Library for nRF24 module communications
Dependents: Arts_DMX512_carteV3_MIDI_nRF IeTI_nRF24
Revision 0:659c6ffdd56c, committed 2021-12-12
- Comitter:
- villemejane
- Date:
- Sun Dec 12 12:42:12 2021 +0000
- Commit message:
- Library for nRF24 module communications
Changed in this revision
nRF24.cpp | Show annotated file Show diff for this revision Revisions of this file |
nRF24.h | Show annotated file Show diff for this revision Revisions of this file |
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/nRF24.cpp Sun Dec 12 12:42:12 2021 +0000 @@ -0,0 +1,62 @@ +/****************************************************************************/ +/* nRF24L1 module library */ +/****************************************************************************/ +/* LEnsE / Julien VILLEMEJANE / Institut d'Optique Graduate School */ +/****************************************************************************/ +/* Library - nRF24.cpp file */ +/****************************************************************************/ +/* Tested on Nucleo-L476RG / 4th nov 2021 */ +/****************************************************************************/ + +#include "nRF24.h" + +#define TRANSFER_SIZE 8 + +nRF24L01P nRF24_mod(D11, D12, D13, D10, D9, PB_8); +// MOSI, MISO, SCK, CSN, CE, IRQ + +char k; +char dataToSend[TRANSFER_SIZE] = {0xAA, 0x01, 0x10, 0xF0,0xAA, 0x01, 0x10, 0xF0}; +char dataReceived[TRANSFER_SIZE] = {0}; +char rxDataCnt; + + +// Fonction d'initialisation du module BT nRF24L01 +void initNRF24(){ + nRF24_mod.powerUp(); + wait_us(100000); + nRF24_mod.setAirDataRate(NRF24L01P_DATARATE_250_KBPS); + nRF24_mod.setRfFrequency(2400); + wait_us(100000); + debug_pc.printf( "nRF24L01+ Frequency : %d MHz\r\n", nRF24_mod.getRfFrequency() ); + debug_pc.printf( "nRF24L01+ Output power : %d dBm\r\n", nRF24_mod.getRfOutputPower() ); + debug_pc.printf( "nRF24L01+ Data Rate : %d kbps\r\n", nRF24_mod.getAirDataRate() ); + debug_pc.printf( "Transfers are grouped into %d characters\r\n", TRANSFER_SIZE ); + nRF24_mod.setTransferSize( TRANSFER_SIZE ); + nRF24_mod.setReceiveMode(); + nRF24_mod.enable(); +} + +// Fonction de test du module BT nRF24L01 +void testNRF24(void){ + /* Lecture donnée depuis nRF24 */ + if ( nRF24_mod.readable() ) { + + // ...read the data into the receive buffer + rxDataCnt = nRF24_mod.read( NRF24L01P_PIPE_P0, dataReceived, TRANSFER_SIZE); + + // Display the receive buffer contents via the host serial link + debug_pc.printf("\tD = "); + for ( int i = 0; i < rxDataCnt; i++ ) { + debug_pc.printf(" %x \t", dataReceived[i]); + } + debug_pc.printf("\r\n"); + } + /* Transmission donnée depuis nRF24 */ + if(bp_int == 0){ + nRF24_mod.setRfFrequency(2400); + nRF24_mod.write( NRF24L01P_PIPE_P0, dataToSend, TRANSFER_SIZE ); + debug_pc.printf( "SENDED\r\n"); + wait_us(100000); + } +} \ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/nRF24.h Sun Dec 12 12:42:12 2021 +0000 @@ -0,0 +1,37 @@ +/****************************************************************************/ +/* nRF24L1 module library */ +/****************************************************************************/ +/* LEnsE / Julien VILLEMEJANE / Institut d'Optique Graduate School */ +/****************************************************************************/ +/* Library - nRF24.h file */ +/****************************************************************************/ +/* Tested on Nucleo-L476RG / 4th nov 2021 */ +/****************************************************************************/ + +#ifndef NRF24_H_INCLUDED +#define NRF24_H_INCLUDED + +#include "mbed.h" +#include "MOD24_NRF.h" +#define TRANSFER_SIZE 8 + +/* Entrées - Sorties */ +extern nRF24L01P nRF24_mod; +// Debugage +extern Serial debug_pc; +extern InterruptIn bp_int; + +// Transmission nrF24 +extern char k; +extern char dataToSend[TRANSFER_SIZE]; +extern char dataReceived[TRANSFER_SIZE]; +extern char rxDataCnt; + +// Fonction d'initialisation du module BT nRF24L01 +void initNRF24(); +// Fonction de test du module BT nRF24L01 +void testNRF24(void); + + + +#endif \ No newline at end of file