ds1302.c

来自「1602+1302液晶时钟显示」· C语言 代码 · 共 105 行

#include <5410AD.H>
#include "DS1302.h"
#define DataPort P2
#define Busy     0x80
sbit RSPIN=P3^4;
sbit RWPIN=P3^5;
sbit LCDEN=P3^7;
void DelayMs(unsigned int number);
void WaitForEnable(void);
void Lcdclsp(void);
void WriteCommand(unsigned char c);
void WriteData(unsigned char c);
void ShowChar(unsigned char pos,unsigned char c);
void ShowString(unsigned char line,char *prt);
void InitLcd();
void Delay1ms(unsigned int count)
{
	unsigned int i,j;
	for(i=0;i<count;i++)
	for(j=0;j<120;j++);
}
main(void)
{ 
   	SYSTEMTIME CurrentTime;
 	DelayMs(2000);
 	InitLcd();
	Initial_DS1302();
	while(1){
	    DS1302_GetTime(&CurrentTime);
		DateToStr(&CurrentTime);
		TimeToStr(&CurrentTime);
		ShowString(0,CurrentTime.DateString);
	    ShowString(1,CurrentTime.TimeString);
		Delay1ms(300);

	   }
}
/***************************************************************/
void DelayMs(unsigned int number) 
{
	unsigned char temp;
 	for(;number!=0;number--) {
		for(temp=112;temp!=0;temp--) {
 		 }
 	}
}
/*****************************************************************/
 void InitLcd()
{	DelayMs(10);
  	WriteCommand(0x38);
	DelayMs(10);
 	WriteCommand(0x38);
	DelayMs(10);
  	WriteCommand(0x08);
 	WriteCommand(0x01);
  	WriteCommand(0x06);
  	WriteCommand(0x0E); 
  }
/*****************************************************************/
void WriteCommand(unsigned char c)
{	
	WaitForEnable();
	RSPIN=0;
	RWPIN=0;
	LCDEN=1;
 	DataPort=c;
    LCDEN=0;
 }
/*****************************************************************/
void WriteData(unsigned char c)
{	
    WaitForEnable();
	RSPIN=1;
	RWPIN=0;
	LCDEN=1;    
 	DataPort=c;
	LCDEN=0;
 }
/*****************************************************************/																	   
void ShowChar(unsigned char pos,unsigned char c)
{	unsigned char p;
 	if (pos<0x10)													  			              
 	   p=pos+0x80;
 	else  
	   p=pos+0xB0;
 	WriteCommand(p);
 	WriteData(c);
 }
/*****************************************************************/
void ShowString(unsigned char line,char *prt)
{	unsigned char L,i;
	L=line*0x10;
 	for(i=0;i<13;i++)
   	ShowChar(L++,*(prt+i));						 			
   }
/*****************************************************************/
void WaitForEnable(void)
{   DataPort = 0xff;
	RWPIN=1;
	RSPIN=0;
	LCDEN=1;
	while(DataPort & Busy );
	LCDEN=0;
}
/*****************************************************************/