Vincent Ceyssens
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
--- /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;
+ }
+
+ }
+}
--- /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
--- /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