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 everyone,
I am currently working on porting the InvenSense motion driver 6.12 to nrf52840pdk.
I followed porting guide provided by InvenSense. However, I met the...
First of all, I know the difference between the two roles, and I have also read through docs.
My question is actually limited to the current nordic mesh implementation....
I need a bootloader that I can use for my application that doesn't use a soft device and allows the firmware to be transferred through uart. Going through the forums, I found...
Common situation:
We have flashed dfu bootloader, and firmware uploaded into Flash via DFU. In this situation, DFU settings page contains correct CRC value for existing...
Because if there is, I'm not seeing it. It seems to me that the SDKv14 has asks you where you want your event handler function like this:
Where spi_0_event_handler() is...
HI,
I have been trying to generate the hex files for the mesh sdk (Latest) examples using cmake following the instructions in the documentation.
But the platforms supported...
Hi All,
I am starting an application using nRF51822 beacon kit.
I have some observation regarding current consumption.
1- erase entire flash and power up only, i can...
I'm trying to measure the startup time of the 32 MHz XTAL at the pins XC1 and XC2. Often a microcontroller will indicate in a register that the XTAL and internal PLL are stable...
I wanna use NFC Tag module for OOB authentication in Bluetooth Pairing. I don't wanna use heavy SDK library for it.
Just need simple function which configure NFC to transfer...
I need to achieve the "few uAmps" level of sleep current while running the latest mbed-os 5 on an nRF2832 (inside a u-blox NINA-B1 module). I'm currently seeing ~500 uA in...
Hello,
I'm writing a python script to flash batches of boards with NRF52's.
This is the part of the script that flashes the boards:
I call that function inside a for...
Hi,
I have a problem using Nrf51822 with softdevice S130 2.0.0.
It happens sometimes, not always just a few times, in an unpredictable wat that using the function sd_ble_gatts_value_get...
Hello I am developing an application with this sensor and I have this board that I recently bought, is there an example where I can do a sensor test? or if someone has tried...
I am using nrf51822, sdk 12.3.0, softdevice 2.0.1 , i am wondering what is the best practice after user changes the pairing key , should i delete pairing info on the NRF in...