RobOmega - PSL RoboCup / Mbed 2 deprecated Master_comm

communication master

Dependencies:   mbed nRF24L01P

main.cpp@4:50108ed2e507, 2020-12-11 (annotated)

Committer:
voltxd
Date:
Fri Dec 11 08:14:47 2020 +0000
Revision:
4:50108ed2e507
Parent:
3:d59225786982
Child:
5:8279d323e992
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"
Owen 0:a51a6e7da590 3
voltxd 3:d59225786982 4 #define SPI2_MOSI PD_4
voltxd 3:d59225786982 5 #define SPI2_MISO PD_3
voltxd 3:d59225786982 6 #define SPI2_SCLK PD_1
voltxd 3:d59225786982 7 #define CSN D9
voltxd 3:d59225786982 8 #define CE D8
voltxd 3:d59225786982 9 #define IRQ D1
voltxd 3:d59225786982 10
Owen 0:a51a6e7da590 11 Serial pc(USBTX, USBRX); // tx, rx
Owen 0:a51a6e7da590 12
voltxd 3:d59225786982 13 nRF24L01P my_nrf24l01p(SPI2_MOSI, SPI2_MISO, SPI2_SCLK, CSN, CE, IRQ); // mosi, miso, sck, csn, ce, irq
Owen 0:a51a6e7da590 14
Owen 0:a51a6e7da590 15 DigitalOut myled1(LED1);
Owen 0:a51a6e7da590 16 DigitalOut myled2(LED2);
Owen 0:a51a6e7da590 17
voltxd 3:d59225786982 18 int main()
voltxd 3:d59225786982 19 {
Owen 0:a51a6e7da590 20 // The nRF24L01+ supports transfers from 1 to 32 bytes, but Sparkfun's
Owen 0:a51a6e7da590 21 // "Nordic Serial Interface Board" (http://www.sparkfun.com/products/9019)
Owen 0:a51a6e7da590 22 // only handles 4 byte transfers in the ATMega code.
voltxd 3:d59225786982 23 #define TRANSFER_SIZE 4
Owen 0:a51a6e7da590 24
voltxd 3:d59225786982 25 char txData[TRANSFER_SIZE];
Owen 0:a51a6e7da590 26 int txDataCnt = 0;
Owen 0:a51a6e7da590 27
Owen 0:a51a6e7da590 28 my_nrf24l01p.powerUp();
Owen 0:a51a6e7da590 29
Owen 0:a51a6e7da590 30 // Display the (default) setup of the nRF24L01+ chip
voltxd 3:d59225786982 31 pc.printf("Default setup : \r\n");
Owen 0:a51a6e7da590 32 pc.printf( "nRF24L01+ Frequency : %d MHz\r\n", my_nrf24l01p.getRfFrequency() );
Owen 0:a51a6e7da590 33 pc.printf( "nRF24L01+ Output power : %d dBm\r\n", my_nrf24l01p.getRfOutputPower() );
Owen 0:a51a6e7da590 34 pc.printf( "nRF24L01+ Data Rate : %d kbps\r\n", my_nrf24l01p.getAirDataRate() );
Owen 0:a51a6e7da590 35 pc.printf( "nRF24L01+ TX Address : 0x%010llX\r\n", my_nrf24l01p.getTxAddress() );
Owen 0:a51a6e7da590 36 pc.printf( "nRF24L01+ RX Address : 0x%010llX\r\n", my_nrf24l01p.getRxAddress() );
voltxd 3:d59225786982 37 pc.printf("\r\n\r\n");
Owen 0:a51a6e7da590 38
voltxd 3:d59225786982 39 my_nrf24l01p.setRfFrequency(NRF24L01P_MIN_RF_FREQUENCY);
voltxd 3:d59225786982 40 my_nrf24l01p.setAirDataRate(NRF24L01P_DATARATE_2_MBPS);
voltxd 3:d59225786982 41 my_nrf24l01p.setTxAddress(0xFFA);
voltxd 3:d59225786982 42 my_nrf24l01p.setRxAddress(0xFFE);
voltxd 3:d59225786982 43
voltxd 3:d59225786982 44 pc.printf("Custom setup : \r\n");
voltxd 3:d59225786982 45 pc.printf( "nRF24L01+ Frequency : %d MHz\r\n", my_nrf24l01p.getRfFrequency() );
voltxd 3:d59225786982 46 pc.printf( "nRF24L01+ Output power : %d dBm\r\n", my_nrf24l01p.getRfOutputPower() );
voltxd 3:d59225786982 47 pc.printf( "nRF24L01+ Data Rate : %d kbps\r\n", my_nrf24l01p.getAirDataRate() );
voltxd 3:d59225786982 48 pc.printf( "nRF24L01+ TX Address : 0x%010llX\r\n", my_nrf24l01p.getTxAddress() );
voltxd 3:d59225786982 49 pc.printf( "nRF24L01+ RX Address : 0x%010llX\r\n", my_nrf24l01p.getRxAddress() );
voltxd 3:d59225786982 50 pc.printf("\r\n\r\n");
voltxd 3:d59225786982 51
voltxd 3:d59225786982 52
voltxd 3:d59225786982 53 pc.printf( "Spamming routine enabled !\r\n");
Owen 0:a51a6e7da590 54
Owen 0:a51a6e7da590 55 my_nrf24l01p.setTransferSize( TRANSFER_SIZE );
Owen 0:a51a6e7da590 56
voltxd 3:d59225786982 57 my_nrf24l01p.setTransmitMode();
Owen 0:a51a6e7da590 58 my_nrf24l01p.enable();
Owen 0:a51a6e7da590 59
voltxd 3:d59225786982 60 while (1)
voltxd 3:d59225786982 61 {
voltxd 3:d59225786982 62 //Send "Hello PC" to the PC board
voltxd 3:d59225786982 63 int i = 0;
voltxd 4:50108ed2e507 64 char* data = "Hello PC !\r\n";
voltxd 4:50108ed2e507 65 int dataSize = sizeof(data);
Owen 0:a51a6e7da590 66
voltxd 3:d59225786982 67 // add datas to the transmit buffer
voltxd 3:d59225786982 68 txData[txDataCnt++] = data[i++];
Owen 0:a51a6e7da590 69
voltxd 3:d59225786982 70 if (i >= dataSize)
voltxd 3:d59225786982 71 {
voltxd 3:d59225786982 72 i = 0;
Owen 0:a51a6e7da590 73
voltxd 3:d59225786982 74 }
voltxd 3:d59225786982 75 // If the transmit buffer is full
voltxd 3:d59225786982 76 if ( txDataCnt >= sizeof( txData ) ) {
Owen 0:a51a6e7da590 77
voltxd 3:d59225786982 78 // Send the transmitbuffer via the nRF24L01+
voltxd 3:d59225786982 79 my_nrf24l01p.write( NRF24L01P_PIPE_P0, txData, txDataCnt );
voltxd 3:d59225786982 80
voltxd 3:d59225786982 81 txDataCnt = 0;
Owen 0:a51a6e7da590 82 }
Owen 0:a51a6e7da590 83
voltxd 3:d59225786982 84 // Toggle LED1 (to help debug Host -> nRF24L01+ communication)
voltxd 3:d59225786982 85 myled1 = !myled1;
Owen 0:a51a6e7da590 86 }
Owen 0:a51a6e7da590 87 }