Luc Derrien / Mbed 2 deprecated L475_robot_1_v1

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Dependencies:   mbed nRF24L01P

main.cpp@2:e309f19062b7, 2020-12-04 (annotated)

Committer:
Fab2A
Date:
Fri Dec 04 08:16:27 2020 +0000
Revision:
2:e309f19062b7
Parent:
1:5be2682710c6
Child:
3:fdd8560c4739
Test du module nRF24L01+

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Owen 0:a51a6e7da590 1 #include "mbed.h"
Owen 0:a51a6e7da590 2 #include "nRF24L01P.h"
Owen 0:a51a6e7da590 3
Owen 0:a51a6e7da590 4 Serial pc(USBTX, USBRX); // tx, rx
Owen 0:a51a6e7da590 5
Fab2A 2:e309f19062b7 6 //Définition des E/S de la liaison SPI vers le module nRF24L01+
Fab2A 2:e309f19062b7 7 nRF24L01P my_nrf24l01p(D11, D12, D13, A3, D9, A0); // mosi, miso, sck, csn, ce, irq
Owen 0:a51a6e7da590 8
Fab2A 2:e309f19062b7 9 DigitalOut myled1(D4);
Fab2A 2:e309f19062b7 10 DigitalOut myled2(D5);
Owen 0:a51a6e7da590 11
Owen 0:a51a6e7da590 12 int main() {
Owen 0:a51a6e7da590 13
Fab2A 2:e309f19062b7 14 // Nombre de caractères transmis à chaque envoi
Owen 0:a51a6e7da590 15 #define TRANSFER_SIZE 4
Owen 0:a51a6e7da590 16
Owen 0:a51a6e7da590 17 char txData[TRANSFER_SIZE], rxData[TRANSFER_SIZE];
Owen 0:a51a6e7da590 18 int txDataCnt = 0;
Owen 0:a51a6e7da590 19 int rxDataCnt = 0;
Fab2A 2:e309f19062b7 20
Fab2A 2:e309f19062b7 21 pc.baud(115200); // Débit de la liaison série PC
Owen 0:a51a6e7da590 22
Owen 0:a51a6e7da590 23 my_nrf24l01p.powerUp();
Fab2A 2:e309f19062b7 24
Fab2A 2:e309f19062b7 25 my_nrf24l01p.setRfFrequency(2416); // Définition de la fréquence du canal d'E/R
Fab2A 2:e309f19062b7 26 my_nrf24l01p.setAirDataRate(NRF24L01P_DATARATE_1_MBPS); // Définition du débit de la communication RF
Fab2A 2:e309f19062b7 27
Owen 0:a51a6e7da590 28
Fab2A 2:e309f19062b7 29 // Affichage de l'état de la configuration du nRF24L01+
Owen 0:a51a6e7da590 30 pc.printf( "nRF24L01+ Frequency : %d MHz\r\n", my_nrf24l01p.getRfFrequency() );
Owen 0:a51a6e7da590 31 pc.printf( "nRF24L01+ Output power : %d dBm\r\n", my_nrf24l01p.getRfOutputPower() );
Owen 0:a51a6e7da590 32 pc.printf( "nRF24L01+ Data Rate : %d kbps\r\n", my_nrf24l01p.getAirDataRate() );
Owen 0:a51a6e7da590 33 pc.printf( "nRF24L01+ TX Address : 0x%010llX\r\n", my_nrf24l01p.getTxAddress() );
Fab2A 2:e309f19062b7 34 pc.printf( "nRF24L01+ RX Address : 0x%010llX\r\n", my_nrf24l01p.getRxAddress() );
Fab2A 2:e309f19062b7 35
Owen 0:a51a6e7da590 36
Owen 0:a51a6e7da590 37 pc.printf( "Type keys to test transfers:\r\n (transfers are grouped into %d characters)\r\n", TRANSFER_SIZE );
Owen 0:a51a6e7da590 38
Owen 0:a51a6e7da590 39 my_nrf24l01p.setTransferSize( TRANSFER_SIZE );
Owen 0:a51a6e7da590 40 my_nrf24l01p.setReceiveMode();
Owen 0:a51a6e7da590 41 my_nrf24l01p.enable();
Fab2A 2:e309f19062b7 42
Owen 0:a51a6e7da590 43
Owen 0:a51a6e7da590 44 while (1) {
Owen 0:a51a6e7da590 45
Owen 0:a51a6e7da590 46 // If we've received anything over the host serial link...
Owen 0:a51a6e7da590 47 if ( pc.readable() ) {
Fab2A 2:e309f19062b7 48
Owen 0:a51a6e7da590 49
Owen 0:a51a6e7da590 50 // ...add it to the transmit buffer
Owen 0:a51a6e7da590 51 txData[txDataCnt++] = pc.getc();
Owen 0:a51a6e7da590 52
Owen 0:a51a6e7da590 53 // If the transmit buffer is full
Owen 0:a51a6e7da590 54 if ( txDataCnt >= sizeof( txData ) ) {
Owen 0:a51a6e7da590 55
Owen 0:a51a6e7da590 56 // Send the transmitbuffer via the nRF24L01+
Owen 0:a51a6e7da590 57 my_nrf24l01p.write( NRF24L01P_PIPE_P0, txData, txDataCnt );
Owen 0:a51a6e7da590 58
Owen 0:a51a6e7da590 59 txDataCnt = 0;
Owen 0:a51a6e7da590 60 }
Owen 0:a51a6e7da590 61
Owen 0:a51a6e7da590 62 // Toggle LED1 (to help debug Host -> nRF24L01+ communication)
Owen 0:a51a6e7da590 63 myled1 = !myled1;
Owen 0:a51a6e7da590 64 }
Owen 0:a51a6e7da590 65
Fab2A 2:e309f19062b7 66 // If we've received anything in the nRF24L01+2...
Owen 0:a51a6e7da590 67 if ( my_nrf24l01p.readable() ) {
Owen 0:a51a6e7da590 68
Owen 0:a51a6e7da590 69 // ...read the data into the receive buffer
Owen 0:a51a6e7da590 70 rxDataCnt = my_nrf24l01p.read( NRF24L01P_PIPE_P0, rxData, sizeof( rxData ) );
Owen 0:a51a6e7da590 71
Owen 0:a51a6e7da590 72 // Display the receive buffer contents via the host serial link
Owen 0:a51a6e7da590 73 for ( int i = 0; rxDataCnt > 0; rxDataCnt--, i++ ) {
Owen 0:a51a6e7da590 74
Owen 0:a51a6e7da590 75 pc.putc( rxData[i] );
Owen 0:a51a6e7da590 76 }
Owen 0:a51a6e7da590 77
Owen 0:a51a6e7da590 78 // Toggle LED2 (to help debug nRF24L01+ -> Host communication)
Owen 0:a51a6e7da590 79 myled2 = !myled2;
Owen 0:a51a6e7da590 80 }
Owen 0:a51a6e7da590 81 }
Owen 0:a51a6e7da590 82 }