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...
Good morning everyone,
I am facing a weird problem concerning the use of the UART service.
I am currently using the NRF52832DK to develop an application. In a nutshell...
Hi Forum,
I am working on nRF52840 THREAD sleepy node and facing an issue in deep sleep mode. The current consumption in deep sleep mode is more-around 60-70 micro Amp...
Hello guys!
Are there any difference in using FDS library with a nRF52832 or with nRF52810?
I will explain.
I'm using a FDS for writing/reading to flash for 2 months...
(I've seen several other posts mentioning similar issues, but many of them haven't resolved or found a solution that seems to apply in my case.)
I have a custom board that...
Hi,
I have a simple and basic question. it may be chilly. the internal flash memory can store the data, but the question is it has stored as byte per address or word per...
I am using a nRF52840 chip in a custom board. I will be using all the SAADC channels, as well as 4 SPI connected ADCs.
The board itself will likely be powered for days at...
Hi !
I am using NRF52DK and I want send some daat with BLE. I have to send 800 bytes in BLE by packages of 25. So I tried this :
BUT when I look my uart terminal, I...
Hi, DevZone,
I am trying connect nRF52480 Preview DK and an Arduino UNO CAN Bus shield.
What I did is:
1) I directly hook CAN Bus shield on the top of nRF52480 Preview...
Hi Nordic,
I started from an empty project with peripherial control first, the code size is about 12KB. Then after adding peer manager and related code(fstorage, fds and...
Hello,
I build a custom board with Nrf52832 , to drive Relays , all works without load , no problem for drive the output.
When i put a load sometimes my device disconnect...
what are the total number of devices that can be connected to nrf24 ?
I would like to make one transmitter and rest of all as recievers without acknowledgment will it be...
Hi,
We are trying to use GPIOTE / PPI to turn a MOSFET on A microseconds after an event clears a timer and to turn it off B microseconds afterwards.
It is easy to do...
I am running into an issue with the Fstorage Library with SDK14 that I did not have using SDK12.
When I am not connected to BLE I can erase and write flash with no issues...