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, we are in the process of development of a product with nRF9161. Originally it was designed with nRF9160 and we were successful in bringing up the prototypes. Then we moved...
Hello. When a lithium-ion battery is discharged (sim discharge) after not using it for a long time If you charge it at npm1100, the battery will not charge. When charging...
I have this function that normalizes acceleration from IMU:
If I enable FPU
CONFIG_FPU =y
CONFIG_FPU_SHARING =y
device works for a while (10s of seconds) then...
Hi team,
I have been trying to bring up a custom nRF8001 based BLE board using STM32 MCU. I have ported everything according to this blog shraken, not stirred: Nordic nrf8001...
Hi,
During the testing of nrf21540DK conduction power, a strange phenomenon was encountered: in DTM testing, when the transmission power was set to 0dB, there was a significant...
Hi,
I have problem with program nrf21540 UICR EFUSE. The first time, WR-UICR was able to successfully write, and after reset the reading of reg0 displayed correctly. But...
My setup includes 2 nRF52840 DKs, one flashed with periodic_adv_rsp and the other with periodic_sync_rsp. I copied the samples and auto-generated a build configuration for...
I cannot get Zephyr-only DFU over BLE working. Using an NRF52840DK. This is my prj.conf :
---
CONFIG_GPIO=y CONFIG_LOG=y # CONFIG_BOARD_HAS_NRF5_BOOTLOADER=n # Enable...
I am working on nrf5340dk board with 2.6.1 SDK and toolchains.
So, I took "mesh_shell" project as a starting point, then added external flash and mcuboot with simultaneous...
I would like to prepare my RAK4631 supported board file to Zephyr , but I am having problems with my JLink device, then I bought a new device but it didn´t arrive yet.
...
Hello,
i am using the nPM1300 with a nRF52840. This question is regaring the WDT in the nPM1300.
After reading the datasheet of the nPM1300 my understanding is, that event...
i have ZSWatch complete hardware by jackob and kempy and the link is provided below and using the vscode (nrf connect) to code in it in my case the debugger by segger technology...
am using the NRF52840 DK to interact with some BLE devices, and I am trying to use NRF Connect for Desktop Bluetooth Low Energy .
While the DK is correctly recognized in...
I'm, trying to use the ble_app_uart example for SDK v17.1. I can run the example correctly, but when I try to copy-paste the main code, I can't use the UART. I normally send...
