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#ifndef _LCD1602_H_
#define _LCD1602_H_
#include <reg52.h>
/* 定義單片機(jī)的管腳 */
#define LCD1602_DATAPINS P0 //P0口用來(lái)發(fā)送數(shù)據(jù)，一整個(gè)字節(jié)地發(fā)送
sbit LCD1602_RS = P2^6; //P26口聲明P0口發(fā)的是數(shù)據(jù)還是命令，1為數(shù)據(jù)，0為命令
sbit LCD1602_RW = P2^5; //P25口聲明現(xiàn)在是將數(shù)據(jù)寫入LCD顯示屏，還是從LCD讀出數(shù)據(jù)。1為讀，0為寫
sbit LCD1602_E = P2^7; //P27口為L(zhǎng)CD的使能端，高電平有效
/* 定義LCD使用4位數(shù)據(jù)管腳的宏，如果使用4位數(shù)據(jù)管腳的LCD，就打開下面的注釋 */
// #define LCD1602_4DATAPINS
/* 函數(shù)聲明 */
void LCD1602_WriteInstrucion(unsigned char i);
void LCD1602_Init();
void LCD1602_WriteData(unsigned char dat);
void LCD1602_WriteSfm(unsigned char sfm);
void LCD1602_WriteCom(unsigned char com);
void LCD_Delay(unsigned int i);
void write_sfm(unsigned char sfm);
#endif
#include<reg52.h>
#include<lcd1602.h>
#define uchar unsigned char
#define uint unsigned int
uchar int_time;
uchar second;
uchar minute;
uchar hour;
uchar code date[]="H.I.T.CHINA";
uchar code time[]="TIME 23:59:55";
uchar second=55,minute59,hour=23;
void write_data();
void clock_init()
{
uchar i,j;
for(i=0;i<16;i++)
{
write_data(date[ i]);
}
write_com(0x80+0x40);
for(j=0;j<16;j++)
{
write_data(time[j]);
}
}
void clock_write(uint s,uint m,uint h)
{
write_sfm(0x47,h);
write_sfm(0x4a,m);
write_sfm(0x4d,s);
}
void main()
{
init1602();
clock_init();
TMOD=0x01;
EA=1;
ET0=1;
TH0=(65536-50000)/256;
TL0=(65536-50000)%256;
TR0=1;
int_time=0;
second=55;
minute=59;
hour=23;
while(1)
{
clock_write(seconf,minute,hour);
}
}
void T0_interserve(void) interrupt 1 using 1
{ int_time++;
if(int_time==20)
{
int_time=0;
second++;
}
if(second==60)
{
second=0;
minute++;
}
if(minute==60)
{
minute=0;
hour++;
}
if(hour==24)
{
hour=0;
}
TH0=(65536-50000)/256;
TL0=(65536-50000)%256;
}
B1103.C(18): error C267: 'write_data': requires ANSI-style prototype |
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