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...
Hi
There are two things I need help with. I am using Segger Embedded Studio on Linux(16.04) and SDK 15.3
1. I am using nRF52832 DK to debug and flash to external(custom...
Hello team Nordic Semi. Just got in touch with nRF52840 and it looks like an awesome tool.
Is it compatible with 4.0 BLE ?
Im working with beacons and im thinking of buying...
To the kind attention of the Nordic support team,
we are using nRF52840 and from the hardware manual (51 USBD) we can see:
2 control (1 IN , 1 OUT), 14 bulk/interrupt...
Hi,
I am using the NRF9160-DK - HW issue 0.8.5 - FW version 1.0.0 and I am running the latest at_client example.
At this stage, I could get the board to work, and it seems...
Hi,
When I try to update the firmware by sending 20 bytes at a time, it fails after around 1.25 minutes consistently.
1. Is it because nrf52 cannot hold the ble connection...
We are starting to get ready for production and will have 24 board on each panel. It would be great to be able to "chain" 4 to 6 nRF52840's together using the multi-drop protocol...
Hi everyone,
I'm currently developing a potential product where I wanted to use the nRF24L01/+ to send out BLE advertisement packets for a mobile app to receive and decode...
We are using the iOS DFU SDK https://github.com/NordicSemiconductor/IOS-Pods-DFU-Library to update a device that is built against the nRF5 SDK 14.2.0. The problem is that...
Hi,
I implemented my application top of the mess 3.0, mesh is working fine able to hop the messages to the gateway via relays(nodes)
Issue with UART : -
here nrf52840...
SDK version: nRF5_SDK_15.3.0
Platform: nRF52840 DK
---
Add FreeRTOS into serial example( nRF5_SDK_15.3.0_59ac345\examples\peripheral\serial )
and I copy task of blinky_freertos...
Hi,
I want to read 4 - ADC input channels (12-bit or 14-bit) from Bluefruit nRF52832 feather using sketch code. Can you point a sample code to do this?
I could read default...
Hi,
I am currently trying to set up the HTTP Application Update Sample and unfortunately it keeps stopping at the "downloading" state. Code is exactly the same from the...
Hi,
I´m using nrf52840 with softdevice S132 and set ble_gattc_conn_cfg_t::write_cmd_tx_queue_size to larger than 1. I´m count number of queued writes by increasing a counter...
I am currently developing with nrf52832 sdk14.2. I found in the test that after opening the hid service, the connection parameters will become the following parameters after...
I encountered a scenario where I call sd_ble_gap_connect() and get an event BLE_GAP_EVT_TIMEOUT with source BLE_GAP_TIMEOUT_SRC_CONN . This is followed immediately by an event...
