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#include<reg52.h>
#define WC 0x00
#define RC 0x10
#define WTP 0x20
#define RTP 0x21
#define WTA 0x22
#define RTA 0x23
#define RRP 0x24
//#define BYTE_BIT0 0x01
#define uchar unsigned char
#define uint unsigned int
unsigned char idata RFConf[11]=
{
0x00, //配置命令//
0x4c, //CH_NO,配置頻段在423MHZ
0x0c, //輸出功率為10db,不重發，節電為正常模式
0x44, //地址寬度設置，為4字節
0x03,0x03, //接收發送有效數據長度為3字節
0xCC,0xCC,0xCC,0xCC, //接收地址
0x58, //CRC充許，8位CRC校驗，外部時鐘信號不使能，16M晶振
};
unsigned char led[]={0X01,0X37,0X42,0X22,0X34,0X28,0X08,0X33,0X00,0X20};//預發送數據碼
unsigned char send_bruff[3]={0X01,0X01,0X01};
unsigned char TxAddress[4]={0xcc,0xcc,0xcc,0xcc}; //地址碼
//unsigned char rx_bruff;
bdata unsigned char DATA_BUF;
sbit flag=DATA_BUF^7;
sbit AM=P3^7; // 8
sbit CD=P3^6; // 7
sbit CSN=P1^0; //13
sbit SCK=P1^1; // 12
sbit MISO=P1^2; // 10
sbit MOSI=P1^3; // 11
sbit DR=P1^4; // 9
sbit PWR=P1^5; // 5
sbit TRX_CE=P1^6;// 4
sbit TXEN=P1^7; // 3
sbit add_n=P2^7;
sbit send=P2^6;
sbit led0 =P3^0;
sbit led1 =P3^1;
sbit led2 =P3^2;
//---------------延時--------------//
void Delay(unsigned char n)
{
unsigned int i;
while(n--)
for(i=0;i<80;i++);
}
//--------------------------------11.0592M晶振 n=100 868us 左右-------------------------------
//------------------------------------------ 毫秒延時 -----------------------------------------
void Delay_ms(uchar n)
{
unsigned int i,j,k;
for(i=0;i<n;i++)
{
for(k=0;k<5;k++)
{
for(j=0;j<200;j++);
}
}
}
//------------SPI寫操作代碼---------//
void SpiWrite(unsigned char send)
{
unsigned char i;
DATA_BUF=send;
for (i=0;i<8;i++)
{
if (flag) //總是發送最高位
{
MOSI=1;
}
else
{
MOSI=0;
}
SCK=1;
DATA_BUF=DATA_BUF<<1;
SCK=0;
}
}
//-------------初始化設置---------------//
void nRF905Init(void)
{
CSN=1; // Spi disable
SCK=0; // Spi clock line init low
DR=0; // DR=1 接收準備。DR＝0 發送準備
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
}
//----------設置配置寄存器-------//
void Config905(void)
{
unsigned char i;
CSN=0;
//SpiWrite(WC);
for (i=0;i<11;i++)
{
SpiWrite(RFConf[i]);
}
CSN=1;
}
//------------發送數據-------------//
void TxPacket()
{
unsigned char i,j;
CSN=0;
SpiWrite(WTP);
for(j=0;j<3;j++)
{
SpiWrite(send_bruff[j]); //循環3次發送3個字節
}
CSN=1;
Delay(1);
CSN=0;
SpiWrite(WTA); // Write address command
for (i=0;i<4;i++) // Write 4 bytes address
{
SpiWrite(TxAddress[i]);
}
CSN=1;
Delay(1);
TRX_CE=1;
Delay(1);
TRX_CE=0;
}
//-----------------set send mode-----------------//
void SetTxMode(void)
{
TRX_CE=0;
TXEN=1;
Delay(1); // delay for mode change(>=650us)
}
/*
//------------SPI讀操作代碼---------//
unsigned char SpiRead(void)
{
unsigned char j;
for (j=0;j<8;j++)
{
DATA_BUF=DATA_BUF<<1;
SCK=1;
if (MISO) //讀取最高位，保存至最末尾，通過左移位完成整個字節
{
DATA_BUF|=BYTE_BIT0;
}
else
{
DATA_BUF&=~BYTE_BIT0;
}
SCK=0;
}
return DATA_BUF;
}
//----------- resive mode ------------------//
void SetRxMode(void)
{
TXEN=0;
TRX_CE=1;
Delay(1); // delay for mode change(>=650us)
}
//--------------讀取RF905接收數據------------//
void RxPacket(void)
{
unsigned char i;
Delay(1);
// TRX_CE=0; // Set nRF905 in standby mode
Delay(100);
TRX_CE=0;
CSN=0; // Spi enable for write a spi command
Delay(1);
SpiWrite(RRP);
for (i = 0 ;i < 1 ;i++)
{
rx_bruff=SpiRead(); // Read data and save to buffer
}
CSN=1;
Delay(10);
TRX_CE=1;
}
//-------檢查是否有新數據傳入-----------//
unsigned char CheckDR(void) //檢查是否有新數據傳入 Data Ready
{
if (DR) //當數據完全接收DR為1
{
;
return 1;
}
else
{
return 0;
}
}
//----------數據接收------------------//
void RX(void)
{
SetRxMode(); // Set nRF905 in Rx mode
while (CheckDR()==0); //RX wait
Delay(10);
RxPacket();
Delay(10);
}
*/
//-----------------按鍵發送函數---------------------------------
void sender_bruff()
{
SetTxMode();
Delay_ms(10);
TxPacket(); //發送數據
Delay_ms(100);
}
/*
//----------------接收數據語音芯片----------------//
void led_ISD()
{
led0=1;
led1=1;
led2=1;
// rx_Buffer=0x00;
P0=0xff;
P3=0xff;
Delay(10);
P3=0x00;
}
*/
//---------------按鍵加一函數--------------------------//
void add_number(void)
{
int i,j;
if(!add_n)
{
Delay_ms(100);
while(add_n)
send_bruff[2]=led[i++];
send_bruff[1]=led[j++];
Delay(100);
if(++i<3) i=0;
}
}
//************************main function/***********************//
void main()
{
nRF905Init();
Config905();
while(1)
{
led0=1;
led1=1;
led2=1;
// DR=1; RX(); led1=0;
//if(rx_bruff==0x12) led_ISD();
if(!add_n)
add_number();
while(!send);
Delay_ms(10);
if(!send)
{
led0=0;
// DR=0;
sender_bruff();
led0=0;
led1=0;
led2=0;
Delay_ms(100);
}
}
}

復制代碼

#include<reg51.h>
#define WC 0x00
#define RC 0x10
#define WTP 0x20
#define RTP 0x21
#define WTA 0x22
#define RTA 0x23
#define RRP 0x24
#define BYTE_BIT0 0x01
#define uchar unsigned char
#define uint unsigned int
unsigned char idata RFConf[11]=
{
0x00, //配置命令//
0x4c, //CH_NO,配置頻段在423MHZ
0x0c, //輸出功率為10db,不重發，節電為正常模式
0x44, //地址寬度設置，為4字節
0x03,0x03, //接收發送有效數據長度為3字節
0xCC,0xCC,0xCC,0xCC, //接收地址
0x58, //CRC充許，8位CRC校驗，外部時鐘信號不使能，16M晶振
};
unsigned char rx_Buffer[]={0}; //用于存放接收到的數據
uchar position[3]={0xFE,0xFC,0xFB};
bdata unsigned char DATA_BUF;
sbit flag=DATA_BUF^7;
sbit AM=P3^7;
sbit CD=P3^6;
sbit CSN=P1^0;
sbit SCK=P1^1;
sbit MISO=P1^2;
sbit MOSI=P1^3;
sbit DR=P1^4;
sbit PWR=P1^5;
sbit TRX_CE=P1^6;
sbit TXEN=P1^7;
sbit send_reset =P3^4;
//---------------延時--------------//
void Delay(unsigned char n)
{
unsigned int i;
while(n--)
for(i=0;i<80;i++);
}
void Delay_ms(uchar n)
{
unsigned int i,j,k;
for(i=0;i<n;i++)
{
for(k=0;k<5;k++)
{
for(j=0;j<200;j++);
}
}
}
void Delay_us(uchar n)
{
uint i;
for(i=0;i<n;i++);
}
//------------SPI寫操作代碼---------//
void SpiWrite(unsigned char send)
{
unsigned char i;
DATA_BUF=send;
for (i=0;i<8;i++)
{
if (flag) //總是發送最高位
{
MOSI=1;
}
else
{
MOSI=0;
}
SCK=1;
DATA_BUF=DATA_BUF<<1;
SCK=0;
}
}
//------------SPI讀操作代碼---------//
unsigned char SpiRead(void)
{
unsigned char j;
for (j=0;j<8;j++)
{
DATA_BUF=DATA_BUF<<1;
SCK=1;
if (MISO) //讀取最高位，保存至最末尾，通過左移位完成整個字節
{
DATA_BUF|=BYTE_BIT0;
}
else
{
DATA_BUF&=~BYTE_BIT0;
}
SCK=0;
}
return DATA_BUF;
}
//-----------resive 狀態設置------------------//
void SetRxMode(void)
{
TXEN=0;
TRX_CE=1;
Delay(1); // delay for mode change(>=650us)
}
//-------------初始化設置---------------//
void nRF905Init(void)
{
CSN=1; // Spi disable
SCK=0; // Spi clock line init low
DR=1; // 激活單片機IO
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
}
//----------設置配置寄存器-------//
void Config905(void)
{
unsigned char i;
CSN=0;
//SpiWrite(WC);
for (i=0;i<11;i++)
{
SpiWrite(RFConf[i]);
}
CSN=1;
}
//--------------讀取RF905接收數據------------//
void RxPacket(void)
{
unsigned char i;
Delay(1);
// TRX_CE=0; // Set nRF905 in standby mode
Delay(100);
TRX_CE=0;
CSN=0; // Spi enable for write a spi command
Delay(1);
SpiWrite(RRP);
for (i = 0 ;i < 3 ;i++)
{
rx_Buffer[i]=SpiRead(); // Read data and save to buffer
}
CSN=1;
Delay(100);
Delay(100);
Delay(10);
Delay_ms(1000);
TRX_CE=1;
}
//-------檢查是否有新數據傳入-----------//
unsigned char CheckDR(void) //檢查是否有新數據傳入 Data Ready
{
if (DR) //當數據完全接收DR為1
{
return 1;
}
else
{
return 0;
}
}
//------------------------------數據接收------------------//
void RX(void)
{
SetRxMode(); // Set nRF905 in Rx mode
while (CheckDR()==0); //RX wait
Delay(100);
RxPacket();
Delay_ms(1000);
Delay_ms(1000);
}
void display()
{
uchar i;
for(i=0;i<3;i++)
{
P2=rx_Buffer[i];
P0=position[i];
Delay_us(1000);
P0=0xff;
}
}
//-------------主函數---------------//
void main()
{
P0=0X00;
P2=0X37;
Delay_ms(100);
nRF905Init();
Config905();
while(1)
{
P0=0XFF;
RX();
P0=0X00;
Delay_ms(100);
P0=0XFF;
display();
/* while(send_reset==0);
Delay_ms(10);
if(send_reset==0)
{
while(key==1);
}
*/
}
}

復制代碼

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