scooter / Mbed 2 deprecated nRF24L01P_Hello_World

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Dependencies:   mbed nRF24L01P

Fork of nRF24L01P_Hello_World by Owen Edwards

main.cpp@2:b03d93dd78f2, 2016-01-05 (annotated)

Committer:
iFoxtec
Date:
Tue Jan 05 14:01:40 2016 +0000
Revision:
2:b03d93dd78f2
Parent:
1:5be2682710c6 
ajhf

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Owen 0:a51a6e7da590 1 #include "mbed.h"
Owen 0:a51a6e7da590 2 #include "nRF24L01P.h"
Owen 0:a51a6e7da590 3
Owen 0:a51a6e7da590 4 Serial pc(USBTX, USBRX); // tx, rx
Owen 0:a51a6e7da590 5
iFoxtec 2:b03d93dd78f2 6 nRF24L01P my_nrf24l01p(D4, D5, D3, D10, D8, D9); // mosi, miso, sck, csn, ce, irq
Owen 0:a51a6e7da590 7
Owen 0:a51a6e7da590 8
Owen 0:a51a6e7da590 9 int main() {
Owen 0:a51a6e7da590 10
Owen 0:a51a6e7da590 11 // The nRF24L01+ supports transfers from 1 to 32 bytes, but Sparkfun's
Owen 0:a51a6e7da590 12 // "Nordic Serial Interface Board" (http://www.sparkfun.com/products/9019)
Owen 0:a51a6e7da590 13 // only handles 4 byte transfers in the ATMega code.
iFoxtec 2:b03d93dd78f2 14 #define TRANSFER_SIZE 1
Owen 0:a51a6e7da590 15
Owen 0:a51a6e7da590 16 char txData[TRANSFER_SIZE], rxData[TRANSFER_SIZE];
Owen 0:a51a6e7da590 17 int txDataCnt = 0;
Owen 0:a51a6e7da590 18 int rxDataCnt = 0;
Owen 0:a51a6e7da590 19
Owen 0:a51a6e7da590 20 my_nrf24l01p.powerUp();
iFoxtec 2:b03d93dd78f2 21 my_nrf24l01p.setAirDataRate(250);
iFoxtec 2:b03d93dd78f2 22 my_nrf24l01p.setRxAddress(0xE7E7E7E7E1, DEFAULT_NRF24L01P_ADDRESS_WIDTH, NRF24L01P_PIPE_P0);
iFoxtec 2:b03d93dd78f2 23 my_nrf24l01p.setTxAddress(0xE7E7E7E7E6, DEFAULT_NRF24L01P_ADDRESS_WIDTH);
iFoxtec 2:b03d93dd78f2 24
iFoxtec 2:b03d93dd78f2 25
Owen 0:a51a6e7da590 26 // Display the (default) setup of the nRF24L01+ chip
Owen 0:a51a6e7da590 27 pc.printf( "nRF24L01+ Frequency : %d MHz\r\n", my_nrf24l01p.getRfFrequency() );
Owen 0:a51a6e7da590 28 pc.printf( "nRF24L01+ Output power : %d dBm\r\n", my_nrf24l01p.getRfOutputPower() );
Owen 0:a51a6e7da590 29 pc.printf( "nRF24L01+ Data Rate : %d kbps\r\n", my_nrf24l01p.getAirDataRate() );
Owen 0:a51a6e7da590 30 pc.printf( "nRF24L01+ TX Address : 0x%010llX\r\n", my_nrf24l01p.getTxAddress() );
Owen 0:a51a6e7da590 31 pc.printf( "nRF24L01+ RX Address : 0x%010llX\r\n", my_nrf24l01p.getRxAddress() );
Owen 0:a51a6e7da590 32
Owen 0:a51a6e7da590 33 pc.printf( "Type keys to test transfers:\r\n (transfers are grouped into %d characters)\r\n", TRANSFER_SIZE );
Owen 0:a51a6e7da590 34
Owen 0:a51a6e7da590 35 my_nrf24l01p.setTransferSize( TRANSFER_SIZE );
Owen 0:a51a6e7da590 36
Owen 0:a51a6e7da590 37 my_nrf24l01p.setReceiveMode();
Owen 0:a51a6e7da590 38 my_nrf24l01p.enable();
iFoxtec 2:b03d93dd78f2 39 pc.printf( "nRF24L01+ Data Rate : %d kbps\r\n", my_nrf24l01p.getAirDataRate() );
Owen 0:a51a6e7da590 40 while (1) {
Owen 0:a51a6e7da590 41
Owen 0:a51a6e7da590 42 // If we've received anything over the host serial link...
Owen 0:a51a6e7da590 43 if ( pc.readable() ) {
Owen 0:a51a6e7da590 44
Owen 0:a51a6e7da590 45 // ...add it to the transmit buffer
Owen 0:a51a6e7da590 46 txData[txDataCnt++] = pc.getc();
Owen 0:a51a6e7da590 47
Owen 0:a51a6e7da590 48 // If the transmit buffer is full
Owen 0:a51a6e7da590 49 if ( txDataCnt >= sizeof( txData ) ) {
Owen 0:a51a6e7da590 50
Owen 0:a51a6e7da590 51 // Send the transmitbuffer via the nRF24L01+
Owen 0:a51a6e7da590 52 my_nrf24l01p.write( NRF24L01P_PIPE_P0, txData, txDataCnt );
Owen 0:a51a6e7da590 53
Owen 0:a51a6e7da590 54 txDataCnt = 0;
Owen 0:a51a6e7da590 55 }
Owen 0:a51a6e7da590 56
Owen 0:a51a6e7da590 57 }
Owen 0:a51a6e7da590 58
Owen 0:a51a6e7da590 59 // If we've received anything in the nRF24L01+...
Owen 0:a51a6e7da590 60 if ( my_nrf24l01p.readable() ) {
Owen 0:a51a6e7da590 61
Owen 0:a51a6e7da590 62 // ...read the data into the receive buffer
Owen 0:a51a6e7da590 63 rxDataCnt = my_nrf24l01p.read( NRF24L01P_PIPE_P0, rxData, sizeof( rxData ) );
Owen 0:a51a6e7da590 64
Owen 0:a51a6e7da590 65 // Display the receive buffer contents via the host serial link
Owen 0:a51a6e7da590 66 for ( int i = 0; rxDataCnt > 0; rxDataCnt--, i++ ) {
Owen 0:a51a6e7da590 67
Owen 0:a51a6e7da590 68 pc.putc( rxData[i] );
Owen 0:a51a6e7da590 69 }
Owen 0:a51a6e7da590 70
Owen 0:a51a6e7da590 71 }
Owen 0:a51a6e7da590 72 }
Owen 0:a51a6e7da590 73 }