RobOmega - PSL RoboCup / Mbed OS nRF24L01P_SerialToBoard_L432KC

pc -> 2nd board

Dependencies:   nRF24L01P

main.cpp@5:9c5aa92a12e6, 2020-12-11 (annotated)

Committer:
voltxd
Date:
Fri Dec 11 09:04:57 2020 +0000
Revision:
5:9c5aa92a12e6
Parent:
4:56dc32e15b2b 
Correction;

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
voltxd 4:56dc32e15b2b 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 5:9c5aa92a12e6 59 pc.printf( "Type keys to test transfers:\r\n (transfers are grouped into %d characters)\r\n", TRANSFER_SIZE );
voltxd 5:9c5aa92a12e6 60
voltxd 3:43654f2b59f0 61 while (1)
voltxd 3:43654f2b59f0 62 {
voltxd 5:9c5aa92a12e6 63 // If we've received anything over the host serial link...
voltxd 5:9c5aa92a12e6 64 if ( pc.readable() )
voltxd 5:9c5aa92a12e6 65 {
voltxd 5:9c5aa92a12e6 66
voltxd 5:9c5aa92a12e6 67 // ...add it to the transmit buffer
voltxd 5:9c5aa92a12e6 68 txData[txDataCnt++] = pc.getc();
voltxd 5:9c5aa92a12e6 69
voltxd 5:9c5aa92a12e6 70 // If the transmit buffer is full
voltxd 5:9c5aa92a12e6 71 if ( txDataCnt >= sizeof( txData ) )
voltxd 5:9c5aa92a12e6 72 {
voltxd 5:9c5aa92a12e6 73
voltxd 5:9c5aa92a12e6 74 // Send the transmitbuffer via the nRF24L01+
voltxd 5:9c5aa92a12e6 75 my_nrf24l01p.write( NRF24L01P_PIPE_P0, txData, txDataCnt );
voltxd 5:9c5aa92a12e6 76
voltxd 5:9c5aa92a12e6 77 txDataCnt = 0;
voltxd 5:9c5aa92a12e6 78 }
voltxd 5:9c5aa92a12e6 79
voltxd 5:9c5aa92a12e6 80 // Toggle LED1 (to help debug Host -> nRF24L01+ communication)
voltxd 5:9c5aa92a12e6 81 myled1 = !myled1;
voltxd 5:9c5aa92a12e6 82 }
voltxd 5:9c5aa92a12e6 83
Owen 0:a51a6e7da590 84 // If we've received anything in the nRF24L01+...
voltxd 5:9c5aa92a12e6 85 if ( my_nrf24l01p.readable() )
voltxd 5:9c5aa92a12e6 86 {
Owen 0:a51a6e7da590 87
Owen 0:a51a6e7da590 88 // ...read the data into the receive buffer
Owen 0:a51a6e7da590 89 rxDataCnt = my_nrf24l01p.read( NRF24L01P_PIPE_P0, rxData, sizeof( rxData ) );
Owen 0:a51a6e7da590 90
Owen 0:a51a6e7da590 91 // Display the receive buffer contents via the host serial link
voltxd 5:9c5aa92a12e6 92 for ( int i = 0; rxDataCnt > 0; rxDataCnt--, i++ )
voltxd 5:9c5aa92a12e6 93 {
Owen 0:a51a6e7da590 94
Owen 0:a51a6e7da590 95 pc.putc( rxData[i] );
Owen 0:a51a6e7da590 96 }
Owen 0:a51a6e7da590 97
Owen 0:a51a6e7da590 98 // Toggle LED2 (to help debug nRF24L01+ -> Host communication)
Owen 0:a51a6e7da590 99 myled2 = !myled2;
Owen 0:a51a6e7da590 100 }
Owen 0:a51a6e7da590 101 }
Owen 0:a51a6e7da590 102 }