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...
SDK 16.0
52810
S112
From the sample code of SDK we can see that the UART is enabled by code ourself, as the following. However, what's the usage of the NRFX_UARTE_ENABLED...
SDK: 15.3.0 Device: EYSHJNZWZ (nRF52832)
Please tell me the operation when garbage collection is executed. The setting values of FDS are shown below for reference.
We...
I am trying to program my custom board nrf52811 by pca10056 using ses, and i was able to flash any example of nrf_SDK, however the LED does not blink. even though i added...
SDK: 15.3.0 Device: EYSHJNZWZ (nRF52832)
The following contents are described as the description of "FDS_VIRTUAL_PAGES". "One of the virtual pages is reserved by the system...
Hi, I'm trying do drive WS2812B LEDs (aka neopixels) with the I2S peripheral, using method similar to this https://devzone.nordicsemi.com/nordic/nordic-blog/b/blog/posts/driving...
Hi,
I want to implement a Single Base UUID with 3 Custom Characteristics. I followed the instructions which are mentioned in the https://github.com/maidenone/custom_ble_service_example...
Hi,
I'm using the I2S for driving a Neopixel (WS2812b) , my code is working properly on the nrf52840DK . but when i flashed it to the adafruit nrf52840 board via the P19...
Hi,
Can you please provide a small UART application for the nRF52 and nRF52840, to communicate with PC application using bluetooth.
The deafult ble_peripheral applications...
I would like to connect an nRF52833 to a host through UART-over-USB. The host needs to be able to update the nRF52. HOWEVER, the host is itself an embedded device, not running...
Hello,
I started following the tutorials in the devzone blog and was really helpful to understand the logic behind the ncs. I got stuck in some issues and would like some...
Kind BLE experts,
Here's some background that you might find interesting. I'm working with a consortium of International teams working on creating IOS and Android apps for...
The ble_app_hhs_freertos example uses nrf_sdh_freertos.c, which in turn, requires that NRF_SDH_DISPATCH_MODEL be set to NRF_SDH_DISPATCH_MODEL_POLING.
Is there a reason...
We are in process to certified a product using the nrf52832. While testing the certification team find an offset greater than 20 ppm, like in the following scree shot:
...
Hi team,
I have to create a program which sends messages from one dongle to another. Now I have ported radio transmit and receive + USB CDC ACM programs for two 52840 dongles...
Hello,
I have experienced some softdevice hardfault in my multiprotocol application. I use https://github.com/NordicSemiconductor/nRF-IEEE-802.15.4-radio-driver/wiki with...
