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,
When we tried to increase the Security level from SEC_OPEN to SEC_SIGNED_MITM, it will output error 0x6 which is "Not supported". So how can I do to support a higher...
We are developing AoA direction finding with nrf52833 and antenna array. We also want to include Wifi connectivity to our receiver, having nrf52833 + antenna array. Which...
Hello,
I want to perform NRF52840 Firmware update remotely. I refer to link .
I want only normal http OTA update without encryption for prototype testing. Is there any...
Hi, I've been measuring a nRF52840-powered prototype powered from a 3V coin cell battery. I would like to use High Voltage Mode with REG0 in DC/DC-mode for maximum battery...
Hi,
I am trying to implement the attribute reporting for a zigbee dimmable light device, reporting to the coordinator.
The code is based on the zigbee\light_control example...
MCU: nrf5340 Network Core nRF Connect SDK Version: 1.5.1 Currently there are multiple libraries under ncs/nrfxlib that have their own " nrf_errno.h" . Out of those libraries...
Hello,
i have a function wich just send "hello world" via uart0. static otError SendUARTCommand(void) { volatile uint32_t ret; const uint8_t message[] = "Hello World! \n...
Hi !
This is more of a question than an issue. I am curious about the future of TF-M and its implementation on Zephyr. Does anyone know what are the plans on Zephy's or...
I'm trying to set tx power to +3db in the peripheral_uart sample.
I don't need dynamic control, just setting to always use +3db.
Adding the following line to prj.conf...
Hi,
I am using coded BLE to connect two board using nrf52840. I just let bluetooth to run, then measure power consumption of the peripheral board by measuring the current...
Hi,
I am trying to send messages from my gateway, which has UART and __LOG enabled, to a specific LPN address (0003).
So I want to send messages from my FN Light1 (0002...
We have developed an application in ncs-1.3.0 where we created a west.yml file for the application that lists nrf, zephyr and other dependent repositories. We have downstream...
Hello. everybody.
I'm new to be here.
Now, I'm struggling to succeed in building 'ble_app_beacon_pca10040_s132.uvprojx'.
(This file located in C:\(private dir)\nRF5_SDK_12...
We encounter 52810 freezing problem. It occurses in low probability less than 1 out of 1000.
Power-on reset is no use for this problem. The freezed 52810 chip restored when...
Hello,
I am developing a product that acts as a peripheral and sends a notification of more than 20 bytes (which is by default the BLE MTU). How can I config the MTU so...
