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 want to use UART to send and receive data, so I refer to ble_app_uart example to add the UART function to the ble_app_hrs_freertos, but I found it returns error...
Hello,
I am currently trying to get a slightly modified version of the blink example from zephyr to work on the nrf5340.
As you can see below, I am starting two threads...
I want to use the OTP register for production, but I don’t have permission to read the contents of the OTP register。
The following are my steps:
1.Allow the UICR area...
Hi,
I have a question regarding the nRF5340 Development Kit.
I use nRF5340 in the BLE Central role, I'm using a similar code like in the example central_bus.
Sometimes...
We have noticed that generating LE Secure keys [ nrf_ble_lesc_keypair_generate() ] takes 2.5s. That causes our external, 1s watchdog to trigger. Is there any way to improve...
Hello,
I was going to email my local FAE about this, but figured I would post it here for anyone else who may have the same/similar question. To preface, I have reviewed...
Hi,
Of late, I've been evaluating Zephyr in its support of the nrf5340. I've come across several deficiencies that need to be addressed:
1. All callbacks (for the most...
I have an application for NRF5340 which I was trying to add BLE HCI RPMSG into the network core. I went ahead adding the necessary build configuration in such a way I would...
Hi Team,
Recently, I am developing spi functions. There is a function that makes me confused --"nrfx_is_in_ram".
I am not clear that what types belong to RAM data. ...
The datasheet for the nRF52840 states, in section 5.3.6.7, what retained registers do and then, rather unhelpfully, states that details can be found in individual peripheral...
Ian currently using Nrf52840 development kit and SDK 4,0 fir the zigbee and the thread. SDK 4.0 is being used for the project due to some functions that are not present in...
Dear NCS experts,
When trying to debug in VSCode by hitting F5 (or Menu: Run->Start Debugging), compilation fails with: fatal error: zephyr.h: No such file or directory...
Hi,
We are facing a very long startup delay with nRF52840 and I would know if there are some possibilities to reduce it.
I have made some measurements in different configurations...
