main.c

Keil for Arm Philip2124系列

		
#include "InAndout.h"
#include "LPC21xx.H"
#include "lcd.h"

extern struct LCD g_lcd;

extern void ShowND( unsigned long data );
extern void InitTime(void);
extern void BeginSet(void);
extern void EndSet(void);
extern int  IsSetting(void);
extern void lcd_init(void);
extern void SetCursor( int direction );
extern void Show( int Flag );
extern void DisText( uint8 addr , uint8* p );

void SendDayData(void);





volatile unsigned int g_Buf[ADBUFSIZE];
volatile unsigned int g_CurrentIndex = 0 ;

volatile unsigned char g_band;

volatile int indexOfBuf = 0;
volatile int ADConvert = 1;




void Init()
{      
}


void Delay( int dly )
{
    int i,j;
    for ( i = 0 ; i < dly ; i++ )
	{
	    for( j = 0 ; j < 5000; j++); 
	}
}

/*
   Methed: Scan
   To scan the key
   and to dispatch the command
*/

int Scan()
{
 
   int i;   
   PINSEL1 = 0x00;
   PINSEL0 = 0x00;
   while( 1 )
   {
    if( ( IOPIN1 & Key_1 ) == 0 )	  // key 1 is put down
	  {
	      for( i = 0; i < 50000; i++ );
		  if( ( IOPIN1 & Key_1 ) == 0 )
		  {
		     while( ( IOPIN1 & Key_1 ) == 0 );
			 return 1;
		  }
	  } 

	  if( ( IOPIN1 & Key_2 ) == 0 )
	  {
	      for( i = 0; i < 50000; i++ );
		  if( ( IOPIN1 & Key_2 ) == 0 )
		  {
		     while( ( IOPIN1 & Key_2 ) == 0 );
			 return 2;
		  }
	  } 

	  if( ( IOPIN1 & Key_3 ) == 0 )
	  {
	      for( i = 0; i < 50000; i++ );
		  if( ( IOPIN1 & Key_3 ) == 0 )
		  {
		     while( ( IOPIN1 & Key_3 ) == 0 );
			 return 3;
		  }
	  } 

	  if( ( IOPIN1 & Key_4 ) == 0 )
	  {
	      for( i = 0; i < 50000; i++ );
		  if( ( IOPIN1 & Key_4 ) == 0 )
		  {
		     while( ( IOPIN1 & Key_4 ) == 0 );
			 return 4;
		  }
	  } 

	  if( ( IOPIN1 & Key_5 ) == 0 )
	  {
	      for( i = 0; i < 50000; i++ );
		  if( ( IOPIN1 & Key_5 ) == 0 )
		  {
		     while( ( IOPIN1 & Key_5 ) == 0 );
			 return 5;
		  }
	  }

	  if( ( IOPIN1 & Key_6 ) == 0 )
	  {
	      for( i = 0; i < 50000; i++ );
		  if( ( IOPIN1 & Key_6 ) == 0 )
		  {
		     while( ( IOPIN1 & Key_6 ) == 0 );
			 return 6;
		  }
	  } 
	  if( ( IOPIN1 & Key_7 ) == 0 )
	  {
	      for( i = 0 ; i< 50000; i++ );
		  if( ( IOPIN1 & Key_7 ) == 0 )
		  {
		      while( ( IOPIN1 & Key_7 ) == 0 );
			  return 7;
		  }
	  }
   }
//   return 0;	//  never should get here!!
}

void Beep()
{
    IODIR0 |= Beep_out;
    IOSET0 |= Beep_out;
}

void Beep_off()
{
   IOCLR0 |= Beep_out;
}

/*
    A/D functions:
	Method: AD_convert
*/

unsigned int AD_convert()
{
     unsigned int val;
	 ADCR  = 0x002E0401;                     /* Setup A/D: 10-bit AIN0 @ 3MHz */
	 ADCR |= 0x01000000;                      /* Start A/D Conversion */
     do {
        val = ADDR;                            /* Read A/D Data Register */
     } while ((val & 0x80000000) == 0);       /* Wait for end of A/D Conversion */
      ADCR &= ~0x01000000;                     /* Stop A/D Conversion */
      val = (val >> 6) & 0x03FF;               /* Extract AIN0 Value */
	 if( val > ADFLUSH )
	 {
	     Beep();
	 }
	 return val;
}

/*
     Timer function:
	 Method: InitTimer  , FunProc_
*/

int g_time = 0;
int g_num = 0;
    	
void __irq Func()
{	
    int result;	   
	g_time++;
	if( g_time == 555000)
	{
	   g_time = 0;
	}
	if( g_time % 6 != 0 )
	{
	    T0IR = 0x01;
    	VICVectAddr = 0x00;	 
	    return;
	}
	if( ADConvert == 1 )
	{
		result = AD_convert();
	    ShowND( result );
	}
	result = IsSetting();
	if( result == 1 )
	{
	   if( g_num % 2 == 0)
	   {
	      Show( 1 ); 
	   }
	   else 
	   {
	      Show( 0 );
	   }
	   g_num++;
	   if( g_num==1000)
	   {
	      g_num = 1;
	   }
	}
	else
	{
	    Show( 1 );
	}
	T0IR = 0x01;
	VICVectAddr = 0x00;	 
}


void InitTimer()
{
	// set timer 0 :
	T0TC = 0;	  // Timer clear 
	T0PR = 99;   //200 per hz
	T0MCR = 0x03;  // Timer 0 mode 
	T0MR0 = 2500;
	T0TCR = 0x03;
	T0TCR = 0x01;

   	// set interrupt here
    VICIntSelect = 0x00;
	VICVectCntl0 = 0x24;
	VICVectAddr0 = (int) Func;
 	VICIntEnable |= 0x10;
}
/*
*/

void SendDayData(void)
{  
}

void SendCurrentData( void )
{	  
}

void Reset(void)
{
}

uint8 GetStr(void)	   //Get Data need to think we can not wait here!!
{
   while( ! ( U0LSR & 0x01 ) );
   return U0RBR;
}



void __irq Func_interupt(void)
{  
    uint8 ch;
	if( 1 )						 
	{
	    ch = GetStr(); 
		switch( ch )
		{
		case 0x00:
		    Reset();
		    break;
		case 0x01:
		    ADConvert = 0;
			SendDayData();
			ADConvert = 1;
		    break;
		case 0x02:
		    ADConvert = 0;
			SendCurrentData();
			ADConvert = 1;
		    break;
		}

	}  
}

/*
    UTR funtions:
	Method: InitUART 
*/

void InitUART1(void)	  // at present use UART1;
{
    PINSEL0 |= 0x0005;	  //Set UART1
	U0LCR = 0x83;		   //8 位数据位， 无奇偶 校验位， 1位停止位

	U0DLL = 97 ;         //Value Need to reset	  
	U0IER = 0x07;

    VICVectAddr1 = (int)Func_interupt;
	VICVectCntl1 = 0x12;
	VICIntEnable = 0x01;//need to reset;

} 

void SendByte( uint8 ch )
{
    U1THR = ch;
	while( ( U1LSR & 0x80 ) == 0 ) ; //wait for send over
}	  

void SendStr( uint8* pChar )
{
    while(1)
	{ 
	    if( pChar == '\0' )
		{	  
		   break;
		}
		SendByte( *pChar );
		pChar++;
	}
}




/*
    如果要求显示的数据增加：
	
	Method:  IncreaseData  
*/

void IncreaseData()
{
    SetCursor ( Flag_Value_Increase );

}
/*
     显示数据减小：

	 Method: DecreaseData()
*/

void DecreaseData()
{
    SetCursor( Flag_Value_Decrease );
}

/*
     光标左移:
	 
	 Method: MoveCurssorLeft()
*/	

void MoveCurssorLeft()
{
    SetCursor( Flag_Cursor_Move_left );
}						 
/*
     光标右移：

	 Method:  MoveCurssorRight()
*/	

void MoveCurssorRight()
{
    SetCursor( Flag_Cursor_Move_right );
}						   


int main(void)
{
   int result=1;
   lcd_init();
   InitTimer();
   InitTime();
 
   while(1)
   {
		  
       result = Scan();
	   switch( result )
	   {
	    case 1:
		    result = IsSetting();
			if( result == 1 )
			{
			    MoveCurssorLeft();		   // 光标左移
		    }
			break;
		case 2:
		    result = IsSetting();
		    if ( result == 1 )
			{
			  	MoveCurssorRight();  //光标右移	    
		    }
			break;
		case 3:
		    result = IsSetting();
			if( result == 1 )
			{
			    DecreaseData(); //数据减小
		    }
			break;
		case 4:
		    result = IsSetting();
			if( result == 1 )
			{ 
			    IncreaseData();
			}			    
		    break;
		case 5:
		    result = IsSetting();		 //设置模式 打开 与 关闭
		    if( result == 1 )
			{
			     EndSet();			   
			}
			else
			{
			    BeginSet();
			}
		    break;
		case 6:
		    Beep_off();	    
		    break;
		case 7:
		    break;
	   }
   }
//   return 0;  //Never should get here!!
 }