[绝对原创] 2.4G通讯 nrf2401A(PTR4000模块) 程序源代码

我爱因仑风 · 发表于 2016-4-20 22:36:33

讯通肯定不喜欢我了：）

这次调试比较痛苦，因为2401A发送没有任何的指示，根本没法判断问题，必须发送板和接收板程序都要通过才能知道程序对了。

我在楼道里面，使用250KBps，可以到40米，没有正式到楼下拉距离测试。

还是ICCAVR环境 MEGA16L＋11.0592M

点击此处下载armok01113426.rar

为什么上一贴内容自动加上了呢？中文提示还乱码。。。。

贴个主要模块的代码，好参考：

#include "config.h"

extern void DelayMs(uchar ms);

extern void DelayUs(uint us);

//×¢Òâ£º

//1¡¢nef2401AÅäÖÃ×ÖÊÇÏÈÐ´µÚ15×Ö½ÚµÄ£¡£¡

//2¡¢·¢ËÍºóÒªÑÓÊ±µÈ·¢ËÍ½áÊøºó²ÅÄÜ×ª»Ø½ÓÊÕÄ£Ê½£¬·ñÔòÊý¾Ý·¢ËÍ²»³ö

#define SIZE 25    //×î´óÊý¾Ý°ü³¤¶È 32-ADDR4-CRC2=26Byte

#define ADDRSIZE 4  //µØÖ·³¤¶ÈByte

#define CH_NO 2    //Æµ¶Î±àºÅ

#define BPS_1M    //±àÒë¿ØÖÆ£º1M or 250Kbps

uchar TxBuf[SIZE],RxBuf[SIZE];

/*-------------------------------------------------------------------------------------------

nrf2401AÅäÖÃ¼Ä´æÆ÷ºê¶¨Òå

nrf2401AÅäÖÃ¼Ä´æÆ÷(15Byte)

¹¤×÷ÆµÂÊf=2.4G+CH_NO*1MHz

-------------------------------------------------------------------------------------------*/

#define RX_ADDRESS          0xCCCCCCCC             //½ÓÊÕÓÐÐ§µØÖ·(±¾·½)

#define TX_ADDRESS          0xCCCCCCCC             //·¢ËÍÓÐÐ§µØÖ·(¶Ô·½)

#define CH_NO_FREQ          CH_NO<<1                //¹¤×÷Æµ¶Î    Byte1.7-2

#define RX_EN                               1                                                 //½ÓÊÕ·¢ËÍÇÐ»» Byte1.0 1½ÓÊÕ 0·¢ËÍ

#define RX2EN_YES          128                      //µÚ2½ÓÊÕÍ¨µÀÊ¹ÄÜ1 Byte2.7

#define RX2EN_NO          0                      //µÚ2½ÓÊÕÍ¨µÀÊ¹ÄÜ0 Byte2.7

#define CM_SHOCK          64                      //ÊÕ·¢Ä£Ê½ShockBurst  Byte2.6

#define CM_DIRECT          0                      //ÊÕ·¢Ä£Ê½DirectMode  Byte2.6

#define RFDR_1M             32                      //¿ÕÖÐBaud=1M       Byte2.5

#define RFDR_250K          0                      //¿ÕÖÐBaud=250K    Byte2.5

#define XOF_20MHz          4*4                      //¾§ÌåÕñµ´Æ÷ÆµÂÊ20MHz Byte2.4~2

#define XOF_16MHz          3*4                      //¾§ÌåÕñµ´Æ÷ÆµÂÊ16MHz

#define XOF_12MHz          2*4                      //¾§ÌåÕñµ´Æ÷ÆµÂÊ12MHz

#define XOF_8MHz          1*4                      //¾§ÌåÕñµ´Æ÷ÆµÂÊ8MHz

#define XOF_4MHz          0*4                      //¾§ÌåÕñµ´Æ÷ÆµÂÊ4MHz

#define PA_PWR_0                0                      //Êä³ö¹¦ÂÊ-20dBm    Byte2.1~0

#define PA_PWR_1                1                      //Êä³ö¹¦ÂÊ-10dBm

#define PA_PWR_2                2                      //Êä³ö¹¦ÂÊ-5dBm

#define PA_PWR_3                3                      //Êä³ö¹¦ÂÊ 0dBm

#define ADDR_W                               (ADDRSIZE<<5)                         //µØÖ·Î»Êý                         Byte3.7~2

#define CRC_MODE_16BIT    2                      //CRC16Ä£Ê½          Byte3.1    1

#define CRC_MODE_8BIT       0                      //CRC8Ä£Ê½          Byte3.1

#define CRC_EN             1                      //CRCÊ¹ÄÜ          Byte3.0    1

#define CRC16_EN          3                      //CRC16Ä£Ê½Ê¹ÄÜ

#define CRC8_EN             1                      //CRC8Ä£Ê½Ê¹ÄÜ

#define RX_ADDRESS_0       RX_ADDRESS & 0xff       //Í¨µÀ1½ÓÊÕÓÐÐ§µØÖ·µÚ1×Ö½Ú Byte4

#define RX_ADDRESS_1       (RX_ADDRESS >> 8) & 0xff  //Í¨µÀ1½ÓÊÕÓÐÐ§µØÖ·µÚ2×Ö½Ú Byte5

#define RX_ADDRESS_2       (RX_ADDRESS >> 16) & 0xff //Í¨µÀ1½ÓÊÕÓÐÐ§µØÖ·µÚ3×Ö½Ú Byte6

#define RX_ADDRESS_3       RX_ADDRESS >> 24       //Í¨µÀ1½ÓÊÕÓÐÐ§µØÖ·µÚ4×Ö½Ú Byte7

#define RX_ADDRESS_4       0                                     //Í¨µÀ1½ÓÊÕÓÐÐ§µØÖ·µÚ5×Ö½Ú Byte8



#define RX_ADDRESS2       0                                                 //Byte9,10,11,12,13×Ö½ÚÎªÍ¨µÀ2½ÓÊÕµØÖ·

#define DATA1_W                               SIZE*8                                        //½ÓÊÕÍ¨µÀ1Êý¾Ý°ü³¤¶È£¬Bit¼ÆËã Byte14

#define DATA2_W                               SIZE*8                                        //½ÓÊÕÍ¨µÀ2Êý¾Ý°ü³¤¶È£¬Bit¼ÆËã Byte15

#define TX_ADDRESS_4                0                                                 //·¢ËÍÓÐÐ§µØÖ·µÚ5×Ö½Ú

#define TX_ADDRESS_3       TX_ADDRESS >> 24       //·¢ËÍÓÐÐ§µØÖ·µÚ4×Ö½Ú

#define TX_ADDRESS_2       (TX_ADDRESS >> 16) & 0xff //·¢ËÍÓÐÐ§µØÖ·µÚ3×Ö½Ú

#define TX_ADDRESS_1       (TX_ADDRESS >> 8) & 0xff  //·¢ËÍÓÐÐ§µØÖ·µÚ2×Ö½Ú

#define TX_ADDRESS_0       TX_ADDRESS & 0xff       //·¢ËÍÓÐÐ§µØÖ·µÚ1×Ö½Ú

//Ð´1Byte

void nrf2401A_WR(uchar val)

{uchar temp,i;

  //MSB first ¸ßÎ»¿ªÊ¼,ÏÈÊä³öDATA£¬È»ºóCLK_Up£¬ÔÙCLK_Dn

  SET(DDRA,DATA);//ÖÃDATAÊä³ö

  temp=val;



  for (i=0;i<8;i++)

  {

if ((temp&0x80)>0)

      SET(PORTA,DATA);

      else

         CLR(PORTA,DATA);



      NOP();

      SET(PORTA,CLK);

      NOP();

      CLR(PORTA,CLK);



      temp=temp<<1;

  }

}

//¶Á1Byte

uchar nrf2401A_RD()

{uchar temp,i;

  //MSB first ¸ßÎ»¿ªÊ¼,ÏÈ¶ÁÈëDATA£¬È»ºóCLK_Up£¬ÔÙCLK_Dn

  CLR(DDRA,DATA);//ÖÃDATAÊäÈë

  temp=0;



  for (i=0;i<8;i++)

  {

temp=temp<<1;

if ((PINA&(1<<DATA))>0)

   temp=temp|1;



      NOP();

      SET(PORTA,CLK);

      NOP();

      CLR(PORTA,CLK);

  }



      return temp;

}

//PwrDown->StandBy

void nrf2401A_StandBy()

{

SET(PORTA,PWR2);

CLR(PORTA,CE);

CLR(PORTA,CS);

}

//->PwrDown

void nrf2401A_Off()

{

  CLR(PORTA,PWR2);

  CLR(PORTA,CE);

  CLR(PORTA,CS);

}

//ÅäÖÃÄ£Ê½

void nrf2401A_RwOn()

{

  SET(PORTA,PWR2);

  CLR(PORTA,CE);

  SET(PORTA,CS);

}

//¹¤×÷Ä£Ê½

void nrf2401A_Run()

{

  SET(PORTA,PWR2);

  CLR(PORTA,CS);//first

  SET(PORTA,CE);

}

//ÅäÖÃnRF2401A

void nrf2401A_Config(void)

{

nrf2401A_RwOn();//ÅäÖÃ×´Ì¬

nrf2401A_WR(DATA2_W);

nrf2401A_WR(DATA1_W);

nrf2401A_WR(RX_ADDRESS2);

nrf2401A_WR(RX_ADDRESS2);

nrf2401A_WR(RX_ADDRESS2);

nrf2401A_WR(RX_ADDRESS2);

nrf2401A_WR(RX_ADDRESS2);

nrf2401A_WR(RX_ADDRESS_4);

nrf2401A_WR(RX_ADDRESS_3);

nrf2401A_WR(RX_ADDRESS_2);

nrf2401A_WR(RX_ADDRESS_1);

nrf2401A_WR(RX_ADDRESS_0);

nrf2401A_WR(CRC16_EN|ADDR_W);//CRC16,AddrWidth

#ifdef BPS_1M

nrf2401A_WR(PA_PWR_3|XOF_16MHz|RFDR_1M|CM_SHOCK);//0dbm,16M,1Mbps,ShockBurst

#else

nrf2401A_WR(PA_PWR_3|XOF_16MHz|CM_SHOCK);//0dbm,16M,250Kbps,ShockBurst

#endif

nrf2401A_WR(CH_NO_FREQ|RX_EN); //RxMode,Chan

nrf2401A_StandBy();//Ö´ÐÐÅäÖÃ

}

//½ÓÊÕÄ£Ê½

void nrf2401A_RxOn()

{

nrf2401A_RwOn();

nrf2401A_WR(CH_NO_FREQ|RX_EN); //RxMode,Chan

nrf2401A_Run();

}

//·¢ËÍÄ£Ê½

void nrf2401A_TxOn()

{

nrf2401A_RwOn();

nrf2401A_WR(CH_NO_FREQ); //TxMode,Chan

nrf2401A_Run();

}

//³õÊ¼»¯nrf2401A

void nrf2401A_Init()

{

CLR(PORTA,CLK);//

nrf2401A_StandBy();

DelayMs(10);//!!!must >3ms

nrf2401A_Config();

nrf2401A_RxOn();//½ÓÊÕ×´Ì¬

}

//Ð´TxµØÖ·

void nrf2401A_SetTxAddr()

{

  nrf2401A_WR(TX_ADDRESS_3);

  nrf2401A_WR(TX_ADDRESS_2);

  nrf2401A_WR(TX_ADDRESS_1);

  nrf2401A_WR(TX_ADDRESS_0);



}

//Ð´TxÊý¾Ý

void nrf2401A_SetData()

{uchar i;



  for (i=0;i<SIZE;i++)

nrf2401A_WR(TxBuf);



}

//·¢ËÍTxBufÖÐµÄÊý¾Ý

void nrf2401A_SendData()

{

nrf2401A_TxOn();

SET(PORTA,CE);

nrf2401A_SetTxAddr();//Ð´·¢ËÍµØÖ·

nrf2401A_SetData();//Ð´Êý¾Ý

CLR(PORTA,CE);//Æô¶¯·¢ËÍ

//·¢ËÍÍê±Ïºó½øÈëStandBy

}

//¶Á³ö½ÓÊÕµ½µÄÊý¾Ý

void nrf2401A_ReadData()

{uchar i;

for (i=0;i<SIZE;i++)

   {

         RxBuf=nrf2401A_RD();

      }



}
再传个资料试试：

PTR4000模块PDF：

点击此处打开armok01113449.pdf

nrf2401A英文PDF：

点击此处打开armok01113450.pdf