Monish Kapadia / Mbed 2 deprecated LAB24_Node0

Node0_1

Dependencies:   mbed nRF24L01P

Node0.cpp@0:18bbf62d790f, 2016-07-06 (annotated)

Committer:
monish
Date:
Wed Jul 06 06:27:07 2016 +0000
Revision:
0:18bbf62d790f
Child:
1:1fd595f713c0
Node0;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
monish 0:18bbf62d790f 1 /****PIPE0 Transmitter****/
monish 0:18bbf62d790f 2
monish 0:18bbf62d790f 3 #include "mbed.h"
monish 0:18bbf62d790f 4 #include "nRF24L01P.h"
monish 0:18bbf62d790f 5
monish 0:18bbf62d790f 6 Serial pc(USBTX, USBRX); // tx, rx
monish 0:18bbf62d790f 7
monish 0:18bbf62d790f 8 nRF24L01P my_nrf24l01p(PTD2, PTD3, PTD1, PTD0, PTD5, PTD4); // mosi, miso, sck, csn, ce, irq
monish 0:18bbf62d790f 9 DigitalOut RedLED(LED1);
monish 0:18bbf62d790f 10 AnalogIn pot(A0);
monish 0:18bbf62d790f 11
monish 0:18bbf62d790f 12 int main()
monish 0:18bbf62d790f 13 {
monish 0:18bbf62d790f 14 char count[1];
monish 0:18bbf62d790f 15 char TxDataCnt;
monish 0:18bbf62d790f 16 char temp;
monish 0:18bbf62d790f 17
monish 0:18bbf62d790f 18 //set tx and rx address for pipe0: 5 bytes long; different for every pipe
monish 0:18bbf62d790f 19 long long TxAddress_PIPE0 = 0xC2C2C2C2C2;
monish 0:18bbf62d790f 20 long long RxAddress_PIPE0 = 0xC2C2C2C2C2;
monish 0:18bbf62d790f 21
monish 0:18bbf62d790f 22 my_nrf24l01p.powerUp();
monish 0:18bbf62d790f 23 my_nrf24l01p.setRfFrequency(2475);
monish 0:18bbf62d790f 24
monish 0:18bbf62d790f 25 //setting tx and rx address
monish 0:18bbf62d790f 26 my_nrf24l01p.setTxAddress(TxAddress_PIPE0);
monish 0:18bbf62d790f 27
monish 0:18bbf62d790f 28 //set rx address with default width and pipe number
monish 0:18bbf62d790f 29 my_nrf24l01p.setRxAddress(RxAddress_PIPE0, DEFAULT_NRF24L01P_ADDRESS_WIDTH, NRF24L01P_PIPE_P0);
monish 0:18bbf62d790f 30
monish 0:18bbf62d790f 31 // Display the (default) setup of the nRF24L01+ chip
monish 0:18bbf62d790f 32 pc.printf( "nRF24L01+ Frequency : %d MHz\r\n", my_nrf24l01p.getRfFrequency() );
monish 0:18bbf62d790f 33 pc.printf( "nRF24L01+ Output power : %d dBm\r\n", my_nrf24l01p.getRfOutputPower() );
monish 0:18bbf62d790f 34 pc.printf( "nRF24L01+ Data Rate : %d kbps\r\n", my_nrf24l01p.getAirDataRate() );
monish 0:18bbf62d790f 35 pc.printf( "nRF24L01+ TX Address - PIPE0 : 0x%010llX\r\n", my_nrf24l01p.getTxAddress() );
monish 0:18bbf62d790f 36
monish 0:18bbf62d790f 37 pc.printf( "Wirelesss sensor network \r\n");
monish 0:18bbf62d790f 38
monish 0:18bbf62d790f 39 TxDataCnt = 1;
monish 0:18bbf62d790f 40
monish 0:18bbf62d790f 41 //set transfer size for specified pipe
monish 0:18bbf62d790f 42 my_nrf24l01p.setTransferSize(TxDataCnt, NRF24L01P_PIPE_P0);
monish 0:18bbf62d790f 43 my_nrf24l01p.enable();
monish 0:18bbf62d790f 44
monish 0:18bbf62d790f 45 char pot_val;
monish 0:18bbf62d790f 46
monish 0:18bbf62d790f 47 while (1) {
monish 0:18bbf62d790f 48
monish 0:18bbf62d790f 49 //adjusting data to 0-255 with char data type
monish 0:18bbf62d790f 50 pot_val = 255*(pot.read());
monish 0:18bbf62d790f 51
monish 0:18bbf62d790f 52 count[0] = pot_val;
monish 0:18bbf62d790f 53
monish 0:18bbf62d790f 54 //transmit on specified pipe
monish 0:18bbf62d790f 55 temp = my_nrf24l01p.write( NRF24L01P_PIPE_P0,count, TxDataCnt );
monish 0:18bbf62d790f 56
monish 0:18bbf62d790f 57 pc.printf( "Sending %d bytes from PIPE0; POT=%d\r\n",temp,count[0]);
monish 0:18bbf62d790f 58
monish 0:18bbf62d790f 59 // Toggle LED1 (to help debug Host -> nRF24L01+ communication)
monish 0:18bbf62d790f 60 RedLED = !RedLED;
monish 0:18bbf62d790f 61
monish 0:18bbf62d790f 62 wait(10);
monish 0:18bbf62d790f 63 }
monish 0:18bbf62d790f 64 }