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 * *}
Diff: NRF2401P.h
- Revision:
- 20:e61edde5680d
- Parent:
- 18:220df99d2d41
diff -r 813161fd59a2 -r e61edde5680d NRF2401P.h --- a/NRF2401P.h Fri Feb 19 14:03:31 2016 +0000 +++ b/NRF2401P.h Thu Feb 25 09:44:11 2016 +0000 @@ -107,7 +107,7 @@ */ NRF2401P (PinName mosi, PinName miso, PinName sclk, PinName _csn, PinName _ce); - char acknowledgeData(char *data, char width, char pipe); + void acknowledgeData(char *data, char width, char pipe); char checkStatus(); void clearStatus(); void flushRx(); @@ -143,12 +143,12 @@ void quickTxSetup(int channel,long long addr); void readReg(char address, char *data); void readReg(char address, char *data, char width); - char testReceive(); - char testTransmit(); + void testReceive(); + void testTransmit(); char transmitData( char *data, char width ); - char retransmitData( ); + void retransmitData( ); - char setAddressWidth(char width); + void setAddressWidth(char width); /** Sets the frequency channel nRF24L01+ operates on * @@ -157,11 +157,11 @@ * 0 on success, * non-zero on failure. */ - char setChannel(char chan); + void setChannel(char chan); void setDynamicPayload(); - char setPwrUp(); - char setPwrDown(); + void setPwrUp(); + void setPwrDown(); /** Set RF data rate and RF output power in TX mode * @@ -171,14 +171,14 @@ * 0 on success, * non-zero on failure. */ - char setRadio(char speed, char power); + void setRadio(char speed, char power); - char setRxAddress(char *address, char pipe); - char setRxAddress(long long address, char pipe); - char setRxMode(); - char setTxAddress(char *address); - char setTxAddress(long long address); - char setTxMode(); + void setRxAddress(char *address, char pipe); + void setRxAddress(long long address, char pipe); + void setRxMode(); + void setTxAddress(char *address); + void setTxAddress(long long address); + void setTxMode(); /** Sets the timing and number of TX retries * @@ -188,7 +188,7 @@ * 0 on success, * non-zero on failure. */ - char setTxRetry(char delay, char numTries); + void setTxRetry(char delay, char numTries); void start(); char* statusString();