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’m currently experiencing some periodic MCU resets while testing the BLE Multiple central single peripheral scenario, whose root cause is not clear to me, except that...
Excuse me:
I want to achieve t he maximum transfer speed between ble_app_uart and IOS NRF connect app，How to modify the example to achieve the maximum transfer speed with...
Hi
We are now using SDK v17.0.0 for our product and planning to upgrade SDK v17.0.2 because SDK v17.0.0 could no longer be downloaded.
But SoftDevice for each SDK is...
Hi all,
Background: -NRF5340 -NRF SDK 1.9 -Zephyr 2.7.99 My objective is to send via Bluetooth data of 244 Bytes every 10 ms per notify . For the tests, I use the dongle...
Hello,
I'm quite loss using the command nrfjprog.
I install in VSCode all NRF tools. It seems working good. I can compile.
When I have a look on "device tree" I cannot...
Hello,
We want to read external sensor data using uart in lwm2m_client project.
I tried below following code :
static char RX_Data; static char uart_buf[20]; static...
Hi,
I could see that in nCS path : "v1.8.0\mbedtls" , "mbedtls" library is provided, I need to understand what it does & how do I enable it for use in my applications...
I am attempting to build and run the Zephyr NVS sample ( https://docs.zephyrproject.org/latest/samples/subsys/nvs/README.html ) on the 52840 using the nRF connect extension...
I have an Adafruit nRF52832 board, and I'm trying to minimize power consumption by putting it in system off mode. It is attached to a breadboard, and none of the pins are...
Hi Nordic Team,
I noticed a potential issue while migrating from SLM v1.4.0 to v1.9.0. In addition to the inversion of the <state> representation in #XHTTPCRSP introduced...
I have developed a Zigbee application using the nrf52840 DK board + nRF Connect + Zephyr and it is working. Now I am trying to move that app over to the nrf52840 dongle. It...
Hi, I am using nRF52832 development board and I have a motor driver. Motor driver has external power supply, I am just using nRF52832 to set directions which consumes low...
Hello, I am trying to use the dfu library to update the nrf52840 with a firmware stored in a littlefs file in an external qspi flash. I can successfully read the entire firmware...
