Wireless sensor network to log LDR and Potentiometer values on Serial terminal. Wireless module used is NRF24L01P. This is the transmitter code.

Dependencies:   mbed nRF24L01P

Fork of kl25Z_nRF_TX by Ganesh Gore

Transmitter.cpp

Committer:
ganeshgore
Date:
2015-06-01
Revision:
0:19a03658bf70
Child:
1:52659fc8b32a

File content as of revision 0:19a03658bf70:

#include "mbed.h"
#include "nRF24L01P.h"

Serial pc(USBTX, USBRX); // tx, rx

nRF24L01P my_nrf24l01p(PTD6, PTE3, PTE2, PTB8, PTB9, PTD0);    // mosi, miso, sck, csn, ce, irq
DigitalOut RedLED(LED1);

int main()
{
    char count[2];
    char TxDataCnt;
    char temp;


    my_nrf24l01p.powerUp();
    my_nrf24l01p.setRfFrequency(2410);

    // 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( "Simple Transmitter (0 - 9 Counter) \r\n");

    TxDataCnt = 2;
    my_nrf24l01p.setTransferSize(TxDataCnt);

    my_nrf24l01p.enable();

    count[0] = 0x01;
    count[1] = 0x01;

    while (1) {

        // Send the Transmit buffer via the nRF24L01+
        temp = my_nrf24l01p.write( NRF24L01P_PIPE_P0,count, TxDataCnt );

        pc.printf( "Sending %d - %d %d\r\n",temp,count[0],count[1]);

        // Toggle LED1 (to help debug Host -> nRF24L01+ communication)
        RedLED = !RedLED;
            
        count[1]++;
        
        wait(1);
    }
}