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...
I've modified an example project.
How do I go about exporting it, so that I can share it with other devs and they can then flash the same program onto their Development...
hello,
i am working on nrf52 dk board .NUS sdk 16
I'd like to know the start/end characteristic handle values for each service. Is the 32-bit service handle encoded as...
I have inserted the groups cluster at an endpoint. Yet, and eventhough a group seems to be additioned to the device (the device responds with 0 to the add group command from...
hi:
I need help with a problem.
Error in merge file for 52810.
use sdk:nRF5_SDK_17.0.2_d674dde
bootloader:secure_bootloader
app:ble_app_buttonless_dfu
app:FLASH_START...
Dear Nodic friends,
We use nrf52833 to design a BLE control box with USB DFU function.
During USB DFU, DFU Trigger Library will reset nrf52833, so we should connect a...
Hi
I'm trying the light lightness example, I'm using nRF Mesh Android app for provisioning. I've 2 nrf52840 DK's. One is for client and other one for server. Both of them...
Hi,
I am trying to implement BLE on nRF52840 using Zephyr APIs. I am wondering if anyone can elaborate how to use bt_gatt_write() and bt_gatt_read(). As of now, I am able...
Hi:
s132_nrf52_7.2.0_release-notes.pdf shows us below words in page 3 about limitation:
GATT:To conform to the Bluetooth Core Specification v 5.2, there shall be no secondary...
I am creating a system with one BLE central device (nRF52840 DK) and many peripherals (nRF52840 Dongles). I am attempting to create a BLE central device that interfaces with...
Hello i have a working program with ble:uart and twi in a nrf51822 device with sdk 12.3 and softdevice My system works perfectly when i use other gpio as scl and sda (external...
When I'm tuning the RF output (front end) of the nRF52832 to match 50 Ohm what state should the chip be in? Unprogrammed with power on or off? Or in receive mode with power...
Should a firmware written for nRF 52832 run smoothly on a nRF52833 if no changes in functionality are desired?
If changes to the firmware are needed, which layers must be...
Hello , Vivek here. I am planning to use NRF52832 in my design and interface it with a microcontroller. And i am new to handling bluetooth protocol. When I was going through...
Hi,
i am using nRF52840 SoC and Had confusion on pin mapping for SPI (external flash) and I2C (external sensors) as below:
I found one similar query and it was said...
Hi,
I would like to write a code where I send a packet from a nRF5340 DK to another nRF5340 DK by using Zigbee.
I would like to also be able to use printk and see the...
