main.c

s3c44b0x的实时时钟模块的程序设计

#include <stdlib.h>
#include <string.h>
#include "option.h"
#include "44b.h"
//#include "44blib.h"
#include "def.h"
#include "rtc.h"

void AutoTest(void);
void Isr_Init(void);
void HaltUndef(void);
void HaltSwi(void);
void HaltPabort(void);
void HaltDabort(void);
void Quit(void);
void ClearScreen(void);
volatile  int flag=1;
volatile char which_int=0;
void __irq Rtc_Tick(void);
    char *date[8] = {"","SUN","MON","TUE","WED","THU","FRI","SAT"};
    volatile unsigned int sec_tick;


#define	EXT_OSC_CLK	10000000
#define	D12Cmd	*(volatile U8 *)(0x04080000)
#define	D12Cmd2	*(volatile U8 *)(0x04040000)
#define	D12Cmd1	*(volatile U8 *)(0x0a0000ef)
#define	D12Cmd3	*(volatile U8 *)(0x040c0000)
#define	D12Cmd4	*(volatile U8 *)(0x04100000)
#define	D12Cmd5	*(volatile U8 *)(0x04140000)
#define	D12Cmd6	*(volatile U8 *)(0x04180000)

U32 PINLV;
U32  kkk;
 
U8  value1;
volatile  U32  temp1;U8  temp;
U8 bin=0x0f;

void ChangePllValue(int mdiv, int pdiv, int sdiv)
{
	int i = 1;		
	
	rPLLCON = (mdiv<<12)|(pdiv<<4)|sdiv;
	
	while(sdiv--)
		i *= 2;	
	
	PINLV = (EXT_OSC_CLK*(mdiv+8))/((pdiv+2)*i);		
}

/****************************************
 【功能说明】RTC test*
 ****************************************/
void Display_Rtc1(void)
   {
    int i;
    int year,month,day,weekday,hour,min,sec;

    Uart_Printf("\n 系统时间为：\n");
    Rtc_Init();
    rRTCCON = 0x01;    // R/W enable, 1/32768, Normal(merge), No reset
       
   while(1)
         {
	  if(rBCDYEAR == 0x99) 
	     year = 0x1999;
	  else 
	     year   = 0x2006 + rBCDYEAR;
	     month  = 0x00 + rBCDMON;
	     day    = 0x00 + rBCDDAY;
	     weekday= rBCDDATE;
	     hour   = 0x00 + rBCDHOUR;
	     min    = 0x00 + rBCDMIN;
	     sec    = 0x00 + rBCDSEC;
           /*  year   =  rBCDYEAR;
	     month  =  rBCDMON;
	     day    =  rBCDDAY;
	     weekday= rBCDDATE;
	     hour   =  rBCDHOUR;
	     min    =  rBCDMIN;
	     sec    =  rBCDSEC;*/

	  if(min==0 && sec==0)                //整点报时设定
              {                    
                rPDATF=0X14;
                rPCONF=0X24911a;
                Delay(2000);                //报警音时长控制
                rPDATF=0X10;
                Delay(800);                 //报警音节奏控制
                rPDATF=0X14;
                Delay(5000);
                rPDATF=0X10;  
               }
	 else if(D12Cmd2=0x07)
                {   temp1=(rPDATC>>10)&bin;
                     if (temp1!=bin) 
                       if (temp1==0x07)
                   break;                  //有键0按下，则跳出循环
                 }
         Uart_Printf("%4x年,%2x月,%2x日,星期%s,时间%2x:%2x:%2x\r",year,month,day,date[weekday],hour,min,sec);

          Delay(500);
       rRTCCON=0x0;
            }
      }



void Display_Rtc2(void)
   {
    int year;
    int month,day,weekday,hour,min,sec;

    Rtc_Init();

    rRTCCON = 0x01;    // R/W enable, 1/32768, Normal(merge), No reset
    Uart_Printf("\n 秒表计时：\n");
    while(1)
         {
	    hour=rBCDHOUR;
	    min=rBCDMIN;
	    sec=rBCDSEC;

             D12Cmd2=0x07;
             temp1=(rPDATC>>10)&bin;
               if (temp1!=bin) 
                   if (temp1==0x07)
               break;                  //有键0按下，则跳出循环
          Uart_Printf("%2x:%2x:%2x\r",hour,min,sec);
       Delay(500);
          }
    rRTCCON = 0x0;    // R/W disable(for power consumption), 1/32768, Normal(merge), No reset
    }



void Display_Rtc3(void)
   {
    int i;
    int year,month,day,weekday,hour,min,sec;
    Rtc_Init();
    Uart_Printf("\n 定时报警：\n");
    rRTCCON = 0x01;    // R/W enable, 1/32768, Normal(merge), No reset
    while(1)
         {
	    hour=rBCDHOUR;
	    min=rBCDMIN;
	    sec=rBCDSEC;
	  if(min==1)                       //设定报警定时时间为1分钟
           break;                          //有键0按下，则跳出循环
          Uart_Printf("%2x:%2x:%2x\r",hour,min,sec);
       Delay(500);
         rRTCCON=0x0;
        }
       for(i=0;i<20;i++)                   //报警音时长控制
          {
            rPDATF=0X14;
            rPCONF=0X24911a;
            Delay(1000);
            rPDATF=0X10;
            Delay(400); 
            rPDATF=0X14;
            Delay(4000);
            rPDATF=0X10;
            Delay(4200);                    //报警音节奏控制
          }                                    
    }


void Rtc_Init(void)
{
    rRTCCON = 0x01;	// R/W enable, 1/32768, Normal(merge), No reset

    rBCDYEAR = TESTYEAR;
    rBCDMON  = TESTMONTH;
    rBCDDAY  = TESTDAY;	// SUN:1 MON:2 TUE:3 WED:4 THU:5 FRI:6 SAT:7
    rBCDDATE = TESTDATE;
    rBCDHOUR = TESTHOUR;
    rBCDMIN  = TESTMIN;
    rBCDSEC  = TESTSEC;
}

/****************************************************************************
【功能说明】键盘设定函数
****************************************************************************/
void __irq Key_Int(void)
{	
    which_int=0;
    rINTPND=0x1<<21;//清除中断源
    rINTMSK=0x7ffffff;//
    which_int=rEXTINTPND;
    rEXTINTPND=0xf;		//clear EXTINTPND reg.		
    rI_ISPC=BIT_EINT4567;	//clear pending_bit
            switch(which_int)
            {
        	case 1:  
		Delay(20000);
		Delay(10000);
		rINTMSK=~(BIT_GLOBAL|BIT_EINT4567);	//start INT
        which_int=0;         
        	break;
        	case 2:
	 rPDATE	= 0x157;
	 Delay(20000);
	 Delay(10000);
		 rINTMSK=~(BIT_GLOBAL|BIT_EINT4567);	//start INT
        	    which_int=0;
        	    break;
        	case 4:
        	    which_int=0;
        	    break;
        	case 8:
           	    which_int=0;
        	    break;
        	default :
        	    break;
            }
 
}


void Key_Init(void)
{
	rINTCON=0x5;
	rINTMOD=0x0;    //All=IRQ mode
	rEXTINT=0x0;		//"0" level mode
    rPCONG=0xffff;	//EINT7~0
    rPUPG=0x0;		//pull up enable
    pISR_EINT4567=(unsigned)Key_Int;
    rINTMSK=~(BIT_GLOBAL|BIT_EINT4567);	//start INT
}
U8 keyread()
 {
	U8  value;	
   D12Cmd2=0x0e;
   temp1=(rPDATC>>10)&bin;
   if (temp1!=bin)
   {
     if(temp1==0x0e)                //  f
     {
     value=0x01;
     D12Cmd=0xe3;
     D12Cmd3=0xe6;
      D12Cmd4=0x43;
      D12Cmd5=0xf5;
      D12Cmd6=0xe1;
}
     else if (temp1==0x0d)             //b
     {
     value=0x05;
     D12Cmd=0xe3;
     D12Cmd3=0xe6;
      D12Cmd4=0x43;
      D12Cmd5=0xf5;
      D12Cmd6=0xe1;
}
     else if (temp1==0x0b)            //7
     {
     value=0x09;
     D12Cmd=0xe3;
     D12Cmd3=0xe6;
      D12Cmd4=0x43;
      D12Cmd5=0xf5;
      D12Cmd6=0xe1;
}
     else if (temp1==0x07)
     {
     value=0x0d;
     D12Cmd=0xb6;
     D12Cmd3=0x82;
     D12Cmd4=0x14;
     D12Cmd5=0xd5;
     D12Cmd6=0xe6;
     Display_Rtc3();       //按键3，定时报警开始计时
     }
     return value;                                                                                                  
   }
   D12Cmd2=0x0d;
   temp1=(rPDATC>>10)&bin;
   if (temp1!=bin)
   {
    if(temp1==0x0e)                  //e
    {
     value=0x02;
     D12Cmd=0xe3;
     D12Cmd3=0xe6;
      D12Cmd4=0x43;
      D12Cmd5=0xf5;
      D12Cmd6=0xe1;
}
     else if (temp1==0x0d)            //a
     {
     value=0x06;
     D12Cmd=0xe3;
     D12Cmd3=0xe6;
      D12Cmd4=0x43;
      D12Cmd5=0xf5;
      D12Cmd6=0xe1;
}
     else if (temp1==0x0b)               //6
     {
     value=0x0a;
     D12Cmd=0xe3;
     D12Cmd3=0xe6;
      D12Cmd4=0x43;
      D12Cmd5=0xf5;
      D12Cmd6=0xe1;
}
     else if (temp1==0x07)
     {
     value=0x0e;
     D12Cmd=0xb3;
     D12Cmd3=0x82;
     D12Cmd4=0x14;
     D12Cmd5=0xd5;
     D12Cmd6=0xe6;
     
     Display_Rtc2();            //按键2，秒表计时显示     rPDATF=0X14;
         }
     return value;  
   }
   D12Cmd2=0x0b;
   temp1=(rPDATC>>10)&bin;
   if (temp1!=bin)
   {
    if(temp1==0x0e)                //d
    {
     value=0x03;
     D12Cmd=0xe3;
     D12Cmd3=0xe6;
      D12Cmd4=0x43;
      D12Cmd5=0xf5;
      D12Cmd6=0xe1;
}
     else if (temp1==0x0d)          //9
     {
     value=0x07;
     D12Cmd=0xe3;
     D12Cmd3=0xe6;
      D12Cmd4=0x43;
      D12Cmd5=0xf5;
      D12Cmd6=0xe1;
}
     else if (temp1==0x0b)        //5
     {
     value=0x0b;
     D12Cmd=0xe3;
     D12Cmd3=0xe6;
      D12Cmd4=0x43;
      D12Cmd5=0xf5;
      D12Cmd6=0xe1;
}
     else if (temp1==0x07)
     {
     value=0x0f;
     D12Cmd=0x14;
     D12Cmd3=0x82;
     D12Cmd4=0x14;
     D12Cmd5=0xd5;
     D12Cmd6=0xe6;
     
     Display_Rtc1();        //按键1，系统日历显示
   }
     return value;  
   }
   D12Cmd2=0x07;
   temp1=(rPDATC>>10)&bin;
   if (temp1!=bin)
   {
    if(temp1==0x0e)                    //c
    {
     value=0x04;
     D12Cmd=0xe3;
     D12Cmd3=0xe6;
      D12Cmd4=0x43;
      D12Cmd5=0xf5;
      D12Cmd6=0xe1;
}
     else if (temp1==0x0d)             //8
     {
     value=0x08;
     D12Cmd=0xe3;
     D12Cmd3=0xe6;
      D12Cmd4=0x43;
      D12Cmd5=0xf5;
      D12Cmd6=0xe1;
}
     else if (temp1==0x0b)            //4
     {
     value=0x0c;
      D12Cmd=0xe3;
      D12Cmd3=0xe6;
      D12Cmd4=0x43;
      D12Cmd5=0xf5;
      D12Cmd6=0xe1;
      }
     else if (temp1==0x07)
     {
     value=0x10;
     D12Cmd=0x77;
     D12Cmd3=0x82;
     D12Cmd4=0x14;
     D12Cmd5=0xd5;
     D12Cmd6=0xe6;
     rPDATE= 0x177;			
     rPCONE= 0x5569;         //按键0，停止，
     rPDATF=0X14;
     rPCONF=0X24911a;   
     Delay(100);
     rPDATF=0X10;             //bell ring
} 
     return value;  
   }
   return 0x50;
   }


/****************************************************************************
【功能说明】系统主函数
****************************************************************************/

void Main(void)
{
        int i;
	float d;
	ChangePllValue(88,6, 1);	//修改系统主频为6倍频
        rSYSCFG=CACHECFG;
        Port_Init();
 //       Isr_Init();
   	Uart_Init(0,57600);
    	Uart_Select(0);
   	Delay(0); 			 //calibrate Delay()
    	ClearScreen(); 			//clear screen
        Uart_Printf("\n\n\n*************************************************************************\n");
	Uart_Printf("\n  浙江天煌科技实业有限公司\n") ;
        Uart_Printf("\n  http:www.tianhuang.cn\n\n") ;
        Uart_Printf("\n  实时时钟测试实验\n");
        Uart_Printf("\n  （RTC Experiment）\n\n");
        Uart_Printf("\n  S3C44B0X Test Program Ver 0.00 rSYSCFG=0x%x MCLK=%dMHz\n",rSYSCFG,MCLK/1000000) ;
        Uart_Printf("\n  COM:57600bps,8Bit,NP,UART0\n");
        Uart_Printf("\n  Date: " __DATE__ "\n");
        Uart_Printf("\n  请按键盘操作：\n");
        Uart_Printf("\n        按键0：返回上级操作/停止秒表计时   按键1：日历显示/整点报时/闹钟\n");
        Uart_Printf("\n        按键2：秒表计时开始               按键3：定时报警开始\n");
        Uart_Printf("\n        其它按键：无效操作\n");

           D12Cmd2=0x00;
	  temp1=0x00;
        D12Cmd=0x75;
        D12Cmd3=0x14;
        D12Cmd4=0xf6;
        D12Cmd5=0xe3;
        D12Cmd6=0xc7;
           while(1)
   {
    value1= keyread();   
    }
  }

void ClearScreen(void)
{
    int i;
    for (i=0; i<24; i++)	
               Uart_Printf("\n");
}