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...
Hello,
I am trying to update my bootloader using DFU and I am running into a few issues. I have successfully flashed and tested my current bootloader on my board and everything...
I am using the nRF51822 in an application where I want to run the UART as fast as possible to communicate with a host processor. I have been able to get reliable communication...
I am trying to create a package file to use with the DFU on my design.
I followed the instructions for getting nrfutil latest version built and was able to generate a private...
I'm using an NRF8001 with an ATMEL ATMEGA 328P (the microcontroller from an Arduino). I need the microcontroller to go to sleep, but still allow the BLE chip to advertise...
Hi,
for development i am using gcc and makefile on osx.
I wanted to automate my makefile with the possibility to upload directly the hex file to my nrf52 devboard.
...
I'm using PPI to trigger a gpio high after a given delay from 4.00 ms to 8.00 ms. I need to be accurate up to .01 ms but i'm seeing some jitter in the actual delay vs given...
Hi,
documentation for NRF_LOG_RAW_INFO state that it is:
A macro for logging a formatted string without any prefix or timestamp.
But when I use next code snippet...
Hi
After building ble_app_uart in Nordic SDK with board pca10028 it gives some warning like
/usr/lib/gcc/arm-none-eabi/4.9.3/../../../arm-none-eabi/bin/ld: warning...
hello sir, i m using gcc tool chain setup in windows with sdk12 in pca10028... so can i useexample->peripharal-> timer example same as rtc ... i mean sleep condition same...
I would like to use the flashwrite function to store some data in the flash. There is an example in SDK 11.0/peripheral.
But I have a few questions about the example: ...
Hi
I need to develop PC software to Discover, Connect, Get and Set data to the nrf device that we developed.
I am using the MCP and nrf connect but my client want to...
Hi,
I'm actually working on BLE product, with NRF52832, where security is really important. As I know BLE 4.0, 4.1 versions are not really secure with the key pairing ...
I see that Nordic was a Bluetooth SIG contributor to the Continuous Glucose Monitoring Service (CGMS) and that it was adopted on Nov 18, 2014. We have an immediate need for...
I have to store some data in the flash. Because I need to keep data when I power off and power on the device. Now I found on the SDK 11.0/peripheral a falshwrite example....
Consider a situation where a BLE peripheral (nRF51822, S110) and an Android device are being used. Assume the buffers of the BLE stacks are empty.
Is it possible that the...