Nordic DevZone

Recent and unreplied - Help your fellow developer and earn points!

Not Answered
spi_nor not able to communicate with external flash / jedec id always returning 00 00 00 during boot up. 0

The firmware always halts execution during boot after providing these logs: 26/05/22 10:38:33.925 89737.861 13892 0 E: Device id 00 00 00 does not match config 1f 16 01...
16 views

0 replies

Started 1 hour ago
by Bello
Not Answered
Query on Disabling/Configuring Signature Verification in nRF54L15 0

Hi Team, Whether there is any configuration or option available to disable/eliminate signature verification during the boot process. If disabling is not recommended...
15 views

0 replies

Started 2 hours ago
by H538063
Not Answered
Inquiry about HID keyboard demo with nRF52840 Dongle as central and nRF52833 as peripheral (NCS v3.3.0) 0

Hi, I am using NCS v3.3.0 and would like to implement the following setup: Central: nRF52840 Dongle (connected to PC via USB) Peripheral: nRF52833 acting as...
11 views

0 replies

Started 3 hours ago
by Mark
Not Answered
AT%ENVEVAL In PSM 0

The at command documentation says that ENVEVAL is only available in system mode 2 (CFUN=2). Is there a reason why the command can't be run in any other mode? For example if...
35 views

0 replies

Started 23 hours ago
by thomasGronroos
Not Answered
TWIM I2C soft reset function? 0

Hi The TWI driver has a twi_clear_bus() function but the TWIM does not. I'm getting an I2C error, and need to do I2C soft reset. I'm doing this manually at moment but...
58 views

0 replies

Started 3 days ago
by Liam

Recent in the DevZone Blog

Nordic Semiconductor nRF51822 Firmware for Background Data Recording

scytulip

#Nordic Semiconductor nRF51822 Firmware for Background Data Recording Updating on https://github.com/scytulip/nrf51-back-rec Design Objective This firmware is designed for low-cost long-time low-power…
- 23 Oct 2014
Nordic nRF51822 ARM Cortex-M0 Development using emIDE

Hugh

Nordic nRF51822 ARM Cortex-M0 Development using emIDE To avoid the hefty charges with commercial compilers I tried emIDE with some success; here are the settings I used for the EV Kit Official emIDE…
- 22 Oct 2014
Beacon Kit - Mistake in Ref_Design_UG_v1.0

Salman

I connected the programming header as described in "nRF6930_Beacon_Ref_Design_UG_v1.0.pdf" 5.5.4 Programming interface. I was trying to program Beacon Kit but failed many times then I compared it with…
- 10 Oct 2014
SD card interfacing

Salman

Hi, I have written SD & SDHC card routine for reading, writing and erasing data from SD card. It used the hardware SPI of nRF51822. NOTE: 1)Define the PINs of SD card first before initialing. 2)Define…
- 10 Oct 2014
How different BLE packet types influence throughput

Stefan Birnir Sverrisson

There are several types of write operations, write request with authorization, write request without authorization and write command. You can see message sequence charts for those messages here and he…
- 9 Oct 2014
Measuring Lithium battery voltage with nRF51

Stefan Birnir Sverrisson

Here is an example of a hardware setup to measure the voltage on a Lithium battery with a voltage divider and a connected capacitor. The Lithium battery typically has a voltage range of 2.7 - 4.2 V and…
- 2 Oct 2014