0xF7,0xFB,0x83,0xF7,0xF7,0xEE,0xF7,0x1E,0xF0,0x7D,0x06,0x9D,0xF6,0xEB,0xF6,0xF7,0xB6,0xEB,0xD6,0x1B,0xC7,0xFD,0xF7,0xFC,0xF7,0xFD,0xF7,0xFF,0xFF,0xFF,0xFF,0xDF,0xDF,0xDF,0xDE,0xDF,0xDC,0xDF,0xDA,0xDF,0xC6,0xDF,0x1E,0xDF,0xDE,0xDF,0xD0,0x00,0xDE,0xDF,0xDE,0xDF,0xDE,0xDF,0xDE,0xDF,0xDE,0xDF,0xFF,0xDF,0xFF,0xFF,0xFF,0xFF,0xC0,0x1F,0xDD,0xDF,0xDD,0xDF,0xDD,0xDF,0xC0,0x1F,0xF7,0xFF,0xF6,0xFF,0xF7,0x3F,0xF7,0xFD,0xF7,0xFE,0x00,0x01,0xF7,0xFF,0xF7,0xFF,0xF7,0xFF,0xFF,0xFF,0xFF,0xFF,0xE0,0x00,0x7F,0xFF,0x9F,0xFF,0xFF,0xFF,0xF0,0x1F,0xB6,0xDF,0xB6,0xDF,0xB6,0xDF,0xB6,0xDF,0xB0,0x1F,0xBF,0xFD,0xBF,0xFE,0x80,0x01,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xF1,0xF3,0xEF,0xEB,0xEF,0xDB,0xEF,0xBB,0xEE,0x7B,0xF1,0xF3,0xFF,0xFF,0xFF,0xFF,0xF8,0x0F,0xF7,0xF7,0xEF,0xFB,0xEF,0xFB,0xF7,0xF7,0xF8,0x0F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFC,0xF3,0xFC,0xF3,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xF3,0xE7,0xEF,0xFB,0xEE,0xFB,0xEE,0xFB,0xED,0x77,0xF3,0x8F,0xFF,0xFF,0xFF,0xFF,0xF8,0x0F,0xF7,0xF7,0xEF,0xFB,0xEF,0xFB,0xF7,0xF7,0xF8,0x0F,0xFF,0xFF,0xFF,0xFE,0xFF,0xF2,0xFF,0xF1,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xD7,0xFB,0xDB,0xF7,0xDD,0xCD,0xDE,0x3D,0xD9,0x3D,0xC7,0xCB,0xFB,0xFB,0xE7,0xF7,0x0F,0xCF,0xE8,0x3F,0xEF,0x9F,0xEF,0xE7,0xEB,0xF3,0xE7,0xF9,0xEF,0xFB,0xFF,0xFF,0xFD,0xFD,0x7D,0xFB,0x8C,0x07,0xDF,0xFB,0xFF,0xFD,0xC0,0x1D,0xDF,0xBD,0xBF,0x7D,0xBF,0xFD,0xC0,0x05,0xDF,0xFD,0xDF,0xBD,0xDF,0xDD,0xC0,0x3D,0xFF,0xFD,0xFF,0xFF,0xFB,0xFF,0xFB,0xFE,0xFB,0xFD,0xFB,0xFB,0xFB,0xF7,0xFB,0xCF,0xFA,0x3F,0x01,0xFF,0xFA,0x7F,0xFB,0x9F,0xFB,0xEF,0xFB,0xF3,0xFB,0xF9,0xFB,0xFC,0xFB,0xFD,0xFF,0xFF,0xFF,0xFF,0xE7,0x6B,0xDF,0x6B,0xD7,0x57,0xD6,0xD7,0xD6,0xAD,0x54,0x6E,0x92,0xDD,0xD7,0x03,0xD7,0x9F,0xD6,0x6F,0xDF,0x6F,0xD7,0xF7,0xCF,0xF3,0xDF,0xF7,0xFF,0xFF,0xEF,0xBB,0xEB,0xBB,0xAB,0x77,0xAB,0x77,0xA0,0x2F,0xAF,0xCF,0xAF,0x9F,0x80,0x01,0xAF,0xBF,0x6F,0xDF,0x60,0x4F,0x6D,0x67,0x6B,0x73,0xCB,0x77,0xEE,0x7F,0xFF,0xFF,0xFF,0x7D,0xFE,0xFD,0xF9,0xDD,0xC7,0xDD,0xFB,0xDD,0xFC,0xDD,0xFF,0xDD,0x00,0x01,0xFF,0x5D,0xFE,0xDD,0xFD,0xDD,0xC3,0xDD,0xFD,0xDD,0xFE,0xFD,0xFF,0xFD,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xF0,0x05,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,/改显示内容以下两行别改0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF;/*主函数*/void main()uchar i,j; uint m=0;/m是从字模数组里向后取数据时的计数器，用以改变显示文字的内容，及滚动显示效果 SCON=0; /初始化串口为工作方式0（同步通信方式，TxD输出同步脉冲） lie=0x7fff; /列选标志初始化 while(1) /重复循环显示 for(j=0;j10;j+) /j用来控制屏上1帧显示内容停留的时间，即用来控制滚动速度 for(i=1;i1024)/这个数据为你的字模数组的大小-32，我的是1056-32=1024 m=0; /*延时子程序*/void delay()uint n; for(n=0;n90;n+) ; 51单片机 8255 18b20 数码管显示温度C程序(2010-01-22 09:49:22)转载标签：电子资料电子工程师软件it分类：软件电子IT#include#include#include#define uint unsigned int#define uchar unsigned char#define PA 0x7cff /PA口#define PB 0x7dff /PB口#define con 0x7fff /控制字sbit A8=P20; /地址线A0 sbit A9=P21; /地址线A1sbit cs=P27; /片选sbit wr=P36; /读端口uint temp;uchar tplsb,tpmsb; / 温度值低位、高位字节sbit date=P12; /数据通信线uchar code tableshi=0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f;/数码管段选 十位uchar code tablege=0xbf,0x86,0xdb,0xcf,0xe6,0xed,0xfd,0x87,0xff,0xef;/数码管段选 个位 带小数点/uchar code tablewei=0xfe,0xfd,0xfb,0xf7,0xef,0xdf;/数码管位选void delay(uchar i) uchar j,k; for(j=i;j0;j-) for(k=125;k0;k-);void init() uint i; date=1; delay(1); date = 0; i = 100; /拉低约900us while (i0) i-; date= 1; / 产生上升沿 i = 4; while (i0) i-;void wait() uint i; while(date); while(date); / 检测到应答脉冲 i = 4; while (i0) i-;bit readbit() uint i; bit b; date = 0; i+; date = 1; i+;i+; / 延时15us以上，读时隙下降沿后15us，DS18B20输出数据才有效 b = date; i = 8; while(i0) i-; return (b);uchar readbyte() uchar i,j,b; b = 0; for (i=1;i=8;i+) j = readbit(); b = (j1);/读出的数据最低位在最前面，这样刚好一个字节在DATE里 return(b);void writebyte(uchar b)/ uint i; uchar j; bit btmp; for(j=1;j1; / 取下一位（由低位向高位） if (btmp) / 写1 date = 0; i+;i+; / 延时，使得15us以内拉高 date = 1; i = 8; while(i0) i-; / 整个写1时隙不低于60us else / 写0 date = 0; i = 8; while(i0) i-; / 保持低在60us到120us之间 date = 1; i+; i+; void convert() init(); / 产生复位脉冲，初始化DS18B20 wait(); / 等待DS18B20给出应答脉冲 delay(1); / 延时 writebyte(0xcc); / 跳过rom 命令 writebyte(0x44); / convert T 命令 uint readtemp() float tt; init(); / 产生复位脉冲，初始化DS18B20 wait(); / 等待DS18B20给出应答脉冲 delay(1); / 延时 writebyte(0xcc); / 跳过rom命令 writebyte(0xbe); / read scratchpad 读暂存器命令 tplsb=readbyte(); / 温度值低位字节（其中低4位为二进制的小数部分） tpmsb=readbyte(); / 温度值高位字节（其中高5位为符号位） temp=tpmsb; temp=8; /合成一个字 temp=temp|tplsb; tt=temp*0.0625; temp=tt*10+0.5; return temp; void display(uint temp) uchar A1,A2,A3; A1=temp/100; A2=temp%100/10; A3=temp%10; wr=1; XBYTEPB=0xdf; /选通第一位数码管 wr=0; delay(1); wr=1; XBYTEPA=tableshiA1; /显示百位 wr=0; delay(10); wr=1; XBYTEPA=0x00; /关掉显示百位 wr=0; wr=1; XBYTEPB=0xef; /选通第2位数码管 wr=0; delay(1); wr=1; XBYTEPA=tablegeA2;/显示十位 wr=0; delay(10); wr=1; XBYTEPA=0x00; /关掉显示十位 wr=0; wr=1; XBYTEPB=0xf7; /选通第3位数码管 wr=0; delay(1); wr=1; XBYTEPA=tableshiA3; /显示个位 wr=0; delay(10); wr=1; XBYTEPA=0x00; /关掉显示个位 wr=0;void main() wr=1; XBYTEcon=0x80;/A组输入B组输出方式0 wr=0; delay(1); / 延时1ms convert(); / 启动温度转换，需要750ms delay(1000); / 延时1s while(1) convert(); display(readtemp(); 51单片机数码管电子时钟C程序单片机例子程序 2009-09-01 14:09:59 阅读401 评论1字号：大中小/*P0段选，P2位选*/*2009年9月1号*/#include at89x52.h#define uchar unsigned char#define uint unsigned intuchar code tab=0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90,0xbf,0xff;uchar n;uchar hh,mm,ss;uchar nhh,nmm,nss;uint year;uchar day,mon,week;uchar hhs,hhg,mms,mmg,sss,ssg;uchar days,dayg,mons,mong;uchar nhhs,nhhg,nmms,nmmg,nsss,nssg;uchar set1=1,set2=1;sbit fm=P32;sbit k1=P34;sbit k2=P35;sbit k3=P36;sbit k4=P37;uchar table1=31,31,29,31,30,31,30,31,31,30,31,30,31; /闰年uchar table2=31,31,28,31,30,31,30,31,31,30,31,30,31; /非闰年void jishi();void baoshi();void alarm();void set_time();void set_alarm();void set_mdw();void key_change();void key_set(); void delay(int m) /延时程序，延时m*0.5ms uint i; uint j; for (i=0;im;i+) for(j=0;j500;j+) void timer0() interrupt 1TMOD=0x01;TH0=0x3c;TL0=0xb1;n+;jishi();main()TMOD=0x01;TH0=0x3c;TL0=0xb1;TR0=1;EA=1;ET0=1;hh=12;mm=00;ss=00;nhh=7;nmm=30;nss=0;year=2008;mon=12;day=1;week=1;while(1)hhs=hh/10%10;/时分秒hhg=hh%10;mms=mm/10%10;mmg=mm%10;sss=ss/10%10;ssg=ss%10;nhhs=nhh/10%10;/闹钟nhhg=nhh%10;nmms=nmm/10%10;nmmg=nmm%10;nsss=nss/10%10;nssg=nss%10;days=day/10%10;/月日dayg=day%10;mons=mon/10%10;mong=mon%10;key_change(); /k1按键扫描key_set(); /k2按键扫描set_time(); /设置时间set_mdw(); /设置月日星期set_alarm(); /设置闹钟if(set1=1) /正常走时显示P0=tabhhs;P2_7=0;delay(1);P2_7=1;/时十位P0=tabhhg;P2_5=0;delay(1);P2_5=1;/时个位P0=tab10;P2_3=0;delay(1);P2_3=1;/-P0=tabmms;P2_1=0;delay(1);P2_1=1;/分十位P0=tabmmg;P2_6=0;delay(1);P2_6=1;/分个位P0=tab10;P2_4=0;delay(1);P2_4=1;/-P0=tabsss;P2_2=0;delay(1);P2_2=1;/秒十位P0=tabssg;P2_0=0;delay(1);P2_0=1;/秒个位if(set1=2) /设置时间P0=tabhhs;P2_7=0;delay(1);P2_7=1;/时十位P0=tabhhg;P2_5=0;delay(1);P2_5=1;/时个位P0=tab10;P2_3=0;delay(1);P2_3=1;/-P0=tabmms;P2_1=0;delay(1);P2_1=1;/分十位P0=tabmmg;P2_6=0;delay(1);P2_6=1;/分个位P0=tab10;P2_4=0;delay(1);P2_4=1;/-P0=tabsss;P2_2=0;delay(1);P2_2=1;/秒十位P0=tabssg;P2_0=0;delay(1);P2_0=1;/秒个位if(set1=3) /正常显示月日-星期P0=tabmons;P2_7=0;delay(1);P2_7=1;/时十位P0=tabmong;P2_5=0;delay(1);P2_5=1;/时个位P0=tab10;P2_3=0;delay(1);P2_3=1;/-P0=tabdays;P2_1=0;delay(1);P2_1=1;/分十位P0=tabdayg;P2_6=0;delay(1);P2_6=1;/分个位P0=tab11;P2_4=0;delay(1);P2_4=1;/-P0=tab11;P2_2=0;delay(1);P2_2=1;/秒十位P0=tabweek;P2_0=0;delay(1);P2_0=1;/秒个位if(set1=4) /设置月日-星期P0=tabmons;P2_7=0;delay(1);P2_7=1;/时十位P0=tabmong;P2_5=0;delay(1);P2_5=1;/时个位P0=tab10;P2_3=0;delay(1);P2_3=1;/-P0=tabdays;P2_1=0;delay(1);P2_1=1;/分十位P0=tabdayg;P2_6=0;delay(1);P2_6=1;/分个位P0=tab11;P2_4=0;delay(1);P2_4=1;/-P0=tab11;P2_2=0;delay(1);P2_2=1;/秒十位P0=tabweek;P2_0=0;delay(1);P2_0=1;/秒个位if(set1=5) /正常显示定时P0=tabnhhs;P2_7=0;delay(1);P2_7=1;/时十位P0=tabnhhg;P2_5=0;delay(1);P2_5=1;/时个位P0=tab10;P2_3=0;delay(1);P2_3=1;/-P0=tabnmms;P2_1=0;delay(1);P2_1=1;/分十位P0=tabnmmg;P2_6=0;delay(1);P2_6=1;/分个位P0=tab10;P2_4=0;delay(1);P2_4=1;/-P0=tabnsss;P2_2=0;delay(1);P2_2=1;/秒十位P0=tabnssg;P2_0=0;delay(1);P2_0=1;/秒个位if(set1=6) /设置闹钟定时P0=tabnhhs;P2_7=0;delay(1);P2_7=1;/时十位P0=tabnhhg;P2_5=0;delay(1);P2_5=1;/时个位P0=tab10;P2_3=0;delay(1);P2_3=1;/-P0=tabnmms;P2_1=0;delay(1);P2_1=1;/分十位P0=tabnmmg;P2_6=0;delay(1);P2_6=1;/分个位P0=tab10;P2_4=0;delay(1);P2_4=1;/-P0=tabnsss;P2_2=0;delay(1);P2_2=1;/秒十位P0=tabnssg;P2_0=0;delay(1);P2_0=1;/秒个位baoshi(); /整点报时alarm(); /闹钟void jishi() /计时函数if(n=20)n=0;ss+; if(ss=60) ss=0;mm+; if(mm=60) mm=0;hh+; if(hh=24) hh=0;day+;week+; if(week=8) week=0;if(year%4=0&year%100!=0|year%400=0) /闰年 if(day=table1mon+1) day=0;mon+; if(mon=13) mon=0;year+; else /非闰年 if(day=table2mon+1) day=0;mon+; if(mon=13) mon=0;year+; uchar incone(uchar n) /加1函数if(k3=0)delay(20);if(k3=0)n+;while(!k3);return(n);uchar decone(uchar m) /减1函数if(k4=0)delay(20);if(k4=0)m-;while(!k4);if(m0)m=0;return(m);void key_change() /k1按键扫描if(k1=0)delay(20);if(k1=0)set1+;while(!k1);if(set1=7)set1=1;void key_set() /k2按键扫描if(k2=0)delay(20);if(k2=0)set2+;while(!k2);if(set2=4)set2=1;void baoshi() /整点报时函数if(mm=00&ss=00)fm=0;if(ss=1)fm=1;void alarm() /闹钟函数uchar x;if(nhh=0)goto end;if(hh=nhh&mm=nmm&ss=nss)for(x=0;x6;x+)fm=0;delay(30);fm=1;delay(20);fm=0;delay(30);fm=1;delay(20);fm=0;delay(30);fm=1;delay(20);fm=0;delay(30);fm=1;delay(180);end:;void set_time() /设置时间函数if(set1=2)if(set2=1)hh=incone(hh);if(hh=24)hh=0;if(hh=-1)hh=23;hh=decone(hh);if(set2=2)mm=incone(mm);if(mm=60)mm=0;if(mm=-1)mm=59;mm=decone(mm);if(set2=3)ss=incone(ss);if(ss=60)ss=0;if(ss=-1)ss=59;ss=decone(ss);void set_mdw() /设置月日星期函数if(set1=4)if(set2=1)mon=incone(mon);if(mon=13)mon=1;mon=decone(mon);if(mon=0)mon=12;if(set2=2)day=incone(day);if(day=32)day=1;day=decone(day);if(day=0)day=31;if(set2=3)week=incone(week);if(week=8)week=1;week=decone(week);if(week=0)week=7;void set_alarm() /设置闹钟函数if(set1=6)if(set2=1)nhh=incone(nhh);if(nhh=24)nhh=0;if(nhh=-1)nhh=23;nhh=de cone(nhh);if(set2=2)nmm=incone(nmm);if(nmm=60)nmm=0;nmm=decone(nmm);if(nmm=-1)nmm=59;if(set2=3)nss=incone(nss);if(nss=60)nss=0;nss=decone(nss);if(nss=-1)nss=59;51单片机控制ISD1420实现选段播放功能的实现（C程序 电路图）3推荐资料编写与整理：AVR猎手benladn911 出处：AVR猎手的地盘 / 转载请注明出处在2006年时候记得我在做 ISD1420的播放控制，当时在 选段播放上遇到了问题，当时网络上也没有详细描述具体的控制方法，也在咱们坛子里问过。折腾了很久，后来还是实现出来了。但资料后来没有实际应用到产品上，今天翻看资料的时候发现了，拿出来给同样碰到问题的朋友做为参考。以前写的C程序比较菜，注释比较多。（现在写的程序注释也很多 ：）电路图简单画了下，大家都看得懂：附上 KEIL完整工程：1420_code.rar 程序原文：/*功能: 使用STC2052单片机控制 ISD1420语音芯片的播放 1、顺序连续分段放音 2