RF_esb ACK Questions.

[powerup]

I am nRF52832 , S132 , SDK15.0.0 // nRF52840, SDK15.0.0 is used.

Examples of esb_prx, esb_ptx are modified and used.

Transmitter : nRF52832

Receive : nRF52840_DK

Senders successfully send data, but no NRF_ESB_EVENT_TX_SUCESS events occur.

void nrf_esb_event_handler(nrf_esb_evt_t const * p_event){
    switch (p_event->evt_id)
    {
        case NRF_ESB_EVENT_TX_SUCCESS: // TX SUCCESS EVENT
            TxSuccess_flag = 1;
            break;
        case NRF_ESB_EVENT_TX_FAILED: // TX FAILED EVENT
            TxFail_flag = 1;
            (void) nrf_esb_flush_tx();
            (void) nrf_esb_start_tx();
            break;
    }
}

1. Send data from the transmitter.
2. I received the data from the reception desk. (Check data received)
3. Check the flange.
4. TxSuccess_flag = 0, TxFail_flag = 1

The data was sent successfully, but no event occurred.

 

ESB setting

nrf_esb_config_t nrf_esb_config         = NRF_ESB_DEFAULT_CONFIG;
nrf_esb_config.protocol                 = NRF_ESB_PROTOCOL_ESB_DPL;
nrf_esb_config.retransmit_delay         = 500;
nrf_esb_config.bitrate                  = NRF_ESB_BITRATE_1MBPS;
nrf_esb_config.event_handler            = nrf_esb_event_handler;
nrf_esb_config.mode                     = NRF_ESB_MODE_PTX;
nrf_esb_config.selective_auto_ack       = false;
nrf_esb_config.tx_output_power          = NRF_ESB_TX_POWER_4DBM;

I don't know what's wrong.

[powerup]

Could the problem be caused by a weak receiver sending an ACK?
I am using nRF52840DK as a receiver.

[ovrebekk]

Hi Kim

I can't think of any good reason why you should never receive any ACK's on the PTX side, if the ESB configuration is similar in the PTX and PRX. 

Are you able to zip and share your PTX and PRX projects? 

Then I can run them on my end and try to reproduce the problem. 

Best regards
Torbjørn