scooter
/
nRF24L01P_Hello_World
dddd
Fork of nRF24L01P_Hello_World by
main.cpp
- Committer:
- iFoxtec
- Date:
- 2016-01-05
- Revision:
- 2:b03d93dd78f2
- Parent:
- 1:5be2682710c6
File content as of revision 2:b03d93dd78f2:
#include "mbed.h" #include "nRF24L01P.h" Serial pc(USBTX, USBRX); // tx, rx nRF24L01P my_nrf24l01p(D4, D5, D3, D10, D8, D9); // mosi, miso, sck, csn, ce, irq 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 1 char txData[TRANSFER_SIZE], rxData[TRANSFER_SIZE]; int txDataCnt = 0; int rxDataCnt = 0; my_nrf24l01p.powerUp(); my_nrf24l01p.setAirDataRate(250); my_nrf24l01p.setRxAddress(0xE7E7E7E7E1, DEFAULT_NRF24L01P_ADDRESS_WIDTH, NRF24L01P_PIPE_P0); my_nrf24l01p.setTxAddress(0xE7E7E7E7E6, DEFAULT_NRF24L01P_ADDRESS_WIDTH); // 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(); pc.printf( "nRF24L01+ Data Rate : %d kbps\r\n", my_nrf24l01p.getAirDataRate() ); 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; } } // 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] ); } } } }