# 44 questions

Tagged
• x
19
views
1
vote
1

## Reject when whitelist empty

Is there a way to reject requests when the whitelist is empty? I support clearing out the whitelist, but after clearing out the whitelist I would still like to reject connection requests. Is there a way I can do this ... (more)

36
views
1
vote
1

## Device still visible while advertising with whitelist

I've come across the following situation:

We have a device (nrf52) which uses fast advertising with whitelist after it has established a bond with a single phone. When the device restarts it begins directed advertising to the phone in ... (more)

44
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1
vote
1

## Whitelisting the Dongle/MCP

I have an advertising device (NRF52DK+SD132_V3.1.0+SDK_12.2.0) where I whitelisted an address corresponding to my NRF51 Dongle (0xDA509C569622).

While the dongle is initiating (with help of MCP v3.10.0.14) a connection to my ... (more)

132
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5
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## Setting up whitelist in SDK V12.2.0

ble_app_template.zipI need to setup whitelist. To achieve that while calling ble_advertising_init I specified

ble_adv_whitelist_enabled = true


then, while handling BLE_ADV_EVT_WHITELIST_REQUEST I use:

uint32_t err_code;
switch ...
(more)

74
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3
1

## [ble_advertising] GAP filter policies while using whitelist

Hello,

Working on a project using the pairing and bonding security model, I would like to filter out of a central's scan all already bonded peripheral devices. Or, I could read in the BLE specification that it should be ... (more)

126
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1
vote
1

## SDK12 - sd_ble_gap_connect returns NRF_ERROR_INVALID_PARAM when using whitelist [closed]

Dear developers,

We had a working application with SDK11 SD2.0.1 that we have migrated to SDK12 SD3.0.0. With SDK11 we could successfully bond to multiple peripherals and one central at the same time using a whitelist ... (more)

71
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4
1

## Peripheral MAC change

Hello,

if we want protect our (central) device against tracking and still allow it to connect with specific Peripheral we can use whitelist with IRK (and?) mac address (is mac still mandatory on the list with IRK?). My question - what ... (more)

83
views
no
1

## sd_ble_gap_connect NRF_ERROR_INVALID_PARAM whitelist

Hi every one.

I am developing on S130 SDK 11 and I try to use whitelist connection for optimisation. I have currently a working project which scan for 1 sec for any BLE and then try to connect each one ... (more)

126
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no
1

## How to manage bonding/whitelist

Hello,

I have implemented the nRF52 as a central using softdevice S132. This central will only connect to one or more peripherals that has been paired (whitelisted). The whitelist and max bonding is limited to 8 peripherals.

My question is ... (more)

414
views
3
1

## How to use an IRK

I know that I am supposed to use an IRK for bonding with devices like iPhones, how do I actually add it to a whitelist and resolve it?

I am using SDK 10 and softdevice s130.

139
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1
vote
1

## Invalid whitelist created by peer manager in SDK11

Hi

I've implemented a peripheral with bonding support by the peer manager. Additionally the device should scan for bonded devices by using a whitelist. I used the function pm_whitelist_create to create the whitelist. The function succeeds but the scan ... (more)

121
views
no
1

## ble central with whitelist cannot connect to peripheral unless selective disabled first

my central application is scanning for, and connecting to, only a single pre assigned peripheral device/address.

This central device is used in a high RF/BLE peripheral advertising environment.

I add the target peripheral address to the whitelist in ... (more)

63
views
2
1

## Two masters try to connect in the same time

What happens if two masters scan the same channel and try to connect with the peripheral at the same time. And second question - what if one of that masters will be on the whitelist? If peripheral rejects the connection request ... (more)

111
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no
no

## How to use whitelist only for scan requests?

According to this advertising blog: "The advertiser can use a whitelist to limit the interaction to a number of scanner/central device. The whitelist contains an array of the peer device addresses or IRK numbers (when central use resolvable random ... (more)

156
views
no
1

## Can device or ID address with all zero be added to whitelist?

Hi,

Can we add device address with all fields set to zero's to whitelist.

I went through the spec, but it doesn't talk about the address set to zeros.

Thanks, rangineni

262
views
2
2

## Connecting to only one central. How to? detailed [closed]

Hi, i know this question has been ask before but, i was reading and readind and i could find a way to do it. I got the theory but when i'm going to implement it in my code i ... (more)

633
views
1
vote
1

## Whitelist & Random Resolvable Address

Does the Bluetooth Peer Address of NRF51 Chips change randomly [every 15mins] or does it remain same?

When implementing whitelisting for secured connection, it is required that this must remain same othewise the whitelisting concept is defeated.

358
views
1
vote
1

## sd_ble_gap_connect modifying the whitelist

Using S130, Central device, Manual whitelist, custom hardware.

Manual connection to 1 or 2 peripherals depending on a switch position.

This device is a central that makes a connection, sends a message and then immediately disconnects. I'm passing a ... (more)

62
views
no
no

## Whitelisting a device based on RSSI

Hello!

I would like to whitelist a peripheral when -60 dBm RSSI is achieved (this means that central will bond to peripheral by proximity) but later data exchange must occur independent of the RSSI.

-> Just and example: Peripheral is far ... (more)

361
views
no
no

## how can I implement whitelist sdk 10

im trying to get my nrf51822 connecting only to my phone, I set the phone mac address on white list, but I cant connect to my phone (android) wiht nrf master control. How can I set only the phone with ... (more)

187
views
2
1

## When is the correct time to create a whitelist?

The examples of whitelisting that I am looking at (ble_app_proximity, ble_app_hrs_c) both create their whitelists just before a scan. I am wondering if this is actually the correct use of a whitelist or it it is just a shortcut used ... (more)

428
views
2
1

Looking at the documentation here (for SDK 11, s130)...

http://infocenter.nordicsemi.com/inde...

I see two conflicting statements

These APIs require that the peer is connected before the procedures can be requested.

Then later with respect to the whitelist ... (more)

347
views
no
1

## How to add multiple devices to whitelist

How do I add multiple devices to a whitelist (as the central, adding peripherals), then use the white list for multiple connections? I have read both

https://devzone.nordicsemi.com/questi...

and

https://devzone.nordicsemi.com/questi...

but I don ... (more)

133
views
2
1

## Why is the whitelist set to NULL?

I am looking at the ble_app_hrs_c example (with the s130 soft device on pca10028 dev board). I have set the m_scan_mode to BLE_WHITELIST_SCAN to enable whitelisting. In the "on_ble_eve" function just before it connects, it sets the "p_whitelist" variable to ... (more)

532
views
1
vote
1

## Erase whitelist data in sdk9.0

Hello,

I am working on S110 v8.0 softdevice and SDK9.0 and need to implement whitelist in our application. I am referring to the ble_app_hids_keyboard example project.

But how to erase the whitelist data? I couldn't find document ... (more)

784
views
3
2

## Reading IRK and gap_evt.params.connected.irk_match issue

Hello all, I have implemented own bond manager with saving context to flash on nRF51422 SD110. The problem is in getting IRK and creating a whitelist with it after disconnection. As far as I understand,

at BLE_GAP_EVT_CONNECTED I get &ble_evt- ... (more)

2k
views
1
vote
1

## Simple whitelisting How-To

I am really puzzled by this and although I've read all the relevant answers in the Q/A I'm still unable to do the following:

• do non-selective scanning with central device
• accept the first peripheral device (which has ...
(more)

110
views
1
vote
no

## Whitelist problem - what am I missing?

Hello!

I'm trying to get my whitelist work, but I think I'm missing something. Let me present you my problem:

1. Power up both central and peripheral1
2. Central enters in non-selective scan
3. Central connects to peripheral1 but whitelist is ...
(more)

611
views
1
vote
1

## Who does whitelisting - master or peripheral?

Question:

I am confused about who can do (or rather who usually does) whitelisting - the master or the peripheral device?

My findings so far:

I can't find a certain answer, but a lot of answers and the documentation itself ...

(more)

56
views
no
1

I am developing a HID keyboard with SDK v6.1, SD v7.3, IC revision 2.

The keyboard is already able to advertise (non-whitelist) and bond with iPhone, and connect/reconnect to iOS 9.1 (by whitelist and IRK match ... (more)

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