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
In https://devzone.nordicsemi.com/f/nordic-q-a/30206/spi-with-ble-in-nrf52832 , you said it cannot use UART 0 and SPI0 or TWI0 together.
Why?
In nRF52832 Datasheet...
hi...
i had merged the two programs , twi sensor and uart in segger 15.2 version . i am using nrf52840 i am getting the error in twi instance 0 . i couldn't find what error...
hi.......... i am using nrf52832 and peripheral device , software -- segger 15.2 version
i am getting the error while merging uart and TWI sensor example program. this is...
Hi guys,
I am developing a application and I want to increase the BLE throughput to atleast 1.3kB/s.
I have already read this thread: https://devzone.nordicsemi.com/f...
Hello,
We are using the nRF52840 which has a CC310.
My question is about signature sizes when performing ECDSA signing/verification using the functions CRYS_ECDSA_Sign...
Hai,
I am beginner in this. i am working on nrf 52832 and using sdk 15 . I need to update the firmware remotely in the field using smartphone with BT.
In sdk 15 there...
I am highly experienced with microcontrollers, all the way back to the Intel 8008, but somewhat new to the nRF52832, with only a few designs under my belt for this microcontroller...
We need to implement precision clock synchronisation between two or more NRF52 BLE devices (sub millisecond precision) and need some advice on what path to choose.
I have...
Dear all,
In my project, I only want to use a battery to power for nRF52832. So, I want to add the feature which can measure the battery level and notify the user. But I...
Hi!
Im trying to implement DFU but got stuck at sending the init packet.
The problem seems to be that the the init data doesn't get transfered somehow, and the symptom...
Hello,
I want to install my own Button & LED handling (not using the default board support). It works on the nRF52840 Dongle, but I also want it to work on the PCA10056...
Hi Nordic,
I have tested the example, the softblink is working by configure the structure below:
typedef struct { bool active_high; /**< Activate negative polarity....
We are developing a BLE Beacon using the SDK v12.2 and the softdevice s132 on a nRF52832 chip. The code works on the DevKit successfully but it doesn't work on our custom...
