Receiver.cpp

00001 #include "mbed.h"
00002 #include "nRF24L01P.h"
00003  
00004 Serial pc(USBTX, USBRX); // tx, rx
00005  
00006 nRF24L01P my_nrf24l01p(PTD2, PTD3, PTD1, PTD0, PTD5, PTD4);    // mosi, miso, sck, csn, ce, irq
00007 DigitalOut GreenLED(LED2);
00008 PwmOut RedLed(LED1);
00009  
00010 int main() {
00011     
00012     char count[2];
00013     char RxDataCnt;
00014     char temp;
00015     
00016     float ldr_val, pot_val;
00017  
00018     my_nrf24l01p.powerUp();
00019     my_nrf24l01p.setRfFrequency(2410);
00020  
00021     // Display the (default) setup of the nRF24L01+ chip
00022     pc.printf( "nRF24L01+ Frequency    : %d MHz\r\n",  my_nrf24l01p.getRfFrequency() );
00023     pc.printf( "nRF24L01+ Output power : %d dBm\r\n",  my_nrf24l01p.getRfOutputPower() );
00024     pc.printf( "nRF24L01+ Data Rate    : %d kbps\r\n", my_nrf24l01p.getAirDataRate() );
00025     pc.printf( "nRF24L01+ TX Address   : 0x%010llX\r\n", my_nrf24l01p.getTxAddress() );
00026     pc.printf( "nRF24L01+ RX Address   : 0x%010llX\r\n", my_nrf24l01p.getRxAddress() );
00027  
00028     pc.printf( "Simple 2 Byte Receiver\r\n" );
00029     
00030     RxDataCnt = 2;
00031     my_nrf24l01p.setTransferSize( RxDataCnt );
00032     
00033     my_nrf24l01p.setReceiveMode();
00034     my_nrf24l01p.enable();
00035  
00036     while (1) {
00037  
00038         // If we've received anything in the nRF24L01+...
00039         if ( my_nrf24l01p.readable() ) {
00040  
00041             // ...read the data into the receive buffer
00042             temp = my_nrf24l01p.read( NRF24L01P_PIPE_P0, count, RxDataCnt );
00043  
00044             ldr_val = count[0]/255.0;
00045             pot_val = count[1]/255.0;
00046             
00047             //change according to need here; Im printing on serial terminal
00048             pc.printf("Received: %d bytes ;LDR=%.3f, POT=%.3f\r\n",temp,ldr_val, pot_val);
00049             
00050             // Toggle LED2 (to help debug nRF24L01+ -> Host communication)
00051             GreenLED = !GreenLED;
00052             wait_ms(10);
00053         }
00054     }
00055 }