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 All,
I am using the example " iot_secure_dfu_bootloader_secure_dfu_s132_pca10040 " with the NRF52 DK board.
I have build and load the code in the board but it...
I want to know how to add custom field in the firmware package generated using nrfutil? I generate three firmwares but sometimes its error prone, I saw wrong firmware flashed...
I have used ble_app_uart example as the base project and have added FreeRTOS and SAADC example to it. And I get the following errors as attached in the image.I have added...
Hello,
I have merged nrfx_spim and ble_app_uart. I was testing the spi tx function as my application has specific timing requirements. I have experienced something that...
chip: nrf52832
sdk:nRF5_SDK_15.3.0_59ac345
my purpose: i want to store data to flash from ble_uart
demo: examples\ble_peripheral\ble_app_uart and examples\peripheral...
I followed strictly all steps of the nRF Connect SDK Getting Started Assistant. However, the code doesn't compile:
(...)
9> Compiling ‘reboot.c’ 1> In file included from...
Hi, i am working on a bluetooth application with the nRF52832. When i try to connect a Samsung Galaxy S8 (Android 8.0) via nRF Connect, i get a LMP TIMEOUT error after 40...
Launch, then select 'Launch Programmer, tool displays message "The app only supports nRF connect ^2.5.0 while your installed version is 3.0.0. It might not work as expected...
From what I could see the Asset_Tracker example works in LTE, not in NB-IoT. How can I test NB-IoT?
I would like to get some hint on what example to use and what to do to...
Hey all,
I'm a bit lost here... I developed a wireless sensor for a customer based on the nRF52840 and it works great. Now we're developing a small light weight gateway...
Hi everyone,
I'm trying to developp a MIDI USB class compliant device with the nrf52840 DK.
I'm beginner about USB developpement and I have only basics about MIDI class...
I am using SDK 15.3.0 working on nRF52832, on windows platform.
Our requirement is, we need to get the data from both nRF52832 and BLE Heart rate sensor at same time and...
I have developed a new board based around NRF91 module. Ten prototypes are produced and six of them work. Other four devices cannot connect to the LTE network. I am using...
Hi,
I'm using nrf_serial to configure and then read data from a GPS engine, but I am getting unrecoverable OVERRUN errors on start-up if the GPS device is sending data when...
Hello
the setup is a nrf52840, the sdk15.3, Softdevice s140, apps: open bootloader and blinky app
Is there a way that the DFU mode is always there, at the moment its only...
