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关于NRF2401的接收与发送，做遥控小车，硬件没有问题，不明白为什么不能收到信息

问答对人有帮助，内容完整，我也想知道答案 2 做遥控小车，硬件没有问题，不明白为什么不能收到信息附上代码发送： #include #include #include #define unchar unsigned char #define unint unsigned int #define MAX_TX 0X10 //???????????*? #define TX_OK 0X20 //TX????????? #define RX_OK 0X40 //??????????? //NRF24l01???????? /***************************************************/ #define TX_ADDR_WITDH 5 //??????????????5????? #define RX_ADDR_WITDH 5 //??????????????5????? #define TX_DATA_WITDH 3//??????????2????? #define RX_DATA_WITDH 3//??????????2????? /***************????????***********************/ #define R_REGISTER 0x00//??????ü???? #define W_REGISTER 0x20//д???ü???? #define R_RX_PAYLOAD 0x61//???RX??Ч???? #define W_TX_PAYLOAD 0xa0//дTX??Ч???? #define FLUSH_TX 0xe1//???TXFIFO????? #define FLUSH_RX 0xe2//???RXFIFO????? #define REUSE_TX_PL 0xe3//??????????????Ч???? #define NOP 0xff//????? /**************????????************************/ #define CONFIG 0x00//???ü???? #define EN_AA 0x01//????????? #define EN_RXADDR 0x02//??????????0-5????? #define SETUP_AW 0x03//?????????????????3-5 #define SETUP_RETR 0x04//?????????? #define RF_CH 0x05//?????????? #define RF_SETUP 0x06//???????? #define STATUS 0x07//??????? #define OBSERVE_TX 0x08//?????????? #define CD 0x09//??? #define RX_ADDR_P0 0x0a//???????0?????? #define RX_ADDR_P1 0x0b//???????1?????? #define RX_ADDR_P2 0x0c//???????2?????? #define RX_ADDR_P3 0x0d//???????3?????? #define RX_ADDR_P4 0x0e//???????4?????? #define RX_ADDR_P5 0x0f//???????5?????? #define TX_ADDR 0x10//?????? #define RX_PW_P0 0x11//P0????????????? #define RX_PW_P1 0x12//P1????????????? #define RX_PW_P2 0x13//P2????????????? #define RX_PW_P3 0x14//P3????????????? #define RX_PW_P4 0x15//P4????????????? #define RX_PW_P5 0x16//P5????????????? #define FIFO_STATUS 0x17//FIFO??????? #define ADC_POWER 0x80 #define ADC_FLAG 0x10 #define ADC_START 0x08 #define ADC_SPEEDLL 0x00 #define ADC_SPEEDL 0x20 #define ADC_SPEEDH 0x40 #define ADC_SPEEDHH 0x60 #define uchar unsigned char #define uint unsigned int it IRQ =P2^4; it MISO =P2^5; //???? it MOSI =P2^6; //??? it SCLK =P2^7; //??? it CSN =P0^0; //??? it CE =P0^1; //??? unchar code TxAddr[]={0x11,0x98,0x10,0x10,0x01};//?????? unchar code RxAddr[]={0x11,0x98,0x10,0x10,0x01};//?????? uchar aa,bb,cc; unchar bdata sta; //????? it RX_DR=sta^6; it TX_DS=sta^5; it MAX_RT=sta^4; void IO_init() { P0M0 =0X0F; P0M1 =0X10; P1M0 =0X00; //P18????????? P1M1 =0X0F; //P0M1=0XFF; //P0M0=0X00; //P3M1=0X00; //P3M0=0X00; //P4M1=0X00; //P4M0=0X01; // //P6M1=0X80; //P6M0=0X70; } //????????????? /*******************???????**********************/ void NRFDelay(unint t) { unint x,y; for(x=t;x>0;x--) for(y=110;y>0;y--); } /******************NRF24L01?????????***************************/ void NRF24L01Int() { NRFDelay(2);//???????????? CE=0; CSN=1; //????????Ч?? SCLK=0; //????? IRQ=1; //????????????? } /SPI???????????8λ????*******************************/ unchar NRFSPI(unchar date) //?????д??????????? { unchar i; for(i=0;i<8;i++) // ???8?? { if(date&0x80) MOSI=1; else MOSI=0; // byte???λ?????MOSI date<<=1; // ?θ?λ??λ?????λ SCLK=1; if(MISO) // ????SCK??nRF24L01??MOSI????1λ?????????MISO???1λ???? date\|=0x01; // ??MISO??byte???λ SCLK=0; // SCK??? } return(date); // ????????????? } /*************SPI??????????????*****************************/ unchar NRFReadReg(unchar RegAddr) { unchar BackDate; CSN=0;//?????? NRFSPI(RegAddr);//д???????? BackDate=NRFSPI(0x00);//д??????????? CSN=1; return(BackDate); //?????? } /*************SPIд????????????*****************************/ unchar NRFWriteReg(unchar RegAddr,unchar date) { unchar BackDate; CSN=0;//?????? BackDate=NRFSPI(RegAddr);//д???? NRFSPI(date);//д??? CSN=1; return(BackDate); } /*************SPI???RXFIFO????????*****************************/ unchar NRFReadRxDate(unchar RegAddr,unchar RxDate,unchar DateLen) { //????????//????????????//??????????//??????? unchar BackDate,i; CSN=0; //??????????Ч BackDate=NRFSPI(RegAddr); //д??????????????? for(i=0;i { RxDate=NRFSPI(0x00); } CSN=1; return(BackDate); } /***************SPIд??TXFIFO????????*******************************/ unchar NRFWriteTxDate(unchar RegAddr,unchar TxDate,unchar DateLen) //RegAddr =0x30 , DateLen ???????5 { //????????//д???????????//??????????//??????? unchar BackDate,i; CSN=0; BackDate=NRFSPI(RegAddr);//д???д?????????? for(i=0;i { NRFSPI(TxDate++); } CSN=1; return(BackDate); } //???????????????? //???????0 ?????1 ??? unchar Check() { int i; unchar buf[5]={0XA5,0XA5,0XA5,0XA5,0XA5}; NRFWriteTxDate ( W_REGISTER + TX_ADDR , buf , TX_ADDR_WITDH ); //д?????? NRFReadRxDate ( R_REGISTER + TX_ADDR , buf , RX_ADDR_WITDH); //???????? for(i=0;i<5;i++) //?? if(buf!=0XA5) break; if(i==5) return 0; return 1; } /????????????????????*********/ void NRF24L01_TX_Mode() { NRFWriteTxDate ( W_REGISTER + TX_ADDR , TxAddr , TX_ADDR_WITDH ); //дTX????? NRFWriteTxDate ( W_REGISTER + RX_ADDR_P0 , RxAddr , RX_ADDR_WITDH ); //????RX????????????????ACK NRFWriteReg( W_REGISTER + EN_AA , 0X01); //??????0?????? NRFWriteReg( W_REGISTER + EN_RXADDR , 0X01); //??????0??????? NRFWriteReg( W_REGISTER + SETUP_RETR , 0X1A); //??????????????500us + 86us?????????????????10?? NRFWriteReg( W_REGISTER + RF_CH , 40); //????RF????40 NRFWriteReg( W_REGISTER + RF_SETUP , 0X0F); //????TX?????????2M,0db???棬?????????濪?? NRFWriteReg( W_REGISTER + CONFIG , 0X0E); //????????????????????PWR_UP,EN_CRC,16BIT_CRC,?????????????????? } void Delay100us() //@11.0592MHz { unsigned char i, j; _nop_(); _nop_(); i = 2; j = 15; do { while (--j); } while (--i); } /**???????????**** txbuf???????????????? //???????????????? ************************/ unchar NRF24L01_TxPacket(unchar txbuf) { CE = 0; NRFWriteTxDate ( W_TX_PAYLOAD , txbuf , TX_DATA_WITDH ); //д?????TX BUF?У?2????? CE = 1; //??????? Delay100us(); //?????????? sta = NRFReadReg(STATUS); //????????????? if(TX_DS\|\|MAX_RT) //????????*? { NRFWriteReg(W_REGISTER+STATUS,0xff); // ???TX_DS??MAX_RT???? CSN=0; NRFSPI( FLUSH_TX );//???????FIFO ???????????????????????????????????????????? CSN=1; return 0x01; } return 0XFF; } void Delay1000ms() //@11.0592MHz { unsigned char i, j, k; _nop_(); _nop_(); i = 43; j = 6; k = 203; do { do { while (--k); } while (--j); } while (--i); } // int k,m; void Delay(unsigned int s) { unsigned int i; for(i=0; i for(i=0; i } //******************************?????A/D???********************************************* void adc_init() { P1ASF=0xff; ADC_RES=0; ADC_CONTR = ADC_POWER \| ADC_SPEEDLL; Delay(10); //?????? } //******************************???A/D?????????**************************************** uint getADCResult(char ch) { // uint result; ADC_CONTR = ADC_POWER \| ADC_SPEEDLL \| ch \| ADC_START; _nop_(); //???4??NOP _nop_(); _nop_(); _nop_(); while (!(ADC_CONTR & ADC_FLAG));//????????? ADC_CONTR &= ~ADC_FLAG; //?? return ADC_RES; } void main() { unchar j=0; unchar T_X[3]={0x00,0x00,0x00}; _nop_(); IO_init(); //I/O???????? NRF24L01Int(); j=Check(); if(j==0) { //??? P22= 1; } if(j==1) { while(1) { P22=!P22; Delay1000ms(); } } NRF24L01_TX_Mode(); //????????????ó?????? adc_init(); while(1) { P21=1;P36=1; P37=1;P23=1; T_X[0]=getADCResult(0x03); T_X[1]=getADCResult(0x00); NRF24L01_TxPacket(T_X); aa=getADCResult(0x03); if(aa>140) { P36=0; } else if(aa<115) { P37=0; } bb=getADCResult(0x00); if(bb>140) { P23=0; } else if(bb<115) { P21=0; } } } 接收： #include #include #define unchar unsigned char #define unint unsigned int //?? #define MAX_TX 0X10 //???????????? #define TX_OK 0X20 //TX????????? #define RX_OK 0X40 //??????????? //NRF24l01???????? /***************************************************/ #define TX_ADDR_WITDH 5 //??????????????5????? #define RX_ADDR_WITDH 5 //??????????????5????? #define TX_DATA_WITDH 3//??????????2????? #define RX_DATA_WITDH 3//??????????2????? /***************????????***********************/ #define R_REGISTER 0x00//??????ü???? #define W_REGISTER 0x20//д???ü???? #define R_RX_PAYLOAD 0x61//???RX??Ч???? #define W_TX_PAYLOAD 0xa0//дTX??Ч???? #define FLUSH_TX 0xe1//???TXFIFO????? #define FLUSH_RX 0xe2//???RXFIFO????? #define REUSE_TX_PL 0xe3//??????????????Ч???? #define NOP 0xff//????? /**************????????************************/ #define CONFIG 0x00//???ü???? #define EN_AA 0x01//????????? #define EN_RXADDR 0x02//??????????0-5????? #define SETUP_AW 0x03//?????????????????3-5 #define SETUP_RETR 0x04//?????????? #define RF_CH 0x05//?????????? #define RF_SETUP 0x06//???????? #define STATUS 0x07//??????? #define OBSERVE_TX 0x08//?????????? #define CD 0x09//??? #define RX_ADDR_P0 0x0a//???????0?????? #define RX_ADDR_P1 0x0b//???????1?????? #define RX_ADDR_P2 0x0c//???????2?????? #define RX_ADDR_P3 0x0d//???????3?????? #define RX_ADDR_P4 0x0e//???????4?????? #define RX_ADDR_P5 0x0f//???????5?????? #define TX_ADDR 0x10//?????? #define RX_PW_P0 0x11//P0????????????? #define RX_PW_P1 0x12//P1????????????? #define RX_PW_P2 0x13//P2????????????? #define RX_PW_P3 0x14//P3????????????? #define RX_PW_P4 0x15//P4????????????? #define RX_PW_P5 0x16//P5????????????? #define FIFO_STATUS 0x17//FIFO??????? #define uchar unsigned char #define uint unsigned int #define CYCLE 5000 it INL1=P2^0; it INL2=P4^4; it INR1=P4^2; it INR2=P4^1; it INZ1=P7^1; it INZ2=P7^0; it IRQ =P4^0; it MISO =P6^5; //???? it MOSI =P6^7; //??? it SCLK =P6^4; //??? it CSN =P6^6; //??? it CE =P3^2; //??? it ENL=P2^1; it ENR=P4^3; unchar code TxAddr[]={0x34,0x43,0x10,0x10,0x01};//?????? unchar code RxAddr[]={0x34,0x43,0x10,0x10,0x01};//?????? uchar AD[3]; uchar aa,ab,bb,ba,j; void dire(uchar x); void Cspeed(uchar x); void IO_Init() { P1M0 =0X1B; P1M1 =0X20; P0M0 =0X00; P0M1 =0X00; P2M1=0x00; P2M0=0x00; P3M1=0x00; P3M0=0x00; P4M1=0X00; P4M0=0X00; P5M1=0x00; P5M0=0x00; P6M1=0X00; P6M0=0X00; P7M1=0x00; P7M0=0x00; } void PWM_Init() { P_SW2\|=0x80; //??BIT7λ??1????XSFR PWMCFG\|=0x0C; //????PWM4PEM5?????????????1 PWMCKS&=0xE0; //PWMCKS,PWM??????PwmC1K_1T PWMC=CYCLE; //PWM???????????? 2.2KHz PWM4T1=0; //????η?????? PWM4T2=4500; PWM5T1=0; //????η?????? PWM5T2=4500; PWM4CR&=0XF0; //PWM4??????P2.2?????? PWMCR&=~0x40; //???PWM???????????? PWMCR\|=0x0C; //PWM4,PWM5??? PWMCR\|=0x80; //???PWM???η???????PWM????????????? P_SW2&=~0x80; //???????XRAM ENL=0; ENR=0; } void NRFDelay(unint t) { unint x,y; for(x=t;x>0;x--) for(y=110;y>0;y--); } /******************NRF24L01?????????***************************/ void NRF24L01Int() { NRFDelay(2);//???????????? CE=0; CSN=1; //????????Ч?? SCLK=0; //????? IRQ=1; //????????????? } /SPI???????????8λ????*******************************/ unchar NRFSPI(unchar date) { unchar i; for(i=0;i<8;i++) // ???8?? { if(date&0x80) MOSI=1; else MOSI=0; // byte???λ?????MOSI date<<=1; // ?θ?λ??λ?????λ SCLK=1; if(MISO) // ????SCK??nRF24L01??MOSI????1λ?????????MISO???1λ???? date\|=0x01; // ??MISO??byte???λ SCLK=0; // SCK??? } return(date); // ????????????? } /*************SPI??????????????*****************************/ unchar NRFReadReg(unchar RegAddr) { unchar BackDate; CSN=0;//?????? NRFSPI(RegAddr);//д???????? BackDate=NRFSPI(0x00);//д??????????? CSN=1; return(BackDate); //?????? } /*************SPIд????????????*****************************/ unchar NRFWriteReg(unchar RegAddr,unchar date) { unchar BackDate; CSN=0;//?????? BackDate=NRFSPI(RegAddr);//д???? NRFSPI(date);//д??? CSN=1; return(BackDate); } /*************SPI???RXFIFO????????*****************************/ unchar NRFReadRxDate(unchar RegAddr,unchar RxDate,unchar DateLen) { //????????//????????????//??????????//??????? unchar BackDate,i; CSN=0; //??????????Ч BackDate=NRFSPI(RegAddr); //д??????????????? for(i=0;i { RxDate=NRFSPI(0x00); } CSN=1; return(BackDate); } /***************SPIд??TXFIFO????????*******************************/ unchar NRFWriteTxDate(unchar RegAddr,unchar TxDate,unchar DateLen) { //????????//д???????????//??????????//??????? unchar BackDate,i; CSN=0; BackDate=NRFSPI(RegAddr);//д???д?????????? for(i=0;i { NRFSPI(TxDate++); } CSN=1; return(BackDate); } //???????????????? //???????0 ?????1 ??? unchar Check() { int i; unchar buf[5]={0XA5,0XA5,0XA5,0XA5,0XA5}; //д?????? NRFWriteTxDate ( W_REGISTER + TX_ADDR , buf , TX_ADDR_WITDH ); //???????? NRFReadRxDate ( R_REGISTER + TX_ADDR , buf , RX_ADDR_WITDH); //?? for(i=0;i<5;i++) if(buf!=0XA5) break; if(i==5) return 0; return 1; } //void Delay(unsigned int s) //{ // unsigned int i; // for(i=0; i // for(i=0; i //} /*????????????????????**/ void NRF24L01_RX_Mode(void) { NRFWriteTxDate ( W_REGISTER + RX_ADDR_P0 , RxAddr , RX_ADDR_WITDH ); NRFWriteReg( W_REGISTER + EN_AA , 0X01); //??????0?????? NRFWriteReg( W_REGISTER + EN_RXADDR , 0X01); //??????0??????? NRFWriteReg( W_REGISTER + RF_CH , 40); //????RF????40 NRFWriteReg( W_REGISTER + RX_PW_P0 , RX_DATA_WITDH); //2????? NRFWriteReg( W_REGISTER + RF_SETUP , 0X0F); //????TX?????????0db???棬?????????濪?? NRFWriteReg( W_REGISTER + CONFIG , 0X0F); CE = 1; //????????? } /****???????*********/ unchar NRF24L01_RxPacket(unchar rxbuf) { unchar sta; sta = NRFReadReg(STATUS); //????????????? NRFWriteReg( W_REGISTER + STATUS , sta); if(sta & RX_OK) { NRFReadRxDate( R_RX_PAYLOAD , rxbuf , RX_DATA_WITDH ); //?????????? NRFSPI( FLUSH_RX ); //???RX return 0; } return 1; //??н???????? } void Delay1000ms() //@11.0592MHz { unsigned char i, j, k; _nop_(); _nop_(); i = 43; j = 6; k = 203; do { do { while (--k); } while (--j); } while (--i); } void dire(uchar x) //??????? { switch(x) { case 0:INL1=1; INL2=0; //?? INR1=0; INR2=1; break; case 1:INL1=1; INL2=0; //?? INR1=1; INR2=0; break; case 2:INL1=0; INL2=1; //? INR1=0; INR2=1; break; case 3:INL1=0; INL2=1; //?? INR1=1; INR2=0; break; case 4:INL1=0; INL2=0; //?? INR1=0; INR2=0; break; default : break; } } void transAD() { if(AD[0]>140) { Cspeed(0); } if(AD[0]<110) { Cspeed(1); } if(AD[1]>140) { Cspeed(2); } if(AD[1]<110) { Cspeed(3); } if(((AD[0]<139)&&(AD[0]>109))&&((AD[1]<139)&&(AD[1]>109))) { dire(4); } } void Cspeed(uchar x) { switch(x) { case 0: aa=AD[0]-128; P_SW2\|=0x80; PWM4T2=39aa; //????η??????????? PWM5T2=39aa; //????η??????????? P_SW2&=~0x80; dire(0); //?? break; case 1: ab=128-AD[0]; P_SW2\|=0x80; PWM4T2=39ab; //????η??????????? PWM5T2=39ab; //????η??????????? P_SW2&=~0x80; dire(3); //?? break; case 2: bb=(AD[1]-128); P_SW2\|=0x80; PWM4T2=39bb; //????η??????????? PWM5T2=39bb; //????η??????????? dire(2); break; case 3: ba=(128-AD[1]); P_SW2\|=0x80; PWM4T2=39ba; //????η??????????? PWM5T2=39ba; dire(1); break; default: dire(4); break; } } void main() { IO_Init(); //I/O???????? NRF24L01Int(); NRF24L01_RX_Mode(); PWM_Init(); j=Check(); if(j==0) { //??? P77=0; } if(j==1) { while(1) { P77=!P77; Delay1000ms(); } } dire(4); while(1) { if(NRF24L01_RxPacket(AD)) { P77=0; Delay1000ms(); P77=1; Delay1000ms(); } transAD(); } } 2 已退回5积分
2019-3-23 15:56:34　　评论淘帖0 邀请回答您可以邀请以下用户，快速回答问题 × 王亮3 该类别下有 5 个回答。邀请回答 jf_48100613 该类别下有 2 个回答。邀请回答 suibiandade 该类别下有 2 个回答。邀请回答东方不二L 该类别下有 2 个回答。邀请回答 Dowwei 该类别下有 2 个回答。邀请回答 du26548 该类别下有 1 个回答。邀请回答 h1654155948.1778 该类别下有 1 个回答。邀请回答 Twinkle_d3a 该类别下有 1 个回答。邀请回答 moonlightwzj 该类别下有 1 个回答。邀请回答 willerhe 该类别下有 1 个回答。邀请回答 jf_51161645 该类别下有 1 个回答。邀请回答人中八戒该类别下有 1 个回答。邀请回答爱好DIY 该类别下有 1 个回答。邀请回答 jf_99647021 该类别下有 1 个回答。邀请回答李立焱该类别下有 1 个回答。邀请回答海阔2 该类别下有 1 个回答。邀请回答 dqliwx 该类别下有 1 个回答。邀请回答 chrisxiehuailin 该类别下有 1 个回答。邀请回答暴走11 该类别下有 1 个回答。邀请回答 atemphot 该类别下有 1 个回答。邀请回答举报张国相关推荐 • 如何利用NRF2401来做一个简单的遥控？ 1681 • 请问NRF2401掉电可否接收数据 1118 • 关于51单片机NRF2401与STM32的NRF2401之间的通讯问题 3441 • 51写的NRF2401为什么在STM32上不能接收到呢？ 711 • 请问NRF2401模块如何抗干扰？ 1615 • 如何把NRF2401直接画进pcb里？ 2179 • 请问NRF2401主机和从机之间如何互相发送和接收数据？ 1170 • 怎样使用STM32F407和NRF2401 WIFI模块去完成NRF2401模块的配置呢 1427 • mega8调试NRF2401接收不到 1773 • Minifly遥控器NRF24L01如何通信？ 2302 3个回答

答案对人有帮助，有参考价值 0 地址那不相同我忘了修改，相同时还是不能传输数据

2019-3-23 16:00:00 评论举报张国

答案对人有帮助，有参考价值 0 参数设置有问题

2019-3-23 16:59:50 1 评论举报刘静 1 条评论张国 2019-3-24 10:24 你好，应该怎么设置参数呢？？赞回复举报