请教有关nrf905的程序问题

只看该作者 · 2013-5-11 20:35

请高手帮我看看我的发送程序，到底是什么问题，一直发送不出去
#include<reg52.h>
#include<intrins.h>
#include<stdio.h>
#include <ABSACC.h>
#define uchar unsigned char
#define uint unsigned int
//*******************定义命令字**********************
#define WC 0x00       // Writeconfigurationregistercommand
#define RC 0x10       //Read configurationregistercommand
#define WTP 0x20    //WriteTXPayload command
#define RTP 0x21    //Read TXPayload command
#define WTA 0x22    //WriteTXAddress command
#define RTA 0x23
#define RRP 0x24
//---------------------------------------------------------------
#define BYTE_BIT0  0x01
#define BYTE_BIT1  0x02
#define BYTE_BIT2  0x04
#define BYTE_BIT3  0x08
#define BYTE_BIT4  0x10
#define BYTE_BIT5  0x20
#define BYTE_BIT6  0x40
#define BYTE_BIT7  0x80

bdata unsigned  char DATA_BUF;
#define DATA7 ((DATA_BUF&BYTE_BIT7) != 0)
#define DATA0 ((DATA_BUF&BYTE_BIT0) != 0)
sbit flag=DATA_BUF^7;
sbit flag1=DATA_BUF^0;
//*******************管脚配置*********
//SPI口定义
sbit MOSI=P1^4;
sbit CSN=P1^5;
sbit SCK=P3^1;
sbit MISO=P3^0;
//配置口
sbit TRX_CE=P1^6;
sbit TXEN=P1^0;
sbit PWR=P1^1;
//状态口
sbit DR=P1^3;
sbit CD=P1^2;
sbit AM=P1^7;

sbit K1=P2^4;
//sbit K2=P2^5;
//sbit K3=P2^6;
//sbit K4=P2^7;

sbit LED1=P0^0;
sbit LED2=P0^1;
sbit LED3=P0^2;
//sbit d4=P0^3;
//uchar tf;
uchar TxRxBuf[4]={0x31,0x32,0x33,0x34};
uchar TxAddress[4]={0xE7,0xE7,0xE7,0xE7};

uchar RFConf[11]={0x00,0x4C,0x0E,0x44,0x04,0x04,0xE7,0xE7,0xE7,0xE7,0xDE};
//------------------------------------------------
void Delay(uint x)
{
uint i;
for(i=0;i<x;i++)
{
_nop_();
}
}
//----------------------------------100us延时子程序-----------------------------
/*void Delay(uint x)
{
uint i;
while(x--)
for(i=0;i<80;i++);
} */
//=================================================SPI读函数=======================================================
unsigned char SpiRead(void)
{
   uchar i;
for (i=0;i<8;i++)
{
      DATA_BUF=DATA_BUF<<1;
SCK=1;
if (MISO) //读取最高位，保存至最末尾，通过左移位完成整个字节
{
DATA_BUF|=BYTE_BIT0;
}
else
{
DATA_BUF&=~BYTE_BIT0;
}
SCK=0;
   }
   return DATA_BUF;
}
//=========================NRF905 SPI读写函数（IO模拟SPI时序）==================
void SpiWrite( uchar send)
{
unsigned char i;
DATA_BUF=send;
for (i=0;i<8;i++)
{
if (((DATA_BUF&0x80) != 0)) //总是发送最高位
      {
      MOSI=1;
   }
else
   {
      MOSI=0;
   }
SCK=1;
DATA_BUF=DATA_BUF<<1;
SCK=0;
}
}
//------------------------------初始化nRF905///////////////////
void nRF905Init(void)
{
CSN=1;    // Spi disable
SCK=0;       // Spi clock line init low
DR=0;          // Init DR for input
AM=0;          // Init AM for input
CD=0;       // Init CD for input
PWR=1;       // nRF905 power on
TRX_CE=0;    // Set nRF905 in standby mode
TXEN=0;    // set radio in Rx mode
}
////////初始化寄存器
void Config905(void)
{
uchar i;
CSN=0;                   // Spi enable for write a spi command
for (i=0;i<11;i++)       // Write configration words  写放配置字
{
   SpiWrite(RFConf[i]);
}
CSN=1;                   // Disable Spi
}
//--------------------------------------------------
  void TxPacket(void)
{
uchar i;
TXEN=1;
CSN=0;
SpiWrite(WTP);
for(i=0;i<4;i++)
{
SpiWrite(TxRxBuf[i]);
}
   CSN=1;
_nop_();_nop_();
CSN=0;
SpiWrite(WTA);
for(i=0;i<4;i++)
{
   SpiWrite(TxAddress[i]);
}

CSN=1;
_nop_();_nop_();
TRX_CE=1;
Delay(50);
TRX_CE=0;
while(!DR);
}

//-------------------------------------------------
void Set_TxMode()
{
PWR=1;          // PWR_UP TRX_CE TXEN MODE
TRX_CE=0;          // 1 1 1SHOCKBURSTTX
TXEN=1;
Delay(2000);       //timeustbe>=650us
}
//-----------------------------------------------------
void main()
{
nRF905Init();
Config905();
K1=1;
LED1=1;
LED2=1;
LED3=1;
while(1)
{
Set_TxMode();
if(K1==0)
{ Delay(10);
if(K1==0)
{
LED1=0;
Delay(1000);
LED1=1;
Delay(1000);

TxPacket();

Delay(200);
LED2=0;
Delay(1000);
LED2=1;
Delay(1000);
}
else
   { LED3=0;Delay(1000);LED3=1;Delay(1000); }
}
}

}

只看该作者 · 2013-5-13 12:41

只搞过RF2401的悄悄路过

只看该作者 · 2013-5-19 00:35

#include <reg52.h>
#include <fasong.h>
#include <intrins.h>

#define uint unsigned int
#define uchar unsigned char

uchar data tx_buf[4] = {0x29,0x00,0x00,0x00};

//----------------------------------------NRF905工作模式控制端口------------------------------------------------------
sbit TXEN = P2^4;
sbit TRX_CE = P3^2;
sbit PWR = P2^3;
//----------------------------------------NRF905 数据交换端口---------------------------------------------------
sbit MISO = P2^6;
sbit MOSI = P2^1;
sbit SCK = P2^5;
sbit CSN = P2^0;
//----------------------------------------nrf905状态端口---------------------------------------------------------
sbit AM    = P2^7;
sbit DR    = P3^3;
sbit CD    = P2^2;
//------------------------------------------------NRF905寄存器配置------------------------------------------------
unsigned char idata RFConf[11]=
{
  0x00,                            //配置命令//
  0x6c,                            //CH_NO,配置频段在433.2MHZ
  0x0c,                            //输出功率为10db,不重发，节电为正常模式
  0x44,                            //地址宽度设置，为4字节
  0x04,0x04,                      //接收发送有效数据长度为4字节
  0xE7,0xE7,0xE7,0xE7,             //接收地址
  0xDE                            //CRC充许，16位CRC校验，外部时钟信号使能，16M晶振
};
//延时函数
void delay(uint ms)
{
  uint j;
  while(ms--)
  {
for(j=115;j>0;j--);
  }
}
//SPI写函数
void WriteSPI(uchar d)
{
  uchar i=8;
  while(i--)
  {
delay(1);
SCK = 0;
MOSI = (bit)(d&0x80);
d<<=1;
delay(1);
SCK = 1;
delay(1);
SCK = 0;
  }
  SCK = 0;
}
//数据发送
void Send_nRF905(void)
{
  TXEN = 1; //enable  TX
  CSN = 0; //wait cmd
  WriteSPI(0x22);
  WriteSPI(0xE7);
  WriteSPI(0xE7);
  WriteSPI(0xE7);
  WriteSPI(0xE7);
  CSN = 1;  //close SPI
  _nop_();
  _nop_();
  CSN = 0;  // Transmission Data
  WriteSPI(0x20);
  WriteSPI(tx_buf[3]);
  WriteSPI(tx_buf[2]);
  WriteSPI(tx_buf[1]);
  WriteSPI(tx_buf[0]);
  CSN = 1; // close SPI
  _nop_();
  _nop_();
  TRX_CE = 1;  //enter TX mode star RF_TX
  delay(5);
  TRX_CE = 0;
  while(!DR);
}
//初始化nRF905
void Init_nRF905(void)
{
  uchar i;
  CSN = 1;
  SCK = 0;
  PWR = 1;
  TRX_CE = 0;
  TXEN = 0;
  _nop_();
  CSN = 0;
  for(i=0;i<11;i++)
  {
WriteSPI(RFConf[i]);
  }
  CSN = 1;
  PWR = 1;
  delay(100);
}
我用的程序，已成功，你可以参考一下