File content as of revision 2:e309f19062b7:

#include "mbed.h"
#include "nRF24L01P.h"

Serial pc(USBTX, USBRX); // tx, rx

//Définition des E/S de la liaison SPI vers le module nRF24L01+
nRF24L01P my_nrf24l01p(D11, D12, D13, A3, D9, A0);    // mosi, miso, sck, csn, ce, irq

DigitalOut myled1(D4);
DigitalOut myled2(D5);

int main() {

// Nombre de caractères transmis à chaque envoi
#define TRANSFER_SIZE   4

    char txData[TRANSFER_SIZE], rxData[TRANSFER_SIZE];
    int txDataCnt = 0;
    int rxDataCnt = 0;
    
    pc.baud(115200); // Débit de la liaison série PC

    my_nrf24l01p.powerUp();
    
    my_nrf24l01p.setRfFrequency(2416); // Définition de la fréquence du canal d'E/R
    my_nrf24l01p.setAirDataRate(NRF24L01P_DATARATE_1_MBPS); // Définition du débit de la communication RF
    

    // Affichage de l'état de la configuration du nRF24L01+ 
    pc.printf( "nRF24L01+ Frequency    : %d MHz\r\n",  my_nrf24l01p.getRfFrequency() );
    pc.printf( "nRF24L01+ Output power : %d dBm\r\n",  my_nrf24l01p.getRfOutputPower() );
    pc.printf( "nRF24L01+ Data Rate    : %d kbps\r\n", my_nrf24l01p.getAirDataRate() );
    pc.printf( "nRF24L01+ TX Address   : 0x%010llX\r\n", my_nrf24l01p.getTxAddress() );
    pc.printf( "nRF24L01+ RX Address   : 0x%010llX\r\n", my_nrf24l01p.getRxAddress() ); 
    

    pc.printf( "Type keys to test transfers:\r\n  (transfers are grouped into %d characters)\r\n", TRANSFER_SIZE );

    my_nrf24l01p.setTransferSize( TRANSFER_SIZE );
    my_nrf24l01p.setReceiveMode();
    my_nrf24l01p.enable();
    

    while (1) {

        // If we've received anything over the host serial link...
        if ( pc.readable() ) {
            

            // ...add it to the transmit buffer
            txData[txDataCnt++] = pc.getc();

            // If the transmit buffer is full
            if ( txDataCnt >= sizeof( txData ) ) {

                // Send the transmitbuffer via the nRF24L01+
                my_nrf24l01p.write( NRF24L01P_PIPE_P0, txData, txDataCnt );

                txDataCnt = 0;
            }

            // Toggle LED1 (to help debug Host -> nRF24L01+ communication)
            myled1 = !myled1;
        }

        // If we've received anything in the nRF24L01+2...
        if ( my_nrf24l01p.readable() ) {

            // ...read the data into the receive buffer
            rxDataCnt = my_nrf24l01p.read( NRF24L01P_PIPE_P0, rxData, sizeof( rxData ) );

            // Display the receive buffer contents via the host serial link
            for ( int i = 0; rxDataCnt > 0; rxDataCnt--, i++ ) {

                pc.putc( rxData[i] );
            }

            // Toggle LED2 (to help debug nRF24L01+ -> Host communication)
            myled2 = !myled2;
        }
    }
}