# 107 questions

Tagged
• x
89
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## Drivers from nRF5_SDK to Mesh SDK

Hello,

I would like to add the ST7735 driver from the nRF5_SDK to the Mesh SDK along with the necessary components (SPI,..). I copied the entire components directory to my Mesh SDK. But I have an issue with the cmake ... (more)

40
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1

## DFU, caching & iOS

Hi,

I know that this is a known issue, but I'm seeing caching issues often with iOS. I'm using S132 v5.0.0, SDK 14.0 against custom application with iOS DFU SDK and often I'm seeing ... (more)

22
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1

## pwr_mgmt_fpu_sleep_prepare fails with assert

Hello,

We have an application with a S132 device, SDK 14 and Softdevice v5.0.0. On some devices, an assert is being thrown in the sleep prepare function. This is the line ASSERT((fpscr & 0x07) == 0);

What could the ... (more)

15
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3
2

## PCA10036 and SDK14

Hello,

I have a PCA10036 v1.0.0 2015.24 EVK. Wonder if it will work with Softdevice SDKv14.

37
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1

## nrf_pwr_mgmt_run() required with DFU?

Hello,

I have a custom application and bootloader with DFU support. We have been able to download application updates using the DFU. Today I noticed that I am not calling nrf_pwr_mgmt_run() in the main loop. nrf_pwr_mgmt_init() is being called and ... (more)

28
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## USBD without logging

Hello. I have the problem with USB connection with NRF_LOG_ENABLED. I am using my custom board, NRF52840 QIAABB version. I have enabled CLI over RTT, softdevice. I am using SDK14. I also use patch for error [187]. With NRF_LOG_ENABLED (with ... (more)

145
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## The function "sd_ble_gap_device_name_get()" returns the part of advertising name or doesn't return the name at all.

Hi, everyone, I develop the project on N52832 chip when the chip "plays" central and peripheral roles together. During the running the program I need to check the advertising name by the function "sd_ble_gap_device_name_get()". But somtimes this function returns me ... (more)

76
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2
1

## BLE DFU (SDK 14.2) - fstorage jobs queued but never executed

Hi there

I did an upgrade of the bootloader from SDK 12.2 to SDK 14.2. I am using the nrf52832 chip. It is basically the same as the secure BLE DFU example from the SDK plus a few ... (more)

49
views
1
vote
1

## MTU size of nRF52832 as central

Hi, I'm testing nRF52832 central data rate. My SDK version is 14.0.0 and softdevice is 5.0.0. I want to send 200byte from nRF52832 peripheral to nRF52832 central in one packet. And, central device will connect ... (more)

123
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1

## Cannot output multiple deferred logs (SDK14)

I have found that deferred logs cannot be outputted if they exceed the certain size. I modified "\examples\ble_peripheral\ble_app_blinky" from SDK14. I'm using nRF52 DK with RTT.

In main function...

// Initialize.
leds_init();
timers_init();
log_init();
buttons_init();
ble_stack_init();
gap_params_init();
gatt_init ...
(more)

59
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1

## Proper method to disconnect (and connect) an NRF52 input (configured via GPIOTE)

The NRF52 product spec suggests: "The input buffer of a GPIO pin can be disconnected from the pin to enable power savings"

I've found that gpio.h provides the function: nrf_gpio_input_disconnect(pin)

However this function doesn't appear to ... (more)

52
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1

## When will the mode change?

I have learned that the "sd_power_dcdc_mode_set ()" function does the appropriate mode switch.(LDO and DCDC)

I learned from the following URL.

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

I think that the mode changes according to the voltage supplied.

How much supply ... (more)

56
views
1
vote
1

## SDK14 - Custom Service Tutorial / Example

Hi Nordic,

I am getting started writing a new application and I would like to move to the new SDK14. My app requires, between others, a custom service and a custom characteristic.

I took a look to the ble_app_template and ... (more)

88
views
1
vote
1

## Migrating to SDK14

Hi, I am trying to migrate to SDK14.2 from SDK12.

I have succesfully migrated to SDK13, but I am seeing linker issues with 14.

The linker comes with the following errors: In function nrf_sdh_ble_evts_poll': ../../SDK14.2.0/components/softdevice ... (more)

134
views
1
vote
1

## Developing for nRF51 using SDK 14? [closed]

Hi, I'm a bit confused.... so far I was under the impression that SDK 12 was the last SDK that supported nRF51 development.

But now I found the section "Using the SDK with other boards" in the SDK 14 ... (more)

102
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1

## Soft device somtimes don't want to start advertising

I have an application based on ble_app_hrs_freertos from SDK14. Sometimes the application will not start advertising. When this happens, it does not help to power-cycle device. Sometimes it helps to reset the device with nRFgo Studio, simply to let it ... (more)

104
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2
1

## nRF52 DK Beginner BLE tutorials migrated to SDK 14

Hi everyone,

Does anyone have the beginner tutorials about BLE migrated to SDK 14?

I am specially interested in those about services and characteristics:

But I am a complete beginner ... (more)

239
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2
3

## Eclipse build failed for Blinky w/ SDK 14 - Make Error 2

Hello!

I experienced the same errors as here and here when following the Eclipse gcc tutorial (7), but the solutions did not solve my problem.

I suspect this is related to my using SDK 14 instead of 13, as the ... (more)

70
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1

## SEGGER_RTT_CONFIG_DEFAULT_MODE blocking app

If SEGGER_RTT_CONFIG_DEFAULT_MODE is "BLOCK", the program won't start without RTT attached - at least for me... is there a possible solution? I mean, technically it makes sense, because the buffer is never flushed without RTT Logger attached, but as we ... (more)

56
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no

## multirole BLE_HCI_STATUS_CODE_LMP_RESPONSE_TIMEOUT errors

My setup: SDK14.0 (need to upgrade), using example multirole with 3 clients and 4 peripheral connections, along with mtu throughput added and lesc working and dual uart. (I need to add whitelisting also after I get past this problem ... (more)

68
views
1
vote
1

## graduating from example to production: project file structure?

I've used Segger Embedded Studio to compile and run a number of example projects -- nicely done!

Now I'm ready to start creating my own projects, with the ultimate goal of releasing one or more supported projects, but it ... (more)

68
views
no
2

## When is NUS ready? [closed]

I'm using SDK 14.2 (not really relevant I guess) on an nRF52832. The application requires a greeting to be sent to the remote through NUS as soon as a connection is made. The first tranfers are always lost ... (more)

64
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no
1

## Radio Timeslot API s132 v5.0.0

Hi, I need to use the radio timeslot api in my application. I'm using nrf52 ,SDK 14.0.0 and softdevice version 5.0.0 . I've gone through the tutorial for setting up timeslot api. But was not ... (more)

120
views
no
1

## Using sections in serialization project

Hi,

We use NRF52832-based BLE module running serialization (SDK 14, softdevice 5.0.0) and STM32F407 MCU running application firmware on a custom board. The project is created in Eclipse and compiled using GCC. Also there is micro SD card ... (more)

182
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2
2

## [SDK] Switching our project from SDK12.2 to SDK14.0

Hello Nordic team,

I just post a message here to take the temperature, and your respective engineering opinions about that…

It's been a few months that I work on the development of our IOT and we have therefore chosen ... (more)

151
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no
1

## fstorage page info

I am attempting to integrate examples/peripheral/flash_fstorage into my project (SDK 14.1.0).

When calling nrf_fstorage_write I get NRF_ERROR_INVALID_LENGTH in response. I assume because I am only trying to write 20 bytes not ~2K. However, for some reason ... (more)

34
views
1
vote
1

I'm using nrf52832 and building projects on it with the help of sdk 14 and sdk 11 for BLE. Now when I load my code for example the BLE HRS it loads properly with no error but on the ... (more)

39
views
2
1

I use the advertisement timeout to shut down the MCU. Is is possible to reset the advertisement timeout on the fly, e.g. if there is any activity I would like to extend the timer so it's not shut ... (more)

41
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no
1

## CRYS_ECDSA_Verify returns 0x00F00871 [SDK14]

I am trying to use the cryptocell in the bootloader (bootloader_secure_ble) for verifying dfu packages, but fails in signature verification for the same dfu package, same public key as I used with micro-ecc crypto library, where it works as it ... (more)

108
views
no
1

## unexpected SWI during softdevice startup

We are using a custom board with softdevice S132, sdk14, and freertos and ana nrf52832.

Our ble_app does:

1. init gpio put up a splash screen via a display on spi
2. initializes twi and does writes to it to turn on ...
(more)

#### Statistics

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• Resolved questions: 11535
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