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43
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1
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Last activity 2017-10-13 15:06:01 +0200 by emdi

FDS GC seems not to work

Using SDK 13 FDS, I store 6468 byte, that is 1617 words, including FDS header. Of course this size is total. In detail in byte size, this size consists of

(12(header)+ 576) * 7
(12 + 774) * 1
(12 + 691) * 2 ...
(more)

24
views
1
vote
1
answer
Last activity 2017-10-13 12:58:00 +0200 by Sigurd flag of Norway

Flash protection nrf52840 SDK: 14.0.0

I am trying to implement a bootloader with rewrite protection on nrf52840 with SDK: 14.0.0. But it seems that there is no flash write protection registers in nrf52840. So is there a way to implement a flash rewrite protection?

Thanks.

42
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no
votes
no
answers
Last activity 2017-10-11 12:30:36 +0200 by arjun

SPI External Flash Interface

Hi,

I am trying to interface external flash with the nrf52. I am able to read the device id. After writing to the status - configuration - bank address registers, I am able to read the register values.

But when I am ... (more)

990
views
5
votes
5
answers
Last activity 2017-10-10 19:11:20 +0200 by NewAce

Is it safe to use USB dp/dm pins for SWD interface?

We are building a new version of a small device with the new nRF52832. Its only external connection is a micro USB plug that we use for charging - we do not need it as USB data interface. But would like ... (more)

60
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no
votes
no
answers
Last activity 2017-10-09 10:20:58 +0200 by gorazd

unintended flash erase

Hi,

we have a nrf51 mounted inside an AC motor housing which we assume is causing an unintended flash erase from time to time (checked with nrfjprog --readcode).

Is this a valid assumption? Are there any solutions for this problem ... (more)

55
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no
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no
answers
Last activity 2017-10-06 01:39:48 +0200 by Marco

Checking nRF52832 SoC for hardware faults (cannot be flashed) [closed]

Dear support,

I am working on some custom boards embedding the nRF52832-CIAA chip using SDK-v11.0 and s132-v2.0.1.

I have got 9 custom units and out of them only 1 cannot be flashed.

Even trying to restart it ... (more)

22
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no
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no
answers
Last activity 2017-10-02 11:16:33 +0200 by Sigurd flag of Norway

NRF51 Custom Board - Keil Works but Makefile Does Not

Hello,

I have an NRF51822 custom board. I am trying to flash the code under

C:\Users\Home\Desktop\nrf51\nRF5_SDK_12.3.0_d7731ad\examples\ble_peripheral\ble_app_uart\pca10028\s130

I am trying to flash it with KEIL and it works. I ... (more)

56
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no
votes
1
answer
Last activity 2017-09-22 11:28:10 +0200 by Bjørn Spockeli flag of Norway

bootloader_secure_ble with NRF_LOG RTT

I am trying to debug a custom version of the bootloader_secure_ble example but am running into FLASH space issues. The bootloader app does not fit into FLASH with -Og optimization OR with NRF_LOG activated. I am using SDK14 and S132 ... (more)

52
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no
votes
2
answers
Last activity 2017-09-13 16:57:34 +0200 by Hamza

Error: app.hex in softdevice region

Hello everyone,

I'm currently migrating from a functional code IAR to Eclipse GCC.

It compiles fine and I got the hex files.

However I have some troube to flash the application in the module. Indeed, when I'm using ... (more)

51
views
1
vote
2
answers
Last activity 2017-09-13 03:28:27 +0200 by bindassdost

nrf51822 sdk12 hangs after flash write

i am in very strange problem and was unable to debug it i am using following code to write 16 bytes data to flash memory, my app hangs after executing custom_flash_write function. function works as expected ( flash is erased , data ... (more)

60
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no
votes
1
answer
Last activity 2017-09-12 05:33:17 +0200 by MainOFF

[NRF52840] Flash Read/Write With Softdevice.

Hello everyone! Do have any different between Read/Write internal flash with softdevice and non softdevice!

And how can I get example Read/Write internal flash with softdevice. I want to save some infomation to internal flash of nrf52840 MCU.

84
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no
votes
3
answers
Last activity 2017-09-11 09:27:42 +0200 by Martin Børs-Lind flag of Norway

ERROR when programming my custom pcb with NRF51288 DK PCA10028

Hello everyone, I've been trying to solve this problem for several days.

Hello everyone, I've been trying to solve this problem for several days. I have developed a custom-built PCB based on the NRF51288 chip but I can ... (more)

21
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no
votes
no
answers
Last activity 2017-08-29 16:11:53 +0200 by Jonathan

Knowing NVMC operation is finished inside BLE event

(nRF51822, but also concerned with nRF52832, SD130, SDK 12.1)

I'm trying to write/erase flash from a bluetooth event handler. As it's been outlined in other questions, while being in the event handler, other events aren't ... (more)

69
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no
votes
no
answers
Last activity 2017-08-27 00:50:26 +0200 by wade smith

nRF52 starting from scratch [closed]

I have built a custom board that is identical in schematic to the nRF52 DK board, with some additional circuitry connected as a SPI interface to the nRF chip. The MCU is the same Atmel SAM3U chip. That chip has ... (more)

96
views
no
votes
1
answer
Last activity 2017-08-24 08:57:17 +0200 by endnode

Is it possible to change the flash page size of nrf52

Hi, I want to eraze the flash page of nrf52832. Since the default flash page size is 4096 bytes, it takes 90ms to eraze the page. I want to shorten the time for erazing by changing the flash paze size ... (more)

40
views
no
votes
1
answer
Last activity 2017-08-21 13:45:22 +0200 by jakub

CLI command with parameter

Hello,

I would like to have something like this:

ROOT_COMMAND SubCommand CustomParameter

Example:

DeviceName Set ExampleDeviceName

Where CustomParameter can be a string or hex value, that I would like to get and store in non volatile memory using Flash Data ... (more)

94
views
no
votes
1
answer
Last activity 2017-08-17 14:24:14 +0200 by Nick Bentzen

SPI MOSI default high? NRF SDK 12.2.0

I am attempting to interface a Winbond flash device with the NRF52. The datasheet does not specify the idle state of MOSI when reading from the device. However, I cannot make the flash chip work with the NRF52. In the ... (more)

47
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1
vote
2
answers
Last activity 2017-08-08 19:28:48 +0200 by Nguyen Hoan Hoang flag of Canada

Error while flashing nrf51422

Hello,

I want to falsh nrf51422 device. I ma developing software using Eclipse and SDK_7.2.0. The soft device is 130. I have build the project successfully and Hex/elf file is generated.

But when i tried to flash ... (more)

28
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no
votes
no
answers
Last activity 2017-08-07 13:43:22 +0200 by Andy

Counting flash writing operations in Bootloader (Bug maybe?)

Hello,

I'm working on the bootloader using SDK13.1. In the file dfu_req_handling.cthere is a variable called m_flash_operations_pendingthat gets incremented with every call to nrf_dfu_flash_store()or nrf_dfu_flash_erase().

My question is why you don't increase this ... (more)

106
views
no
votes
1
answer
Last activity 2017-08-03 10:47:27 +0200 by Lukasz Duda flag of Poland

OpenThread and Flash Operations in Upcoming SDK

Hi Nordic,

I was reading the Wiki page for porting OpenThread to a new hardware platform (https://github.com/openthread/openthr...) and I noticed there isn't a "flash.h" header file and a static library specifically for handling flash ... (more)

116
views
1
vote
1
answer
Last activity 2017-08-02 12:31:11 +0200 by Bjørn Spockeli flag of Norway

Eclipse with ST-LINK for Nordic

Hello,

Is there any guide to use the Eclipse with ST-link for flashing and debugging of Nordic chip?

waiting for your kind reply.

Regards

MAbbas

207
views
4
votes
1
answer
Last activity 2017-08-02 11:24:28 +0200 by endnode

Cybersecurity features for NRF52 chips

Good day!

I'm interesting in ability to support of some required Cybersecurity features by NRF52832 or/and NRF52840:

1) Is it possible to fully disable JTAG and/or SWD? 2) Is it possible to implement Flash protection (from rewriting ... (more)

127
views
1
vote
1
answer
Last activity 2017-07-28 13:50:40 +0200 by emdi

Secure DFU, Should you use fstorage or nrf_dfu_flash

Within a buttonless DFU application should nrf_dfu_flash or fstorage be used to erase and write to flash?

SDK 13.0.0 - Soft device s132_nrf52_4.0.2_softdevice running on a nRF52832.

I want to store device specific information (like Serial Number ... (more)

237
views
no
votes
1
answer
Last activity 2017-07-26 14:44:21 +0200 by Kristin flag of Norway

want to write and read data to/from Flash?

I want to add some configuration files to nrf52, so can I write data in flash and read when I want.......I have the example code of twi master_twi slave but it engages the pin so I need a separate ... (more)

54
views
1
vote
no
answers
Last activity 2017-07-20 13:28:35 +0200 by Andy

Best way to update a 32-bit word in flash - SDK13.1

Hi,

I want to store the CRC of the current firmware in the flash, for DFU purposes. Almost all of the threads I've seen so far reference the pstorage API but it's no longer supported since SDK12. There ... (more)

82
views
1
vote
1
answer
Last activity 2017-07-15 14:31:40 +0200 by Manas

IoT DFU on Contiki using CoAP Blocktransfer

[Aim] I am working on a project where I aimed to Integrate/Develop firmware management system using Contiki running over Nordic NRF52.

[Components] Contiki running over Nordic NRF52 + LwM2M (Management server) + CoAP block transfer (Transport Medium) + IoT DFU (Nordic's ... (more)

125
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no
votes
1
answer
Last activity 2017-07-11 21:21:04 +0200 by NewAce

Store data in flash with NRF52832 and MBED and GCC

Hi,

I'm trying to use an existing NRF51822 mbed codebase on a new NRF52832 product and am having some issues.

First of all, it seems that I can't use mbedlib, but need to update to mbed-os because BLE ... (more)

58
views
2
votes
1
answer
Last activity 2017-07-10 18:46:59 +0200 by Hung Bui

Speed of reading from flash address with nRF52840

Hi everyone,

I was wondering if anyone benchmarked the time for reading a word from flash on the nRF52840. I was able to find the write/erase time on the specs document but was not able to find anything about ... (more)

66
views
1
vote
1
answer
Last activity 2017-07-04 15:24:41 +0200 by Jørgen Holmefjord flag of Norway

sd_flash_page_erase(0x40) returns NRF_ERROR_FORBIDDEN with s140 5.0.0-3.alpha

I ran into an odd issue on nRF52840 using s140 version 5.0.0-3.alpha. My application erases and writes to a region of flash.

I've found that I'm able to erase the pages before and after address ... (more)

206
views
no
votes
2
answers
Last activity 2017-07-03 16:40:16 +0200 by benjamin

NRF52832 Flash write

Hi,

For the NRF52832, I read that a number of write (per block) is limited before a forced erase of the page. Apparently, the amount of write is 181 times for a block of 512 Bytes. I would like to ... (more)

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