Vincent Ceyssens
/
Nucleo_blink_led
Trying to get Nucleo to talk to nRF24L01P
Revision 0:8f61132af357, committed 2017-10-24
- Comitter:
- vceyssens3
- Date:
- Tue Oct 24 18:55:23 2017 +0000
- Commit message:
- Working on changes to fix SPI;
Changed in this revision
diff -r 000000000000 -r 8f61132af357 main.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/main.cpp Tue Oct 24 18:55:23 2017 +0000 @@ -0,0 +1,77 @@ +#include "mbed.h" +#include "nRF24L01P.h" + +Serial pc(SERIAL_TX, SERIAL_RX); + +nRF24L01P my_nrf24l01p(A6, A5, A4, D6, D5, D7); // mosi, miso, sck, csn, ce, irq + +DigitalOut myled1(LED1); +DigitalOut myled2(LED2); + + +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; + + my_nrf24l01p.powerUp(); + + // 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() ); //code breaks here when no TXaddress found + 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(); + + 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; + } + + // 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) + myled2 = !myled2; + } + + } +}
diff -r 000000000000 -r 8f61132af357 mbed.bld --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Tue Oct 24 18:55:23 2017 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed/builds/b484a57bc302 \ No newline at end of file
diff -r 000000000000 -r 8f61132af357 nRF24L01P.lib --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/nRF24L01P.lib Tue Oct 24 18:55:23 2017 +0000 @@ -0,0 +1,1 @@ +https://os.mbed.com/users/vceyssens3/code/nRF24L01P/#492b467b021c