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,pp[20];


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)
{	 Port_IO_Init();
Oscillator_Init();
   EMI_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 xdata KeyValue,keyValue,i=0,j;								  
	unsigned char xdata msg[2],h=0;
	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(j=0;j<8;j++)
   	ZLG7290_Download(j, 0, 0, 31);
	
	for(j=0;j<8;j++)		
   I2C_Gets(0x50,0x00,2,row,8); 
	for(j=0;j<8;j++)
  	ZLG7290_Download(j, 0, 0, row[j]);
	
 
    for (;;)						 
	{
		if ( p00==0)		
		{
		
			p00= 1;
	
			ZLG7290_ReadReg(ZLG7290_Key,&KeyValue);
		    keyValue=valuedeal[KeyValue-1];			
            
		 pp[i++]=keyValue;
	 I2C_Puts(0x50,0x00,2,pp,i);
		  ZLG7290_Download(i-1, 0, 0, pp[i-1]);
	   }
	}	    }