app beacon example error

RE: app beacon example error

Jørgen Holmefjord — Wed, 07 Mar 2018 20:49:07 GMT

Error code 18 means NRF_ERROR_CONN_COUNT. Please make sure you are setting the allowed number of connections higher than 0. You should also try debugging your application to see which function is returning the error, and check the API documentation for clues on how to solve this.

Yes, if you set active scanning, the scan request should be generated to all scannable advertisements. You can check if the received packets are scan response packets in the parameter scan_rsp in ble_gap_adv_params_t struct.

RE: app beacon example error

Step1k — Wed, 07 Mar 2018 09:21:37 GMT

I'm using SDK version 14.2.0.0 and softdevice S132 5.0.0

I added gatt initialization and connectable advertising started corectly.

static void gatt_init(void)
{
    ret_code_t err_code = nrf_ble_gatt_init(&m_gatt, NULL);
    APP_ERROR_CHECK(err_code);
}

So, obviously this initialization have to be part of the app_beacon example. am I right ?

I would have one more question related to the advertising:

1) If I set active scanning on central device, then it will always generate a scan request? I'm asking because I can not catch the SCAN REQ packet in the sniffer (using wireshark version 2.0 beta). Does it have any additional restriction which have to be kept, exept the advertising packet has to be connectable/scannable?

From debugging I know that a central device generate the event "BLE_GAP_EVT_ADV_REPORT", so central receives advertising packets but it seems to me tha SCAN REQ is not generated.

RE: app beacon example error

Jørgen Holmefjord — Tue, 06 Mar 2018 08:36:44 GMT

Which SDK and softdevice version are you using?

RE: app beacon example error

karthikeyan — Tue, 06 Mar 2018 07:10:22 GMT

hi,

#define APP_BEACON_INFO_LENGTH 0x0D

it means the beacon length will be 11 bytes. but already you have 21 bytes and company identifier is 2 bytes. so that should be

#define APP_BEACON_INFO_LENGTH 0x17

and

#define APP_ADV_DATA_LENGTH 0x0B

this should be

#define APP_ADV_DATA_LENGTH 0x15

may be this will be the problem. try to change this

regards