800.c

无线通信效果受周围环境

//**************************************************************
//                          无线手持竞赛系统——手持器
//                                
//**************************************************************
#include <iom16v.h>
#include <macros.h>

#define SET(a,b) a|=(1<<b) 		//****按位或   
#define CLR(a,b) a&=~(1<<b)		//****按位与，取反
#define CPL(a,b) a^=(1<<b)		//****按位异或
#define CHK(a,b) (a&(1<<b)==(1<<b))
#define OSET(a,b,c) {a|=(1<<c);  b|=(1<<c);}
#define OCLR(a,b,c) {a&=~(1<<c); b|=(1<<c);}
#define OCPL(a,b,c) {a^=(1<<c);  b|=(1<<c);}

#define MHZ 8
#define uint unsigned int
#define uchar unsigned char
#define RX_ADDRESS           0x12345678               //接收有效地址(本方)

#include "delay.H"

#include "SPI.H"
#include "config.H"
#include "nrf905.H"

void spi_init(void)//SPI口的初始化
{uchar temp;
 SPCR = 0x51; //不使用SPI中断,其它同上
 SPSR = 0x00; //setup SPI
 temp = SPSR; //
 temp = SPDR; //清空SPI，和中断标志，使SPI空闲    
}

void fasong(void)
{
	while(1)
	{nrf905_StandBy();
	delay_ms(10);
	TxBuf[0]=0x03;
	TxBuf[1]=0x02;
	nrf905_SetData(WTP,SIZE); 
    nrf905_TxOn();            
	delay_ms(10);
	nrf905_StandBy();
	}
		}
	
void main(void)
{
   uint i;       //初始化
   uchar j,m;
   SPI_init_M();
   spi_init();
   nrf905_Init();            //nrf905_SetTxAdd();
   nrf905_SetTxAdd();        //写对方地址
  SREG=SREG|0x80;	
  fasong();
   while(1);
}