Wass F / Mbed 2 deprecated Bluepill_nRF24L01P_Hello

Adapting nRF24L01p sample to Bluepill

Dependencies:   mbed-STM32F103C8T6 mbed nRF24L01P

Fork of nRF24L01P_Hello_World by Owen Edwards

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@2:0315a394b1a3, 2017-05-01 (annotated)

Committer:
wassfila
Date:
Mon May 01 08:48:24 2017 +0000
Revision:
2:0315a394b1a3
Parent:
1:5be2682710c6 
Adapting the nRF sample to the Blue pill STM32F103C8T6

Who changed what in which revision?

UserRevisionLine numberNew contents of line
wassfila 2:0315a394b1a3 1 #include "stm32f103c8t6.h"
Owen 0:a51a6e7da590 2 #include "mbed.h"
Owen 0:a51a6e7da590 3 #include "nRF24L01P.h"
Owen 0:a51a6e7da590 4
Owen 0:a51a6e7da590 5 Serial pc(USBTX, USBRX); // tx, rx
Owen 0:a51a6e7da590 6
wassfila 2:0315a394b1a3 7 nRF24L01P my_nrf24l01p(PB_15, PB_14, PB_13, PB_12, PA_8, PA_9); // mosi, miso, sck, csn, ce, irq
Owen 0:a51a6e7da590 8
Owen 0:a51a6e7da590 9 DigitalOut myled1(LED1);
wassfila 2:0315a394b1a3 10 //DigitalOut myled2(LED2);
Owen 0:a51a6e7da590 11
wassfila 2:0315a394b1a3 12 int main()
wassfila 2:0315a394b1a3 13 {
wassfila 2:0315a394b1a3 14 confSysClock(); //Configure system clock (72MHz HSE clock, 48MHz USB clock)
Owen 0:a51a6e7da590 15
Owen 0:a51a6e7da590 16 // The nRF24L01+ supports transfers from 1 to 32 bytes, but Sparkfun's
Owen 0:a51a6e7da590 17 // "Nordic Serial Interface Board" (http://www.sparkfun.com/products/9019)
Owen 0:a51a6e7da590 18 // only handles 4 byte transfers in the ATMega code.
Owen 0:a51a6e7da590 19 #define TRANSFER_SIZE 4
Owen 0:a51a6e7da590 20
Owen 0:a51a6e7da590 21 char txData[TRANSFER_SIZE], rxData[TRANSFER_SIZE];
Owen 0:a51a6e7da590 22 int txDataCnt = 0;
Owen 0:a51a6e7da590 23 int rxDataCnt = 0;
Owen 0:a51a6e7da590 24
Owen 0:a51a6e7da590 25 my_nrf24l01p.powerUp();
Owen 0:a51a6e7da590 26
Owen 0:a51a6e7da590 27 // Display the (default) setup of the nRF24L01+ chip
Owen 0:a51a6e7da590 28 pc.printf( "nRF24L01+ Frequency : %d MHz\r\n", my_nrf24l01p.getRfFrequency() );
Owen 0:a51a6e7da590 29 pc.printf( "nRF24L01+ Output power : %d dBm\r\n", my_nrf24l01p.getRfOutputPower() );
Owen 0:a51a6e7da590 30 pc.printf( "nRF24L01+ Data Rate : %d kbps\r\n", my_nrf24l01p.getAirDataRate() );
Owen 0:a51a6e7da590 31 pc.printf( "nRF24L01+ TX Address : 0x%010llX\r\n", my_nrf24l01p.getTxAddress() );
Owen 0:a51a6e7da590 32 pc.printf( "nRF24L01+ RX Address : 0x%010llX\r\n", my_nrf24l01p.getRxAddress() );
Owen 0:a51a6e7da590 33
Owen 0:a51a6e7da590 34 pc.printf( "Type keys to test transfers:\r\n (transfers are grouped into %d characters)\r\n", TRANSFER_SIZE );
Owen 0:a51a6e7da590 35
Owen 0:a51a6e7da590 36 my_nrf24l01p.setTransferSize( TRANSFER_SIZE );
Owen 0:a51a6e7da590 37
Owen 0:a51a6e7da590 38 my_nrf24l01p.setReceiveMode();
Owen 0:a51a6e7da590 39 my_nrf24l01p.enable();
Owen 0:a51a6e7da590 40
Owen 0:a51a6e7da590 41 while (1) {
Owen 0:a51a6e7da590 42
Owen 0:a51a6e7da590 43 // If we've received anything over the host serial link...
Owen 0:a51a6e7da590 44 if ( pc.readable() ) {
Owen 0:a51a6e7da590 45
Owen 0:a51a6e7da590 46 // ...add it to the transmit buffer
Owen 0:a51a6e7da590 47 txData[txDataCnt++] = pc.getc();
Owen 0:a51a6e7da590 48
Owen 0:a51a6e7da590 49 // If the transmit buffer is full
Owen 0:a51a6e7da590 50 if ( txDataCnt >= sizeof( txData ) ) {
Owen 0:a51a6e7da590 51
Owen 0:a51a6e7da590 52 // Send the transmitbuffer via the nRF24L01+
Owen 0:a51a6e7da590 53 my_nrf24l01p.write( NRF24L01P_PIPE_P0, txData, txDataCnt );
Owen 0:a51a6e7da590 54
Owen 0:a51a6e7da590 55 txDataCnt = 0;
Owen 0:a51a6e7da590 56 }
Owen 0:a51a6e7da590 57
Owen 0:a51a6e7da590 58 // Toggle LED1 (to help debug Host -> nRF24L01+ communication)
Owen 0:a51a6e7da590 59 myled1 = !myled1;
Owen 0:a51a6e7da590 60 }
Owen 0:a51a6e7da590 61
Owen 0:a51a6e7da590 62 // If we've received anything in the nRF24L01+...
Owen 0:a51a6e7da590 63 if ( my_nrf24l01p.readable() ) {
Owen 0:a51a6e7da590 64
Owen 0:a51a6e7da590 65 // ...read the data into the receive buffer
Owen 0:a51a6e7da590 66 rxDataCnt = my_nrf24l01p.read( NRF24L01P_PIPE_P0, rxData, sizeof( rxData ) );
Owen 0:a51a6e7da590 67
Owen 0:a51a6e7da590 68 // Display the receive buffer contents via the host serial link
Owen 0:a51a6e7da590 69 for ( int i = 0; rxDataCnt > 0; rxDataCnt--, i++ ) {
Owen 0:a51a6e7da590 70
Owen 0:a51a6e7da590 71 pc.putc( rxData[i] );
Owen 0:a51a6e7da590 72 }
Owen 0:a51a6e7da590 73
Owen 0:a51a6e7da590 74 // Toggle LED2 (to help debug nRF24L01+ -> Host communication)
wassfila 2:0315a394b1a3 75 //myled2 = !myled2;
Owen 0:a51a6e7da590 76 }
Owen 0:a51a6e7da590 77 }
Owen 0:a51a6e7da590 78 }