To be able to upgrade FW through UART, a bootloader for nrf51822 is required in my project. I have tried out the example bootloader in SDK. But this example is using softdevice...
I followed the forum posts and nan-29 to get eclipse 4.3.2 to successfully connect to JLinkGDBServer via a Segger J-Link EDU on Ubuntu Linux.
I can start the GDB server...
I'm using Softedevice 6.0.0 and SDK 5.2. and Keil 4.7.
I Modified bootloader project so it compiles with both ble and hci transports. Currently I use button_0 and button_1...
I am working on the proj that needed 2 MCU and nrf51822 work as slave.
I would like to know any ref on how to firmware upgrade on board without external tool?
We're looking for a Nordic nRF51822 based low profile/small USB dongle that we can use for our iBeacon software.
It would need to come complete with casing and the ability...
Hi all,
i want to establish connection between two threads in cmsis-rtos, can i use
1) semaphore to do this?
2)message queue should be used or any other ipcs can be...
Hi,
I have two CPU in our product. (STM32F2 and Nordic nrf51422).
I use serialization function to link those two CPU(refer to ble_s110_serialization sample)
But I find...
Hello!
First of all, thank you for your support.
I'm starting to develop firmware for Nordic chips (I'm a complete newbie). I have been able to compile and download examples...
Hello everybody,
I'm trying to develop simple time synchronization system upon mesh time model, but after sending bt_mesh_time_cli_time_set, first of all my time_update_cb...
NRF52840, SDK, nrf5-sdk-17.
This could be a misunderstanding of how the dual bank update works, however I am finding that after an OTA, Bank0 contains the new fw image but...
I have an SPI sensor that benefits from having a precise clock source, and has a muxed pin that can have a clock source.
The peripheral states that this pin can handle frequencies...
Hello Nordic team,
I come to you because I face a strange issue during developing a simple feature using PWM.
For a product, I need to make an LED blink smoothly 3 times...
I have a NRF52840 Devkit and also subsequent NRF52840 boards, and I was wondering if there's any WiFi support on them now. I'm aware that it's possible to use any WiFi module...
Dear Nordic Experts, This one's a tough nut to crack:
The firmware is based on nRF5 SDK for Mesh 5.0.0 with nRF5 SDK 17.0.2 and Softdevice s132 7.3.0. It runs on a nRF52832...
Dear Nordic Experts, This one's a tough nut to crack:
The firmware is based on nRF5 SDK for Mesh 5.0.0 with nRF5 SDK 17.0.2 and Softdevice s132 7.3.0. It runs on a nRF52832...
I'm building a nrfmicro bluetooth keyboard controller which uses an ebyte E73-2G4M08S1C nrf52840. My programmer is cmsis dap link. Openocd verson is 0.11.0.
I built two...
Hi All,
I'm new to this wireless field. Is there any impact on power consumption based on RSSI level.
As I understand due bad RSSI there will be retries in communication...
I working on Asset_tracker_v2. After going hrough the code, I estimated the work flow to be as:
1. When either Passive or Active state is intialized, the Sample Timer is...
Hi there,
I am running into this error Update CTE params...failed (err -134) while running the direction_finding_connectionless_tx
The output logs are
can I get more...
Hello,
In the product specification for the npm1100 there is an optional battery monitoring circuit schematic on page 39. I'm having trouble understanding why there are...
As described in the topic, I wrote my own bootloader (located at 0x70000). When I restart from the app (located at 0x26000) and enter the bootloader, NRF_ Log doesn't work...
Hi, I am using a BL653, on which I have the following peripherals:
SPI
I2C
UART
ADC
PWM
BLE controller
Upon bootup I want mcuboot to diagnose these 6 peripherals...
