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,
I am wanting some information about any guarantees on the ordering of queued notifications and indications. According to https://devzone.nordicsemi.com/f/nordic-q-a...
SoC nrf52840, nrf connect SDK v1.4.2
we have a board with 3 sensors connected with independent SPI interfaces. after porting the code to ncs v1.4.2 from v1.2.0 the SPI communication...
Hi ...
I am getting the occasional error NRFX_TWI_EVT_BUS_ERROR being reported from the twi_irq_handler()
You can see in the following code snippet from this function...
I am using SDK17, nRF52840 based custom board and SoftDevice 7.2.0 with SES.
I want to use SDK's secure bootloader (pca10056_s140_ble) with my own keys.
To enter to...
Hi,
I have used a Custom board using nrf52832. It follows some procedures. After that, it needs to get into sleep mode for a time which was sent from the app
I use the SEGGER Embedded Studio for ARM IDE to build a clean build directory. From the IDE I can build the project and it completes successfully.
So I then take the same...
We have a product that uses a module containing NR52832 and also both 32kHz and 32MHz crystals. This has been operating correctly and is in full scale production.
On our...
Hi,
I'm having some difficulty debugging an issue with the mqtt library on the nrf9160dk.
I have written my own Cmqtt library class that wraps the Zephyr mqtt library...
Dear ,
On Windows 10 Bluetooth add a device,
Why SDK_17_0_2 Example does Bluetooth be disconnect immediately after pairing
(Use about \nRF5_SDK_17_0_2\examples\ble_peripheral...
When I open the Light Bulb project in Segger Embedded Studio I see a bewildering list of project items. I pick the first project, 'zephyr/merged.hex' and right click to set...
SDK: 4.1.0
CHIP: 52840
Hi, I have developed sleepy zed. It lost the connection with the network after joining in 1~3 days.
It assumes that the zed couldn't get the...
Hi, guys.
I'm using nRF52 DK (PCA10040). After I used Zadig (Driver setup for J-link), I cannot build and run my previous code to the nRF52 DK anymore (see the first 3 images...
Hi
I am using nrf52840 boards and by using the coexist program I am able to send and receive messages through mesh while using the ble services.
I followed the instruction...
I use NRF52DK as central device I also use a SDK that is ble_app_uart_c code for my project. and i would like to take my peripheral devices whice are phone or PC their RSSI...
