请问一下你有用stc单片机控制nrf24l10的程序吗?
推荐回答(2个)
我有一完整的程序,由于担心单片机实验板上的5V电压会损坏24L01,加上需两块单片机协调工作,因此也没敢试,如果你有条件,帮我试一下,我不要积分,只告诉我实验结果就行
#include "reg52.h"
#include "intrins.h" //_nop_();延时函数用
#define uchar unsigned char
#define uint unsigned int
sbit DATA=P1^1; //发送方管脚配置
sbit CLK1=P1^2;
sbit CS=P1^3;
sbit CE=P1^4;
sbit DR1=P1^5;
sbit PWR_UP=P1^6;
sbit led1=P1^0;
sbit diol=P2^5;
/*sbit DATA=P2^1; //接收方管脚配置
sbit CLK1=P2^2;
sbit CS=P2^3;
sbit CE=P2^4;
sbit DR1=P2^5;
sbit PWR_UP=P1^6;
sbit led1=P3^7;
sbit diol=P2^0;//没用*/
sbit BIT0=ACC^0;
sbit BIT7=ACC^7;//
uchar TXData[14];
uchar RXData[10];
uchar Data1=0xff;
uchar code table1[]={0x88,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
uchar code table2[]={0x99,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
delay1ms(int t)
{
uint i;
uint j;
for(i=0;i for(j=0;j<116;j++);
}
void delay10us(void)
{
uchar y;
for(y=0;y<10;y++)
_nop_();
}
void delay100us(void)
{
uchar y;
for(y=0;y<100;y++)
_nop_();
}
/****************************************************************************************************
/*函数:write( uchar byte)
/*功能:通过IO口写入一个字节到NRF24L01
/****************************************************************************************************/
void write(uchar byte)
{
uchar i;
ACC=byte;
i=8;
while(i)
{
DATA=BIT7;
CLK1=1; // output 'uchar', MSB to MOSI
_nop_();
_nop_(); // shift next bit into MSB..
ACC<<=1;
CLK1=0; // Set SCK high..
i--; // ..then set SCK low again
}
}
/****************************************************************************************************
/*函数:Read(uchar reg)
/*功能:NRF24L01的读时序
/****************************************************************************************************/
uchar Read(void)
{
uchar i;
i=8;
while(i)
{
CLK1=1; // output 'uchar', MSB to MOSI
_nop_();
_nop_(); // shift next bit into MSB..
ACC<<=1;
BIT0=DATA ;
CLK1=0; // Set SCK high..
i--; // ..then set SCK low again
}
return ACC; // return register value
}
/****************************************************************************************************/
/*功能:NRF24L01初始化控制结构体
/****************************************************************************************************/
struct RFConfig
{
uchar n;
uchar buf[15];
};
typedef struct RFConfig RFConfig;
#define ADDR_INDEX 8 //地址起始号为 8
#define ADDR_COUNT 4 //地址占4字节
code RFConfig tconf= //发射时配置字
{
15,//配置字长度15
0x50,//接收通道2数据长度80bit(10byte)
0x50,//接收通道1数据长度80bit(10byte)
0x00,0x00,0x00,0x00,0x00,//接收通道2地址最多40bit(5byte)
0x00,0xaa,0xbb,0x12,0x34,//接收通道1地址最多40bit(5byte)
0x83,//32bit地址长度,16bit crc校验
0x6f,//单通道接收
0x04//02频道发射
};
code RFConfig rconf=//接收时配置字
{
15,
0x50,
0x50,
0x00,0x00,0x00,0x00,0x00,
0x00,0xaa,0xbb,0x12,0x34,
0x83,
0x6f,
0x05//2频道接收
};
void nrf2401_on()
{
CE=0;
CS=0;
PWR_UP=1;
delay1ms(3);
}
void nrf2401init_receiver(void)//接收初始化
{
uchar b;
CE=0;
CS=1;
delay10us();
for(b=0;b{
write(rconf.buf[b]);
}
CE=1;
CS=0;
}
void nrf2401init_transmitter(void)//发射初始化
{
uchar b;
CE=0;
CS=1;
delay10us();
for(b=0;b{
write(tconf.buf[b]);
}
CS=0;
}
void nrf2401set_rxmode(void)//接收初始化后快速进入接收状态
{
CE=0;
CS=1;
delay10us();
write(rconf.buf[14]);//写入命令0x05
CE=1;
CS=0;
}
void nrf2401set_txmode(void)//发射初始化后快速进入发射状态
{
CE=0;
CS=1;
delay10us();
write(tconf.buf[14]);//写入命令0x04
CE=1;
CS=0;
}
void tx_packet(uchar m)//m=1发射数据包选table1,m=2选table2
{
uchar i ;
TXData[0]=0xaa;//要不要补1个地址码0x00?不用,前面已设32bit地址长度,
TXData[1]=0xbb;
TXData[2]=0x12;
TXData[3]=0x34;
if (m==1)
{
for(i=4;i<14;i++)
{TXData[i]=table1[i-4];}
}
else
{
for(i=4;i<14;i++)
{TXData[i]=table2[i-4];}
}
CS=0;CE=1;
delay10us();
for(i=0;i<14;i++)
{
write(TXData[i]);
}
CE=0;
}
/*void tx_packet(void)//发射数据包
{
uchar i ;
TXData[0]=0xaa;//要不要补1个地址码0x00?不用,前面已设32bit地址长度,
TXData[1]=0xbb;
TXData[2]=0x12;
TXData[3]=0x34;
for(i=4;i<14;i++)
{TXData[i]=table2[i-4];}
CS=0;CE=1;
delay10us();
for(i=0;i<14;i++)
{
write(TXData[i]);
}
CE=0;
}*/
void recevice_packet(void)//接收数据包
{
uchar i ;
for(i=0;i<10;i++)
{
RXData[i]=Read();
}
}
//发射方先发一个数据包,其中第5个数据(TXData[4])为0x88,然后进入接收状态,若收到的数据包第5个数是0x99,则点亮发光二极管
//接收方先进入接收状态,若收到的数据包第5个数是0x88,则点亮LED并发送一个数据包,其中第5个是0x99
void main(void)//发射方主程序
{
nrf2401_on();
nrf2401init_transmitter();
nrf2401set_txmode;//进入发射状态
tx_packet(1);//发射数据包1第4个数据为0x88
nrf2401init_receiver();
nrf2401set_rxmode();//进入接收状态
while(DR1!=1);
recevice_packet();//接收数据包
diol=1;//开通锁存器
if(RXData[4]==0x99)//如果收到正确遥数据0x99,则灯亮说明通信成功
{
led1=0;
}
while(1);
}
/*void main(void)//接收方主程序
{
nrf2401_on();
nrf2401init_receiver();
nrf2401set_rxmode();//进入接收状态
while(DR1!=1);
recevice_packet();//接收数据包
diol=1;//开通锁存器
if(RXData[4]==0x88)//如果收到正确遥数据0x88,则灯亮说明通信成功
{
led1=0;
}
nrf2401init_transmitter();
nrf2401set_txmode;//进入发射状态
delay1ms(10);//延时,让发送方准备好
tx_packet(2);//发射数据包2,第4个数据为0x99
while(1);
}*/
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