Test of wireless system

Dependencies:   mbed nRF24L01

main.cpp

Committer:
ke7kto
Date:
2015-12-24
Revision:
1:e4633773c2aa
Parent:
0:0a5d5f1a4db7
Child:
2:df53d3fdfc70

File content as of revision 1:e4633773c2aa:

#include "mbed.h"
#include "nRF24L01P.h"
 
Serial pc(USBTX, USBRX); // tx, rx

/*#VCC p3
#GND GND
#CSN D10
#CE PTC11
#MOSI D9
#SCK PTD1
#IRQ PTD0
#MISO D3*/
nRF24L01P my_nrf24l01p(D9, D3, PTD1, D10, PTC11, PTD0);    // mosi , miso, sck, csn, ce, irq
 
DigitalOut myled1(LED1);
DigitalOut myled2(LED2);
 
int main() {
 
// The nRF24L01+ supports transfers from 1 to 32 bytes, but Sparkfun's
//  "Nordic Serial Interface Board" (http://www.sparkfun.com/products/9019)
//  only handles 4 byte transfers in the ATMega code.
#define TRANSFER_SIZE   4
 
    char txData[TRANSFER_SIZE], rxData[TRANSFER_SIZE];
    int txDataCnt = 0;
    int rxDataCnt = 0;
 
    my_nrf24l01p.powerUp();
 
    // Display the (default) setup of the nRF24L01+ chip
    pc.printf( "nRF24L01+ Frequency    : %d MHz\r\n",  my_nrf24l01p.getRfFrequency() );
    pc.printf( "nRF24L01+ Output power : %d dBm\r\n",  my_nrf24l01p.getRfOutputPower() );
    pc.printf( "nRF24L01+ Data Rate    : %d kbps\r\n", my_nrf24l01p.getAirDataRate() );
    pc.printf( "nRF24L01+ TX Address   : 0x%010llX\r\n", my_nrf24l01p.getTxAddress() );
    pc.printf( "nRF24L01+ RX Address   : 0x%010llX\r\n", my_nrf24l01p.getRxAddress() );
 
    pc.printf( "Type keys to test transfers:\r\n  (transfers are grouped into %d characters)\r\n", TRANSFER_SIZE );
 
    my_nrf24l01p.setTransferSize( TRANSFER_SIZE );
 
    my_nrf24l01p.setReceiveMode();
    my_nrf24l01p.enable();
 
    while (1) {
 
        // If we've received anything over the host serial link...
        if ( pc.readable() ) {
 
            // ...add it to the transmit buffer
            txData[txDataCnt++] = pc.getc();
 
            // If the transmit buffer is full
            if ( txDataCnt >= sizeof( txData ) ) {
 
                // Send the transmitbuffer via the nRF24L01+
                my_nrf24l01p.write( NRF24L01P_PIPE_P0, txData, txDataCnt );
 
                txDataCnt = 0;
            }
 
            // Toggle LED1 (to help debug Host -> nRF24L01+ communication)
            myled1 = !myled1;
        }
 
        // If we've received anything in the nRF24L01+...
        if ( my_nrf24l01p.readable() ) {
 
            // ...read the data into the receive buffer
            rxDataCnt = my_nrf24l01p.read( NRF24L01P_PIPE_P0, rxData, sizeof( rxData ) );
 
            // Display the receive buffer contents via the host serial link
            for ( int i = 0; rxDataCnt > 0; rxDataCnt--, i++ ) {
 
                pc.putc( rxData[i] );
            }
 
            // Toggle LED2 (to help debug nRF24L01+ -> Host communication)
            myled2 = !myled2;
        }
    }
}