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,
First let me say I'm new to Nordic tools and SDK. I have been lurking on this forum for a while and it has helped solve a lot of my issues in the past. I couldn't...
Hello, guys!
My goal is to monitor battery voltage by using a voltage divider and ADC peripheral of nRF51822 SoC. I find that this example perfectly fits my needs. Consequently...
Hey, I found some plot difference when using write and transceive functions with nrfx library (zephyr os).
I'm trying to send 0x11 using this two codes:
And here...
Hi,
I have been mingling with kernel funtionnalities of Zephyr. I am trying to improve my application using an event based approch and threading.
I am trying to define...
We use nRF9160 on our own board with SDK 1.9.1. The firmware "Serial lte modem" is installed on the chip with connection to an external MCU. We are connecting to an MQTT broker...
Hi everyone,
i'm currently developing on nRF9160DK with AWS brocker via NB-IOT connection and i don't know if i'm encountering an issue.
Until now, every time that i reboot...
sdk nRF5_SDK_17.0.2_d674dde
I used some flash to store data.
But before dfu,it was equal to (FF FF FF FF FF FF FF FF|........) and after dfu,it was equal to (29 48 0C...
Hi,
In a multi-role central-peripheral code for a nRF52840-DK based device, I have to send a buffer acting as a peripheral. I use the ble_nus_data_send function sent as...
Hi all,
I am currently trying to realize a USB to Uart bridge with the nRF52840 development kit.
I used an old sample as a starting point for this task namely the " usb...
Hi,
I need a sample project for upgradable mcuboot, I am to understand that to have mcuboot upgradable, I need to have 2 stage boot loader, wherein 1st stage bootloader...
It's mentioned in this forum that MQTT-SN may be implemented on nRF connect SDK. I would kindly ask if there is anything available about that? And will MQTT-SN be officially...
Hi,
I'm using SDK 14.2.0, and nRF52840-Preview-DK.
Followed the tutorial:
devzone.nordicsemi.com/.../
I've programmed the soft device from: ..\components\softdevice...
Hi, I want to use filtered list during BLE advertisement in out project. The flow is as follows: (I'm using nRF connect app for testing ble connection) 1. Just advertise so...
