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NRF UARTE zephyr driver may mismatch PM device get/put leading to inflated PM usage count for device 0

With PM device runtime enabled ( CONFIG_PM_DEVICE_RUNTIME =y ), calling uart_irq_tx_disable (actual driver function uarte_nrfx_irq_tx_disable) may result in increase the PM...
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0 replies

Started 15 minutes ago
by Nathan Boyd
Not Answered
nRF54LM20A: VBUS current of the USBHS PHY, and VBUSOUT of the nPM1300 as its source? 0

We feed the nRF54LM20A’s VBUS pin (the USB high-speed PHY) from the nPM1300’s VBUSOUT, so that the PMIC’s input protection guards the module and the processor sees VBUS only...
19 views

0 replies

Started 4 hours ago
by Project NIC
Not Answered
nRF52 DK On-Board Debugger (nRF5340) Not Detected 0

Hello, I am experiencing an issue with my nRF52 DK. The target nRF52832 appears to be working, but the on-board debugger is not functioning. Symptoms: No power/debug...
25 views

0 replies

Started 6 hours ago
by GokulPrasanth
Not Answered
Request DECT NR+ MAC/PHY firmware for two nRF9151 DKs and unable to run 'dect' command on Modem Shell of nRF9151 kit 0

I have two nRF9151 DKs and want to evaluate direct, SIM-free DECT NR+ communication using FT and PT roles. Please help me with: - DECT NR+ MAC/PHY modem firmware, rather...
21 views

0 replies

Started 6 hours ago
by Manju0
Not Answered
nRF21540 DK Scanning RSSI Does Not Go Below -80 dBm with FEM (LNA) Enabled 0

Hardware: nRF21540 DK SDK Version: NCS 3.4.0 Problem Description: Modified the observer sample to scan for a specific device, using nRF21540 DK as the scanner with FEM...
86 views

0 replies

Started 3 days ago
by Bobing

Recent in the DevZone Blog

A presentation on how nRF51 DFU works

Hung Bui

Hi, I attached here some slides that we used in our technical seminar for Device Firmware Update. Download the presentation here: DFU_SDKv8.0_Pub.pdf The presentation covers: What DFU is and what…
- 4 Jun 2015
Parse MQTT message in Wireshark for IoT test

Jun Qing ZOU

Wireshark (version 1.12.5 at the time of writting) lists MQTT as supported protocol but could not parse it from the TCP payload by default. We can add some plugins to enable it. Download the Wireshark…
- 26 May 2015
Upgrade RADVD for IoT on Raspberry Pi 2

Jun Qing ZOU

The RADVD deamon in Raspberry pool is version 1.8.5 (up to Raspberry 2015-02-16). root@raspberrypi:~/radvd# apt-cache policy radvd radvd: Installed: 1:1.8.5-1 Candidate: 1:1.8.5-1 Version table…
- 25 May 2015
Workaround needed for TWI driver (nrf_drv_twi) in SDK v8.1 (TWI_COUNT missing)

Hung Bui

In SDK v8.1 we added the TWI driver (nrf_drv_twi.c). Unfortunately the nrf_drv_config.h file wasn't updated correctly with the new driver. The symptom is the error with "TWI_COUNT is missing". Here…
- 20 May 2015
Common FAQs on DFU

Hung Bui

If you are looking for a place to get started with DFU, please have a look at this presentation here and the tutorial here. In this post, we cover some in depth Q&A topics regarding Device Firmware…
- 15 May 2015
Programming the nRF51822 Beacon Kit with the nRF51DK

Stefan Birnir Sverrisson

One way to program the nRF51822 Bluetooth Smart Beacon Kit is to use the nRF51 DK. This gives you a full scale development platform (the nRF51 DK). This blog will go thru the steps needed to program…
- 7 May 2015