键盘字母.c

c8051最小系统板的个部分调试

/*
	ZLG7290演示程序
*/

#include "I2C.h"
#include "ZLG7290.h"
#include "KSzong.h"
#include "zixing.h"
#include<stdio.h>
sbit p00=P0^0;	
unsigned char idata row[20],p=0;


void EMI_Init()
{
    SFRPAGE   = EMI0_PAGE;
    EMI0CF    = 0x37;
}
void Oscillator_Init()
{
    SFRPAGE   = CONFIG_PAGE;
    OSCICN    = 0x83;
}


void Port_IO_Init()
{
    

    SFRPAGE   = CONFIG_PAGE;
	 P4MDOUT   = 0xE0;

    XBR1      = 0x04;
    XBR2      = 0x40;
}


void Init_Device(void)
{	Oscillator_Init();
    EMI_Init();
    Port_IO_Init();
}
	
//定义键盘p12=0表示有键按下





/*
函数：SystemInit()
功能：系统初始化
*/
void systemInit()
{
	WDTCN=0xde;
	WDTCN=0xad;
	Init_Device( );
	I2C_Init();
	
	Delay_x10ms(300);		
    LCD_Initial();
	 LCD_CLR(Right);         
     LCD_CLR(Left);}

  void display(unsigned char p)
 { 	unsigned char idata k=0;
      
	   LCD_CLR(Right);         // 清屏 //
       LCD_CLR(Left);
       for (;k<p/2;k++)
          {  if        (k>7)
                        LCD_Num( 4,8*k-64, 0,  xianshi[row[2*k]][row[2*k+1]], 2);
      	     else       LCD_Num( 4,   8*k, 0,  xianshi[row[2*k]][row[2*k+1]], 1);
		  }
  }



void main()

{	unsigned char  KeyValue,keyValue,i=0,j;								  
	unsigned char msg[2];
	unsigned char code valuedeal[28]={88,12,11,10,0,0,0,0,77,9,8,7,0,0,0,0,66,6,5,4,0,0,0,0,55,3,2,1};
   	
	systemInit();		
	 
	
   

   
	
 
    for (;;)						 
	{
		if ( p00==0)		
		{
		
			p00= 1;
	
			ZLG7290_ReadReg(ZLG7290_Key,&KeyValue);
		    keyValue=valuedeal[KeyValue-1];			
            ZLG7290_Download(i, 0, 0, keyValue);
			
		switch (keyValue)
			{ case 55 : {  i=0;}   break;
			  case 66 : {  i=0;if(p>=2) p=p-2;display(p);}    break;
			  case 77 : {  i=0;}     break;
			  case 88 : {  i=0;}   break;
			 default:     {  if(p>19) break;
			                msg[i++]=keyValue; 
							
			                if(i==1) for(j=0;j<3;j++)
							      	 { 
									   if(j<2)
										     { LCD_Num( 0,32*j, 0,  xianshi[j][0], 1) ;
									    
									          LCD_Num( 0,32*j+8, 0,  Table_dp, 1) ;

								              LCD_Num( 0,32*j+16, 0,  xianshi[msg[0]-1][j], 1) ; 
								  
								              LCD_Num( 0,32*j+24, 0,  Table_blk, 1) ;
									         }
									  else   { LCD_Num( 0,0, 0,  xianshi[j][0], 2) ;
									    
									          LCD_Num( 0,8, 0,  Table_dp, 2) ;

								              LCD_Num( 0,16, 0,  xianshi[msg[0]-1][j], 2) ; 
								  
								              LCD_Num( 0,24, 0,  Table_blk, 2) ;	
											  }
									 }	
								    
			                if(i==2){ 	    i=0;

						            if  (keyValue<=3&&keyValue!=0)
									   	{ if(p<=19)  
										  {row[p++]=msg[0]-1;
										  row[p++]=msg[1]-1;
										  display(p); }
								   
			                             

}				}	}	}	}	}	    }