Michiel Van Endert / Mbed 2 deprecated nRF24L01P_Project

Project wireless

Dependencies:   mbed nRF24L01P

Fork of nRF24L01P_Project by Nino Der Kinderen

main.cpp@2:178e089b3ce9, 2015-05-07 (annotated)

Committer:
ninoderkinderen
Date:
Thu May 07 16:39:31 2015 +0000
Revision:
2:178e089b3ce9
Parent:
1:5be2682710c6
Child:
3:1f92895432d2
projectwireless

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
Owen 0:a51a6e7da590 6 nRF24L01P my_nrf24l01p(p5, p6, p7, p8, p9, p10); // mosi, miso, sck, csn, ce, irq
Owen 0:a51a6e7da590 7
Owen 0:a51a6e7da590 8 DigitalOut myled1(LED1);
Owen 0:a51a6e7da590 9 DigitalOut myled2(LED2);
Owen 0:a51a6e7da590 10
Owen 0:a51a6e7da590 11 int main() {
Owen 0:a51a6e7da590 12
Owen 0:a51a6e7da590 13 // The nRF24L01+ supports transfers from 1 to 32 bytes, but Sparkfun's
Owen 0:a51a6e7da590 14 // "Nordic Serial Interface Board" (http://www.sparkfun.com/products/9019)
Owen 0:a51a6e7da590 15 // only handles 4 byte transfers in the ATMega code.
ninoderkinderen 2:178e089b3ce9 16 #define TRANSFER_SIZE 32
Owen 0:a51a6e7da590 17
Owen 0:a51a6e7da590 18 char txData[TRANSFER_SIZE], rxData[TRANSFER_SIZE];
Owen 0:a51a6e7da590 19 int txDataCnt = 0;
Owen 0:a51a6e7da590 20 int rxDataCnt = 0;
Owen 0:a51a6e7da590 21
Owen 0:a51a6e7da590 22 my_nrf24l01p.powerUp();
ninoderkinderen 2:178e089b3ce9 23
ninoderkinderen 2:178e089b3ce9 24 //Set Device
ninoderkinderen 2:178e089b3ce9 25 my_nrf24l01p.setTxAddress(0xE7E7E7E7E7,5);
ninoderkinderen 2:178e089b3ce9 26 //my_nrf24l01p.setRxAddress(0xE7E7E7E7E7,5);
ninoderkinderen 2:178e089b3ce9 27 my_nrf24l01p.setRfFrequency(2450);
ninoderkinderen 2:178e089b3ce9 28 my_nrf24l01p.setRfOutputPower(0);
Owen 0:a51a6e7da590 29
Owen 0:a51a6e7da590 30 // Display the (default) setup of the nRF24L01+ chip
Owen 0:a51a6e7da590 31 pc.printf( "nRF24L01+ Frequency : %d MHz\r\n", my_nrf24l01p.getRfFrequency() );
Owen 0:a51a6e7da590 32 pc.printf( "nRF24L01+ Output power : %d dBm\r\n", my_nrf24l01p.getRfOutputPower() );
Owen 0:a51a6e7da590 33 pc.printf( "nRF24L01+ Data Rate : %d kbps\r\n", my_nrf24l01p.getAirDataRate() );
Owen 0:a51a6e7da590 34 pc.printf( "nRF24L01+ TX Address : 0x%010llX\r\n", my_nrf24l01p.getTxAddress() );
ninoderkinderen 2:178e089b3ce9 35 pc.printf( "nRF24L01+ RX Address : 0x%010llX\r\n", my_nrf24l01p.getRxAddress(0) );
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
Owen 0:a51a6e7da590 41 my_nrf24l01p.setReceiveMode();
Owen 0:a51a6e7da590 42 my_nrf24l01p.enable();
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() ) {
Owen 0:a51a6e7da590 48
Owen 0:a51a6e7da590 49 // ...add it to the transmit buffer
Owen 0:a51a6e7da590 50 txData[txDataCnt++] = pc.getc();
ninoderkinderen 2:178e089b3ce9 51
ninoderkinderen 2:178e089b3ce9 52 //pc.printf("lengte txData: %d \n\r", sizeof(txData));
ninoderkinderen 2:178e089b3ce9 53 //pc.printf("txData count: %d \n\r", txDataCnt);
Owen 0:a51a6e7da590 54
Owen 0:a51a6e7da590 55 // If the transmit buffer is full
ninoderkinderen 2:178e089b3ce9 56 if ( txDataCnt >= sizeof(txData) ) {
ninoderkinderen 2:178e089b3ce9 57 //pc.printf("eerste if \n\r");
Owen 0:a51a6e7da590 58 // Send the transmitbuffer via the nRF24L01+
Owen 0:a51a6e7da590 59 my_nrf24l01p.write( NRF24L01P_PIPE_P0, txData, txDataCnt );
Owen 0:a51a6e7da590 60
Owen 0:a51a6e7da590 61 txDataCnt = 0;
Owen 0:a51a6e7da590 62 }
Owen 0:a51a6e7da590 63
Owen 0:a51a6e7da590 64 // Toggle LED1 (to help debug Host -> nRF24L01+ communication)
Owen 0:a51a6e7da590 65 myled1 = !myled1;
Owen 0:a51a6e7da590 66 }
Owen 0:a51a6e7da590 67
Owen 0:a51a6e7da590 68 // If we've received anything in the nRF24L01+...
ninoderkinderen 2:178e089b3ce9 69 if ( my_nrf24l01p.readable(NRF24L01P_PIPE_P0) ) {
ninoderkinderen 2:178e089b3ce9 70 //pc.printf("tweede if \n\r");
Owen 0:a51a6e7da590 71 // ...read the data into the receive buffer
Owen 0:a51a6e7da590 72 rxDataCnt = my_nrf24l01p.read( NRF24L01P_PIPE_P0, rxData, sizeof( rxData ) );
Owen 0:a51a6e7da590 73
Owen 0:a51a6e7da590 74 // Display the receive buffer contents via the host serial link
Owen 0:a51a6e7da590 75 for ( int i = 0; rxDataCnt > 0; rxDataCnt--, i++ ) {
Owen 0:a51a6e7da590 76
Owen 0:a51a6e7da590 77 pc.putc( rxData[i] );
Owen 0:a51a6e7da590 78 }
Owen 0:a51a6e7da590 79
Owen 0:a51a6e7da590 80 // Toggle LED2 (to help debug nRF24L01+ -> Host communication)
Owen 0:a51a6e7da590 81 myled2 = !myled2;
Owen 0:a51a6e7da590 82 }
Owen 0:a51a6e7da590 83 }
Owen 0:a51a6e7da590 84 }