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 trying to do a 2 channels adc reading to read a value of a potentiometer and a value of a battery level. When I try to make it, I saw that sometimes, the value of...
Hello,
I have a problem with my nrf5340 in combination with the w5500. I have everything working but the connection is not stable.
I have nothing in the main.c
This...
Hello, Our company is developing a product class which uses a number of NRF devices. We want to set things up in such a way where there is a single "hub" device which uses...
Hi, guys.
My first link was here https://devzone.nordicsemi.com/f/nordic-q-a/84673/building-sample-v1-8-0-zephyr-samples-application_development-out_of_tree_driver-gives...
Hello!!!! I use libuart to carry out DTM test. I start DTM test use follow codes:
after the codes executed, when i send data to device use libuart, it receive nothing...
Hello, I am trying to find out my nrf 52840 chip revision. I have tried using the NRF_FICR register but I couldn't find the revision there. I found that the variant is AAD0...
Hello!
While looking at examples and trying to work on the nRF52832 with sdk 1.8.0 I am noticing there are varied uses of functions with and without the _dt at the end....
Case 1: Using nrf52832, solder bridge cut: what current values do the PPK gives : is it of the entire dev kit with all peripherals, programmer and BLE Soc or does it measure...
Hi, I'm attempting to migrate from SDK 14.2 to 15.2, and am encountering a problem with the crypto/rng module whilst trying to utilize micro_ecc.
(code being shown in order...
Soo,
I've had a sim and a device connected to the nrfcloud, it worked. Then I didn't use nrfcloud for a couple of months, and now it doesn't work anymore. It tries to connect...
I am using nrf52832 dev kit and soft device s132. I have use my board as peripheral
and i have another nrf52840 dev kit which i am using as a central connect it with my...
Hello,
I have to develop a new device that has to connect as a central device to three sensors, and has to connect as a peripheral to a smartphone. The type of connection...
Hi,
I'm observing a strange behavior with the UARTE peripherals on our nrf52840 based board when I'm trying to use a specific pin as TX.
In particular, I'm actually using...
Hello,
I've flashed to my custom nRF52832 board the ble_app_hrs_pca10040_s132 example, it works fine with iOS and Android hosts but when I try to connect to my development...
Hi Team
I have read https://devzone.nordicsemi.com/f/nordic-q-a/75801/request-tolerance-in-the-d-e-dimension-of-nrf52833-wlcsp . and https://devzone.nordicsemi.com/f/nordic...