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 using IAR Embedded Workbench for ARM ver 7.6. We are using nrf52 with SDK 11 and the corresponding soft device.
We are having a problem with the uart sending...
we have
/**@brief Function for initializing BSP.
*
* @details The function initializes the board support package to allow state indication and
* button reaction....
Hi,
I'm trying to connect to a Raspberry Pi from an nRF52832 via BLE Central mode. The Pi is running a node.js app (via bleno) and I can connect and communicate with it...
i m using pca10028.. with gcc tool chain setup with sdk 8 in windows.....am run one ble_uart example and after 180 second my device goes to sleep.. and second one that i have...
I'm using the SAADC of an nRF52832. I'd like to reduce the error of my measurements from the nominal +/-3%. I'm calling the NRF_SAADC_TASK_CALIBRATEOFFSET periodically to...
Hi,
I am trying to use nrfutil to generate my verification key.
However in the bootloader the key has this format
__ALIGN(4) const uint8_t pk[64] =
{
0x6e, 0x76...
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...
