ds1337.c

时钟芯片ds1337在嵌入式处理器nios上的底层驱动程序

#include "excalibur.h"
#include "t6963.h"
#include "ds1337.h"
	
   int main	(void)	
{
	initial1337();
	initial6963();
	  cls();
	set(45,5,15,6,23,59,56);
	//settime(23,59,56);
	//setcalendar(86,2,28);
		    while(1)
				{
				 sec=readany(0);
	        display1337[0]=sec&0x0f;
			display1337[1]=(sec>>4);
	      min=readany(1);
	        display1337[2]=min&0x0f;
			display1337[3]=(min>>4);
		  hr=readany(2);
	        display1337[4]=hr&0x0f;
			display1337[5]=(hr>>4);
		  printfig(30,4,0,display1337[5]);
		  printfig(30,5,0,display1337[4]);
		   dprintf(30,6,0,":");
		   printfig(30,7,0,display1337[3]);
		  printfig(30,8,0,display1337[2]);
		     dprintf(30,9,0,":");
			printfig(30,10,0,display1337[1]);
		   printfig(30,11,0,display1337[0]);

          dy=readany(3);
	      dt=readany(4);
      	  displaycalendar[0]=dt&0x0f;
			displaycalendar[1]=(dt>>4);
		  mn=readany(5);
	 	   displaycalendar[2]=mn&0x0f;
			displaycalendar[3]=(mn>>4)&1;
	 		  yr=readany(6);
            displaycalendar[4]=yr&0x0f;
			displaycalendar[5]=(yr>>4);
			  printfig(6,2,0,displaycalendar[5]);
			  printfig(6,3,0,displaycalendar[4]);
			   dprintf(6,4,0,"年");
			printfig(6,6,0,displaycalendar[3]);
			  printfig(6,7,0,displaycalendar[2]);
			    dprintf(6,8,0,"月");
			printfig(6,10,0,displaycalendar[1]);
			   printfig(6,11,0,displaycalendar[0]);
			    dprintf(6,12,0,"日");
	}
	
}