- void loop() {
- Serial.print( "循环第" );
- Serial.print(i, HEX );
- Serial.println("次");
- /***********1.读取EN_AA等寄存器的配置值*******************/
- Mirf.readRegister(EN_AA,&temp[0],1); //读取寄存器配置值
- Serial.print( "EN_AA:" );
- Serial.println( temp[0], HEX );
-
- Mirf.readRegister(EN_RXADDR,&temp[0],1); //读取寄存器配置值
- Serial.print( "EN_RXADDR:" );
- Serial.println( temp[0], HEX );
- Mirf.readRegister(SETUP_RETR,&temp[0],1); //读取寄存器配置值
- Serial.print( "SETUP_RETR:" );
- Serial.println( temp[0], HEX );
-
- Mirf.readRegister(CONFIG,&temp[0],1); //读取寄存器配置值
- Serial.print( "CONFIG:" );
- Serial.println( temp[0], HEX );
- /***********2.读取STATUS等寄存器的初始值*******************/
- //Mirf.readRegister(STATUS,&temp[0],1); //读取寄存器配置值
- temp[0] = Mirf.getStatus();
- Serial.print( "发送前STATUS:" );
- Serial.println( temp[0], HEX );
-
- Mirf.readRegister(FIFO_STATUS,&temp[0],1); //读取寄存器配置值
- Serial.print( "发送前FIFO_STATUS:" );
- Serial.println( temp[0], HEX );
- /**************3.发送数据*******************/
- Mirf.send(PC_Buf); //发送指令，发送32字节数据
- //while(Mirf.isSending()) delay(20); //直到发送成功(TX_DS为1)，退出循环 20220529卡死
- /***********4.读取STATUS等寄存器的初始值*******************/
- Mirf.readRegister(STATUS,&temp[0],1); //读取寄存器配置值
- Serial.print( "发送后STATUS:" );
- Serial.println( temp[0], HEX );
- Mirf.readRegister(FIFO_STATUS,&temp[0],1); //读取寄存器配置值
- Serial.print( "发送后FIFO_STATUS1:" );
- Serial.println( temp[0], HEX );
- //Mirf.writeRegister(STATUS,0xff,1); //改造为清除状态寄存器
- delay(1000*i); if(i<5)i++; //此行为节奏控制，后续可删除
- ｝
- void Nrf24l::init()
- // Initializes pins to communicate with the MiRF module
- // Should be called in the early initializing phase at startup.
- {
- pinMode(cePin,OUTPUT); //CE配置为输出
- pinMode(csnPin,OUTPUT); //CSN配置为输出
- ceLow(); //默认配置为低，待机1：无数据传输
- csnHi(); //默认配置为高，片选禁用
- // Initialize spi module
- spi->begin(); //启动SPI
- }
- void Nrf24l::config() //改造为默认保持收
- // Sets the important registers in the MiRF module and powers the module
- // in receiving mode
- // NB: channel and payload must be set now.
- {
- // Set RF channel
- configRegister(RF_CH,channel); //待核实
-
- // Set length of incoming payload
- configRegister(RX_PW_P0, payload); //数据包长度
- configRegister(RX_PW_P1, payload);
- // Start receiver
- powerUpRx(); //默认为接收态
- flushRx(); //不知用途
- }
- void Nrf24l::setRADDR(uint8_t * adr)
- // Sets the receiving address 设置接收地址
- {
- ceLow();
- writeRegister(RX_ADDR_P1,adr,mirf_ADDR_LEN);
- ceHi();
- }
- void Nrf24l::setTADDR(uint8_t * adr)
- // Sets the transmitting address 设置发送地址
- {
- /*
- * RX_ADDR_P0 must be set to the sending addr for auto ack to work.
- */
- writeRegister(RX_ADDR_P0,adr,mirf_ADDR_LEN);
- writeRegister(TX_ADDR,adr,mirf_ADDR_LEN);
- }
- void Nrf24l::send(uint8_t * value)
- {
- uint8_t status,f_status;
- status = getStatus();
- while (PTX) { //PTX标志为1(发送态时)，判断是否完成处于发送中
- status = getStatus();
- //status第4、5位任何一位置位，就表明完成了上次发送
- if((status & (1 << TX_DS))){//((1 << TX_DS) | (1 << MAX_RT)))){ //数据发送完成中断 或 达到最大重发
- PTX = 0; //标志状态回归接收态
- break;
- }//Serial.print( "当前:PTX=1，异常" ); //20220607因TX_DS未变，导致始终输出
- } // Wait until last paket is send
-
- ceLow(); //StandBy I模式
- powerUpTx(); // Set to transmitter mode , Power up
-
- csnLow(); // Pull down chip select
- spi->transfer(FLUSH_TX); // Write cmd to flush tx fifo
- csnHi(); // Pull up chip select
- delayMicroseconds(50); //延时至少保持5us
- //装填数据
- csnLow(); // Pull down chip select 片选有效
- spi->transfer( W_TX_PAYLOAD ); // Write cmd to write payload
- transmitSync(value,payload); // 【关键动作发送】Write payload
- csnHi(); // CSN拉高结束向FIFO写数据
- //置高发射
- ceHi(); // Start transmission
- delayMicroseconds(130);
- //串口监控代码
- status=getStatus();
- Serial.print( "Mirf中send函数段：status=" );
- Serial.println(status, HEX );
- }
- void Nrf24l::powerUpTx(){
- PTX = 1;
- //20220529编写 待验证
- csnHi(); // Pull up chip select
- setTADDR(Tx_addr); //写发送端地址TX_ADDR 和接收端地址RX_ADDR_P0
- setRADDR(Rx_addr); //写接收端RX_ADDR_P1地址（CE电平拉低写地址后变高）
- //RX_ADDR_P0
- writeRegister(RX_ADDR_P0,Rx_addr,mirf_ADDR_LEN);
- writeRegister(TX_ADDR,Tx_addr,mirf_ADDR_LEN);
- configRegister(EN_AA,0x00); //自动应答ACK禁止
- configRegister(EN_RXADDR,0x00); //[发送专用]允许接收地址只有频道0
- configRegister(SETUP_RETR,0x00); //[调试]自动重发禁用
- configRegister(RF_CH,channel); //Set RF channel
- configRegister(RF_SETUP,0x0f); //设置发射速率2MHz,发射功率为最大值0dB
- // Set length of incoming payload
- configRegister(RX_PW_P0, payload);
- configRegister(CONFIG, 0x3e);//, mirf_CONFIG | ( (1<<PWR_UP) | (0<<PRIM_RX) ) );
- //20220529编写 待验证^^^^^^
- }
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