main.c

著名的RF射频芯片nRF2401应用程序

#include <stdio.h>
#include <iom8v.h>
#include <macros.h>
#include "config.h"
unsigned char hz0[65]={"智能家电控制系统                输入                            "};
unsigned char KeyFlag=0;
uchar zhishi=123;
unsigned char KeyI[3];
extern uchar TxBuf[],RxBuf[];

void main(void)
{ uchar KeyValue,kk,detect;
  uint i;
  init_devices();
  screen(hz0);
  
   // display_int(KeyI,0x88,3);
     
   while(1)
  { 
    RfRecvProc();  
	if(KeyFlag==1)
	{
	 KeyFlag=0;
	 KeyValue=KeyI[2];
	}	
	// displayint(0x9d,KeyValue);
	 
   switch(KeyValue)        
   {
    case 112:kk=0;  displayint(0x98,kk);
	                nrf2401A_SendData();
					delay(2000);
					nrf2401A_RxOn();
	                KeyValue=0; break;
    case 105:kk=1;displayint(0x98,kk);
	              display_int(RxBuf,0x80,12);KeyValue=0;break;
	case 114:kk=2;displayint(0x98,kk);
	              display_int(RxBuf+12,0x80,12);KeyValue=0;break;
	case 122:kk=3;displayint(0x98,kk);KeyValue=0;break;
	case 107:kk=4;displayint(0x98,kk);zhishi++;
	               displayint(0x9a,zhishi);
				   nrf2401A_WR(0xa5);
	               KeyValue=0;break; 
	                                                       
	case 115:kk=5;displayint(0x98,kk);
	               zhishi=nrf2401A_RD();
				   displayint(0x9a,zhishi);
				   KeyValue=0;break;
	case 116:kk=6;displayint(0x98,kk);KeyValue=0;break;
	case 108:kk=7;displayint(0x98,kk);KeyValue=0;break;
	case 117:kk=8;displayint(0x98,kk);KeyValue=0;break;
	case 125:kk=9;displayint(0x98,kk);KeyValue=0;break;
	case 90: kk='k'; KeyValue=0;           
	                 lcd_write_comm(0x98);
	                 lcd_write_data('k');
	               break;
	default :KeyValue=0;break;
   }  
  
  
  }
}
  
  
#pragma interrupt_handler int0_isr:2
void int0_isr(void)
{
 static unsigned char IntNum=0,index=0;
 
   if((IntNum>0)&&(IntNum<9))
      {
       KeyI[index]>>=1;
       if(PINB&0x80)
       KeyI[index]|=0x80;     
       }
	   
  IntNum++;
  // while (!Key_CLK); //等待PS/2CLK拉高            use??????
  if(IntNum>10)
  {   
       IntNum=0;  
       index++;
    if(index==3)
      {
	   IntNum=0;
	   index=0; 
	   KeyFlag=1;
	  }
  }
}