綠色nrf24l01開發(fā)包-24l01kl-技術(shù)開發(fā)

一、模塊介紹KL_NRF24L01尺寸圖（單位KL_NRF24L01SE模塊實(shí)物圖（SMA接口KL_NRF24L01SE模塊尺寸圖（單位2.4Ghz全球開放ISM頻段免證使126內(nèi)置硬件CRC低功耗1.9-3.6V工作，待機(jī)模式下狀態(tài)為22uA；掉電模內(nèi)置2.4Ghz供中斷指示)，可直接接各種單片機(jī)使用，編程非常方便標(biāo)準(zhǔn)DIP間距接口，便于應(yīng)EnhancedShockBurstAutomaticpackethandling,Autopackettransactionhandling,具有可選的內(nèi)燒毀模果是3.3V的，可以直接和RF2401模塊的IO口線請(qǐng)注意模請(qǐng)注意模塊插接的方向與接頭座子的連接方通信成功接口VCC腳接電壓范圍為1.9V~3.6V之間，不能在這個(gè)區(qū)間之外，超過3.6V將會(huì)燒毀模塊。電壓3.3V左右。除電源VCC和接地端，其余腳都可以直接和普通的5V單片機(jī)IO口硬件上面沒有I的單片機(jī)也可以控制本模塊，用普通單片機(jī)口模擬P9腳接地腳,需要和母板的邏輯地連接起來；2腳和9密腳插針，或者其他形式的接口，可以們定做。KL_NRF24L01模塊使用Nordic公司的nRF24L01開發(fā)而成KL_NRF2401有工作模式有四種收發(fā)模式配置模式空閑模式工作模式PWR_UPregister、PRIM_RXregisterCE定，詳見收發(fā)收發(fā)模式有EnhancedShockBurstTM收發(fā)模式、ShockBurstTM收發(fā)模式EnhancedShockBurstTM收發(fā)模EnhancedShockBurstTM收發(fā)模式下，使用片內(nèi)的先入先出堆棧區(qū)，數(shù)據(jù)在空中停留時(shí)間短，性高。EnhancedShockBurstTM技術(shù)在EnhancedShockBurstTM收發(fā)模式下，KL_NRF24L01自動(dòng)處理字頭EnhancedShockBurstTM發(fā)射流把的地址和要發(fā)送的數(shù)據(jù)按時(shí)序送入配置CONFIG寄存器，使之進(jìn)入發(fā)送模式。C.微控制器把CE置（至少10us），激發(fā)KL_NRF24L01進(jìn)行 ShockBurstTM發(fā)射D.KL_NRF24L01的EnhancedShockBurstTM發(fā)射(1)給射頻前端供(4)射完成KL_NRF24L01進(jìn)入空閑狀態(tài)。4.1.1.2EnhancedShockBurstTM接收流程A.置本機(jī)地址和要接收的數(shù)據(jù)包大B.130us后，KL_NRF24L01進(jìn)入監(jiān)視狀態(tài)，等待數(shù)據(jù)當(dāng)接收到正確的數(shù)據(jù)包(正確的地址和CRC自動(dòng)把字頭、地址和CRC校驗(yàn)位移去KL_NRF24L01通過把STATUS寄存器的RX_DR置位(STATUS一般引起微控制器中斷)通知微控制器；F.微控制器把數(shù)據(jù)從KL_NRF24L01讀出；G.所有數(shù)據(jù)完畢后，可以清除STATUS寄存器KL_NRF24L01可以進(jìn)入四種主要的模式之一ShockBurstTM空閑模4.4機(jī)模900nA左右。關(guān)機(jī)模式下，配置字的內(nèi)容也會(huì)被保持在KL_NRF24L01片五、配置KL_NRF24L01模KL_NRF24L01工作于EnhancedShockBurstTM收發(fā)模式，這因此，下文著重介紹把KL_NRF24L01配置為EnhancedShockBurstTMShockBurstTM的配置字可以分為以下四個(gè)部分地址：接收數(shù)據(jù)的地址，有通道0到通道5CRC：使KL_NRF24L01能夠生成CRC和KL_NRF24L01配置字的CONFIG寄存器的位描述如下表所示。:#include<reg52.h>#includetypedefunsignedcharuchar;typedefunsignedcharuint;sbitMISO sbitMOSI sbit sbit sbit sbit sbitKEY1=P2^6;sbitsbitled1=P2^4;sbit#defineTX_ADR_WIDTH //5uintsTXaddresswidth#defineRX_ADR_WIDTH //5uintsRXaddresswidth#defineTX_PLOAD_WIDTH //20uintsTXpayload#defineRX_PLOAD_WIDTH 20 //20uintsTXpayloaduintconstTX_ADDRESS[TX_ADR_WIDTH]={0x34,0x43,0x10,0x10,0x01}; #defineREAD_REG //讀寄存器指令#defineWRITE_REG //寫寄存器指令#defineRD_RX_PLOAD //接收數(shù)據(jù)指令#defineWR_TX_PLOAD //寫待發(fā)數(shù)據(jù)指令#defineFLUSH_TX //沖洗發(fā)送FIFO指令#define 0xE2 //沖洗接收FIFO指#define //#define ////*******************SPI(nRF24L01)寄存器地址#define //配置收發(fā)狀態(tài)，CRC#defineEN_AA 0x01 //自動(dòng)應(yīng)答功能設(shè)置#defineEN_RXADDR //可用信道設(shè)置#defineSETUP_AW //收發(fā)地址寬度設(shè)置#defineSETUP_RETR //自動(dòng)重發(fā)功能設(shè)置#defineRF_CH //工作頻率設(shè)置#define //#defineSTATUS //狀態(tài)寄存器#defineOBSERVE_TX //發(fā)送監(jiān)測(cè)功能#defineCD //地址檢測(cè)#defineRX_ADDR_P0 0x0A//頻道0接收數(shù)據(jù)地址#defineRX_ADDR_P1 0x0B//頻道1接收數(shù)據(jù)地址#defineRX_ADDR_P2 0x0C//頻道2接收數(shù)據(jù)地址#defineRX_ADDR_P3 0x0D//頻道3接收數(shù)據(jù)地址#defineRX_ADDR_P4 0x0E//頻道4接收數(shù)據(jù)地址#defineRX_ADDR_P5 0x0F//頻道5接收數(shù)據(jù)地址#defineTX_ADDR 0x10//發(fā)送地址寄存器#defineRX_PW_P0 //接收頻道0接收數(shù)據(jù)長(zhǎng)度#defineRX_PW_P1 //接收頻道0接收數(shù)據(jù)長(zhǎng)度#defineRX_PW_P2 //接收頻道0接收數(shù)據(jù)長(zhǎng)度#defineRX_PW_P3 //接收頻道0接收數(shù)據(jù)長(zhǎng)度#defineRX_PW_P4 //接收頻道0接收數(shù)據(jù)長(zhǎng)度#defineRX_PW_P5 //接收頻道0接收數(shù)據(jù)長(zhǎng)度#defineFIFO_STATUS voidDelay(unsignedints);voidinerDelay_us(unsignedcharn);voidinit_NRF24L01(void);uintSPI_RW(uintuchar);voidSetRX_Mode(void);uintSPI_RW_Reg(ucharreg,ucharuintSPI_Read_Buf(ucharreg,uchar*pBuf,ucharuchars);uintSPI_Write_Buf(ucharreg,uchar*pBuf,ucharuchars);unsignedcharnRF24L01_RxPacket(unsignedchar*rx_buf);voidnRF24L01_TxPacket(unsignedchar*tx_buf);voidDelay(unsignedints){unsignedinti;for(i=0;i<s;} bdatasta; sbitRX_DR=sta^6;sbitTX_DSsbit voidinerDelay_us(unsignedcharn){for(;n>0;n--}voidinit_NRF24L01(void){ //Spi SPI_Write_Buf(WRITE_REG+TX_ADDR,TX_ADDRESS, SPI_Write_Buf(WRITE_REG+RX_ADDR_P0,RX_ADDRESS,RX_ADR_WIDTH);SPI_RW_Reg(WRITE_REG+EN_AA, 頻道0自 ACK應(yīng)答允+, 需要多頻道可以參考Page21SPI_RW_Reg(WRITE_REG+RF_CH,0); SPI_RW_Reg(WRITE_REG+RX_PW_P0,RX_PLOAD_WIDTH);//設(shè)置接收數(shù)據(jù)長(zhǎng)度，+, //設(shè)置發(fā)射速率為1MHZ，發(fā)}/*函數(shù)：uintSPI_RW(uintuintSPI_RW(uintuchar){uintfor(bit_ctr=0;bit_ctr<8;bit_ctr++)//output8-{MOSI=(uchar&0x80); //output'uchar',MSBtoMOSIuchar=(uchar<<1); //shiftnextbitintoMSB..SCK= //SetSCKuchar|= //capturecurrentMISOSCK= //..thensetSCKlow} //returnread}/*函數(shù)：ucharSPI_Read(ucharucharSPI_Read(uchar{ucharCSN= //CSNlow,initializeSPI //Selectregistertoreadfrom..reg_val=SPI_RW(0); //..thenreadregistervalueCSN= //CSNhigh,terminateSPI //returnregister}uintSPI_RW_Reg(ucharreg,ucharvalue){uintCSN=0; //CSNlow,initSPItransactionstatus=SPI_RW(reg); //selectregister //..andwritevaluetoCSN= //CSNhigh }/*函數(shù)：uintSPI_Read_Buf(ucharreg,uchar*pBuf,uchar/*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uintSPI_Read_Buf(ucharreg,uchar*pBuf,uchar{uintCSN= //SetCSNlow,initSPIstatus= //SelectregistertowritetoandreadstatuspBuf[uchar_ctr]=SPI_RW(0); CSN= }/*函數(shù)：uintSPI_Write_Buf(ucharreg,uchar*pBuf,uchar/*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，ucharsuintSPI_Write_Buf(ucharreg,uchar*pBuf,uchar{uintCSN //SPI使status=for(uchar_ctr=0;uchar_ctr<uchars;uchar_ctr++)//CSN=1; }/*函數(shù)：voidvoidSetRX_Mode(void){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=}/*函數(shù)：unsignedcharnRF24L01_RxPacket(unsignedchar*unsignedcharnRF24L01_RxPacket(unsignedchar*{unsignedchar //狀態(tài)寄存其來判斷數(shù)據(jù)接收狀 //{CE //SPI使 //read RX_FIFOrevale //數(shù)據(jù)完成標(biāo)} return}/*函數(shù)：voidnRF24L01_TxPacket(unsignedchar*/*tx_bufvoidnRF24L01_TxPacket(unsignedchar*{ //StandByISPI_Write_Buf(WRITE_REG+RX_ADDR_P0,TX_ADDRESS,TX_ADR_WIDTH);,, //裝載數(shù)SPI_RW_Reg(WRITE_REG+CONFIG, }voidmain(void){unsignedchartfunsignedcharTxBuf[20]={0}; unsignedcharRxBuf[20]={0};init_NRF24L01();TxBuf[1]=1;TxBuf[2]=1 {if(KEY1==0{