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這是ARDUINO的程式碼! <br />
/*********************************************************************<div>** Device: nRF24L01+ **</div>
<div>** File: EF_nRF24L01_TX.c **</div>
<div>** **</div>
<div>** **</div>
<div>** Copyright (C) 2011 ElecFraks. **</div>
<div>** This example code is in the public domain. **</div>
<div>** **</div>
<div>** Description: **</div>
<div>** This file is a sample code for your reference. **</div>
<div>** It's the v1.0 nRF24L01+ Hardware SPI by arduino **</div>
<div>** Created by ElecFreaks. Robi.W,11 June 2011 **</div>
<div>** **</div>
<div>** http://www.elecfreaks.com **</div>
<div>** **</div>
<div>** SPI-compatible **</div>
<div>** CS - to digital pin 8 **</div>
<div>** CSN - to digital pin 9 (SS pin) **</div>
<div>** MOSI - to digital pin 11 (MOSI pin) **</div>
<div>** MISO - to digital pin 12 (MISO pin) **</div>
<div>** CLK - to digital pin 13 (SCK pin) **</div>
<div>*********************************************************************/</div>
<div><br />
</div>
<div>#include <SPI.h></div>
<div>#include "API.h"</div>
<div>#include "nRF24L01.h"</div>
<div><br />
</div>
<div>//***************************************************</div>
<div>#define TX_ADR_WIDTH 5 // 5 unsigned chars TX(RX) address width</div>
<div>#define TX_PLOAD_WIDTH 32 // 32 unsigned chars TX payload</div>
<div><br />
</div>
<div>unsigned char TX_ADDRESS[TX_ADR_WIDTH] = </div>
<div>{</div>
<div> 0x34,0x43,0x10,0x10,0x01</div>
<div>}; // Define a static TX address</div>
<div><br />
</div>
<div>unsigned char rx_buf[TX_PLOAD_WIDTH] = {0}; // initialize value</div>
<div>unsigned char tx_buf[TX_PLOAD_WIDTH] = {0};</div>
<div>//***************************************************</div>
<div>void setup() </div>
<div>{</div>
<div> Serial.begin(9600);</div>
<div> pinMode(CE, OUTPUT);</div>
<div> pinMode(CSN, OUTPUT);</div>
<div> pinMode(IRQ, INPUT);</div>
<div> SPI.begin();</div>
<div> delay(50);</div>
<div> init_io(); // Initialize IO port</div>
<div> unsigned char sstatus=SPI_Read(STATUS);</div>
<div> Serial.println("*******************TX_Mode Start****************************");</div>
<div> Serial.print("status = "); </div>
<div> Serial.println(sstatus,HEX); // There is read the mode’s status register, the default value should be ‘E’</div>
<div> TX_Mode(); // set TX mode</div>
<div>}</div>
<div><br />
</div>
<div>void loop() </div>
<div>{</div>
<div> int k = 0;</div>
<div> for(;;)</div>
<div> {</div>
<div> for(int i=0; i<32; i++)</div>
<div> tx_buf = k++; </div>
<div> unsigned char sstatus = SPI_Read(STATUS); // read register STATUS's value</div>
<div> if(sstatus&TX_DS) // if receive data ready (TX_DS) interrupt</div>
<div> {</div>
<div> SPI_RW_Reg(FLUSH_TX,0); </div>
<div> SPI_Write_Buf(WR_TX_PLOAD,tx_buf,TX_PLOAD_WIDTH); // write playload to TX_FIFO</div>
<div> }</div>
<div> if(sstatus&MAX_RT) // if receive data ready (MAX_RT) interrupt, this is retransmit than SETUP_RETR </div>
<div> {</div>
<div> SPI_RW_Reg(FLUSH_TX,0);</div>
<div> SPI_Write_Buf(WR_TX_PLOAD,tx_buf,TX_PLOAD_WIDTH); // disable standy-mode</div>
<div> }</div>
<div> SPI_RW_Reg(WRITE_REG+STATUS,sstatus); // clear RX_DR or TX_DS or MAX_RT interrupt flag</div>
<div> delay(1000);</div>
<div> }</div>
<div>}</div>
<div><br />
</div>
<div>//**************************************************</div>
<div>// Function: init_io();</div>
<div>// Description:</div>
<div>// flash led one time,chip enable(ready to TX or RX Mode),</div>
<div>// Spi disable,Spi clock line init high</div>
<div>//**************************************************</div>
<div>void init_io(void)</div>
<div>{</div>
<div> digitalWrite(IRQ, 0);</div>
<div> digitalWrite(CE, 0);<span class="Apple-tab-span" style="white-space:pre;"> </span>// chip enable</div>
<div> digitalWrite(CSN, 1); // Spi disable<span class="Apple-tab-span" style="white-space:pre;"> </span></div>
<div>}</div>
<div><br />
</div>
<div>/************************************************************************</div>
<div>** * Function: SPI_RW();</div>
<div> * </div>
<div> * Description:</div>
<div> * Writes one unsigned char to nRF24L01, and return the unsigned char read</div>
<div> * from nRF24L01 during write, according to SPI protocol</div>
<div>************************************************************************/</div>
<div>unsigned char SPI_RW(unsigned char Byte)</div>
<div>{</div>
<div> return SPI.transfer(Byte);</div>
<div>}</div>
<div><br />
</div>
<div>/**************************************************/</div>
<div><br />
</div>
<div>/**************************************************</div>
<div> * Function: SPI_RW_Reg();</div>
<div> * </div>
<div> * Description:</div>
<div> * Writes value 'value' to register 'reg'</div>
<div>/**************************************************/</div>
<div>unsigned char SPI_RW_Reg(unsigned char reg, unsigned char value)</div>
<div>{</div>
<div> unsigned char status;</div>
<div><br />
</div>
<div> digitalWrite(CSN, 0); // CSN low, init SPI transaction</div>
<div> SPI_RW(reg); // select register</div>
<div> SPI_RW(value); // ..and write value to it..</div>
<div> digitalWrite(CSN, 1); // CSN high again</div>
<div><br />
</div>
<div> return(status); // return nRF24L01 status unsigned char</div>
<div>}</div>
<div>/**************************************************/</div>
<div><br />
</div>
<div>/**************************************************</div>
<div> * Function: SPI_Read();</div>
<div> * </div>
<div> * Description:</div>
<div> * Read one unsigned char from nRF24L01 register, 'reg'</div>
<div>/**************************************************/</div>
<div>unsigned char SPI_Read(unsigned char reg)</div>
<div>{</div>
<div> unsigned char reg_val;</div>
<div><br />
</div>
<div> digitalWrite(CSN, 0); // CSN low, initialize SPI communication...</div>
<div> SPI_RW(reg); // Select register to read from..</div>
<div> reg_val = SPI_RW(0); // ..then read register value</div>
<div> digitalWrite(CSN, 1); // CSN high, terminate SPI communication</div>
<div><br />
</div>
<div> return(reg_val); // return register value</div>
<div>}</div>
<div>/**************************************************/</div>
<div><br />
</div>
<div>/**************************************************</div>
<div> * Function: SPI_Read_Buf();</div>
<div> * </div>
<div> * Description:</div>
<div> * Reads 'unsigned chars' #of unsigned chars from register 'reg'</div>
<div> * Typically used to read RX payload, Rx/Tx address</div>
<div>/**************************************************/</div>
<div>unsigned char SPI_Read_Buf(unsigned char reg, unsigned char *pBuf, unsigned char bytes)</div>
<div>{</div>
<div> unsigned char sstatus,i;</div>
<div><br />
</div>
<div> digitalWrite(CSN, 0); // Set CSN low, init SPI tranaction</div>
<div> sstatus = SPI_RW(reg); <span class="Apple-tab-span" style="white-space:pre;"> </span> // Select register to write to and read status unsigned char</div>
<div><br />
</div>
<div> for(i=0;i<bytes;i++)</div>
<div> {</div>
<div> pBuf = SPI_RW(0); // Perform SPI_RW to read unsigned char from nRF24L01</div>
<div> }</div>
<div><br />
</div>
<div> digitalWrite(CSN, 1); // Set CSN high again</div>
<div><br />
</div>
<div> return(sstatus); // return nRF24L01 status unsigned char</div>
<div>}</div>
<div>/**************************************************/</div>
<div><br />
</div>
<div>/**************************************************</div>
<div> * Function: SPI_Write_Buf();</div>
<div> * </div>
<div> * Description:</div>
<div> * Writes contents of buffer '*pBuf' to nRF24L01</div>
<div> * Typically used to write TX payload, Rx/Tx address</div>
<div>/**************************************************/</div>
<div>unsigned char SPI_Write_Buf(unsigned char reg, unsigned char *pBuf, unsigned char bytes)</div>
<div>{</div>
<div> unsigned char sstatus,i;</div>
<div><br />
</div>
<div> digitalWrite(CSN, 0); // Set CSN low, init SPI tranaction</div>
<div> sstatus = SPI_RW(reg); // Select register to write to and read status unsigned char</div>
<div> for(i=0;i<bytes; i++) // then write all unsigned char in buffer(*pBuf)</div>
<div> {</div>
<div> SPI_RW(*pBuf++);</div>
<div> }</div>
<div> digitalWrite(CSN, 1); // Set CSN high again</div>
<div> return(sstatus); // return nRF24L01 status unsigned char</div>
<div>}</div>
<div>/**************************************************/</div>
<div><br />
</div>
<div>/**************************************************</div>
<div> * Function: TX_Mode();</div>
<div> * </div>
<div> * Description:</div>
<div> * This function initializes one nRF24L01 device to</div>
<div> * TX mode, set TX address, set RX address for auto.ack,</div>
<div> * fill TX payload, select RF channel, datarate & TX pwr.</div>
<div> * PWR_UP is set, CRC(2 unsigned chars) is enabled, & PRIM:TX.</div>
<div> * </div>
<div> * ToDo: One high pulse(>10us) on CE will now send this</div>
<div> * packet and expext an acknowledgment from the RX device.</div>
<div> **************************************************/</div>
<div>void TX_Mode(void)</div>
<div>{</div>
<div> digitalWrite(CE, 0);</div>
<div><br />
</div>
<div> SPI_Write_Buf(WRITE_REG + TX_ADDR, TX_ADDRESS, TX_ADR_WIDTH); // Writes TX_Address to nRF24L01</div>
<div> SPI_Write_Buf(WRITE_REG + RX_ADDR_P0, TX_ADDRESS, TX_ADR_WIDTH); // RX_Addr0 same as TX_Adr for Auto.Ack</div>
<div><br />
</div>
<div> SPI_RW_Reg(WRITE_REG + EN_AA, 0x01); // Enable Auto.Ack ipe0</div>
<div> SPI_RW_Reg(WRITE_REG + EN_RXADDR, 0x01); // Enable Pipe0</div>
<div> SPI_RW_Reg(WRITE_REG + SETUP_RETR, 0x1a); // 500us + 86us, 10 retrans...</div>
<div> SPI_RW_Reg(WRITE_REG + RF_CH, 40); // Select RF channel 40</div>
<div> SPI_RW_Reg(WRITE_REG + RF_SETUP, 0x07); // TX_PWR:0dBm, Datarate:2Mbps, LNA:HCURR</div>
<div> SPI_RW_Reg(WRITE_REG + CONFIG, 0x0e); // Set PWR_UP bit, enable CRC(2 unsigned chars) & Prim:TX. MAX_RT & TX_DS enabled..</div>
<div> SPI_Write_Buf(WR_TX_PLOAD,tx_buf,TX_PLOAD_WIDTH);</div>
<div><br />
</div>
<div> digitalWrite(CE, 1);</div>
<div>} <br />
===============================================================================================<br />
===============================================================================================<br />
===============================================================================================<br />
<br />
<div>/*********************************************************************</div>
<div>** Device: nRF24L01+ **</div>
<div>** File: EF_nRF24L01_RX.c **</div>
<div>** **</div>
<div>** **</div>
<div>** Copyright (C) 2011 ElecFraks. **</div>
<div>** This example code is in the public domain. **</div>
<div>** **</div>
<div>** Description: **</div>
<div>** This file is a sample code for your reference. **</div>
<div>** It's the v1.0 nRF24L01+ Hardware SPI by arduino **</div>
<div>** Created by ElecFreaks. Robi.W,11 June 2011 **</div>
<div>** **</div>
<div>** http://www.elecfreaks.com **</div>
<div>** **</div>
<div>** SPI-compatible **</div>
<div>** CS - to digital pin 8 **</div>
<div>** CSN - to digital pin 9 (SS pin) **</div>
<div>** MOSI - to digital pin 11 (MOSI pin) **</div>
<div>** MISO - to digital pin 12 (MISO pin) **</div>
<div>** CLK - to digital pin 13 (SCK pin) **</div>
<div>*********************************************************************/</div>
<div><br />
</div>
<div><br />
</div>
<div>#include <SPI.h></div>
<div>#include "API.h"</div>
<div>#include "nRF24L01.h"</div>
<div><br />
</div>
<div>//***************************************************</div>
<div>#define TX_ADR_WIDTH 5 // 5 unsigned chars TX(RX) address width</div>
<div>#define TX_PLOAD_WIDTH 32 // 32 unsigned chars TX payload</div>
<div><br />
</div>
<div>unsigned char TX_ADDRESS[TX_ADR_WIDTH] = </div>
<div>{</div>
<div> 0x34,0x43,0x10,0x10,0x01</div>
<div>}; // Define a static TX address</div>
<div><br />
</div>
<div>unsigned char rx_buf[TX_PLOAD_WIDTH] = {0}; // initialize value</div>
<div>unsigned char tx_buf[TX_PLOAD_WIDTH] = {0};</div>
<div>//***************************************************</div>
<div>void setup() </div>
<div>{</div>
<div> Serial.begin(9600);</div>
<div> pinMode(CE, OUTPUT);</div>
<div> pinMode(CSN, OUTPUT);</div>
<div> pinMode(IRQ, INPUT);</div>
<div> SPI.begin();</div>
<div> delay(50);</div>
<div> init_io(); // Initialize IO port</div>
<div> unsigned char sstatus=SPI_Read(STATUS);</div>
<div> Serial.println("*******************RX_Mode Start****************************");</div>
<div> Serial.print("status = "); </div>
<div> Serial.println(sstatus,HEX); // There is read the mode’s status register, the default value should be ‘E’</div>
<div> RX_Mode(); // set RX mode</div>
<div>}</div>
<div><br />
</div>
<div>void loop() </div>
<div>{</div>
<div> for(;;)</div>
<div> {</div>
<div> unsigned char status = SPI_Read(STATUS); // read register STATUS's value</div>
<div> if(status&RX_DR) // if receive data ready (TX_DS) interrupt</div>
<div> {</div>
<div> SPI_Read_Buf(RD_RX_PLOAD, rx_buf, TX_PLOAD_WIDTH); // read playload to rx_buf</div>
<div> SPI_RW_Reg(FLUSH_RX,0); // clear RX_FIFO</div>
<div> for(int i=0; i<32; i++)</div>
<div> {</div>
<div> Serial.print(" ");</div>
<div> Serial.print(rx_buf,HEX); // print rx_buf</div>
<div> }</div>
<div> Serial.println(" ");</div>
<div> }</div>
<div> SPI_RW_Reg(WRITE_REG+STATUS,status); // clear RX_DR or TX_DS or MAX_RT interrupt flag</div>
<div> delay(1000);</div>
<div> }</div>
<div>}</div>
<div><br />
</div>
<div>//**************************************************</div>
<div>// Function: init_io();</div>
<div>// Description:</div>
<div>// flash led one time,chip enable(ready to TX or RX Mode),</div>
<div>// Spi disable,Spi clock line init high</div>
<div>//**************************************************</div>
<div>void init_io(void)</div>
<div>{</div>
<div> digitalWrite(IRQ, 0);</div>
<div> digitalWrite(CE, 0);<span class="Apple-tab-span" style="white-space:pre;"> </span>// chip enable</div>
<div> digitalWrite(CSN, 1); // Spi disable<span class="Apple-tab-span" style="white-space:pre;"> </span></div>
<div>}</div>
<div><br />
</div>
<div>/************************************************************************</div>
<div>** * Function: SPI_RW();</div>
<div> * </div>
<div> * Description:</div>
<div> * Writes one unsigned char to nRF24L01, and return the unsigned char read</div>
<div> * from nRF24L01 during write, according to SPI protocol</div>
<div>************************************************************************/</div>
<div>unsigned char SPI_RW(unsigned char Byte)</div>
<div>{</div>
<div> return SPI.transfer(Byte);</div>
<div>}</div>
<div><br />
</div>
<div>/**************************************************/</div>
<div><br />
</div>
<div>/**************************************************</div>
<div> * Function: SPI_RW_Reg();</div>
<div> * </div>
<div> * Description:</div>
<div> * Writes value 'value' to register 'reg'</div>
<div>/**************************************************/</div>
<div>unsigned char SPI_RW_Reg(unsigned char reg, unsigned char value)</div>
<div>{</div>
<div> unsigned char status;</div>
<div><br />
</div>
<div> digitalWrite(CSN, 0); // CSN low, init SPI transaction</div>
<div> SPI_RW(reg); // select register</div>
<div> SPI_RW(value); // ..and write value to it..</div>
<div> digitalWrite(CSN, 1); // CSN high again</div>
<div><br />
</div>
<div> return(status); // return nRF24L01 status unsigned char</div>
<div>}</div>
<div>/**************************************************/</div>
<div><br />
</div>
<div>/**************************************************</div>
<div> * Function: SPI_Read();</div>
<div> * </div>
<div> * Description:</div>
<div> * Read one unsigned char from nRF24L01 register, 'reg'</div>
<div>/**************************************************/</div>
<div>unsigned char SPI_Read(unsigned char reg)</div>
<div>{</div>
<div> unsigned char reg_val;</div>
<div><br />
</div>
<div> digitalWrite(CSN, 0); // CSN low, initialize SPI communication...</div>
<div> SPI_RW(reg); // Select register to read from..</div>
<div> reg_val = SPI_RW(0); // ..then read register value</div>
<div> digitalWrite(CSN, 1); // CSN high, terminate SPI communication</div>
<div><br />
</div>
<div> return(reg_val); // return register value</div>
<div>}</div>
<div>/**************************************************/</div>
<div><br />
</div>
<div>/**************************************************</div>
<div> * Function: SPI_Read_Buf();</div>
<div> * </div>
<div> * Description:</div>
<div> * Reads 'unsigned chars' #of unsigned chars from register 'reg'</div>
<div> * Typically used to read RX payload, Rx/Tx address</div>
<div>/**************************************************/</div>
<div>unsigned char SPI_Read_Buf(unsigned char reg, unsigned char *pBuf, unsigned char bytes)</div>
<div>{</div>
<div> unsigned char sstatus,i;</div>
<div><br />
</div>
<div> digitalWrite(CSN, 0); // Set CSN low, init SPI tranaction</div>
<div> sstatus = SPI_RW(reg); <span class="Apple-tab-span" style="white-space:pre;"> </span> // Select register to write to and read status unsigned char</div>
<div><br />
</div>
<div> for(i=0;i<bytes;i++)</div>
<div> {</div>
<div> pBuf = SPI_RW(0); // Perform SPI_RW to read unsigned char from nRF24L01</div>
<div> }</div>
<div><br />
</div>
<div> digitalWrite(CSN, 1); // Set CSN high again</div>
<div><br />
</div>
<div> return(sstatus); // return nRF24L01 status unsigned char</div>
<div>}</div>
<div>/**************************************************/</div>
<div><br />
</div>
<div>/**************************************************</div>
<div> * Function: SPI_Write_Buf();</div>
<div> * </div>
<div> * Description:</div>
<div> * Writes contents of buffer '*pBuf' to nRF24L01</div>
<div> * Typically used to write TX payload, Rx/Tx address</div>
<div>/**************************************************/</div>
<div>unsigned char SPI_Write_Buf(unsigned char reg, unsigned char *pBuf, unsigned char bytes)</div>
<div>{</div>
<div> unsigned char sstatus,i;</div>
<div><br />
</div>
<div> digitalWrite(CSN, 0); // Set CSN low, init SPI tranaction</div>
<div> sstatus = SPI_RW(reg); // Select register to write to and read status unsigned char</div>
<div> for(i=0;i<bytes; i++) // then write all unsigned char in buffer(*pBuf)</div>
<div> {</div>
<div> SPI_RW(*pBuf++);</div>
<div> }</div>
<div> digitalWrite(CSN, 1); // Set CSN high again</div>
<div> return(sstatus); // return nRF24L01 status unsigned char</div>
<div>}</div>
<div>/**************************************************/</div>
<div><br />
</div>
<div>void RX_Mode(void)</div>
<div>{</div>
<div> digitalWrite(CE, 0);</div>
<div> </div>
<div> SPI_Write_Buf(WRITE_REG + RX_ADDR_P0, TX_ADDRESS, TX_ADR_WIDTH); // Use the same address on the RX device as the TX device</div>
<div> SPI_RW_Reg(WRITE_REG + EN_AA, 0x01); // Enable Auto.Ackipe0</div>
<div> SPI_RW_Reg(WRITE_REG + EN_RXADDR, 0x01); // Enable Pipe0</div>
<div> SPI_RW_Reg(WRITE_REG + RF_CH, 40); // Select RF channel 40</div>
<div> SPI_RW_Reg(WRITE_REG + RX_PW_P0, TX_PLOAD_WIDTH); // Select same RX payload width as TX Payload width</div>
<div> SPI_RW_Reg(WRITE_REG + RF_SETUP, 0x07); // TX_PWR:0dBm, Datarate:2Mbps, LNA:HCURR</div>
<div> SPI_RW_Reg(WRITE_REG + CONFIG, 0x0f); // Set PWR_UP bit, enable CRC(2 unsigned chars) & Prim:RX. RX_DR enabled..</div>
<div> digitalWrite(CE, 1); // Set CE pin high to enable RX device</div>
<div> // This device is now ready to receive one packet of 16 unsigned chars payload from a TX device sending to address</div>
<div> // '3443101001', with auto acknowledgment, retransmit count of 10, RF channel 40 and datarate = 2Mbps.</div>
<div>}<br />
<br />
<br />
<br />
</div>
原子大!! 我想將上面ARDUINO的碼轉到您的板子上使用, 我想請教您有什麼需要特別注意的呢??<br />
<br />
那在請教一下 u8 和 unsigned char 他們是一樣的嗎? <br />
<br />
我用您庫的方式將arduino的碼轉完 燒到板子上,,不能動作!!<br />
<br />
麻煩您看一下原子大...謝謝!!<br />
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发表于 2012-1-31 21:36:55
发表于 2012-1-31 22:54:43
楼主
