Adapting nRF24L01p sample to Bluepill
Dependencies: mbed-STM32F103C8T6 mbed nRF24L01P
Fork of nRF24L01P_Hello_World by
Still under tests
Used for frameworks evaluations : https://hackaday.io/project/21045-stm32-bluepill-frameworks-evaluation
Target HW : https://hackaday.io/project/21396-stm32-blue-pill-iot-expansion-boards
main.cpp
- Committer:
- wassfila
- Date:
- 2017-05-01
- Revision:
- 2:0315a394b1a3
- Parent:
- 1:5be2682710c6
File content as of revision 2:0315a394b1a3:
#include "stm32f103c8t6.h" #include "mbed.h" #include "nRF24L01P.h" Serial pc(USBTX, USBRX); // tx, rx nRF24L01P my_nrf24l01p(PB_15, PB_14, PB_13, PB_12, PA_8, PA_9); // mosi, miso, sck, csn, ce, irq DigitalOut myled1(LED1); //DigitalOut myled2(LED2); int main() { confSysClock(); //Configure system clock (72MHz HSE clock, 48MHz USB clock) // 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() ); 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; } } }