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Last activity 2017-12-08 14:45:37 +0200 by plippo

sd_ble_cfg_set returns NRF_ERROR_INVALID_PARAM for DEFAULT tag?

I just spent 2 hours chasing BLE bug after upgrading from s132 v3 => v4.0.2

I added a call

// Configure the maximum ATT MTU.
memset(&ble_cfg, 0x00, sizeof(ble_cfg));
ble_cfg.conn_cfg.conn_cfg_tag                 = BLE_CONN_CFG_TAG_DEFAULT;
ble_cfg.conn_cfg.params.gatt_conn_cfg.att_mtu = NRF_BLE_GATT_MAX_MTU_SIZE ...
(more)

66
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no
votes
1
answer
Last activity 2017-11-24 16:32:12 +0100 by bloobird0

IAR how to run after download?

hello,

For now, I have to power cycle my board or manually send "nrfjprog -f NRF52 --reset" to start the application firmware after download. I would like the application to start automatically just after download.

Does any of you what ... (more)

98
views
no
votes
1
answer
Last activity 2017-11-22 16:21:12 +0200 by Bjørn Spockeli flag of Norway

DFU: Bootloader not verified error

Hello, i'm trying to DFU from 13.1 to 14.1..

What i have tested is flash(SD + B) + dfu(APP) on both versions. Now i'm trying to DFU all from sdk13.1 to 14.1.

Is it ... (more)

60
views
1
vote
1
answer
Last activity 2017-10-31 14:26:31 +0100 by Jørgen Holmefjord flag of Norway

nrf_crypto_ecdsa_sign_hash() returns internal error, but signature is verified by nrf_crypto_ecdsa_verify_hash()

Hi,

I am using microecc to create a ecdsa signature and verifying with my public key. When calling nrf_crypto_ecdsa_sign_hash() to sign the hash it returns with NRF_ERROR_INTERNAL, if i ignore this error and verify the signature, hash by calling nrf_crypto_ecdsa_verify_hash ... (more)

55
views
no
votes
1
answer
Last activity 2017-10-16 15:00:35 +0100 by Hung Bui

timeslot extension never succeed

Hi,

I have a working scanner and manage to require timeslots with the below timings.

Interval 300ms, scan window 50ms, Timeslot length 10ms.

image description

But when i try to request timeslot extensions as low as 1ms it never works.

nrf_radio_signal_callback_return_param_t * ts_radio_callback ...
(more)

101
views
no
votes
1
answer
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)

52
views
no
votes
1
answer
Last activity 2017-10-11 14:50:28 +0200 by schef flag of Croatia

app_timer_cnt_get overflows after 8 minutes

I print every 500ms. Here are the last few

timers:INFO:millis 510500, cnt 16728087
timers:INFO:millis 511000, cnt 16744474
timers:INFO:millis 511501, cnt 16760868
timers:INFO:millis 0, cnt 0
.
.
.
timers:INFO:millis 1500, cnt 49152

Any idea?

73
views
1
vote
1
answer
Last activity 2017-09-21 06:16:07 +0200 by Drewster

UART Service instant overflow [closed]

I'm trying to create a program that takes a stream of UART data at 115k baud streaming in and sends it over BLE as fast as possible. So far, I've

(1)Verified/ made some tweaks to the Nordic ... (more)

82
views
2
votes
1
answer
Last activity 2017-09-13 10:14:40 +0200 by emdi

fs_erase and fs_store sequence

I'm trying to use fstorage module for event logging; several pages are used as a large circular buffer. When logging wraps from one page to another, the new page needs to be erased before the next piece of data ... (more)

207
views
no
votes
2
answers
Last activity 2017-08-17 13:38:26 +0200 by bloobird0

wakeup from any of 10 buttons

hello,

my custom hardware includes 10 buttons connected to 10 GPIOs of a nRF52832. The nRF52 is placed in low power or eventually system OFF all the time, waiting for a pin state change on any of the 10 buttons ... (more)

120
views
3
votes
1
answer
Last activity 2017-08-11 13:04:39 +0100 by Joakim Jakobsen flag of Norway

Change Pin from Input to Output in runtime?

Hi, i have nrf52 and sdk13.1. Is this possible. I get NRF_ERROR_INVALID_STATE.

113
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no
votes
no
answers
Last activity 2017-08-08 01:24:06 +0100 by SParker

Hardfault without debugger - simple toggle IO program

Hi guys,

I'm trying to start with a simple IO toggle program on the nRF52 on a Thingy52 board. I have erased the micro so there is no soft device. I'm working in Eclipse Neon 3 using ARM ... (more)

86
views
no
votes
no
answers
Last activity 2017-08-02 10:00:04 +0100 by newtom

Possible bug in the ESB implementation (nrf_esb.c) up to SDK 13.1?

Hi,

I am using ESB in one of our current projects. I have two devices: one PTX (master) and one PRX (slave). The slave may want to send some data to the master from time to time, but it can ... (more)

171
views
1
vote
1
answer
Last activity 2017-07-19 11:57:16 +0100 by luke

using sdk13.1 can't write to flash.

while using example buttonless DFU in sdk13.1, writing to flash using flash_word_write() is preventing ble connections, even though ble is advertising.

can anyone help with this please? any quick reply is much appreciated.

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