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...
Would it be possible at all to add a preset text string to the current advertising data, in an advertising-only module configuration, by changing the logical input of one...
Hi,
I've upgraded my SDK from 15.2 to 17.
After upgrading - I can't connect my device via NFC - it keeps disconnect with NRF_ERROR_RESOURCES .
I've tried to increase...
Hi
My goal is to create a USB HCI firmware that works on any custom board that exposes the USB port of a nRF52840. Based on the requirement for USB HCI it was clear to use...
Hi, I am working on an OTBR, nrf52840 connects to the router through SPI, I want to know how to upgrade 52840 through the router. The router use OpenWRT. p lease give me some...
Hi,
Our devices are getting randomly bricked by updating firmware through mcumgr in Zephyr. It happens on both the nRF91 and nRF52 chips when we run the latest nRF Connect...
It's strange, My nrf52840 can't boot up after power on,unless it was connected to JLINKRTTVIEW, If I disconnected the JLINKRTTVIEW, the device will stop running, Connect again...
Can anyone tell or give a pointer to info about RFCOMM vs. NUS (or any other vendor specific UART emulation service)?
Why are there vendor specific UART emulation services...
Referring to the Nordic message sequence chart in the following link:
https://infocenter.nordicsemi.com/index.jsp
(Software Development Kit -> Previous Versions of nRF5...
Hello!
I use SDK v17 and using the library and example code for the lsm9ds1 sensor.
github.com/.../nRF52-DK-and-LSM9DS1
'lsm9ds1_reg.c', 'lsm9ds1_reg.c' these two files...
Hello!
I am using ble adc scan mode example and successfully tested it with nrfconnect by sending my data from AIN3 . Now i want to send data of ble to raspberry pi bluetooth...
HI
Like to check on the usage of MQTT. We are connecting the nrf9160 to the network in eDRX.
During the interval, we may lose some message due to the lost of connection...
Hi.
I'm using ES.
RTT(Debug Terminal) on ES works fine. But sometimes I want to use J-link RTT viewer.
How can I turn off RTT on ES and then use J-link RTT viewer? ...
Hi,
as discussed in different issue on DevZone . We have discovered that send command freezes the program in the CoAP client sample. The Nordic employee Hakon has confirmed...
Hello,
This is related to a previous post , but now with new information and a more specific issue to resolve.
We have product in the field based on RF Digital's Simblee...
HI
I used nrf51822- EK board.
BLE HID MOUSE - SDK 8.0
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How to send left button or right button data?
How to modify below method?
static void mouse_click_send...
