#include#include #include typedef unsigned char uchar; typedef unsigned char uint; sbit MISO=P1^5; sbit MOSI=P1^4; sbit SCK=P1^3; sbit CE=P1^1; sbit CSN=P1^2; sbit IRQ=P3^3; sbit KEY1=P3^4; sbit KEY2=P3^5; sbit KEY3=P3^6; sbit KEY4=P3^7; #define TX_ADR_WIDTH 5 #define RX_ADR_WIDTH 5 #define TX_PLOAD_WIDTH 20 #define RX_PLOAD_WIDTH 20 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 #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 #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 #define EN_RXADDR 0x02 // 可用信道设置 #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 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 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); void Delay(unsigned int s) { unsigned int i; for(i=0; i 0;n--) _nop_(); } void init_NRF24L01(void) { inerDelay_us(100); CE=0; CSN=1; SCK=0; SPI_Write_Buf(WRITE_REG + TX_ADDR, TX_ADDRESS, TX_ADR_WIDTH); SPI_Write_Buf(WRITE_REG + RX_ADDR_P0, RX_ADDRESS, RX_ADR_WIDTH); SPI_RW_Reg(WRITE_REG + EN_AA, 0x01); SPI_RW_Reg(WRITE_REG + EN_RXADDR, 0x01); SPI_RW_Reg(WRITE_REG + RF_CH, 0); SPI_RW_Reg(WRITE_REG + RX_PW_P0, RX_PLOAD_WIDTH); SPI_RW_Reg(WRITE_REG + RF_SETUP, 0x07); } uint SPI_RW(uint uchar) { uint bit_ctr; for(bit_ctr=0;bit_ctr<8;bit_ctr++) { MOSI = (uchar & 0x80); uchar = (uchar << 1); SCK = 1; uchar |= MISO; SCK = 0; } return(uchar); } uchar SPI_Read(uchar reg) { uchar reg_val; CSN = 0; SPI_RW(reg); reg_val = SPI_RW(0); CSN = 1; return(reg_val); } uint SPI_RW_Reg(uchar reg, uchar value) { uint status; CSN = 0; status = SPI_RW(reg); SPI_RW(value); CSN = 1; return(status); } uint SPI_Read_Buf(uchar reg, uchar *pBuf, uchar uchars) { uint status,uchar_ctr; CSN = 0; status = SPI_RW(reg); for(uchar_ctr=0;uchar_ctr
接收端程序如下:
#include#include #include typedef unsigned char uchar; typedef unsigned char uint; sbit MISO=P1^5; sbit MOSI=P1^4; sbit SCK=P1^3; sbit CE=P1^1; sbit CSN=P1^2; sbit IRQ=P3^3; sbit KEY1=P3^4; sbit KEY2=P3^5; sbit KEY3=P3^6; sbit KEY4=P3^7; #define TX_ADR_WIDTH 5 #define RX_ADR_WIDTH 5 #define TX_PLOAD_WIDTH 20 #define RX_PLOAD_WIDTH 20 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 #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 #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 #define EN_RXADDR 0x02 // 可用信道设置 #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 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 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); uchar flag_0; uchar flag_1; unsigned int num; void Delay(unsigned int s) { unsigned int i; for(i=0; i 0;n--) _nop_(); } void init_NRF24L01(void) { inerDelay_us(100); CE=0; CSN=1; SCK=0; SPI_Write_Buf(WRITE_REG + TX_ADDR, TX_ADDRESS, TX_ADR_WIDTH); SPI_Write_Buf(WRITE_REG + RX_ADDR_P0, RX_ADDRESS, RX_ADR_WIDTH); SPI_RW_Reg(WRITE_REG + EN_AA, 0x01); SPI_RW_Reg(WRITE_REG + EN_RXADDR, 0x01); SPI_RW_Reg(WRITE_REG + RF_CH, 0); SPI_RW_Reg(WRITE_REG + RX_PW_P0, RX_PLOAD_WIDTH); SPI_RW_Reg(WRITE_REG + RF_SETUP, 0x07); } uint SPI_RW(uint uchar) { uint bit_ctr; for(bit_ctr=0;bit_ctr<8;bit_ctr++) { MOSI = (uchar & 0x80); uchar = (uchar << 1); SCK = 1; uchar |= MISO; SCK = 0; } return(uchar); } uchar SPI_Read(uchar reg) { uchar reg_val; CSN = 0; SPI_RW(reg); reg_val = SPI_RW(0); CSN = 1; return(reg_val); } uint SPI_RW_Reg(uchar reg, uchar value) { uint status; CSN = 0; status = SPI_RW(reg); SPI_RW(value); CSN = 1; return(status); } uint SPI_Read_Buf(uchar reg, uchar *pBuf, uchar uchars) { uint status,uchar_ctr; CSN = 0; status = SPI_RW(reg); for(uchar_ctr=0;uchar_ctr=2500) PWM_Value[0]=2500; if(PWM_Value[1]>=2500) PWM_Value[1]=2500; if(PWM_Value[0]<=500) PWM_Value[0]=500; if(PWM_Value[1]<=500) PWM_Value[1]=500; switch(order) { case 1:PWM_OUT0=1; TH0=(65536-PWM_Value[0])>>8; TL0=(uchar)(65536-PWM_Value[0]); break; case 2:PWM_OUT0=0; TH0=(65536-(5000-PWM_Value[0]))>>8; TL0=(uchar)(65536-(5000-PWM_Value[0])); break; case 3:PWM_OUT1=1; TH0=(65536-PWM_Value[1])>>8; TL0=(uchar)(65536-PWM_Value[1]); break; case 4:PWM_OUT1=0; TH0=(65536-(5000-PWM_Value[1]))>>8; TL0=(uchar)(65536-(5000-PWM_Value[1])); break; case 5: TH0=60536>>8; TL0=(uchar)60536; break; case 6: TH0=60536>>8; TL0=(uchar)60536; order=0; break; default: order=0; break; } order++; }
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