I-O DATA DEV2
/
stm32_hello_nrf24
nrf24 test
Diff: main.cpp
- Revision:
- 0:b1276e0d29a3
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/main.cpp Tue Nov 24 04:53:57 2020 +0000 @@ -0,0 +1,83 @@ +#include "mbed.h" +#include "nRF24L01P.h" +RawSerial pc(PA_2, PA_3,9600 ); + + +nRF24L01P my_nrf24l01p(D11, D12, D13, D10, D9,D8); // mosi, miso, sck, csn, ce, irq +//nRF24L01P my_nrf24l01p(p5, p6, p7, p8, p9, p10); // mosi, miso, sck, csn, ce, irq + +//DigitalOut myled1(LED1); +//DigitalOut myled2(D3); + +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 4 + + char txData[TRANSFER_SIZE], rxData[TRANSFER_SIZE]; + int txDataCnt = 0; + int rxDataCnt = 0; +int i=0; + my_nrf24l01p.powerUp(); + my_nrf24l01p.setRfFrequency(NRF24L01P_MIN_RF_FREQUENCY);//2400-2525 + my_nrf24l01p.setRfOutputPower(NRF24L01P_TX_PWR_ZERO_DB);//mAX 0 -6 -12 -18 + my_nrf24l01p.setAirDataRate(NRF24L01P_DATARATE_250_KBPS);//250k,1000,2000K + // 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 );//mAX 4 + + 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; + } + + // Toggle LED1 (to help debug Host -> nRF24L01+ communication) + // myled1 = !myled1; + } + txData[0]='A'; + txData[1]='B'; + txData[2]='C'; + txData[3]='0' + (i++ & 0x0f); +#if defined ( TARGET_NUCLEO_L053R8 ) + my_nrf24l01p.write( NRF24L01P_PIPE_P0, txData, 4 ); +#endif + // 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] ); + } + + // Toggle LED2 (to help debug nRF24L01+ -> Host communication) + // myled1 = !myled1; + } + } +}