SDK v15.2.0 :: Enhanced ShockBurst :: Head's up on a bug in nrf_esb.c

[Mahendra Tailor]

Hi

This is just a head's up.

In function nrf_esb_pop_tx(void) you have the following code ...

 

    if (--m_tx_fifo.entry_point >= NRF_ESB_TX_FIFO_SIZE)
    {
        m_tx_fifo.entry_point = 0;
    }

Instead it should be the following...

    if (m_tx_fifo.entry_point == 0)
    {
        m_tx_fifo.entry_point = (NRF_ESB_TX_FIFO_SIZE-1);
    }
    else
    {
        m_tx_fifo.entry_point--;
    }

Otherwise the bug is such that the packet that was 'deleted' is still sent and after that it all goes out of sequence


Kind regards
Mahendra

[Kenneth]

Hello Mahendra,

I have reported it internally (NRFFOETT-2166).

Thanks!
Kenneth