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!
How can I communicate with my nRF24L01+ and nRF51822 at the same time. I can set up same channel, CRC-mode and I don't use ESB. But what about address? How do I set...
I am trying to set up a project that uses MCUBoot and puts the secondary slot into QSPI External Flash. I'm using NCS 1.7.1 with VS Code. I've followed numerous posts on these...
I am currently evaluating the differences between nRF52811 and nRF52810. I am still using the nRF5 SDK.
One difference is in the nRFInitialize function in the startup code...
Hello,
In my application (using sdk 16.0.0) I have a bootloader that allows to upload a new firmware through either BLE or UART. The Bootloader is initialized as usual:...
Hi All!
I have a problem running simple PWM output on NRF5340 board. I have a following code:
Now what i'm trying to achieve is to get 50% of duty cycle with frequency...
Hi there,
This should be straight forward but has me stumped. I'm trying to add BLE to my CAF based application and can't do and recreated the same problem with the samples...
Hello, I have a two part question with regard to SPIS setup time when exiting low power mode on an nRF52840.
We are using the SPIS peripheral on an nRF52840. General guidance...
Hello,
I am currently integrating the Wiznet5500 drivers into a VSCode project, but I am stuck on where to include these custom modules.
In the previous version in SES...
Hi，
I have a problem about CAF leds modules. I submit a led event to turn on led for 3600ms and turn off led for 500ms, but it work inversely in fact.
I find that leds...
SD140
Part nrf52833
Application: Central App that connects to 1 to 16 different peripherals. One at a time.
Problem: 1/10th of the time, I get a disconnect reason BLE_HCI_CONN_FAILED_TO_BE_ESTABLISHED...
I keep getting a hard fault when calling spm_request_random_number()
I'm following the secure_services sample provided in the SDK, and the secure_services header file...
Hi, I am using the nrf52 Thread v4.1.0 SDK for development
I am using ADA4333
there pin 6 is used for Gate control but
in CLI pin 6 is used as uart tx
and it is hard...
I found the following problem with Programmer v2.0.1, using either a Nordic DK or a Segger J-Trace as the programming device (on Mac OS 11.6, and with nRF Connect 3.9.1):...
Dear All, I am trying to add the task watchdog to my application, but I am dealing with some interesting issues. The NRF SDK that I am using is the v1.6.1 I have dealt with...
Hey,
I saw the example in the SDK for hid keyboard over ble but it is only as a peripheral device.
In my project I have the nordic board as a central device connecting...
It has an iso_broadcast error, by GDB, it is in function ` bt_le_scan_start() ` where it throws an error. The error I cannot see through since the compiler option can't adjust...
