fasong.txt

keil nrf905测试发送程序

：经过晚上的测试 ，收发是没有什么太大的问题的，下一步继续测试。。。 
  下面是发送部分的代码： 
#include<reg51.h> 
#include <ABSACC.h> 
#include <intrins.h> 
#include <stdio.h> 


#define  uchar unsigned char  
#define uint unsigned int  
sbit Led1=P2^0; 
sbit Led2=P2^1; 
sbit Key=P3^7; 
uchar count=19; 
uchar code table[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d, 
                        0x07,0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71}; 

//---------------------------------------------------------------------------------------------------------------- 
#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; 
//---------------------------------------------------发送数据缓冲区------------------------------------------------- 
#define TxRxBuf_Len 4 
unsigned char TxRxBuf[TxRxBuf_Len]= 
{ 
0x29,0x30,0x31,0x32, 
}; 

//---------------------------------------------------配置口定义--------------------------------------------------- 
sbit        TXEN=P1^0; 
sbit        TRX_CE=P3^2; 
sbit        PWR=P1^1; 
sbit        MISO=P1^6; 
sbit        MOSI=P1^5; 
sbit        SCK=P1^7; 
sbit        CSN=P1^3; 
//---------------------------------------------------NRF905状态IO---------------------------------------------------- 
sbit        AM=P1^4; 
sbit        DR=P3^3; 
sbit        CD=P1^2; 
//-------------------------------------------------------nrf905控制指令------------------------------------------- 
#define WC                0x00 
#define RC                0x10 
#define WTP                0x20 
#define RTP                0x21 
#define WTA                0x22 
#define RTA                0x23 
#define RRP                0x24 

void keyscan(); 
//------------------------------------------------NRF905寄存器配置------------------------------------------------ 
unsigned char idata RFConf[11]= 
{ 
  0x00,                             //配置命令// 
  0x4c,                             //CH_NO,配置频段在423MHZ 
  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32字节 
  0xCC,0xCC,0xCC,0xCC,              //接收地址 
  0x58,                              //CRC充许，8位CRC校验，外部时钟信号不使能，16M晶振 
}; 
bit lcdbit; 
code TxAddress[4]={0xcc,0xcc,0xcc,0xcc}; 
//------------------------------------------------延时------------------------------------------------------------ 
static void Delay(uchar n) 
{ 
        uint i; 
        while(n--) 
        for(i=0;i<80;i++) 
        keyscan(); 
} 
//-------------------------------------------------SPI写函数---------------------------------------------------------- 
void SpiWrite(unsigned char send) 
{ 
        unsigned char i; 
        DATA_BUF=send; 
        for (i=0;i<8;i++) 
        { 
                if (DATA7)        //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 
        //SpiWrite(WC);                                // Write config command写放配置命令 
        for (i=0;i<11;i++)        // Write configration words  写放配置字 
        { 
           SpiWrite(RFConf[i]); 
        } 
        CSN=1;                                        // Disable Spi 
} 
//-----------------------------------------------------发送数据打包--------------------------------------------------- 
void TxPacket(uchar *TxRxBuf) 
{ 
        uchar i; 
        //Config905(); 
        CSN=0; 
        SpiWrite(WTP);                                // Write payload command 
        for (i=0;i<4;i++) 
        { 
                SpiWrite(TxRxBuf[i]);                // Write 32 bytes Tx data 
        }// Spi enable for write a spi command 
        CSN=1; 
        Delay(1);                                                // Spi disable 
        CSN=0;                                                // Spi enable for write a spi command 
        SpiWrite(WTA);                                // Write address command 
        for (i=0;i<4;i++)                        // Write 4 bytes address 
        { 
                SpiWrite(TxAddress[i]); 
        } 
        CSN=1;                                                // Spi disable 
        TRX_CE=1;                                        // Set TRX_CE high,start Tx data transmission 
        Delay(1);                                        // while (DR!=1); 
        TRX_CE=0;                                        // Set TRX_CE low 
} 
//----------------------------------------------------------设置发送状态--------------------------------------------- 
void SetTxMode(void) 
{ 
        TRX_CE=0; 
        TXEN=1; 
        Delay(1);                                         // delay for mode change(>=650us) 
} 
//----------------------------------------------------------------------------------------------------------------- 

void delay50ms() 
{ 
        uchar i,j; 
        for(i=5;i>0;i--) 
          for(j=200;j>0;j--) 
          keyscan(); 
} 
//------------用于按键销抖-------------------------------------------------------------------------------------- 
void delay10ms() 
{ 
        uchar i,j; 
        for(i=50;i>0;i--) 
         for(j=50;j>0;j--) 
         keyscan(); 
} 
//--------------------------------显示子函数-------------------------------------------------------------------------- 
void display() 
{ 
        uchar highcount,lowcount; 
        highcount=count%10; 
        lowcount=count/10; 
        P0=table[highcount]; 
        Led1=1; 
        Led2=0; 
        delay50ms(); 

        P0=table[lowcount]; 
        Led1=0; 
        Led2=1; 
        delay50ms(); 
} 
//------------------------按键扫描--------------------------------------------------- 
void keyscan() 
{ 
        if(Key==0) 
        { 
                delay10ms(); 
                if(Key==0) 
                { 
                        count++; 
                        if(count==100) 
                        {count=0;} 
                        while(Key==0); 
                } 
        } 
} 
//----------------主函数------------------------------------------------- 
//-------------------------------------------------------------------------------------------------- 
void main() 
{ 
        uchar i,j; 
    nRF905Init();//初始化nRF905 
    Config905();//初始化nRF905寄存器 
        while(1) 
        { 
                keyscan(); 
                for(j=20;j>0;j--) 
                { 
                        display(); 
                } 
                TxRxBuf[0]=count; 
                TxRxBuf[1]=count; 
                TxRxBuf[2]=count; 
                TxRxBuf[3]=count;     
                for(i=0;i<2;i++) 
                { 
                        SetTxMode();// Set nRF905 in Tx mod 
                        TxPacket(TxRxBuf);// Send data by nRF905 
                } 
        } 
}