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...
Hi,
I would like to read accelerometer value from orientation_detector_calibrate() (in asset_tracker/src/orientation_detector/orientation_detector. c).
But from main.c...
Hi,
I am learning nRF development with 52DK device and SDK v16.0. I noticed that by default the 52DK planned P0.5~8 for UART purpose.
I am wondering if I can disable UART...
Hello ,
I am trying to send 1,000 of MPU-9250 data from NRF5832 peripheral(ble_nus_uart) to NRF52832 central(ble_app_uart_c).
And i have been searched this site and set...
I would like to move existing nRF9160 solution created according to nrfConnect Getting Started Guide to another directory under Windows.
Simply moving the folder doesn't...
Hello
I'm trying to implement interfacing between BME280 and nrf52840 on a custom board using zephyr BME280 sample example. I'm using SPI for the interface but there no...
I am evaluating the nRF Connect SDK for nRF5340. Currently, nRF Connect SDK seems to use zephyr's open source stack as the BLE stack.
By the way, nrfxlib / ble_controller...
I am developing application for nRF5340. I have two questions.
1. What value VTOR when reset? ApplicationCore'VTOR==0x00000000/NetworkCore'VTOR==0x01000000 ?
2. How to...
Hi,
i'm a beginner. now only i start with Segger studio & ble concepts.
i need internal RTC with calendar formats? i have check with the example programs , avail only...
Hi, I'm having issues connecting to the ble_app_ots example application from the nrf connect phone app. I have attached a trace from wireshark, and for comparison what it...
Hello,
I tried the basic proprietary rf code that is esb_prx and esb_ptx on the boards and the communication is very fine. The default set of data that is 0x00 to 0xFF is...
Hey! I'm writing a program for communicating the laser sensor pmw 3610 (pixart) with the micro nrf52832. In the sensor datasheet it is said that the time between sending the...
Hi:
I am an engineer from China. Visiting infocentre in China is quite slow. I found some offline documents for nRF5_SDK in https://developer.nordicsemi.com/ and they are...
As the subject description.
I have already test the official sample buttonless_dfu_app and the secure bootloader already. It could work for OTA fucntion.
And my application...
Hello!
I am new to controller programming. My work at the institute is connected with bluetooth research, so I need to learn how to program nrf52840. My microcontroller...
So I looked at the example of the temprature read and I got the following code:
But the problem I got is with the: while (NRF_TEMP->EVENTS_DATARDY == 0), I don't want...
