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 everyone, I have a custom board based on the QIAA layout, when i try to flash the bluetooth beacon example from the zephyr samples directory, the board does not advertise...
I have implemented a project that incorporates the 802.15.4 radio driver for use with a in-house developed router stack.
The implementation appears to work fine between...
Hi,
I've been working on UDP comunication so I looked into an example posted in the devzone that uses UDP (fetch time over NTP). I'm able to build and flash this application...
Hello,
I want to change the channel mask of the advertising channels like this
m_advertising.adv_params.channel_mask[4] = 0xC0; // only Channel 37
and sniff it.
I...
Hello I am a new user in the BLE world.
I am using the nRF52 DK board and trying to program it via PlatformIO by visual studio code i.e coding with arduino programming C...
Hi,
I'm looking for some design guidance on how to properly secure the device, code, access tokens etc.
- Does secure boot protect the device from being re-flashed...
I am using BQ25120A with nrf52832, but when I power up the nrf52 with battery then it continuously reboots. What is the reason behind this and how should I overcome it? Initially...
I am by no means a software expert, but I am pretty decent but I am having a hard time wrapping my head around the SDK/HAL and getting a project going. I see the examples...
Hi:
We has a device use the hid keyboard and privacy gatt Service. Now we development the app with Android-BLE-Library, and can not to resolve some question.
1. While...
I have successfully added an event handler for managing if a write operation is performed on a characteristic, but how can I know that which characteristic has been written...
Hello,
This example I got it working with nrf toolbox app, but I was wondering if this should work also with a win7 PC. https://infocenter.nordicsemi.com/topic/com.nordic...
Hi,
in NB-IOT the UE should make a Traffic Area Update TAU when timer T3412 expires. I have a project based on the UDP_with _PSM sample. When I configure the PSM timer to...
Dear All,
I am trying to minimize the current consumption of my device. I am using several peripherals, such as UART, I2C and ADC.
When I run a very simple sample...
I am working on a line of products that use the same Microcontroller and softdevice so the same QDID. Most of them work with a module and one has the same chip mounted directly...