Christian Faure / Mbed 2 deprecated STM32F103C8T6_nRF24L01P_Hello_World

Example based on UDAKZ example + OWEN EDWARDS example to test nRF24L01P with STM32F103C8T6 board

Dependencies:   mbed-STM32F103C8T6 mbed nRF24L01P

Fork of STM32F103C8T6_Hello by Zoltan Hudak

main.cpp@8:c3006edbb507, 2016-07-29 (annotated)

Committer:
cfb95
Date:
Fri Jul 29 14:45:55 2016 +0000
Revision:
8:c3006edbb507
Parent:
7:accb2c83a007 
Example based on HUDAKZ example + OWEN EDWARDS example to test nRF24L01P with STM32F103C8T6.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
hudakz 5:3c3ef17a17a6 1 #include "stm32f103c8t6.h"
hudakz 0:ab218237069e 2 #include "mbed.h"
cfb95 8:c3006edbb507 3 #include "nRF24L01P.h"
cfb95 8:c3006edbb507 4
cfb95 8:c3006edbb507 5 // The nRF24L01+ supports transfers from 1 to 32 bytes, but Sparkfun's
cfb95 8:c3006edbb507 6 // "Nordic Serial Interface Board" (http://www.sparkfun.com/products/9019)
cfb95 8:c3006edbb507 7 // only handles 4 byte transfers in the ATMega code.
cfb95 8:c3006edbb507 8 #define TRANSFER_SIZE 4
cfb95 8:c3006edbb507 9
cfb95 8:c3006edbb507 10
cfb95 8:c3006edbb507 11 #define LED2 PB_15
cfb95 8:c3006edbb507 12
cfb95 8:c3006edbb507 13 #define CSN PC_14
cfb95 8:c3006edbb507 14 #define CE PC_15
cfb95 8:c3006edbb507 15 #define IRQ PB_1
cfb95 8:c3006edbb507 16
cfb95 8:c3006edbb507 17 #define LED_ON 0
cfb95 8:c3006edbb507 18 #define LED_OFF 1
hudakz 0:ab218237069e 19
hudakz 6:d99931fc19c0 20 Serial pc(PA_2, PA_3);
cfb95 8:c3006edbb507 21 DigitalOut myled1(LED1);//tx activity
cfb95 8:c3006edbb507 22 DigitalOut myled2(LED2);//rx activity
cfb95 8:c3006edbb507 23
cfb95 8:c3006edbb507 24
cfb95 8:c3006edbb507 25 nRF24L01P my_nrf24l01p(SPI_MOSI, SPI_MISO, SPI_SCK, CSN, CE, IRQ); // mosi, miso, sck, csn, ce, irq
hudakz 0:ab218237069e 26
hudakz 0:ab218237069e 27 int main() {
cfb95 8:c3006edbb507 28 char txData[TRANSFER_SIZE], rxData[TRANSFER_SIZE];
cfb95 8:c3006edbb507 29 int txDataCnt = 0;
cfb95 8:c3006edbb507 30 int rxDataCnt = 0;
hudakz 7:accb2c83a007 31 confSysClock(); // Configuring system clock
cfb95 8:c3006edbb507 32 pc.baud(115200);
cfb95 8:c3006edbb507 33 myled1 = LED_OFF; // turn the LED off
cfb95 8:c3006edbb507 34 myled2 = LED_OFF;
cfb95 8:c3006edbb507 35 pc.printf("STM32+nRF24L01+ Test\r\n");
cfb95 8:c3006edbb507 36
cfb95 8:c3006edbb507 37
cfb95 8:c3006edbb507 38 my_nrf24l01p.powerUp();
cfb95 8:c3006edbb507 39
cfb95 8:c3006edbb507 40 // Display the (default) setup of the nRF24L01+ chip
cfb95 8:c3006edbb507 41 pc.printf( "nRF24L01+ Frequency : %d MHz\r\n", my_nrf24l01p.getRfFrequency() );
cfb95 8:c3006edbb507 42 pc.printf( "nRF24L01+ Output power : %d dBm\r\n", my_nrf24l01p.getRfOutputPower() );
cfb95 8:c3006edbb507 43 pc.printf( "nRF24L01+ Data Rate : %d kbps\r\n", my_nrf24l01p.getAirDataRate() );
cfb95 8:c3006edbb507 44 pc.printf( "nRF24L01+ TX Address : 0x%010llX\r\n", my_nrf24l01p.getTxAddress() );
cfb95 8:c3006edbb507 45 pc.printf( "nRF24L01+ RX Address : 0x%010llX\r\n", my_nrf24l01p.getRxAddress() );
cfb95 8:c3006edbb507 46
cfb95 8:c3006edbb507 47 pc.printf( "Type keys to test transfers:\r\n (transfers are grouped into %d characters)\r\n", TRANSFER_SIZE );
cfb95 8:c3006edbb507 48
cfb95 8:c3006edbb507 49 my_nrf24l01p.setTransferSize( TRANSFER_SIZE );
cfb95 8:c3006edbb507 50
cfb95 8:c3006edbb507 51 my_nrf24l01p.setReceiveMode();
cfb95 8:c3006edbb507 52 my_nrf24l01p.enable();
cfb95 8:c3006edbb507 53
cfb95 8:c3006edbb507 54 while (1) {
cfb95 8:c3006edbb507 55
cfb95 8:c3006edbb507 56 // If we've received anything over the host serial link...
cfb95 8:c3006edbb507 57 if ( pc.readable() ) {
cfb95 8:c3006edbb507 58
cfb95 8:c3006edbb507 59 // ...add it to the transmit buffer
cfb95 8:c3006edbb507 60 txData[txDataCnt++] = pc.getc();
cfb95 8:c3006edbb507 61
cfb95 8:c3006edbb507 62 // If the transmit buffer is full
cfb95 8:c3006edbb507 63 if ( txDataCnt >= sizeof( txData ) ) {
cfb95 8:c3006edbb507 64
cfb95 8:c3006edbb507 65 // Send the transmitbuffer via the nRF24L01+
cfb95 8:c3006edbb507 66 my_nrf24l01p.write( NRF24L01P_PIPE_P0, txData, txDataCnt );
cfb95 8:c3006edbb507 67
cfb95 8:c3006edbb507 68 txDataCnt = 0;
cfb95 8:c3006edbb507 69 }
cfb95 8:c3006edbb507 70
cfb95 8:c3006edbb507 71 // Toggle LED1 (to help debug Host -> nRF24L01+ communication)
cfb95 8:c3006edbb507 72 myled1 = !myled1;
cfb95 8:c3006edbb507 73 }
cfb95 8:c3006edbb507 74
cfb95 8:c3006edbb507 75 // If we've received anything in the nRF24L01+...
cfb95 8:c3006edbb507 76 if ( my_nrf24l01p.readable() ) {
cfb95 8:c3006edbb507 77
cfb95 8:c3006edbb507 78 // ...read the data into the receive buffer
cfb95 8:c3006edbb507 79 rxDataCnt = my_nrf24l01p.read( NRF24L01P_PIPE_P0, rxData, sizeof( rxData ) );
cfb95 8:c3006edbb507 80
cfb95 8:c3006edbb507 81 // Display the receive buffer contents via the host serial link
cfb95 8:c3006edbb507 82 for ( int i = 0; rxDataCnt > 0; rxDataCnt--, i++ ) {
cfb95 8:c3006edbb507 83
cfb95 8:c3006edbb507 84 pc.putc( rxData[i] );
cfb95 8:c3006edbb507 85 }
cfb95 8:c3006edbb507 86
cfb95 8:c3006edbb507 87 // Toggle LED2 (to help debug nRF24L01+ -> Host communication)
cfb95 8:c3006edbb507 88 myled2 = !myled2;
cfb95 8:c3006edbb507 89 }
hudakz 0:ab218237069e 90 }
cfb95 8:c3006edbb507 91
hudakz 0:ab218237069e 92 }