This is a work in progress for an NRF2401P
Dependents: NRF_receiver sender locker4 Weather_Station_Ofiicial ... more
About
This is a simple library to drive the nRF24l01+.
Hardware
This uses the commonly available breakout. The connections are shown below
Software
Use case: For a simple transmitter
tx code snipet
#include "NRF2401P.h" int main() { * * long long addr1=0xAB00CD; // setup address - any 5 byte number - same as RX * int channel =0x12; // [0-126] setup channel, must be same as RX * bool txOK; * char msg[32]; * char ackData[32]; * char len; * * // Setup * NRF2401P nrf1(PTD6,PTD7, PTD5,PTD4, PTC12); //mosi, miso, sclk, csn, ce) * nrf1.quickTxSetup(channel, addr1); // sets nrf24l01+ as transmitter * * // transmit * strcpy (msg, "Hello"); * txOK= nrf1.transmitData(msg,strlen(msg)); * * // read ack data if available * if (nrf1.isAckData()) { * len= nrf1.getRxData(ackData); // len is number of bytes in ackData * } *}
Use case: For a simple receiver
rx code snipet
#include "NRF2401P.h" *int main(){ * * long long addr1=0xAB00CD; // setup address - any 5 byte number - same as TX * int channel =0x12; // [0-126] setup channel, must be same as TX * bool txOK; * char msg[32]; * char ackData[32]; * char len; * * // Setup * NRF2401P nrf1(PTD6,PTD7, PTD5,PTD4, PTC12); //mosi, miso, sclk, csn, ce) * nrf1.quickRxSetup(channel, addr1); // sets nrf24l01+ as receiver, using pipe 1 * * // set ack data * sprintf(ackData,"Ack data"); * nrf1.acknowledgeData(ackData, strlen(ackData),1); // ack for pipe 1 * * // receive * while (! nrf1.isRxData()); // note this blocks until RX data * len= nrf1.getRxData(msg); // gets the message, len is length of msg * *}
NRF2401P.h
- Committer:
- epgmdm
- Date:
- 2015-06-18
- Revision:
- 15:9998698cb041
- Parent:
- 5:7e253c677a1f
File content as of revision 15:9998698cb041:
/** *@section DESCRIPTION * mbed NRF2401+ Library *@section LICENSE * Copyright (c) 2015, Malcolm McCulloch * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. * @file "NRF2401P.h" */ /** \brief A library to drive the nRF24l01+ * * This library is a simple way to get the nRF24l01+ up and running. * *- Use case: For a simple transmitter *@code *int main() { * * long long addr1=0xAB00CD; // setup address - any 5 byte number - same as RX * int channel =0x12; // [0-126] setup channel, must be same as RX * bool txOK; * char msg[32]; * char ackData[32]; * char len; * * // Setup * NRF2401P nrf1(PTD6,PTD7, PTD5,PTD4, PTC12); //mosi, miso, sclk, csn, ce) * nrf1.quickTxSetup(channel, addr1); // sets nrf24l01+ as transmitter * * // transmit * strcpy (msg, "Hello"); * txOK= nrf1.transmitData(msg,strlen(msg)); * * // read ack data if available * if (nrf1.isAckData()) { * len= nrf1.getRxData(ackData); // len is number of bytes in ackData * } *} *@endcode *- Use case: For a simple receiver *@code *int main(){ * * long long addr1=0xAB00CD; // setup address - any 5 byte number - same as TX * int channel =0x12; // [0-126] setup channel, must be same as TX * bool txOK; * char msg[32]; * char ackData[32]; * char len; * * // Setup * NRF2401P nrf1(PTD6,PTD7, PTD5,PTD4, PTC12); //mosi, miso, sclk, csn, ce) * nrf1.quickRxSetup(channel, addr1); // sets nrf24l01+ as receiver, using pipe 1 * * // set ack data * sprintf(ackData,"Ack data"); * nrf1.acknowledgeData(ackData, strlen(ackData),1); // ack for pipe 1 * * // receive * while (! nrf1.isRxData()); // note this blocks until RX data * len= nrf1.getRxData(msg); // gets the message, len is length of msg * *} *@endcode */ class NRF2401P { public: SPI *spi; DigitalOut csn,ce; char addressWidth; char logMsg[80]; char status; char statusS[32]; char pipe0Add[5]; char txAdd[5]; bool dynamic,debug; Serial *pc; NRF2401P (PinName mosi, PinName miso, PinName sclk, PinName _csn, PinName _ce); void acknowledgeData( char *data, char width, char pipe); char checkStatus(); void clearStatus(); void flushRx(); void flushTx(); char getRxData(char * buffer); char getRxWidth(); bool isAckData(); bool isRxData(); void log (char *msg); void quickRxSetup(int channel,long long addr); void quickTxSetup(int channel,long long addr); char readReg(char address, char *data); void testReceive(); void testTransmit(); bool transmitData( char *data, char width ); void setAddressWidth(char width); void setChannel(char chan); void setDynamicPayload(); void setPwrUp(); void setRadio(char speed,char power); void setRxAddress(char *address, char pipe); void setRxAddress(long long address, char pipe); bool setRxMode(); void setTxAddress(char *address); void setTxAddress(long long address); bool setTxMode(); void setTxRetry(char delay, char numTries); void start(); char * statusString(); void writeReg(char address, char *data, char width); void writeReg(char address, char data); void scratch(); };