NRF24l01一對一雙向通信程序(已調(diào)通)

1、精選優(yōu)質(zhì)文檔-傾情為你奉上以下程序參考多個(gè)網(wǎng)絡(luò)程序后，經(jīng)調(diào)試并且已經(jīng)調(diào)通，可以稍加修改即可使用經(jīng)測試可實(shí)現(xiàn)雙向通信發(fā)送方本程序?qū)崿F(xiàn)功能：從52單片機(jī)串口讀入數(shù)據(jù)后通過24L01發(fā)送/24L01發(fā)送#include #include typedef unsigned char uchar;typedef unsigned char uint;/*NRF24L01端口定義*sbit MISO=P14;sbit MOSI=P13;sbitSCK =P12;sbitCE =P10;sbitCSN =P11;sbitIRQ =P15;/*按鍵*/sbitKEY1=P36;/sbitKEY2=P37;/*

2、數(shù)碼管位選*/sbitled3=P20;/sbitled2=P21;/sbitled1=P22;/sbitled0=P23;/*蜂明器*/sbitBELL=P34;/*數(shù)碼管0-9編碼*/uchar seg10=0xC0,0xCF,0xA4,0xB0,0x99,0x92,0x82,0xF8,0x80,0x90; /09段碼/*NRF24L01*#define TX_ADR_WIDTH 5 / 5 uints TX address width#define RX_ADR_WIDTH 5 / 5 uints RX address width#define TX_PLOAD_WIDTH 10/ 20

3、 uints TX payload#define RX_PLOAD_WIDTH 10/ 20 uints TX payloaduint const TX_ADDRESSTX_ADR_WIDTH= 0x34,0x43,0x10,0x10,0x01;/本地地址uint const RX_ADDRESSRX_ADR_WIDTH= 0x34,0x43,0x10,0x10,0x01;/接收地址/*NRF24L01寄存器指令*#define READ_REG 0x00 / 讀寄存器指令#define WRITE_REG 0x20 / 寫寄存器指令#define RD_RX_PLOAD 0x61 / 讀取接

4、收數(shù)據(jù)指令#define WR_TX_PLOAD 0xA0 / 寫待發(fā)數(shù)據(jù)指令#define FLUSH_TX 0xE1 / 沖洗發(fā)送 FIFO指令#define FLUSH_RX 0xE2 / 沖洗接收 FIFO指令#define REUSE_TX_PL 0xE3 / 定義重復(fù)裝載數(shù)據(jù)指令#define NOP 0xFF / 保留/*SPI(nRF24L01)寄存器地址*#define CONFIG 0x00 / 配置收發(fā)狀態(tài)，CRC校驗(yàn)?zāi)Ｊ揭约笆瞻l(fā)狀態(tài)響應(yīng)方式#define EN_AA 0x01 / 自動(dòng)應(yīng)答功能設(shè)置#define EN_RXADDR 0x02 / 可用信道設(shè)置#defin

5、e SETUP_AW 0x03 / 收發(fā)地址寬度設(shè)置#define SETUP_RETR 0x04 / 自動(dòng)重發(fā)功能設(shè)置#define RF_CH 0x05 / 工作頻率設(shè)置#define RF_SETUP 0x06 / 發(fā)射速率、功耗功能設(shè)置#define STATUS 0x07 / 狀態(tài)寄存器#define OBSERVE_TX 0x08 / 發(fā)送監(jiān)測功能#define CD 0x09 / 地址檢測#define RX_ADDR_P0 0x0A / 頻道0接收數(shù)據(jù)地址#define RX_ADDR_P1 0x0B / 頻道1接收數(shù)據(jù)地址#define RX_ADDR_P2 0x0C / 頻

6、道2接收數(shù)據(jù)地址#define RX_ADDR_P3 0x0D / 頻道3接收數(shù)據(jù)地址#define RX_ADDR_P4 0x0E / 頻道4接收數(shù)據(jù)地址#define RX_ADDR_P5 0x0F / 頻道5接收數(shù)據(jù)地址#define TX_ADDR 0x10 / 發(fā)送地址寄存器#define RX_PW_P0 0x11 / 接收頻道0接收數(shù)據(jù)長度#define RX_PW_P1 0x12 / 接收頻道0接收數(shù)據(jù)長度#define RX_PW_P2 0x13 / 接收頻道0接收數(shù)據(jù)長度#define RX_PW_P3 0x14 / 接收頻道0接收數(shù)據(jù)長度#define RX_PW_P4

7、0x15 / 接收頻道0接收數(shù)據(jù)長度#define RX_PW_P5 0x16 / 接收頻道0接收數(shù)據(jù)長度#define FIFO_STATUS 0x17 / FIFO棧入棧出狀態(tài)寄存器設(shè)置/*void Delay(unsigned int s);void inerDelay_us(unsigned char n);void init_NRF24L01(void);uint SPI_RW(uint uchar);uchar SPI_Read(uchar reg);void SetRX_Mode(void);uint SPI_RW_Reg(uchar reg, uchar value);uint

8、 SPI_Read_Buf(uchar reg, uchar *pBuf, uchar uchars);uint SPI_Write_Buf(uchar reg, uchar *pBuf, uchar uchars);unsigned char nRF24L01_RxPacket(unsigned char* rx_buf);void nRF24L01_TxPacket(unsigned char * tx_buf);/*長延時(shí)*void Delay(unsigned int s)unsigned int i;for(i=0; is; i+);for(i=0; i0;n-)_nop_();/*

9、NRF24L01初始化*/void init_NRF24L01(void)inerDelay_us(100);CE=0; / chip enableCSN=1; / Spi disableSCK=0; / SPI_Write_Buf(WRITE_REG + TX_ADDR, TX_ADDRESS, TX_ADR_WIDTH); / 寫本地地址SPI_Write_Buf(WRITE_REG + RX_ADDR_P0, RX_ADDRESS, RX_ADR_WIDTH); / 寫接收端地址SPI_RW_Reg(WRITE_REG + EN_AA, 0x01); / 頻道0自動(dòng)ACK應(yīng)答允許SPI_

10、RW_Reg(WRITE_REG + EN_RXADDR, 0x01); / 允許接收地址只有頻道0，如果需要多頻道可以參考Page21 SPI_RW_Reg(WRITE_REG + RF_CH, 0); / 設(shè)置信道工作為2.4GHZ，收發(fā)必須一致SPI_RW_Reg(WRITE_REG + RX_PW_P0, RX_PLOAD_WIDTH); /設(shè)置接收數(shù)據(jù)長度，本次設(shè)置為32字節(jié)SPI_RW_Reg(WRITE_REG + RF_SETUP, 0x07); /設(shè)置發(fā)射速率為1MHZ，發(fā)射功率為最大值0dB/*/*函數(shù)：uint SPI_RW(uintuchar)/*功能：NRF24L01

11、的SPI寫時(shí)序/*/uint SPI_RW(uint uchar)uint bit_ctr;for(bit_ctr=0;bit_ctr8;bit_ctr+) / output 8-bitMOSI = (uchar& 0x80); / output uchar, MSB to MOSIuchar = (uchar 1); / shift next bit into MSB.SCK = 1; / Set SCK high.uchar |= MISO; / capture current MISO bitSCK = 0; / .then set SCK low againreturn(uchar);

12、 / return read uchar/*/*函數(shù)：ucharSPI_Read(ucharreg)/*功能：NRF24L01的SPI時(shí)序/*/uchar SPI_Read(uchar reg)uchar reg_val;CSN = 0; / CSN low, initialize SPI communication.SPI_RW(reg); / Select register to read from.reg_val = SPI_RW(0); / .then read registervalueCSN = 1; / CSN high, terminate SPI communicationr

13、eturn(reg_val); / return register value/*/*功能：NRF24L01讀寫寄存器函數(shù)/*/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

14、uchar/*/*函數(shù)：uintSPI_Read_Buf(ucharreg, uchar *pBuf, ucharuchars)/*功能: 用于讀數(shù)據(jù)，reg：為寄存器地址，pBuf：為待讀出數(shù)據(jù)地址，uchars：讀出數(shù)據(jù)的個(gè)數(shù)/*/uint SPI_Read_Buf(uchar reg, uchar *pBuf, uchar uchars)uint status,uchar_ctr;CSN = 0; / Set CSN low, init SPI tranactionstatus = SPI_RW(reg); / Select register to write to and read s

15、tatus ucharfor(uchar_ctr=0;uchar_ctruchars;uchar_ctr+)pBufuchar_ctr = SPI_RW(0); / CSN = 1; return(status); / return nRF24L01 status uchar/*/*函數(shù)：uintSPI_Write_Buf(ucharreg, uchar *pBuf, ucharuchars)/*功能: 用于寫數(shù)據(jù)：為寄存器地址，pBuf：為待寫入數(shù)據(jù)地址，uchars：寫入數(shù)據(jù)的個(gè)數(shù)/*/uint SPI_Write_Buf(uchar reg, uchar *pBuf, uchar uch

16、ars)uint status,uchar_ctr;CSN = 0; /SPI使能status = SPI_RW(reg); for(uchar_ctr=0; uchar_ctruchars; uchar_ctr+) /SPI_RW(*pBuf+);CSN = 1; /關(guān)閉SPIreturn(status); / /*/*函數(shù)：void SetRX_Mode(void)/*功能：數(shù)據(jù)接收配置/*/void SetRX_Mode(void)CE=0;SPI_RW_Reg(WRITE_REG + CONFIG, 0x0f); / IRQ收發(fā)完成中斷響應(yīng)，16位CRC，主接收CE = 1; iner

17、Delay_us(130);/*/*函數(shù)：unsigned char nRF24L01_RxPacket(unsigned char* rx_buf)/*功能：數(shù)據(jù)讀取后放入rx_buf接收緩沖區(qū)中/*/unsigned char nRF24L01_RxPacket(unsigned char* rx_buf) unsigned char revale=0;sta=SPI_Read(STATUS);/ 讀取狀態(tài)寄存其來判斷數(shù)據(jù)接收狀況if(RX_DR)/ 判斷是否接收到數(shù)據(jù) CE = 0; /SPI使能SPI_Read_Buf(RD_RX_PLOAD,rx_buf,TX_PLOAD_WIDTH

18、);/ read receive payload from RX_FIFO bufferrevale =1;/讀取數(shù)據(jù)完成標(biāo)志SPI_RW_Reg(WRITE_REG+STATUS,sta); /接收到數(shù)據(jù)后RX_DR,TX_DS,MAX_PT都置高為1，通過寫1來清楚中斷標(biāo)志return revale;/*/*函數(shù)：void nRF24L01_TxPacket(unsigned char * tx_buf)/*功能：發(fā)送tx_buf中數(shù)據(jù)/*/void nRF24L01_TxPacket(unsigned char * tx_buf)CE=0;/StandBy I模式SPI_Write_Bu

19、f(WRITE_REG + RX_ADDR_P0, TX_ADDRESS, TX_ADR_WIDTH); / 裝載接收端地址SPI_Write_Buf(WR_TX_PLOAD, tx_buf, TX_PLOAD_WIDTH); / 裝載數(shù)據(jù)SPI_RW_Reg(WRITE_REG + CONFIG, 0x0e); / IRQ收發(fā)完成中斷響應(yīng)，16位CRC，主發(fā)送CE=1; /置高CE，激發(fā)數(shù)據(jù)發(fā)送inerDelay_us(10);/*/unsigned char tf =0;unsigned char TxBuf10=0; / unsigned char RxBuf10=0;/*/*主函數(shù)*v

20、oid main(void) /%單片機(jī)串口初始化/SCON=0x50;/SCON:模式1,8-bitUART,使能接收:REN=1TMOD=0x20;TH1=0xfd;/波特率9600初值TL1=0xfd;TR1=1;EA=1;/打開總中斷ES=1;/打開串口中斷 /%/ init_NRF24L01() ;/上面保留三句移到了全局變量 while(1) nRF24L01_TxPacket(TxBuf);/ Transmit Tx buffer dataDelay(1000);/SPI_RW_Reg(WRITE_REG+STATUS,0xff);/清零狀態(tài)寄存器？/*SetRX_Mode();

21、 nRF24L01_RxPacket(RxBuf);SBUF=RxBuf0;/存放到本單片機(jī)串口輸出? Delay(600);/?void UART_SER() interrupt 4/uchar Temp;/定義臨時(shí)變量 if(RI) RI=0;/標(biāo)志位清零/讀入緩沖區(qū)的值 TxBuf0=SBUF;/把輸入的save到TxBuf里/ Delay(1000);/? if(TI)/如果是發(fā)送標(biāo)志位，清零TI=0;接收方：以下程序參考多個(gè)網(wǎng)絡(luò)程序后，經(jīng)調(diào)試并且已經(jīng)調(diào)通，可以稍加修改即可使用本程序?qū)崿F(xiàn)功能：24L01接收到數(shù)據(jù)后通過52單片機(jī)串口輸出到電腦端查看，同時(shí)又把數(shù)據(jù)回傳（發(fā)送）實(shí)現(xiàn)雙向通信

22、#include #include typedef unsigned char uchar;typedef unsigned char uint;/*NRF24L01端口定義*sbit MISO=P14;sbit MOSI=P13;sbitSCK =P12;sbitCE =P10;sbitCSN =P11;sbitIRQ =P15;/*NRF24L01*#define TX_ADR_WIDTH 5 / 5 uints TX address width#define RX_ADR_WIDTH 5 / 5 uints RX address width#define TX_PLOAD_WIDTH 1

23、0/ 20 uints TX payload#define RX_PLOAD_WIDTH 10/ 20 uints TX payloaduint const TX_ADDRESSTX_ADR_WIDTH= 0x34,0x43,0x10,0x10,0x01;/本地地址uint const RX_ADDRESSRX_ADR_WIDTH= 0x34,0x43,0x10,0x10,0x01;/接收地址/*NRF24L01寄存器指令*#define READ_REG 0x00 / 讀寄存器指令#define WRITE_REG 0x20 / 寫寄存器指令#define RD_RX_PLOAD 0x61

24、/ 讀取接收數(shù)據(jù)指令#define WR_TX_PLOAD 0xA0 / 寫待發(fā)數(shù)據(jù)指令#define FLUSH_TX 0xE1 / 沖洗發(fā)送 FIFO指令#define FLUSH_RX 0xE2 / 沖洗接收 FIFO指令#define REUSE_TX_PL 0xE3 / 定義重復(fù)裝載數(shù)據(jù)指令#define NOP 0xFF / 保留/*SPI(nRF24L01)寄存器地址*#define CONFIG 0x00 / 配置收發(fā)狀態(tài)，CRC校驗(yàn)?zāi)Ｊ揭约笆瞻l(fā)狀態(tài)響應(yīng)方式#define EN_AA 0x01 / 自動(dòng)應(yīng)答功能設(shè)置#define EN_RXADDR 0x02 / 可用信道設(shè)置#

25、define SETUP_AW 0x03 / 收發(fā)地址寬度設(shè)置#define SETUP_RETR 0x04 / 自動(dòng)重發(fā)功能設(shè)置#define RF_CH 0x05 / 工作頻率設(shè)置#define RF_SETUP 0x06 / 發(fā)射速率、功耗功能設(shè)置#define STATUS 0x07 / 狀態(tài)寄存器#define OBSERVE_TX 0x08 / 發(fā)送監(jiān)測功能#define CD 0x09 / 地址檢測#define RX_ADDR_P0 0x0A / 頻道0接收數(shù)據(jù)地址#define RX_ADDR_P1 0x0B / 頻道1接收數(shù)據(jù)地址#define RX_ADDR_P2 0x0

26、C / 頻道2接收數(shù)據(jù)地址#define RX_ADDR_P3 0x0D / 頻道3接收數(shù)據(jù)地址#define RX_ADDR_P4 0x0E / 頻道4接收數(shù)據(jù)地址#define RX_ADDR_P5 0x0F / 頻道5接收數(shù)據(jù)地址#define TX_ADDR 0x10 / 發(fā)送地址寄存器#define RX_PW_P0 0x11 / 接收頻道0接收數(shù)據(jù)長度#define RX_PW_P1 0x12 / 接收頻道0接收數(shù)據(jù)長度#define RX_PW_P2 0x13 / 接收頻道0接收數(shù)據(jù)長度#define RX_PW_P3 0x14 / 接收頻道0接收數(shù)據(jù)長度#define RX_P

27、W_P4 0x15 / 接收頻道0接收數(shù)據(jù)長度#define RX_PW_P5 0x16 / 接收頻道0接收數(shù)據(jù)長度#define FIFO_STATUS 0x17 / FIFO棧入棧出狀態(tài)寄存器設(shè)置/*void Delay(unsigned int s);void inerDelay_us(unsigned char n);void init_NRF24L01(void);uint SPI_RW(uint uchar);uchar SPI_Read(uchar reg);void SetRX_Mode(void);uint SPI_RW_Reg(uchar reg, uchar value)

28、;uint SPI_Read_Buf(uchar reg, uchar *pBuf, uchar uchars);uint SPI_Write_Buf(uchar reg, uchar *pBuf, uchar uchars);unsigned char nRF24L01_RxPacket(unsigned char* rx_buf);void nRF24L01_TxPacket(unsigned char * tx_buf);/*長延時(shí)*void Delay(unsigned int s)unsigned int i;for(i=0; is; i+);for(i=0; i0;n-)_nop_

29、();/*NRF24L01初始化*/void init_NRF24L01(void)inerDelay_us(100);CE=0; / chip enableCSN=1; / Spi disableSCK=0; / SPI_Write_Buf(WRITE_REG + TX_ADDR, TX_ADDRESS, TX_ADR_WIDTH); / 寫本地地址SPI_Write_Buf(WRITE_REG + RX_ADDR_P0, RX_ADDRESS, RX_ADR_WIDTH); / 寫接收端地址SPI_RW_Reg(WRITE_REG + EN_AA, 0x01); / 頻道0自動(dòng)ACK應(yīng)答允

30、許SPI_RW_Reg(WRITE_REG + EN_RXADDR, 0x01); / 允許接收地址只有頻道0，如果需要多頻道可以參考Page21 SPI_RW_Reg(WRITE_REG + RF_CH, 0); / 設(shè)置信道工作為2.4GHZ，收發(fā)必須一致SPI_RW_Reg(WRITE_REG + RX_PW_P0, RX_PLOAD_WIDTH); /設(shè)置接收數(shù)據(jù)長度，本次設(shè)置為32字節(jié)SPI_RW_Reg(WRITE_REG + RF_SETUP, 0x07); /設(shè)置發(fā)射速率為1MHZ，發(fā)射功率為最大值0dB/*/*函數(shù)：uint SPI_RW(uintuchar)/*功能：NRF

31、24L01的SPI寫時(shí)序/*/uint SPI_RW(uint uchar)uint bit_ctr;for(bit_ctr=0;bit_ctr8;bit_ctr+) / output 8-bitMOSI = (uchar& 0x80); / output uchar, MSB to MOSIuchar = (uchar 1); / shift next bit into MSB.SCK = 1; / Set SCK high.uchar |= MISO; / capture current MISO bitSCK = 0; / .then set SCK low againreturn(uc

32、har); / return read uchar/*/*函數(shù)：ucharSPI_Read(ucharreg)/*功能：NRF24L01的SPI時(shí)序/*/uchar SPI_Read(uchar reg)uchar reg_val;CSN = 0; / CSN low, initialize SPI communication.SPI_RW(reg); / Select register to read from.reg_val = SPI_RW(0); / .then read registervalueCSN = 1; / CSN high, terminate SPI communica

33、tionreturn(reg_val); / return register value/*/*功能：NRF24L01讀寫寄存器函數(shù)/*/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 st

34、atus uchar/*/*函數(shù)：uintSPI_Read_Buf(ucharreg, uchar *pBuf, ucharuchars)/*功能: 用于讀數(shù)據(jù)，reg：為寄存器地址，pBuf：為待讀出數(shù)據(jù)地址，uchars：讀出數(shù)據(jù)的個(gè)數(shù)/*/uint SPI_Read_Buf(uchar reg, uchar *pBuf, uchar uchars)uint status,uchar_ctr;CSN = 0; / Set CSN low, init SPI tranactionstatus = SPI_RW(reg); / Select register to write to and r

35、ead status ucharfor(uchar_ctr=0;uchar_ctruchars;uchar_ctr+)pBufuchar_ctr = SPI_RW(0); / CSN = 1; return(status); / return nRF24L01 status uchar/*/*函數(shù)：uintSPI_Write_Buf(ucharreg, uchar *pBuf, ucharuchars)/*功能: 用于寫數(shù)據(jù)：為寄存器地址，pBuf：為待寫入數(shù)據(jù)地址，uchars：寫入數(shù)據(jù)的個(gè)數(shù)/*/uint SPI_Write_Buf(uchar reg, uchar *pBuf, uchar uchars)uint status,uchar_ctr;C