RobOmega - PSL RoboCup / Mbed OS Slave_comm

communication esclave

Dependencies:   nRF24L01P

main.cpp@4:ca70c15435fb, 2021-01-08 (annotated)

Committer:
louisroyer
Date:
Fri Jan 08 10:06:09 2021 +0000
Revision:
4:ca70c15435fb
Parent:
3:43654f2b59f0 
Communication esclave;

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"
voltxd 3:43654f2b59f0 3 #include "platform/mbed_thread.h"
voltxd 3:43654f2b59f0 4
voltxd 3:43654f2b59f0 5 #define SPI3_MOSI D11
voltxd 3:43654f2b59f0 6 #define SPI3_MISO D12
voltxd 3:43654f2b59f0 7 #define SPI3_SCLK D13
louisroyer 4:ca70c15435fb 8 #define CSN A3
voltxd 3:43654f2b59f0 9 #define CE D8
voltxd 3:43654f2b59f0 10 #define IRQ A0
Owen 0:a51a6e7da590 11
Owen 0:a51a6e7da590 12 Serial pc(USBTX, USBRX); // tx, rx
Owen 0:a51a6e7da590 13
voltxd 3:43654f2b59f0 14 nRF24L01P my_nrf24l01p(SPI3_MOSI, SPI3_MISO, SPI3_SCLK, CSN, CE, IRQ); // mosi, miso, sck, csn, ce, irq
Owen 0:a51a6e7da590 15
voltxd 3:43654f2b59f0 16 DigitalOut myled1(D4);
voltxd 3:43654f2b59f0 17 DigitalOut myled2(D5);
Owen 0:a51a6e7da590 18
voltxd 3:43654f2b59f0 19 int main()
voltxd 3:43654f2b59f0 20 {
Owen 0:a51a6e7da590 21 // The nRF24L01+ supports transfers from 1 to 32 bytes, but Sparkfun's
Owen 0:a51a6e7da590 22 // "Nordic Serial Interface Board" (http://www.sparkfun.com/products/9019)
Owen 0:a51a6e7da590 23 // only handles 4 byte transfers in the ATMega code.
Owen 0:a51a6e7da590 24 #define TRANSFER_SIZE 4
Owen 0:a51a6e7da590 25
voltxd 3:43654f2b59f0 26 char rxData[TRANSFER_SIZE];
Owen 0:a51a6e7da590 27 int rxDataCnt = 0;
Owen 0:a51a6e7da590 28
Owen 0:a51a6e7da590 29 my_nrf24l01p.powerUp();
Owen 0:a51a6e7da590 30
Owen 0:a51a6e7da590 31 // Display the (default) setup of the nRF24L01+ chip
voltxd 3:43654f2b59f0 32 pc.printf("Default setup : \r\n");
Owen 0:a51a6e7da590 33 pc.printf( "nRF24L01+ Frequency : %d MHz\r\n", my_nrf24l01p.getRfFrequency() );
Owen 0:a51a6e7da590 34 pc.printf( "nRF24L01+ Output power : %d dBm\r\n", my_nrf24l01p.getRfOutputPower() );
Owen 0:a51a6e7da590 35 pc.printf( "nRF24L01+ Data Rate : %d kbps\r\n", my_nrf24l01p.getAirDataRate() );
Owen 0:a51a6e7da590 36 pc.printf( "nRF24L01+ TX Address : 0x%010llX\r\n", my_nrf24l01p.getTxAddress() );
Owen 0:a51a6e7da590 37 pc.printf( "nRF24L01+ RX Address : 0x%010llX\r\n", my_nrf24l01p.getRxAddress() );
voltxd 3:43654f2b59f0 38 pc.printf("\r\n\r\n");
voltxd 3:43654f2b59f0 39
voltxd 3:43654f2b59f0 40 my_nrf24l01p.setRfFrequency(NRF24L01P_MIN_RF_FREQUENCY);
voltxd 3:43654f2b59f0 41 my_nrf24l01p.setAirDataRate(NRF24L01P_DATARATE_2_MBPS);
voltxd 3:43654f2b59f0 42 my_nrf24l01p.setTxAddress(0xFFE);
voltxd 3:43654f2b59f0 43 my_nrf24l01p.setRxAddress(0xFFA);
Owen 0:a51a6e7da590 44
voltxd 3:43654f2b59f0 45 pc.printf("Custom setup : \r\n");
voltxd 3:43654f2b59f0 46 pc.printf( "nRF24L01+ Frequency : %d MHz\r\n", my_nrf24l01p.getRfFrequency() );
voltxd 3:43654f2b59f0 47 pc.printf( "nRF24L01+ Output power : %d dBm\r\n", my_nrf24l01p.getRfOutputPower() );
voltxd 3:43654f2b59f0 48 pc.printf( "nRF24L01+ Data Rate : %d kbps\r\n", my_nrf24l01p.getAirDataRate() );
voltxd 3:43654f2b59f0 49 pc.printf( "nRF24L01+ TX Address : 0x%010llX\r\n", my_nrf24l01p.getTxAddress() );
voltxd 3:43654f2b59f0 50 pc.printf( "nRF24L01+ RX Address : 0x%010llX\r\n", my_nrf24l01p.getRxAddress() );
voltxd 3:43654f2b59f0 51 pc.printf("\r\n\r\n");
voltxd 3:43654f2b59f0 52
Owen 0:a51a6e7da590 53
Owen 0:a51a6e7da590 54 my_nrf24l01p.setTransferSize( TRANSFER_SIZE );
Owen 0:a51a6e7da590 55
Owen 0:a51a6e7da590 56 my_nrf24l01p.setReceiveMode();
Owen 0:a51a6e7da590 57 my_nrf24l01p.enable();
Owen 0:a51a6e7da590 58
voltxd 3:43654f2b59f0 59 while (1)
voltxd 3:43654f2b59f0 60 {
Owen 0:a51a6e7da590 61 // If we've received anything in the nRF24L01+...
Owen 0:a51a6e7da590 62 if ( my_nrf24l01p.readable() ) {
Owen 0:a51a6e7da590 63
Owen 0:a51a6e7da590 64 // ...read the data into the receive buffer
Owen 0:a51a6e7da590 65 rxDataCnt = my_nrf24l01p.read( NRF24L01P_PIPE_P0, rxData, sizeof( rxData ) );
Owen 0:a51a6e7da590 66
Owen 0:a51a6e7da590 67 // Display the receive buffer contents via the host serial link
Owen 0:a51a6e7da590 68 for ( int i = 0; rxDataCnt > 0; rxDataCnt--, i++ ) {
Owen 0:a51a6e7da590 69
Owen 0:a51a6e7da590 70 pc.putc( rxData[i] );
Owen 0:a51a6e7da590 71 }
Owen 0:a51a6e7da590 72
Owen 0:a51a6e7da590 73 // Toggle LED2 (to help debug nRF24L01+ -> Host communication)
Owen 0:a51a6e7da590 74 myled2 = !myled2;
Owen 0:a51a6e7da590 75 }
Owen 0:a51a6e7da590 76 }
Owen 0:a51a6e7da590 77 }