Zoltan Hudak / Mbed 2 deprecated STM32F407VET6_nRF24L01_Master

Master (transmitter) example of using nRF24L01 with STM32F407VET6.

Dependencies:   mbed RF24

Master (transmitter) example of using nRF24L01 with STM32F407VET6 black boards.

/media/uploads/hudakz/nrf24l01_2rY1GYr.png


Connect (plug in) the nRF24L01 module to the NRF24L01 connector located on the STM32F407VET6 board as follows:

nRF24L01STM32F407VET6
Vcc+3.3V
GNDGND
MOSIPB_5 (SPI1 MOSI)
MISOPB_4 (SPI1 MISO)
SCKPB_3 (SPI1 SCK)
CSNPB_7 (CS)
CEPB_6 (CE)

main.cpp

Committer:
hudakz
Date:
2019-01-23
Revision:
0:a910b574c2d9
Child:
2:f2d55b32f539

File content as of revision 0:a910b574c2d9:

#include "mbed.h"
#include "RF24.h"

const uint64_t  SLAVE_ADDRESS = 0xF0F0F0F0F0F0F001L;    // slave's address

DigitalOut      led(PA_6);                              // LED1
RF24            radio(PB_5, PB_4, PB_3, PB_7, PB_6);    // mosi, miso, sck, csn, ce, (irq is not connected/used)
uint8_t         payload;

int main()
{
    // Initialize nRF24L01
    radio.begin();
    radio.setPALevel(RF24_PA_LOW);
    radio.setRetries(5, 15);
    radio.setPayloadSize(sizeof(payload));
    radio.setAutoAck(true);

    while (1) {
        led = !led;
        payload = led;

        // Send led's status to slave
        radio.stopListening();
        radio.openWritingPipe(SLAVE_ADDRESS);
        if (radio.write(&payload, sizeof(payload))) // send message to slave and get acknowledge
            printf("Message delivery succeeded.\r\n");
        else
            printf("Message delivery failed.\r\n");

        wait(1);
    }
}