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,
My behavior is as follows
Turn on my device(use 51422) and advertising(2 Service and 3 Characteristic)
Turn on my cell phone(Samsung Note3),scan my device...
Hello:
I used analog IIC write MPU6050. Again after power download programs, mpu6050 can run up there ACK response. But the debug will not run. Simulation IIC because no...
Hello,
I am using NRF52 TWI master to read data from my sensor, I have read the twi_sensor example but it doesn't make use of nrf_drv_twi_xfer() .
My question is quite...
Dear nordic employee
1、when I use the spim to send 1 byte address to read it's value(4 bytes)，like this：
nrf_drv_spi_ transfer(&spi,headerBuffer,(uint8_t)headerLength...
Hi!
I use this debug on another examples fine. But want to enable this debug in a my project. In a config.h file RTT debug enabled. But doesn't work debug. I remarked that...
Hello All,
Please check above image, showing antenna layout of my custom board.
I am receiving error frames at ~40ft distance on sniffer.
Please check whether antenna...
When creating a custom bootloader for buttonless DFU, it is surprising to see that nrf_dfu.c not compile without defining button related function.
The warning
nRF5_SDK_14...
After succesfull compile, installation and run of my first application , I cannot see anymore the nRF52 DK board from windows.
The application keep flashing the led but no...
I wanted to share the most reliable and efficient method I found to collect and store my log outputs through segger RTT, which also allows using the excellent Log Viewer Log4View...
Hello all:
I have faced a problem that my device will report hard fault when I try to start advertising after force disconnect the device.
My EV board is nRF52832 and...
Hi everyone:
I use nrf_drv_ppi_channel_alloc(&m_ppi_channel1) to allocate ppi channel. Every time i call nrf_drv_ppi_channel_alloc(&m_ppi_channel1), the m_ppi_channel1 will...
Dear Nordic Team,
Thanks for supporting.
What is the changes or difference between SDK12 to SDK13 and also SDK13 to SDK14 please give me a brief explanation or suggest...
hello everbody~
I have a problem with the FDS example code.My sample code is SDK version 11.But I now use the SDK14.2 version and nrf 52832 MCU.
The SDK 11 detailed example...
Hello I am using SDK12.3 without softdevice on a custom board (with nrf51822 256k flash, 16kram without 32768 crystal).
I have written some code using GPIOTE to detect...
Dear support team,
I’m using nrf52840 with PCA10056 and SDK 14.1. I have problems of UART connection.
I do believe that MCU has physical connections to nrf52840...
Hi!
Now I am going to control the hardware flow and control the UART.
For that purpose, we send an RTS signal from the external MPU and the nRF 52832 that received it sends...
Dear team,
I bought a nRF52 DK which is labled "PCA10040 V1.2.1 2017.21 xxxxxxxxx".
xxxxxxxxx is a serial number, I guess.
I just could not run the most simple example...
