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...
Hi
I am using nrf52840 in my custom board. I have a gpio button which is assigned for as a factory reset button. So when i press the button the whole board needs toi be...
Hello,
we are looking to develop multiple BLE audio source which sends the mic data to the receiver and the receiver receive the audio data from multiple transmitters...
In my design, I aimed to isolate the USB interface. To achieve this, I used the Analog Devices USB isolation chip, ADUM3160BRWZ, to isolate the connection between the PC and...
When I need to switch between 1M and 2M
I create an object of the type bt_conn_le_phy_param and fill in the parameters appropriate to the radio mode I want, and then I call...
Hello,
I would like to know if the nRF9151 is suitable for building a product that will be able to monitor (read) multiple pulse signals originating in utility meters (electric...
We are using nRf5340 and nRf7002. In our application , we are connecting wifi and goes to ksleep for few minutes.
After wake up from the sleep. wifi is not reconnecting...
Hello all,
I ported an old nrf5 application from SDK 12.3 to SDK 17.1. It uses S112 7.3.0 and FreeRTOS. Unfortunately I am getting time variant softdevice hard faults at...
While testing nRF FOTA download library we noticed that it supports only one image update at a time (download image, then reboot).
Irrespective of the image (either application...
Hello, I just upgraded from SDK v2.5.0 to v2.7.0 and now I have a problem updating the bootloader.
In my project I have b0, the mcuboot (in s0 and s1) and the application...
Hello, I followed Getting started guide for the nRF54L15 PDK ( Getting started with the nRF54L15 PDK (nordicsemi.com) ) and bumped into a problem when i try to build "hello...
I am using the following example as a reference for setting the TX power in a peripheral Bluetooth connection: https://github.com/nrfconnect/sdk-zephyr/tree/v3.6.99-ncs2/samples...
Hi, we are doing testing with a Nordic dev kit and looking for ways to check the status of GNSS.
We are becoming familiar with the XGPS command and notifications: docs.nordicsemi...
How can I return from k_sleep (or any other "sleep" method) when an interrupt occurs?
I would like my device to sleep (low power) until a GPIO pin toggles, then wakeup to...
Using nrf5340 DK with v2.7.0 SDK + toolchain. Blinky app works fine. Tried the sample apps:
- peripheral_hr
- peripheral_ht
Which both reproduced the exact same error...
