Test program for the Nordic Semi nRF24L01 Transceiver Module (http://www.sparkfun.com/products/691), talking to another module connected to SparkFun\'s Nordic Serial Interface Board (http://www.sparkfun.com/products/9019).
main.cpp
- Committer:
- ViriJay
- Date:
- 2018-12-13
- Revision:
- 3:37c053b30ca0
- Parent:
- 2:766f2f117453
- Child:
- 4:7fa578849b23
File content as of revision 3:37c053b30ca0:
#include "mbed.h" #include "nRF24L01P.h" Serial pc(USBTX, USBRX); // tx, rx nRF24L01P my_nrf24l01p(D11, D12, D13, D8, D9, D7); #define TRANSFER_SIZE 4 void setDefaults() { my_nrf24l01p.setRfFrequency(DEFAULT_NRF24L01P_RF_FREQUENCY); my_nrf24l01p.setRfOutputPower(DEFAULT_NRF24L01P_TX_PWR); my_nrf24l01p.setAirDataRate(DEFAULT_NRF24L01P_DATARATE); } void setFrequency(int frequency) { my_nrf24l01p.setRfFrequency(frequency); } void setPower(int power) { my_nrf24l01p.setRfOutputPower(power); } void setDataReet(int datareet) { my_nrf24l01p.setAirDataRate(datareet); } void printSettings() { // 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 ); } 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. char txData[TRANSFER_SIZE], rxData[TRANSFER_SIZE]; int txDataCnt = 0; int rxDataCnt = 0; my_nrf24l01p.powerUp(); printSettings(); setFrequency(2450); setPower(-6); setDataReet(1000); printSettings(); setDefaults(); printSettings(); 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; } } // 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] ); } } } }