cc.c

2.4G无线数传模块nrf2401的c51程序

#include <reg51.h> 
sbit led  = P2^1; 
sbit PWR_UP = P3^4; 
sbit CE  = P1^0; 
sbit CS  = P1^2; 
sbit DR1 = P3^2; 
sbit CLK = P1^3; 
sbit DATA = P3^1; 
sbit k=P2^0;
void delay(int dly) 
{
  int count;   
  while(dly!=0) {
     count=5;
    while(count>0)   
      count--;     
  dly--; }       
}                
void clock()
{                                       
  CLK=0;
  delay(1);
  CLK=1;
  delay(1);
  CLK=0;
  delay(1);
}


void Transmit(int address,int payload)
{int i=0;
      PWR_UP=1;
    CS=0;
    CE=1;
    delay(1);
      for(i=0;i<8;i++)
        {
            if(address&0x80)
              DATA=1;
            else 
              DATA=0;
            delay(1);
              clock();
            delay(1);
            address=address << 1;

           }
       for(i=0;i<8;i++)
        {
            if(payload&0x80)
              DATA=1;
            else 
              DATA=0;
delay(1);
              clock();
delay(1);
            payload=payload << 1;

           }
      CE=0;
      delay(2);
}

              
void configuration()
{   int config_word[15]={0x08,0x08,0xCC,0xCC,0xCC,0xCC,0xE7,0xCC,0xCC,0xCC,0xCC,0xE7,0x21,0x6f,0x04};
    int i,j;
    int temp=0x00;
    PWR_UP=0;
    CS=0;
    CE=0;
    PWR_UP=1;
     delay(1);
      CS=1;
    delay(3);
  for(i=0;i<15;i++)
  {
    temp=config_word[i];
       for(j=0;j<8;j++)
       {
          if(temp&0x80)
             DATA=1;
          else
             DATA=0;
          delay(1);
          clock();
          delay(1);
          temp=temp << 1;
       }


  }
  delay(2);
        CE=0;
        CS=0;
  delay(2);
}
main()
{ int i=0;
  led=i;
  configuration();
   k=1;while(1){if(k==0)delay(5);if(k==0){Transmit(0xE7,0x08);delay(10);}}
  
}