|
|
#include<reg52.h>
#include<intrins.h>
#include<string.h>
#dedfne uint unsigned int
#define uchar unsigned char
//定義DS1302與MCU接口
sbit I0=P1^0;//IO接口
sbit SCLK=P1^1;//時(shí)鐘引腳
sbit RST=P1^2;//復(fù)位線引腳
//定義1602與單片機(jī)的接口
sbit RS=P2^0;//指令數(shù)據(jù)選擇
sbit RW=P2^1;//接地，執(zhí)行寫(xiě)操作
sbit EN=P2^2;//信號(hào)使能
uchar *WEEK[]=
{
"SUN","MON","TUS","WEN","THU","FRI","SAT"
};
uchar LCD_DSY_BUFFER1[ ]={"DATA 00-00-00 "};
uchar LCD_DSY_BUFFER2[ ]={"TIME 00:00:00 "};
uchar DateTime[7];
/************延時(shí)i毫秒函數(shù)****************/
void DelayMS(uint ms)
{
uchar i;
while(ms--)
{
for(i=0;i<120;i++);
}
}
/************向DS1302寫(xiě)入1字節(jié)數(shù)據(jù)*********/
void Write_A_Byte_T0_DS1302(uchar x)
{
uchar i;
for(i=0;i<8;i++)
{
I0=x&0x01;SCLK=1;SCLK=0;
x>>=1; //x右移1位，高位補(bǔ)0
}
}
/************向DS1302讀出1字節(jié)數(shù)據(jù)*********/
uchar Get_A_Byte_FROM_DS1302()
{
uchar i,b=0x00;
for(i=0;i<8;i++)
{
b=b|_crol_((uchar)I0,i);
SCLK=1;SCLK=0;
}
return b/16*10+b%16;
}
/************讀取DS1302某地址的數(shù)據(jù)，先寫(xiě)命令字，后讀數(shù)據(jù)*********/
uchar Read_Data_Data(uchar addr)
{
uchar dat;
RST=0;//復(fù)位
SCLK=0;//時(shí)鐘脈沖置0
RST=1;//啟動(dòng)數(shù)據(jù)傳送
Write_A_Byte_T0_DS1302(addr);//寫(xiě)入地址命令字
dat = Get_A_Byte_FROM_DS1302();//讀出一個(gè)字節(jié)的數(shù)據(jù)
SCLK=1;RST=0;
return dat;
}
void GetTime()
{
uchar i,addr=0x81;
for(i=0;i<7;i++)
{
DateTime[i]=Read_Data(addr);addr+=2;
}
}
/************讀出LCD狀態(tài)*********/
uchar Read_LCD_State()
{
uchar state;
RS=0;RW=1;EN=1;DelayMS(1);
stare=P0;
EN = 0;DelayMS(1);
return state;
}
/************LCD忙檢查*********/
void LCD_Busy_Wait()
{
while((Read_LCD_State()&0x80)==0x80);//讀取忙標(biāo)志BF,BF=1則一直等待
DelayMS(5);
}
/************向LCD寫(xiě)數(shù)據(jù)*********/
void Write_LCD_Data(uchar dat)
{
LCD_Busy_Wait();//忙檢測(cè)確保上一指令完成，也可用適當(dāng)?shù)难訒r(shí)替代此行
RS=1;RW=0;EN=0;P0=dat;EN=1;DelayMS(1);EN=0;
}
void Write_LCD_Command(uchar cmd)
{
LCD_Busy_Wait();
RS=0;RW=0;EN=0;P0=cmd;EN=1;DelayMS(1);EN=0;
}
/************初始化LCD函數(shù)*********/
void Init_LCD()
{
Write_LCD_Command(0x38);//8位數(shù)據(jù)接口，2行顯示，5*7點(diǎn)陣字符
DelayMS(1);//延時(shí)保證上一指令完成
Write_LCD_Command(0x01);//清DDRAM和AC值
DelayMS(1);
Write_LCD_Command(0x06);//數(shù)據(jù)讀寫(xiě)操作畫(huà)面不動(dòng)，AC自動(dòng)加1
DelayMS(1);
Write_LCD_Command(0x0c);//開(kāi)顯示，關(guān)光標(biāo)和閃爍
DelayMS(1);
}
void Set_LCD_P0S(uchar p)
{
Write_LCD_Command(p|0x80);
}
void Display_LCD_String(uchar p,uchar *s)
{
uchar i;
Set_LCD_P0S(p);
for(i=0;i<16;i++)
{
Write_LCD_Data(s[i]);
DelayMS(1);
}
}
/************格式化日期時(shí)間函數(shù)*********/
void Format_DateTime(uchar d,uchar *a)
{
a[0]=d/10+'0';
a[1]=d%10+'0';
}
/************主函數(shù)*********/
void main()
{
Init_LCD();//初始化液晶
while(1)
{
GetTime();//獲取當(dāng)前時(shí)間
Format_DateTime(DateTime[6],LCD_DSY_BUFFER1+5)；//通道號(hào)顯示
Format_DateTime(DateTime[4],LCD_DSY_BUFFER1+8)；
Format_DateTime(DateTime[3],LCD_DSY_BUFFER1+11)；
strcpy(LCD_DSY_BUFFER1+13,WEEK[Date[5]]);
Format_DateTime(DateTime[2],LCD_DSY_BUFFER1+5)；
Format_DateTime(DateTime[1],LCD_DSY_BUFFER1+8)；
Format_DateTime(DateTime[0],LCD_DSY_BUFFER1+11);
Display_LCD_String(0x00,LCD_DSY_BUFFER1);//液晶顯示
Display_LCD_String(0x40,LCD_DSY_BUFFER2);
}
}
sj 22.c(23): error C141: syntax error near 'ms', expected ')'
sj 22.c(26): error C202: 'ms': undefined identifier
|
|
QQ好友和群
QQ空間
騰訊微博
騰訊朋友
收藏
淘帖
頂
踩
