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 using a nRF52840 with sdk v17.0.2 on soft device s112. using the ble beacon example. i can set up the connection from the raspberry pi with a 2 second beacon...
Hello Nordic Team
I am working on SDK v-17.0.2 SPI example to interface with external flash memory. I have Winbond W25Q128FV and Fudan FM25Q08 flash memory but have same...
Hi,
I have modified the Cloud Client sample from ncs v1.4.0 for sending sensor values to the AWS IoT. The sensor code makes use of GPIOTE interrupts using this sample as...
Hi after a long time,
we have developed a custom board with nRF52840 and there is a part of the project, which is focused on sensing sound and evaluating sound pressure...
Hello,
I am experiencing a weird issue with a code which I wrote for my ultrasonic distance measurement sensor for Thingy91. The code works fine and gives measurement values...
Hi, I have a very odd problem but one which is consistent. As part of my lcd library I send several ''packets' of data interleaved with spacing from a timer. It typically...
Hi,
I am developing using nRF52820 / SDK 17.0.2
In order to store data in FDS, the handlers were registered and initialized as follows.
FDS_Event_handler does...
Hi.
I am working on nRF52832. I want to store a structure with 492kb I am getting heap is too large error. So how can I tell the complier to store my variable in flash instead...
Hello,
I am using nrf52_DK to debug PDM with a digital MIC, and select the pin 29 for the PDM CLK, But I haven't seen any clock signal output, for generating the clock...
I am develop a android application with BLE.
My bluetooth device can be searched by bluetooth scanning of android.
And my application can connect with the bluetooth device...
Hi,
My system is
- nRF5340 custom board - Zephyr OS build v2.3.0-rc1-ncs1 - nRF-Connect-SDK v1.2.0
To perform DFU over UART I was told to merge MCUBoot + mcumgr +...
Hi,
I am developing an application that needs to activate a relay on a central device when an event occurs on the peripheral device. The peripheral will always connect to...
Hey, Brand new to this but long time programmer and I sware I have been trying tons of stuff for 4 days straight now and only posting because I am out of options. My goal...
Hello!
I am new to the Nordic chips and for my project .My question is when i apply for the free SES license from license.segger.com/Nordic.cgi ,the The error is shown in...