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...
Why isn't this working?
The MPU_RESET_PIN is set to : NRF_GPIO_PIN_MAP( 0 , 20 )
I can not seem to be able to alter the state of the PIN. Whenever I read the PIN its...
Hello all!
I have a timer that sometimes gets started inside the IRQ of the ESB and sometimes needs to be restarted inside its own IRQ
I'm running it in a "one shot...
Hello
This parameter must be modified e.g. if you have a large number of characteristic in your custom service.
is there a reasoning to calculate this or just "try and...
Hello,
We are developing on the NRF52840, using SDK 15.2.0 and FreeRTOS
We currently have DFU over BLE implemented, but we are strongly considering switching over to DFU...
Hello,
we are developing a firmware for the nRF52840 which requires the use of Bluetooth and the SPIS (SPI Slave) functionality.
We are using S140 & SDK 16.
We encounter...
Hi,
I'm having an issue with using nrfutil to generate a bootloader settings image for loading onto an nRF52840 MCU. The resulting image appears to have the wrong starting...
The SERIAL_OPCODE_CMD_CONFIG_TX_POWER_SET (0x44) is not supported in mesh SDK v4.0.0, so I added the following in the file serial_handler_config.c
#include "core_tx.h" #include...
Hi,
I have an application that needs 256kB of RAM however when I try to compile the code for the application processor it complains that there is only 64kB available....
Hi, I've created a custom service for my application. However, is there any way to give a name to the corresponding UUID? I want the custom UUDI to be appearing for example...
Hi,
I updated Segger Embedded Studio to the latest version, 4.50, after that it asked me to update JLINKv6.62a firmware update, but there after I had problems with the board...
Cortex M33 applications on the Thingy-91 - are we able to write any application program that would normally run on a standard M33 ARM processor (off the shelf) - or are there...
Hi I m new to Nordic products and I m just evaluating the nrf5340-PDK.
is it possible to enter in SYSTEM OFF and wake up the CPU with RTC0 or RTC1 interrupt?
How To do...
Hello to all. Is it possible to send and receive data between 52840 dongles using ZigBee? I need a simple program which records data in one dongle and sends to another. Thanks...
Hi :
Our project(SDK15.2) use the uart DFU to transfer the firmware , usually when the firmware has been transfered ,it can jump to app successfull .But Sometimes,bootloader...
My goal is based on SDK16.0.0 and s132_7.0.1 softdevice to achieve BLE DFU (requires binding) and UART DFU work at the same time, I have combined the 'secure_bootloader_uart...
