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 have connections to a Azure server that has tree CA available. To be able to talk to the server with .peer_verify = 2; I need to replace the CA one by one and try to figure...
I have been uing nRF9160 as ble gateway for uploading data from two nRF52832. The nRF9160 has subscribed to the nRF52832 gatt and hence receive updates automatically. Now...
I purchased the nRF52840 dongle AND Nrf52 dev kit. My upcoming project will utilize the nRF52832. I am able to build, download, modify, and execute examples from the nRF5...
Hello everyone,
i am created my own UUID Service with a characteristic. I used this tutorial --> https://github.com/bjornspockeli/custom_ble_service_example Code is working...
Hi,
I am getting this error when enabling the twim instance. It initializes successefully but throws error when enabling it.
How can I troubleshoot it further to know...
Hello,
I want to measure the 32 kHz XTAL frequency by toggling a GPIO and measuring the frequency by a frequency counter. The nRF52 has got an external crystal connected...
Hi,
We are working with the nRF52840 and an ADC chip that is capable of I2C communication faster than 400 KHz, allowing lower latency. I know that the nRF52840 does not...
Hi，
I really need your help！
When I add DFU function to my project, I need to display DFU progress on my LCD, but I don't know where to add my display code, and I don...
Hello, Nordic!
I'm developing with nrf52840, s340, sdk 15.3.0 in my customboard
Anyway, recently, I have one problem about reset.
My device sometimes has rested and...
Hi All
We have started work on nRF9160 DK. We follow this link Getting Started with nRF9160 DK We have download SDK and install all requirement like GNU and Embedded Segger...
I just received and activated my new Thingy 91 and am very disappointed with results. The module is sending data up to the cloud site and temperature / humidity are updating...
Hi
I'm trying to implement the authentication described in the above-mentioned blog. In on_write_req() a call is made to functio "auth_handle_hvx_send()". I don't see any...
Hi,
I'm trying to port a project using nRF5 SDK to C++. One of the desired features would be interaction with the app via J-Link RTT using the command line interface.
...
Hello DevZone, I am trying to combine the ble_app_uart with the ble_app_hids_keyboard example.
I have added the necessary libraries from the the uart code into the HIDS...
