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 need a reference PCB layout for the nRF52810-CAAA WLCSP-33 chip. There doesn't seem to be a reference layout for this specific chip. Furthermore it differs from the...
Hi everyone,
I have a couple of Laird BL653 boards which use the nRF52833 chipset. They have SoftDevice S140 v7.0.1 on them and I'm using the nRF Mesh v3.1.4 for IOS. The...
On an NRF52811 (and I've had a similar problem on a 52833) I'm unable to use the NVS subsystem. Everything inits fine but there is a fault when writing to NV. If BT is disabled...
Hi Nordic team,
We have tried using Bluetooth peripheral HID keyboard example from nRF5 SDK and found an interesting problem.
In our setup, nRF52840DK is running the provided...
Hello all,
I have trouble reading saadc data with an amplitude of 10 µV - 100 µV with a sampling rate of 1K Hz by using nrf52832. I was wondering if I could get advice/help...
Hi,
The code is working normally, but when I include ble_radio_notification_init functionality. Then it crashes (hardfaults), on some boards not all.
[19:18:40.550]...
Hello.
We are migrating from SEGGER Embedded Studio (SES) to IAR Embedded Workbench (IAR). SES used Printf as a comment display and output it to the Terminal Emulator. I...
I've previously used Getting Started Assistant to install nRF Connect SDK 1.5.0 on macos and managed to get a complete and functional install.
I'm now trying the new Toolchain...
HI,
I have few queries regarding nRF52805.
Is there any specific pin configuration required to enter nRF52805 in to programming mode?
What is Adverting connectable...
Hello. I am conducting experiments with data transmission via the Enhanced ShockBurst protocol with BMD-340 modules. Transmission parameters: 2 Mbit radio channel speed, 512...
Hello Sirs
I want to use the serial port of nrf5340-Dk to get some serial data from a sensor and transmit this
data Via a peripheral connectable config by nrf5340-Dk ...
I'm trying to access an SD card with FAT_FS, with no success. I hooked an analyser to the SPI, but it's completely dead. I'm using NCS v1.6.0.
Is there something...
I am very new to BLE development, and am building my application on top of the ble_central\ble_app_uart_c example.
I have this tag defined at the start, with the other global...
Dear Nordic Engineers
Our customer uses NRF52810 with a PA chip, the model of the PA chip is RFX2401C. The attachment is the manual of the PA chip. The hardware connection...
Dear Nordic,
We use CONFIG_BT_CTLR_DATA_LENGTH_MAX definition set to 251 in our project to be able to send large data packets. Still, when migrating to nCS 1.6.1, we've...