ocmj_lcd._c

mega128+时实时钟日期芯片ds1307的例子

#include <iom128v.h>
#include "ocmj_lcd.h" 

/*     OCMJ4X8LCD初始化    */
 void ocmj_init(void)
    {
	 MCUCR=0;
	 DDRA=0xff;
	 PORTA=0xff;
	 DDRE=0b10000000;
	 PORTE=0xff;
	 clr_reset;//LCD复位
	 delay_nms(10);
	 set_reset;
	 clr_answer;
	 delay_nms(10);
	 }
/*            写数据到LCD        */
 void ocmj_write(unsigned char data)
    {
	 while(ask!=0)
	      ;
     data_port=data;
   	 wait;
	 set_answer;
	 wait;
	 while(ask==0)
	      ;		  
	 clr_answer; 
    }
/*          传送ASCII字母到LCD            */
/*          x:0x00~0x0f y:0~64            */	
void asc_tran(unsigned char x,unsigned char y,unsigned char *asc_p)
    {
	 x+=4;
	 while((*asc_p)!=0)
	    {
		 ocmj_write(0xf1);
		 ocmj_write(x);
		 ocmj_write(y);
		 ocmj_write(*asc_p);
		 asc_p++;
		 if (x<0x13) 
		    x++;
		 else
		   {
		    x=0x04;
			y+=8;		    
		   }	
		}	
	 }