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 have nrf52 periperial mode, SDK15, s132.
I connect a smartphon in the central mode to my nRF52 and start to send some data.
In the nRF52 I receive those data in...
Hi, I am trying to print double/float values, but Its printing blank. e.g. printk(" value:%.3f\n", value); output: value:%.3f printk(" value:%lf\n", value); output: value...
My project consists of reading an NFC card's value (using another chip), and respond to the interrupt generated by that chip to read the value from it using SPI. Then, this...
Currently I am using VS Code for development. Mostly everything is fine and VS code is awesome.
However there are some problems I am facing.
1. It is time consuming to...
Hi,
In my application,for the first time device (nrf52832)will start advertising and on nrfconnect for mobile application side we make it get connected and bonded.It may...
Hello! I'm trying to develop an Android-nRF-Toolbox App. What features and folders do i use with show logs? In order to develop the uart in the toolbox app, we have deleted...
Hi everyone,
I want to know that is it possible to send the heart rate data using HRM services without sending the battery data in nRF51422. When I disable the battery...
Hi! I've been working with the Thingy 91 and I've found that the SIM card was running out of data, so we decided to buy more data to keep working. The board was working as...
Hi,
I'm making a new design. I want to use the NRF52840. I also want a low power microphone interface.
PDM seems like a good idea, modern PDM mics have low power modes...
Hei
I've gotten the ipv6_coap_server example to run on the nRF51-dongle. I got the bt0 interface after connecting to the device and I am able to ping the device.
My...
Hi all,
Previously I spent some time to set up the nrfsniffer and with support I had succeeded; devzone.nordicsemi.com/.../setting-up-the-nrfsniffer
However as I have...
Hi
I want to modify the nrf9160 software samples from Nordic so I can use float with printk() and sscanf() functions.
I am also using gcc.
I try figure out how/where...
Hi,
As a part of FCC testing, I am trying use the following radio_tx_sweep_start(txpower,uiMode,channel_start,channel_end,delayms) with below parameters.
uint8_t txpower...
Hello, I have seen and heard of nrf52 alot that it can be used as payment card by using HCE technique. Can anyone please shed some light on it ? I want to know the way we...