main.cpp

00001 #include "mbed.h"
00002 #include "nRF24L01P.h"
00003 RawSerial pc(PA_2, PA_3,9600 );
00004 
00005  
00006 nRF24L01P my_nrf24l01p(D11, D12, D13, D10, D9,D8);    // mosi, miso, sck, csn, ce, irq
00007 //nRF24L01P my_nrf24l01p(p5, p6, p7, p8, p9, p10);    // mosi, miso, sck, csn, ce, irq
00008 
00009 //DigitalOut myled1(LED1);
00010 //DigitalOut myled2(D3);
00011 
00012 int main() {
00013 
00014 // The nRF24L01+ supports transfers from 1 to 32 bytes, but Sparkfun's
00015 //  "Nordic Serial Interface Board" (http://www.sparkfun.com/products/9019)
00016 //  only handles 4 byte transfers in the ATMega code.
00017 #define TRANSFER_SIZE   4
00018 
00019     char txData[TRANSFER_SIZE], rxData[TRANSFER_SIZE];
00020     int txDataCnt = 0;
00021     int rxDataCnt = 0;
00022 int i=0;
00023     my_nrf24l01p.powerUp();
00024     my_nrf24l01p.setRfFrequency(NRF24L01P_MIN_RF_FREQUENCY);//2400-2525
00025     my_nrf24l01p.setRfOutputPower(NRF24L01P_TX_PWR_ZERO_DB);//mAX 0  -6 -12 -18
00026     my_nrf24l01p.setAirDataRate(NRF24L01P_DATARATE_250_KBPS);//250k,1000,2000K
00027     // Display the (default) setup of the nRF24L01+ chip
00028     pc.printf( "nRF24L01+ Frequency    : %d MHz\r\n",  my_nrf24l01p.getRfFrequency() );
00029     pc.printf( "nRF24L01+ Output power : %d dBm\r\n",  my_nrf24l01p.getRfOutputPower() );
00030     pc.printf( "nRF24L01+ Data Rate    : %d kbps\r\n", my_nrf24l01p.getAirDataRate() );
00031     pc.printf( "nRF24L01+ TX Address   : 0x%010llX\r\n", my_nrf24l01p.getTxAddress() );
00032     pc.printf( "nRF24L01+ RX Address   : 0x%010llX\r\n", my_nrf24l01p.getRxAddress() );
00033 
00034     pc.printf( "Type keys to test transfers:\r\n  (transfers are grouped into %d characters)\r\n", TRANSFER_SIZE );
00035     my_nrf24l01p.setTransferSize( TRANSFER_SIZE );//mAX 4
00036 
00037     my_nrf24l01p.setReceiveMode();
00038     my_nrf24l01p.enable();
00039 
00040     while (1) {
00041 
00042         // If we've received anything over the host serial link...
00043         if ( pc.readable() ) {
00044 
00045             // ...add it to the transmit buffer
00046             txData[txDataCnt++] = pc.getc();
00047 
00048             // If the transmit buffer is full
00049             if ( txDataCnt >= sizeof( txData ) ) {
00050 
00051                 // Send the transmitbuffer via the nRF24L01+
00052                 my_nrf24l01p.write( NRF24L01P_PIPE_P0, txData, txDataCnt );
00053 
00054                 txDataCnt = 0;
00055             }
00056 
00057             // Toggle LED1 (to help debug Host -> nRF24L01+ communication)
00058   //          myled1 = !myled1;
00059         }
00060    txData[0]='A';    
00061    txData[1]='B';
00062    txData[2]='C';    
00063    txData[3]='0' + (i++ & 0x0f);    
00064 #if   defined ( TARGET_NUCLEO_L053R8 )
00065  my_nrf24l01p.write( NRF24L01P_PIPE_P0, txData, 4 );
00066 #endif 
00067         // If we've received anything in the nRF24L01+...
00068         if ( my_nrf24l01p.readable() ) {
00069 
00070             // ...read the data into the receive buffer
00071             rxDataCnt = my_nrf24l01p.read( NRF24L01P_PIPE_P0, rxData, sizeof( rxData ) );
00072 
00073             // Display the receive buffer contents via the host serial link
00074             for ( int i = 0; rxDataCnt > 0; rxDataCnt--, i++ ) {
00075 
00076                 pc.putc( rxData[i] );
00077             }
00078 
00079             // Toggle LED2 (to help debug nRF24L01+ -> Host communication)
00080     //        myled1 = !myled1;
00081         }
00082     }
00083 }