atmega16单片机lcd显示时间及protues

1、國 111 - ISIS Profewiondl (Animating)File View Edit Tools Design Graph Source Debug Library Template System Help-LCDV uoiaCAP CRYSTAL DS1302 LM0I6LRES RESPiCDatei 2014-12-15Time： f * i R1 iLi-CZ3-? - x * *；Tg.U1XTALZRBTFCA*(C ra.trtM FC3K2 rvag rv.占叶 FC5i*iM roA*w rc.irtwy3S3* * ；rbV * U2.nI2W.C玖弘勺ra

2、iwxr，pavrxi*F32TTCiiyimraxroF36OP37A5KSFkK1&fTSBCS!0 6叱陶e订 liMATIN6: CC:032C.35J0CO(CFU b&i204|旳 * * *!II# includeo#include#include#define uint unsigned int#define uchar unsigned char/sbit LCDRS=P2A0;/LCD数据/命令选择端sbit LCDRW=P2A1;sbit LCDEN二P2人2;/LCD 使能新号端/車*京*拿*未* 未 * 京*4c*4t*4c*4t京拿 *sbit IO=P1A0;/1

3、302 数据线sbit SCLK=P1A1;/1302 时钟线sbit RST=P1A2;复位uint num=O;uchar Date=Date: 2000-00-00 ；ucharTime=,Time: *00:00-00*uchar date_time7;从dsl302读取的当前卜期时间void delay(uint z)uint xy;for(x=z;x0;x-)for(y=110;y0;y-);void write_dsl302(uchar dat)uchar i;for(i=0;i8;i+)IO=dat & 0x01;保持最后一位为r读状态SCLK=1;delay(l);SCLK=

4、O;dat = 1;/* 未 * 拿 * 車* * 束 * 京 * * * 未 4c 拿* * *uchar read_dsl302()uchar izb=0x00;for(i=0;i8;i+)b | = _crol_(uchar)IOJ);SCLK=1;delay(l);SCLK=O;与BCD码转换return b/16*10+b%16;/拿 *京*車*車*末木*拿*京*球)k * uchar read_data(uchar addr)uchar dat;RST=O;SCLK=O;RST=1;write_dsl302(addr);dat=read_dsl302();SCLK=1;RST=O;

5、return dat;/* 京 * t * 4t t * 京 * 4(車 * * void read_date_time()uchar i，addr二0x81;for(i=0;i7;i+) date_timei=read_data(addr); addr+=2;void lcd_write_com(uchar com)LCDRS=O;RS为0时，写指令，RS为1时，写数据P0=com;delay(5);LCDEN=1;delay(5);LCDEN=O;/*木京*京*京*球*京*京/void lcd_write_data(uchar dat)LCDRS=1;PO=dat;delay(5);LCD

6、EN=1;delay(5); LCDEN=O;*4(京*41* 未*京* 京*京*車* 承京車*/void lcd_init()*京*末未*京*拿*京*京*/LCDEN=O;Icd_write_com(0x38);/LCD显示模式设置lcd_write_com(0x0c);Icd_write_com(0x06);Icd_write_com(0x01);/LCD显示开/关及光标设置当写一个字符后地址指针加1，且光标加1显示淸屏void setjcd_pos(uchar p)lcd_write_com(p | 0x80);/* 案 *4t4t*#4t*)|ci)t*4c* 京車*未車*案*孚*車* void lcd_print(uchar p,uchar *s)setjcd_pos(p);for(num=0; numvl6;num+)lcd_write_data(s num);delay(lO);/*束*車*京*案/void