24e1.c

发射芯片nrf24e1的控制字配置

/*=====================================================================
 * 
 * nRF24E1矿工接收卡程序
 * 2007.7.17
 * 功能：
 * 1.nRF24E1的初始化控制
 * 2.nRF24E1的数据jieshou
 *
 * 济南卓越保留版权  
 * 版本: 0.1 
 * 
 *==============================================================================*/
#include <reg24e1.h>
bit lebal  ;
unsigned char idata buf1[90];
struct RFConfig
{
    unsigned char n;
    unsigned char buf[15];
};

typedef struct RFConfig RFConfig;
RFConfig rconf =
{
    15,
    0x08, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
    0x00, 0x00, 0x00, 0x00, 0x41, 0x6f, 0x05
};

void Delay100us(volatile unsigned char n)
{
    unsigned char i;
    while(n--)
        for(i=0;i<35;i++)
            ;
}
unsigned char SpiReadWrite(unsigned char b)
{
    EXIF &= ~0x20;                  // Clear SPI interrupt
    SPI_DATA = b;                   // Move byte to send to SPI data register
    while((EXIF & 0x20) == 0x00)    // Wait until SPI hs finished transmitting
        ;
    return SPI_DATA;
}
void Init(void)
{                                   //  Port ini
    P0_ALT = 0x06;                  // Select alternate functions on pins P0.1 and P0.2,  TXD RXD 
   // P0_DIR = 0x09;                  // P0.0, P0.3 is input(S1, S2), the rest output
   // P0 = 0xF0;                      // P0.7-P0.4 = 1 for OFF LED1-LED4    
    //P1_DIR = 0x03;		   			// P1.0, P1.3 is input(S3, S4),  
    PWR_UP = 1;                     // Turn on Radio
    Delay100us(30);                 // Wait > 3ms 
    SPICLK = 0;                     // Max SPI clock (XTAL/8)
    SPI_CTRL = 0x02;                // Connect internal SPI controller to Radi
                                     //  serial communication ini
    TH1 = 0xf3;                      // 9600@16MHz (when T1M=1 and SMOD=0)
    CKCON |= 0x10;                  // T1M=1 (/4 timer clock)
    PCON = 0x00;                     // SMOD=1 (double baud rate)
    SCON = 0x52;                    // Serial mode1, enable receiver
    TMOD = 0x20;                    // Timer1 8bit auto reload 
    TCON = 0x40;                    // Start timer1      
}    
void main(void)
{
    unsigned int bn,an;
    unsigned char b ,a,c ;
    Init();
	c=1;
	lebal=0 ;
	while(1)
	{
    CS = 1;
    Delay100us(0);
	for(bn=0;bn<3000;bn++)
	{
	  an=bn;
      rconf.buf[10]=bn>>8;
	  bn=an;
	  an=bn<<8;
      rconf.buf[11]=bn>>8;
      for(b=0;b<rconf.n;b++)
        {
           SpiReadWrite(rconf.buf[b]);
        }
        CS = 0;
        CE = 1;
	    if(DR1 == 1)
	       {
		     if(lebal==0)   //数据区无数据标志
			   {
			      c=1;
				  };
             for(a=0;a<2;a++)
                 {       
	                buf1[c]= SpiReadWrite(0);
	            	c=c+1;
                 }
             lebal=1;
	        }
         CE = 0;
		 buf1[0]=c;
	 }
     if(lebal==1)//与分站单片机通信
        { 
          SBUF=0x88;
          while(TI!=0);TI=0;
		  while(RI!=0);RI=0;
		  if(SBUF==0x66)
		    { 
              SBUF=buf1[0];                  //fa song shu ju
              while(TI!=0);TI=0;
			  for(c=1;c<buf1[0]+1;c++)
			     {
				   SBUF=buf1[c];
                   while(TI!=0);TI=0;
				 }
			  lebal=0;
			}

 	    }
        else
        {
            SBUF=0x55;
            while(TI!=0);TI=0;
        };
 }
 }