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Last activity 2017-10-12 20:07:19 +0200 by Nguyen Hoan Hoang flag of Canada

Issue running TWI/SPI on nRF52832, works with Kiel but not GCC

Hi,

Just curious to know if anyone else had this issue and how they solved it.

My colleagues and I are working on code based on the Nordic Uart Service, in SDK13.1.0 with SD132v4.0.2 on an ... (more)

177
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no
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no
answers
Last activity 2017-08-19 18:26:41 +0200 by yiancar

HID get report from a mac not as expected

Hello again, This time I am trying to read HID reports using bluetooth to get the state of the caps lock. I know this should be super simple and its explained in the hid keyboard peripheral example using ble_hids_outp_rep_get. I ... (more)

96
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no
votes
1
answer
Last activity 2017-07-22 07:01:18 +0200 by RK flag of Singapore

connection request to a known address

Hi guys, I want to ask if it is possible for a nrf51822 to connect to a Central ( my cell phone) without advertising. Let assume that my cell phone has nrf51822's MAC address from the first connection and it ... (more)

457
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no
votes
3
answers
Last activity 2017-06-27 20:54:36 +0200 by John DeWitt flag of United States

Does bootloader use Customer UICR registers?

I want to use the UICR customer registers to store MAC/serialization information for my devices. It looks like the UICR customer section would be great, and the product spec says they are reserved for user application, but @jldewitt mentioned ... (more)

383
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4
votes
2
answers
Last activity 2017-04-27 22:35:56 +0200 by Dennis German

BLE Driver Linux on Mac OS X?

Any possibility of porting the BLE GATT/GAP Driver to OS X? I'd love to run testing there using phyton...

48
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no
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answers
Last activity 2017-03-29 17:42:04 +0100 by neosarchizo

I can flash in nRF51822-EK but it's not working [closed]

I use mac os x sierra on MacBook pro 2016. And I followed this link.

I took following things in order.

  1. I moved gcc-arm-none-eabi-5_4-2016q3 to /usr/local/gcc-arm-none-eabi-5_4-2016q3

  2. I moved nRF51_SDK_10.0.0_dc26b5e to ~/Library/Nordic/nRF51_SDK_10.0.0_dc26b5e

  3. I ...

(more)

235
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3
votes
1
answer
Last activity 2017-03-23 09:30:49 +0100 by Sigurd flag of Norway

Do we need to buy MAC addresses for BLE beacons?

Hello.

We are building our project based on nRF52 chip and BLE beacon firmware. Do you know if we need to buy some MAC address range from "provider" or we can code some randomize address in this case? I´m ... (more)

94
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1
vote
1
answer
Last activity 2017-03-20 11:09:37 +0100 by endnode

How can I found out my NRF51's device Address? (with Softdevice using Random static address?)

How can I found out my NRF51's device Address? (with Softdevice using Random static address?)

Does Softdevice has any API for fetching my device's BLE Address?

As I Know, default Softdevice address has Random static address, and It ... (more)

954
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no
votes
1
answer
Last activity 2017-03-15 13:34:44 +0200 by Terje Schjelderup flag of Norway

How to get Bluetooth mac address of connected device?

I have tried extracting Bluetooth address of connected device by using "ble_gap_addr_t" , by this i am able to get some address but that address is being changed after re-connection,why is it? I am using nRF51 DK.

340
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4
votes
1
answer
Last activity 2017-01-13 15:45:51 +0100 by Petter Myhre flag of Norway

MAC address randomly set to 00:00:00:00:00:00

Hello,

I do migration from SDK11 to SDK12 (S132-SD-v2.0.1 to S132-SD-v3.1.0) and my device (nRF52-DK) randomly got a MAC of 00:00:00:00:00:00.

Helped by the migration document, I configure random private non ... (more)

179
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no
votes
1
answer
Last activity 2017-01-12 11:02:44 +0200 by run_ar

nRF51822 Identification based on device address

Hi Nordic Team,

Please I would like to ask how can I globally identify my device (nRF51822) based on its address?

Assuming that:

1) The address type of nRF51 is by default of the type "private random static", meaning that ... (more)

1k
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no
votes
1
answer
Last activity 2016-12-14 08:43:14 +0200 by Bjørn Spockeli flag of Norway

Where to find the latest J-Link firmware OB-SAM3U128-V2-NordicSemi

I have erased my J-Link firmware in error! after having installed the version supporting V6.12a, however that upgrade wasn't achieved via the drag and drop process.

Where can I find the .bin file to use for a Drag ... (more)

162
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4
votes
1
answer
Last activity 2016-12-13 12:16:47 +0100 by Petter Myhre flag of Norway

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)

258
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no
votes
3
answers
Last activity 2016-12-07 15:00:35 +0100 by ricsilvs

"LEDS_NUMBER" couldn't be solved in Eclipse on SDK12 [closed]

I used to develop based on sdk11 in Eclipse, EVERYTHING works fine. But now I am trying the sdk 12.2.0, in the blinky example, "LEDS_NUMBER" couldn't be solved, but the project can be successfully built. image description

"LEDS_NUMBER" is ... (more)

54
views
no
votes
1
answer
Last activity 2016-10-07 14:59:47 +0100 by Sigurd flag of Norway

Can the nRF51822 beacon be connected to a Mac ?

I am working with a MacBook Pro (El capitan) and the nRF51822 beacon and I need to measure the RSSI. I understand that the app nRF connect can do it, but the antenna on my phone is unreliable. So, I ... (more)

731
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no
votes
1
answer
Last activity 2016-08-10 13:14:00 +0200 by Bjørn Spockeli flag of Norway

nRF52 NFC: Connecting Bluetooth without pairing?

Hi, I want to connect to a simple Bluetooth device with the help of NFC, no pairing shall be performed. In short, I just want to get the MAC address of the Bluetooth device and automatically initiate a connection to ... (more)

504
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no
votes
1
answer
Last activity 2016-08-02 10:40:13 +0100 by RichieJH flag of United Kingdom

nRF Connect not working on OSX v10.11.1 iMac

Hi Team,

So I downloaded the new nRF Connect for OSX. I inserted my PCA10031 nRF51 dongle into my USB port and the relevant lights lit up. However nRF Connect does not let me choose the serial port, so I ... (more)

257
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no
votes
1
answer
Last activity 2016-07-06 18:02:57 +0100 by uly

First use of JlinkExe and JlinkRTTClient on mac, JlinkRTTClient shows nothing.

Hi there,

I am following the thread to use JlinkExe and JlinkRTTClient. I encountered a situation which i don't understand.

After running JlinkExe (go to the folder where executable file 'RTT_Printf.elf' locates, type JLinkExe -device NRF52 -speed 4000 ... (more)

87
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1
vote
1
answer
Last activity 2016-05-31 11:22:31 +0100 by Mahesh Venkitachalam flag of India

how many max input voltage on 51822 ADC pins

how many max input voltage on 51822 ADC pins

63
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1
vote
no
answers
Last activity 2016-05-11 08:44:38 +0100 by Jimmie Johansson

Mac Pro random connects

We are seeing random connections on our peripheral devices and we have tracked them to a Mac Pro. The computer has never been paired with any BLE devices so we have no idea why it is constantly scanning and connecting ... (more)

1k
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1
vote
2
answers
Last activity 2016-05-10 10:12:47 +0200 by Christopher

How to obtain the full MAC address in nrfjprog

用dos命令执行命令: nrfjprog --memrd 0x100000a4 --n 8 得到结果:0x100000A4: E40908DD 4466D3DD |......fD|

而正确的MAC地址应该是:D3DDE40908DD

问题来了:要如何修改这个命令能一次性只得到“D3DDE40908DD”

Google translated

With dos command Run : nrfjprog --memrd 0x100000a4 --n 8
get results : 0x100000A4: E40908DD 4466D3DD | ...... fD |

The correct MAC address should be : D3DDE40908DD ... (more)

4k
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1
vote
1
answer
Last activity 2016-05-10 09:30:24 +0100 by Martin Børs-Lind flag of Norway

有没有什么抓包工具能够方便复制MAC地址的?

由于程序需求,需要烧写完设备捕捉设备广播的mac地址做服务器的MAC授权用,每次用手机或ti的SmartRF Packet Sniffer抓包,由于MAC地址无法复制粘贴,只能将看到的mac地址抄写到记事本待处理,有没有什么抓包工具能够方便复制MAC地址的?那样就能避免抄错MAC地址了,求分享

EDIT: Google translate:

There is no capture tool to easily copy the MAC address?

Because the program needs, you need to burn finished device to capture broadcasts do mac address ...

(more)

912
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3
votes
3
answers
Last activity 2016-05-05 03:42:09 +0200 by RK flag of Singapore

Changing the MAC address on nRF51822

Hi, i used this script to change my MAC adress but i checked with MCP , the MAC @ is the same. More then that, the error code returned is really not logic in fact i got error=0x00003202 which dosen't ... (more)

357
views
1
vote
1
answer
Last activity 2016-03-31 19:45:26 +0200 by DJM flag of United Kingdom

Can't figure out why program is not running

So I made my own version of blinky using version 11 of the SDK with the S130 SoftDevice. This works fine and I can flash it to my dev kit (nRF51 PCA10028) with no issues. Here is the project on ... (more)

1k
views
1
vote
2
answers
Last activity 2016-02-12 16:18:39 +0100 by Vidar Berg

Why does Nordic increase the BLE MAC address by one, in DFU bootloader [closed]

Hello,

I have seen, that the BLE MAC is increased by one, in dfu_transport_update_start() (dfu_transport_ble.c). Can someone give me a short explanation, why this is done? The comment says: "Increase the BLE address by one when advertising openly." Isn ... (more)

1k
views
1
vote
1
answer
Last activity 2016-02-09 21:10:45 +0200 by seanbites

nrfjprog on a Mac computer [closed]

Hello,

I have recently had to install the nrf tools on a mac computer. The tools have been recently ported to macs, but unfortunately I am getting the following message when I try to use the tools:

ERROR: JLinkARM DLL ... (more)

562
views
2
votes
2
answers
Last activity 2016-01-19 01:59:21 +0200 by RK flag of Singapore

JLinkExe hangs in Makefile but not in terminal on Mac OS

Here are the commands I use to upload a program to the device:

JLinkExe  -device nrf51422_xxac -if swd -speed 4000 
loadbin filename.bin 0x18000 
r 
exit

It works like a charm when entered from terminal, but when added to the ... (more)

486
views
1
vote
no
answers
Last activity 2016-01-04 22:15:54 +0200 by Soma

iOT - Building Kernel with 6LoWPAN on MAC OS X

I went through the documentation of nRF51-iOT-SDK v0.8.0 step by step. But I could not cross-compile and build the kernel with 6LoWPAN on MAC OSX. I do not have a Windows or Linux environment or Raspberry Pi module ... (more)

3k
views
4
votes
1
answer
Last activity 2015-12-16 15:54:37 +0200 by Michael Dietz flag of United States

How to flash with JLink command line

I have set up the gcc toolchain on Mac OSX to compile my BLE nRF51822 code and I tried to flash the code. Here are the 3 scenarios that I have tried (JlinkExe on Mac)

Case 1 : code compiled with ... (more)

626
views
2
votes
no
answers
Last activity 2015-10-06 23:19:49 +0100 by DreamTimerZ

Step-by-step setup of nrf52 DK on Mac

Is there a step-by-step setup for the nrf52 developer kit for Mac (OS X)? For example, when I connect my DK board, it does NOT appear as a USB drive which is the very first step of bringing up the board.

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