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...
We are planning to build a product based on nRF52811 SoC, which is Bluetooth 5.1 and has AOA and AOD features. Unfortunately, Nordic's hasn't released any new supporting Library...
Hello
my setup is a nrf52840, the sdk15.3, Softdevice s140.
I'm running an application with freertos and wdt and have the openbootloader and s140 also flashed.
- if...
Hi,
I have an application which has 2 services and 3 characteristics. I want to keep the value of characteristics when the characteristic value changed. I tried FDS and...
Hi everyone!
I have recently implemented USB CDC on a custom NRF52840 device with SDK 15.0 and got it to work with Windows, Mac, and Linux OS. However, when I try it on...
Hi Everyone,
I am using nRF52832 with SDK v14.2 and SD v5.0.0 on a custom chip.
I want to advertise 2 custom UUID (DFU and NUS) and i wanted to know the correct way to...
I am getting the below error message when I try to repair the device.
peer_manager_handler: Connection security failed: role: Peripheral, conn_handle: 0x0, procedure: Bonding...
Hello.
After connection establishing i would like to doscover services.
I read here:
https://stackoverflow.com/questions/41434555/onservicesdiscovered-never-called...
I've played with the Generic OnOff Model Server in a mesh network. It seems like the way state of whether the device is on or off is communicated is through an access message...
Hi guys.
I was porting the project from nRF52832 to nRF52810 when I get the following message:
"When using s112, NRF_SDH_BLE_CENTRAL_LINK_COUNT must be 0."
After searching...
This is in continuation to the previous question I asked which is linked here: https://devzone.nordicsemi.com/f/nordic-q-a/52575/making-a-ble-ibeacon-with-gap-gatt-profiles...
Hello,
I have used for my application the reference design of NRF52832.
The connector MURATA MM8130-2600 is used to have the choice between the PCB antenna and an external...
I have refer to this topic for setup multilink with NUS. https://devzone.nordicsemi.com/f/nordic-q-a/18804/mismatch-between-connection-handles-in-ble_nus
But, i met a wrong...
Hi Nordic,
While testing USB CDC example with nRF 15.3.0 in PDK board, I see USB is not recognized. I have gone through the same issue posted in Forum. Is it the issue with...
I have a question about “BLE_HCI_CONN_INTERVAL_UNACCEPTABLE”.
SDK: 15.3.0 Example: ble_app_multirole_lesc (source changed from sample) Device: EYSHJNZWZ (nRF52832)
The...
This microcontroller is advertised as mbed enabled. Does that mean that it can be easily programmed using mbed api in an mbed environment. I want to work in a c++ environment...