main.cpp

00001 #include "mbed.h"
00002 #include "nRF24L01P.h"
00003 
00004 Serial pc(USBTX, USBRX); // tx, rx
00005 nRF24L01P my_nrf24l01p(p5, p6, p7, p8, p9, p10);    // mosi, miso, sck, csn, ce, irq
00006 
00007 DigitalOut led1(LED1);
00008 DigitalOut led2(LED2);
00009 DigitalOut led3(LED3);
00010 DigitalOut led4(LED4);
00011 
00012 int main() {
00013     
00014     // set up PC comm.
00015     pc.baud(115200);
00016     
00017     // set up wireless transfer size
00018     #define TRANSFER_SIZE 3
00019 
00020     char rxData[TRANSFER_SIZE];
00021     int rxDataCnt = 0;
00022 
00023     // initialize wireless comm.
00024     my_nrf24l01p.powerUp();
00025     my_nrf24l01p.setTransferSize( TRANSFER_SIZE );
00026     my_nrf24l01p.setReceiveMode();
00027     my_nrf24l01p.enable();
00028     my_nrf24l01p.setAirDataRate(2000);
00029     // set wireless RX
00030     my_nrf24l01p.setRxAddress(0xABCDABCDABCDABCD);
00031     
00032     // Display the (default) setup of the nRF24L01+ chip
00033     pc.printf( "nRF24L01+ Frequency    : %d MHz\r\n",  my_nrf24l01p.getRfFrequency() );
00034     pc.printf( "nRF24L01+ Output power : %d dBm\r\n",  my_nrf24l01p.getRfOutputPower() );
00035     pc.printf( "nRF24L01+ Data Rate    : %d kbps\r\n", my_nrf24l01p.getAirDataRate() );
00036     pc.printf( "nRF24L01+ TX Address   : 0x%010llX\r\n", my_nrf24l01p.getTxAddress() );
00037     pc.printf( "nRF24L01+ RX Address   : 0x%010llX\r\n", my_nrf24l01p.getRxAddress() );
00038 
00039     while (1) {
00040         led1 = 1;
00041 
00042         // If we've received anything in the nRF24L01+...
00043         if ( my_nrf24l01p.readable() ) {
00044 
00045             // ...read the data into the receive buffer
00046             rxDataCnt = my_nrf24l01p.read( NRF24L01P_PIPE_P0, rxData, sizeof( rxData ) );
00047 
00048             // Display the receive buffer contents via the host serial link
00049             for ( int i = 0; rxDataCnt > 0; rxDataCnt--, i++ ) {
00050                 pc.printf( "%d,", rxData[i] );
00051             }
00052             pc.printf("\n\r");
00053 
00054             // Toggle LED2 (to help debug nRF24L01+ -> Host communication)
00055             led2 = !led2;
00056         }
00057     }
00058 }