main.cpp

00001 #include "mbed.h"
00002 #include "nRF24L01P.h"
00003 
00004 BufferedSerial pc(USBTX, USBRX); // tx, rx
00005 
00006 nRF24L01P my_nrf24l01p(p5, p6, p7, p8, p9, p10);    // mosi, miso, sck, csn, ce, irq
00007 
00008 FileHandle *mbed::mbed_override_console(int fd)
00009 {
00010     return &pc;
00011 }
00012 
00013 int main() {
00014     enum { TRANSFER_SIZE = 1 };
00015 
00016     char txData[TRANSFER_SIZE], rxData[TRANSFER_SIZE];
00017     int txDataCnt = 0;
00018     int rxDataCnt = 0;
00019 
00020     my_nrf24l01p.powerUp();
00021 
00022     // Display the (default) setup of the nRF24L01+ chip
00023     printf( "nRF24L01+ Frequency    : %d MHz\r\n",  my_nrf24l01p.getRfFrequency() );
00024     printf( "nRF24L01+ Output power : %d dBm\r\n",  my_nrf24l01p.getRfOutputPower() );
00025     printf( "nRF24L01+ Data Rate    : %d kbps\r\n", my_nrf24l01p.getAirDataRate() );
00026     printf( "nRF24L01+ TX Address   : 0x%010llX\r\n", my_nrf24l01p.getTxAddress() );
00027     printf( "nRF24L01+ RX Address   : 0x%010llX\r\n", my_nrf24l01p.getRxAddress() );
00028 
00029     printf( "Type keys to test transfers:\r\n");
00030 
00031     my_nrf24l01p.setTransferSize( TRANSFER_SIZE );
00032     my_nrf24l01p.setRfFrequency(NRF24L01P_MAX_RF_FREQUENCY);
00033     
00034     my_nrf24l01p.setReceiveMode();
00035     my_nrf24l01p.enable();
00036 
00037     while (1) {
00038 
00039         // If we've received anything over the host serial link...
00040         if ( pc.readable() ) {
00041 
00042             // ...add it to the transmit buffer
00043             pc.read(&txData[txDataCnt], TRANSFER_SIZE);
00044             txDataCnt++;
00045 
00046             // If the transmit buffer is full
00047             if ( txDataCnt >= sizeof( txData ) ) {
00048 
00049                 // Send the transmitbuffer via the nRF24L01+
00050                 my_nrf24l01p.write( NRF24L01P_PIPE_P0, txData, txDataCnt );
00051 
00052                 txDataCnt = 0;
00053             }
00054         }
00055 
00056         // If we've received anything in the nRF24L01+...
00057         if ( my_nrf24l01p.readable() ) {
00058 
00059             // ...read the data into the receive buffer
00060             rxDataCnt = my_nrf24l01p.read( NRF24L01P_PIPE_P0, rxData, sizeof( rxData ) );
00061 
00062             // Display the receive buffer contents via the host serial link
00063             for ( int i = 0; rxDataCnt > 0; rxDataCnt--, i++ ) {
00064 
00065                 pc.write(&rxData[i], sizeof( rxData ));
00066             }
00067         }
00068     }
00069 }