无线发送完整程序

无线发送完整程序：1头文件2程序1typedef unsigned char uchar;typedef unsigned char uint;//****************************************SPI-IO端口***************************************sbit CE = P1^0;//3sbit SCK = P1^1;//5sbit MISO = P1^2;//7sbit CSN = P1^5;//4sbit MOSI = P1^6;//6sbit IRQ = P1^7;//8//*****************************************地址、数据长度*************************************#define TX_ADR_WIDTH 5 // 5 uints TX address width#define RX_ADR_WIDTH 5 // 5 uints RX address width#define TX_PLOAD_WIDTH 4 // 20 uints TX payload#define RX_PLOAD_WIDTH 4 // 20 uints TX payload//***************************************NRF24L01寄存器指令*******************************************************#define READ_REG 0x00 // 读寄存器指令#define WRITE_REG 0x20 // 写寄存器指令#define RD_RX_PLOAD 0x61 // 读取接收数据指令#define WR_TX_PLOAD 0xA0 // 写待发数据指令#define FLUSH_TX 0xE1 // 冲洗发送FIFO指令#define FLUSH_RX 0xE2 // 冲洗接收FIFO指令#define REUSE_TX_PL 0xE3 // 定义重复装载数据指令#define NOP 0xFF // 保留//*************************************SPI(nRF24L01)寄存器地址****************************************************#define CONFIG 0x00 // 配置收发状态，CRC校验模式以及收发状态响应方式#define EN_AA 0x01 // 自动应答功能设置P0自动应答允许#define EN_RXADDR 0x02 // 可用信道设置接收通道1允许#define SETUP_AW 0x03 // 收发地址宽度设置#define SETUP_RETR 0x04 // 自动重发功能设置#define RF_CH 0x05 // 工作频率设置#define RF_SETUP 0x06 // 发射速率、功耗功能设置#define STATUS 0x07 // 状态寄存器#define OBSERVE_TX 0x08 // 发送监测功能#define CD 0x09 // 地址检测#define RX_ADDR_P0 0x0A // 频道0接收数据地址#define RX_ADDR_P1 0x0B // 频道1接收数据地址#define RX_ADDR_P2 0x0C // 频道2接收数据地址#define RX_ADDR_P3 0x0D // 频道3接收数据地址#define RX_ADDR_P4 0x0E // 频道4接收数据地址#define RX_ADDR_P5 0x0F // 频道5接收数据地址#define TX_ADDR 0x10 // 发送地址寄存器#define RX_PW_P0 0x11 // 接收频道0接收数据长度#define RX_PW_P1 0x12 // 接收频道0接收数据长度#define RX_PW_P2 0x13 // 接收频道0接收数据长度#define RX_PW_P3 0x14 // 接收频道0接收数据长度#define RX_PW_P4 0x15 // 接收频道0接收数据长度#define RX_PW_P5 0x16 // 接收频道0接收数据长度#define FIFO_STATUS 0x17 // FIFO栈入栈出状态寄存器设置2#include<reg52.h>#include "nrf24l01.h"unsigned char x,y,z;sbit DQ=P2^1;//定义DS18b20的管脚sbit w4=P2^7;//定义控制数码管的管脚sbit w3=P2^6;sbit w2=P2^5;sbit w1=P2^4;sbit beep=P2^0;unsigned char code table[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f};unsigned char code table1[]={0xbf,0x86,0xdb, //有小数点的编码表0xcf,0xe6,0xed,0xfd,0x87,0xff,0xef};void us(int i){while(i--);}void ms(int m){uint i,j;for(i=m;i>0;i--)for(j=110;j>0;j--);}/*****延时子程序*****/void Delay_DS18B20(int num){while(num--) ;}void display(unsigned int m)//显示函数{unsigned int x,y,z,w;x=m/100;y=m%100/10;z=m%10;for(w=100;w>0;w--){P0=table[x];w2=0;ms(5);w2=1;P0=table1[y];w3=0;ms(5);w3=1;P0=table[z];w4=0;ms(5);w4=1;}}/*****初始化DS18B20*****/void Init_DS18B20(void){unsigned char x=0;DQ = 1; //DQ复位Delay_DS18B20(8); //稍做延时DQ = 0; //单片机将DQ拉低Delay_DS18B20(80); //精确延时，大于480usDQ = 1; //拉高总线Delay_DS18B20(14);x = DQ; //稍做延时后，如果x=0则初始化成功，x=1则初始化失败Delay_DS18B20(20);}/*****读一个字节*****/unsigned char ReadOneChar(void){unsigned char i=0;unsigned char dat = 0;for (i=8;i>0;i--){DQ = 0; // 给脉冲信号dat>>=1;DQ = 1; // 给脉冲信号if(DQ)dat|=0x80;Delay_DS18B20(4);}return(dat);}/*****写一个字节*****/void WriteOneChar(unsigned char dat){unsigned char i=0;for (i=8; i>0; i--){DQ = 0;DQ = dat&0x01;Delay_DS18B20(5);DQ = 1;dat>>=1;}}/*****读取温度*****/unsigned int ReadTemperature(void){unsigned char a=0;unsigned char b=0;unsigned int t=0;float tt=0;Init_DS18B20();WriteOneChar(0xCC); //跳过读序号列号的操作WriteOneChar(0x44); //启动温度转换Init_DS18B20();WriteOneChar(0xCC); //跳过读序号列号的操作WriteOneChar(0xBE); //读取温度寄存器a=ReadOneChar(); //读低8位b=ReadOneChar(); //读高8位t=b;t<<=8;t=t|a;tt=t*0.0625;t= tt*10+0.5; //放大10倍输出并四舍五入return(t);}unsigned int bdata sta; //状态标志sbit RX_DR =sta^6;sbit TX_DS =sta^5;sbit MAX_RT =sta^4;uint const TX_ADDRESS[TX_ADR_WIDTH]= {0x34,0x43,0x10,0x10,0x01}; //本地地址uint const RX_ADDRESS[RX_ADR_WIDTH]= {0x34,0x43,0x10,0x10,0x01}; //接收地址uint SPI_RW(uint onechar)//写一字节并返回MISO状态{uint bit_ctr;for(bit_ctr=0;bit_ctr<8;bit_ctr++) // output 8-bit{MOSI = (onechar & 0x80); // output 'uchar', MSB to MOSIonechar = (onechar << 1); // shift next bit into MSB..SCK = 1; // Set SCK high..onechar |= MISO; // capture current MISO bitSCK = 0; // ..then set SCK low again}return(onechar); // return read uchar}uint SPI_RW_Reg(uchar reg, uchar value){uint status;CSN = 0; // CSN low, init SPI transactionstatus = SPI_RW(reg); // select registerSPI_RW(value); // ..and write value to it..CSN = 1; // CSN high againreturn(status); // return nRF24L01 status uchar}//函数：uint SPI_Write_Buf(uchar reg, uchar *pBuf, uchar uchars)//功能: 用于写数据：为寄存器地址，pBuf：为待写入数据地址，uchars：写入数据的个数uint SPI_Write_Buf(uchar reg, uchar *pBuf, uchar num){uint status;uchar ctr;CSN = 0; //SPI使能status = SPI_RW(reg);for(ctr=0;ctr<num; ctr++) //SPI_RW(*pBuf++);CSN = 1; //关闭SPIreturn(status); //}//函数：void nRF24L01_TxPacket(unsigned char * tx_buf)//功能：发送tx_buf中数据void nRF24L01_TxPacket(unsigned char * tx_buf){CE=0; //StandBy I模式SPI_Write_Buf(WRITE_REG + RX_ADDR_P0, TX_ADDRESS, TX_ADR_WIDTH); // 装载接收端地址SPI_Write_Buf(WR_TX_PLOAD, tx_buf, TX_PLOAD_WIDTH); // 装载数据CE=1; //置高CE，激发数据发送us(10);}//-------------------------发送主函数------------------------------void init_NRF24L01(void)//NRF24L01初始化{us(100);CE=0; // chip enableCSN=1; // Spi disableSCK=0; // Spi clock line init highSPI_Write_Buf(WRITE_REG + TX_ADDR, TX_ADDRESS, TX_ADR_WIDTH); //写本地地址SPI_Write_Buf(WRITE_REG + RX_ADDR_P0, RX_ADDRESS, RX_ADR_WIDTH); // 写接收端地址SPI_RW_Reg(WRITE_REG + EN_AA, 0x01); // 频道0自动ACK应答允许SPI_RW_Reg(WRITE_REG + EN_RXADDR, 0x01); // 允许接收地址只有频道0，如果需要多频道可以参考Page21SPI_RW_Reg(WRITE_REG + RF_CH, 0); // 设置信道工作为2.4GHZ，收发必须一致SPI_RW_Reg(WRITE_REG + RX_PW_P0, RX_PLOAD_WIDTH); //设置接收数据长度，本次设置为32字节SPI_RW_Reg(WRITE_REG + RF_SETUP, 0x07); //设置发射速率为1MHZ，发射功率为最大值0dBSPI_RW_Reg(WRITE_REG + CONFIG, 0x0E); // IRQ收发完成中断响应，16位CRC ，主接收}void main(){unsigned int t;uchar j[4];init_NRF24L01() ;ms(6000);while(1){t=ReadTemperature();display(t);ms(200);j[0]=t/100;j[1]=t/10%10;j[2]=t%10;if(beep==0)j[3]=5;elsej[3]=0;ms(200);nRF24L01_TxPacket(j); // Transmit Tx buffer datams(200);SPI_RW_Reg(WRITE_REG+STATUS,0XFF);}}。