avryejing.c

DS1302时钟驱动程序

#include"mega16.h"
#include"delay.h"
#define Line_Len 30
//---------定义数据通道口------------------
#define Data_Addr PORTC
#define Date_en DDRC
#define Date_in PINC
#define MyWR PORTB.0
#define MyRD PORTB.1
#define MyCE PORTB.2
#define MyCD PORTB.3
//---------向液晶屏送一帧数据------------------
flash unsigned char k[]={
0x00,0x00,0x7F,0x00,0x00,0x00,0x00,0x3F,0x00,0x00,0x00,0x00,0x00,0x7F,0x00,0x00,
0x00,0x00,0xFC,0x00,0x00,0x00,0x00,0xF8,0x00,0x00,0x00,0x00,0x00,0xFE,0x00,0x00,//三0

0x20,0x20,0x23,0xA8,0xAA,0xA9,0xA9,0xA9,0xAF,0xA8,0xB8,0xE8,0x81,0x02,0x04,0x08,
0x40,0x40,0xFC,0x40,0x48,0x4C,0x48,0x50,0xFE,0x40,0xA0,0xA0,0x10,0x0E,0x04,0x00,//峡1

0x01,0x01,0x01,0x01,0x01,0xFF,0x01,0x02,0x02,0x02,0x04,0x04,0x08,0x10,0x20,0x40,
0x00,0x00,0x00,0x00,0x00,0xFE,0x00,0x80,0x80,0x40,0x40,0x20,0x10,0x18,0x0E,0x04,//大2

0x01,0x10,0x0C,0x08,0x7F,0x40,0x8F,0x00,0x00,0x7F,0x00,0x00,0x00,0x00,0x02,0x01,
0x08,0x8C,0xC8,0x90,0xFE,0x04,0xE8,0x40,0x80,0xFE,0x80,0x80,0x80,0x80,0x80,0x00,//学3

0x01,0x01,0x01,0x3F,0x21,0x21,0x3F,0x21,0x21,0x21,0x3F,0x21,0x01,0x01,0x00,0x00,
0x00,0x00,0x00,0xF8,0x08,0x08,0xF8,0x08,0x08,0x08,0xF8,0x08,0x02,0x02,0xFE,0x00,//电4

0x00,0x3F,0x00,0x00,0x00,0x01,0x01,0x01,0xFF,0x01,0x01,0x01,0x01,0x01,0x05,0x02,
0x00,0xF0,0x20,0x40,0x80,0x00,0x00,0x04,0xFE,0x00,0x00,0x00,0x00,0x00,0x00,0x00,//子5

0x08,0x08,0x14,0x13,0x21,0x40,0xBF,0x21,0x21,0x25,0x22,0x20,0x20,0x20,0x1F,0x00,
0x02,0x02,0x12,0x12,0xD2,0x92,0x12,0x12,0x12,0x12,0x12,0x82,0x82,0x8A,0x84,0x00,//创6

0x10,0x08,0x7F,0x22,0x14,0xFF,0x08,0x08,0xFF,0x08,0x2C,0x2A,0x4A,0x89,0x2A,0x10,
0x00,0x0E,0x70,0x40,0x40,0x7E,0x48,0x48,0x48,0x48,0x48,0x88,0x88,0x08,0x08,0x08,//新7

0x00,0x40,0x20,0x30,0x27,0x00,0xE0,0x27,0x21,0x21,0x21,0x21,0x29,0x36,0x20,0x00,
0x20,0x28,0x24,0x24,0xFE,0x20,0x20,0xE0,0x20,0x10,0x10,0x0A,0xCA,0x06,0x02,0x00,//试8

0x00,0xF8,0x08,0x48,0x48,0x49,0x4B,0x7C,0x04,0x06,0x35,0xC5,0x04,0x17,0x08,0x00,
0x00,0x40,0x40,0xA0,0x90,0x0E,0xF0,0x00,0x84,0x44,0x48,0x48,0x10,0xFE,0x00,0x00,//验9

0x02,0x01,0x3F,0x20,0x40,0x3F,0x04,0x08,0x1F,0x01,0x01,0x3F,0x01,0x01,0xFF,0x00,
0x00,0x00,0xFE,0x04,0x08,0xFC,0x00,0x20,0xF0,0x10,0x00,0xF8,0x00,0x00,0xFE,0x00,//室10

0x00,0x00,0x7C,0x44,0x47,0x44,0x7C,0x45,0x44,0x44,0x7C,0x00,0x00,0x00,0x00,0x00,
0x10,0x10,0x10,0x10,0xFE,0x10,0x10,0x10,0x90,0x90,0x10,0x10,0x10,0x10,0x50,0x20,//时11

0x10,0x10,0x20,0x3D,0x41,0x7D,0x91,0x11,0xFD,0x10,0x10,0x10,0x10,0x14,0x18,0x10,
0x20,0x20,0x20,0xFC,0x24,0x24,0x24,0x24,0xFC,0x20,0x20,0x20,0x20,0x20,0x20,0x20,//钟12

0x08,0x0F,0x10,0x10,0x20,0x4F,0x88,0x08,0x08,0x08,0xFF,0x00,0x00,0x00,0x00,0x00,
0x00,0xFC,0x80,0x80,0x80,0xF8,0x80,0x80,0x80,0x80,0xFE,0x80,0x80,0x80,0x80,0x80,//年13

0x07,0x04,0x04,0x04,0x07,0x04,0x04,0x04,0x07,0x04,0x08,0x08,0x10,0x20,0x40,0x00,
0xF0,0x10,0x10,0x10,0xF0,0x10,0x10,0x10,0xF0,0x10,0x10,0x10,0x10,0x50,0x20,0x00,//月14

0x00,0x1F,0x10,0x10,0x10,0x10,0x1F,0x10,0x10,0x10,0x10,0x10,0x1F,0x10,0x00,0x00,
0x00,0xF0,0x10,0x10,0x10,0x10,0xF0,0x10,0x10,0x10,0x10,0x10,0xF0,0x10,0x00,0x00,//日15

0x08,0x0C,0x08,0x10,0x10,0x20,0x40,0x9F,0x04,0x04,0x04,0x04,0x08,0x10,0x20,0x40,
0x80,0x80,0x40,0x20,0x30,0x18,0x0E,0xE4,0x20,0x20,0x20,0x20,0x20,0xA0,0x40,0x00,//分16

0x0C,0xF0,0x10,0x11,0xFD,0x11,0x32,0x3A,0x54,0x54,0x90,0x10,0x10,0x10,0x11,0x16,
0x20,0x20,0x20,0x28,0xA4,0x22,0x22,0x20,0x22,0x22,0x04,0x08,0x10,0x60,0x80,0x00,//秒17

0x00,0x00,0x00,0x10,0x70,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x7C,0x00,0x00,//118

0x00,0x00,0x00,0x3C,0x42,0x42,0x04,0x18,0x04,0x02,0x02,0x42,0x44,0x38,0x00,0x00,//318

0x00,0x00,0x00,0x18,0x24,0x42,0x42,0x42,0x42,0x42,0x42,0x42,0x24,0x18,0x00,0x00,//019

0x00,0x00,0x00,0x3C,0x42,0x42,0x42,0x04,0x04,0x08,0x10,0x20,0x42,0x7E,0x00,0x00,//219

0x00,0x1F,0x10,0x1F,0x10,0x1F,0x01,0x11,0x1F,0x21,0x21,0x4F,0x01,0x01,0x7F,0x00,
0x00,0xF8,0x08,0xF8,0x08,0xF8,0x00,0x00,0xFC,0x00,0x00,0xF8,0x00,0x00,0xFE,0x00,//星20

0x22,0x22,0x7F,0x22,0x3E,0x22,0x3E,0x22,0x22,0xFF,0x00,0x24,0x22,0x43,0x81,0x00,
0x00,0x7C,0x44,0x44,0x44,0x7C,0x44,0x44,0x44,0x7C,0x44,0x84,0x84,0x14,0x08,0x00,//期21

         0x41,0x20,0x30,0x2F,0x01,0x01,0xE5,0x25,     //迹  18
         0x29,0x31,0x22,0x22,0x24,0x50,0x8F,0x00,
         0x00,0xC0,0x40,0xFE,0x20,0x20,0x28,0x24,
         0x26,0x24,0x20,0xA0,0x40,0x00,0xFE,0x00


};
void Post_Msg(unsigned char msg)
{Date_en=0xff;
 Data_Addr=0xff; 		
 MyCE=0;
 MyCD=0;
 Data_Addr = msg;  
 MyWR=0;
 MyWR=1;
 MyCE=1;
}

//------------送一条指令函数-----------------
void Post_Com(unsigned char msg)
{Date_en=0xff;
 MyCE=0;
 MyCD=1;
 Data_Addr=msg;  
 MyWR=0;
 MyWR=1;
 MyCE=1;
}

//-------------接收一帧据数-------------------
unsigned char Read_Msg()
{unsigned char Statu;
 Date_en=0xff;
 Data_Addr=0xFF;
 MyCE=0;
 MyCD=1;
 MyRD=0;
 Date_en=0;
 Statu=Date_in;
 MyRD=1;
 MyCE=1;
 Date_en=0xff;
 return (Statu);
}
//*********************************************


//*************************************
//读状态函数
//*************************************
void Read_Sta(unsigned char mark)
{     
   bit exit=0;
   unsigned char Sta;
   while(1)
   {
     Sta=Read_Msg();                                      //取得lcd当前状态	 
     switch(mark)										  //得到需要的状态
	  {
	    case 1:if((Sta&0x03)==0x03)exit=1;break;		  //分离状态１，读写状态
            case 2:if(Sta&0x04)exit=1;break;				  //分离状态２
            case 3:if(Sta&0x10)exit=1;break;				  //分离状态３
	    default:break;  
	  }
   	  if(exit)break;   									  //确认退出
   } 
}

//****************************************



//*************************************
//通讯函数
//说明:参数mark:传送的数据,2为两帧dat1和dat2都有效,1为一帧dat1有效,dat1为数据1, dat2为数据2,com为指令码
//*************************************
void Send_lcd(unsigned char mark,unsigned char dat1,unsigned char dat2,unsigned char com)
{
  if(mark)												//判断指令类型
     {
	  Read_Sta(1);
	  Post_Msg(dat1);		     	//类型1和2dat1均有效
	  if(mark==2)
	  {
	    Read_Sta(1);
	    Post_Msg(dat2);                              	//类型2时dat2有效
	  }	 		
	 }
   Read_Sta(1);
   Post_Com(com);								//送指令码
}
//*************************************


//*************************************
//清显示函数
//说明:此函数可将液晶屏内从00单元开始8200单元结束的所有区域数据清零,但是不会对CGRAM汉字字模区清零
//************************************
void Clear()
{
    unsigned int i;	
	Send_lcd(2,0x00,0x00,0x24);			   //置光标首地址(0x00,0x00)
	Send_lcd(0,0x00,0x00,0xb0);			   //设置自动写方式
    for(i=0;i<0x1b00;i++)
	{
		Read_Sta(3);					   //判断状态三(自动写标志位)
		Post_Msg(0x00);					   //当前地址数据清零
	}
	for(i=0x1b00+1100;i<8200;i++)
	{Read_Sta(3);Post_Msg(0x00);}
	Send_lcd(0,0x00,0x00,0xb2);			   //自动写入结束
}