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 all,
i want to know answer related to following question
1)what is use of uicr?
2)if i place some value in uicr and then change the image,then is there will be change...
It used to work, but now it says "Connected" but the rest of the GUI never changes and the mouse just shows a busy spinner. Here's the log file:
0;13:45:18.9900 [MainThread...
Hi, all
I added a scanning module to the example 'ble_app_uart.c', so each one works well.
What I want to do is advertising and connect at the same time while connected...
What is the best practise for multichannel SAADC conversion in ultra low power devices? For example I have to measured 4 channel in interval 250ms. Below what I try:
...
Hi, Dear Nordic & all:
when I run the ble_app_hids_keyboard example in nrf52820(SDK17.0.2), I meet a question:
1、Frist I use my iphone connect ble device and pair success...
Dear Nordic:
so I want to know In nRF52 serials chips, How much HFCLK CONTROLLER ppm is the frequency offset distribution and production FT control range? Do you have any...
Dear all, now I am making a data sampling system with multi peripherals and one central. The peripherals sample data from sensor via SPI port and transmit data to the central...
Any SSD1306 example for nrf51822 ??? I found this but is for nrf52.. i try to add it for my nrf51822 but there are tons of functions with different declarations in my sdk...
I have nRF5340dk board and my question is that can I use only networking processor to run the BLE applications? If not why? As the Radio hardware is only connected to networking...
Hello , I want to read analog values from potentiometer using analog pin P0.04 (A0) on nrf5340 with zephyr ecosystem . Where can I get beginner documentation like setting...
Hi,
I'm a beginner, and currently working to implement a low-power controller using nRF52-DK and Power Profiler Kit (PPK).
I ran the following codes (system off) and expected...
I have setup a 1-1 paired central(+peripheral) <=> peripheral Central is a 52832, SDK 16.0, SD s132 v7.0.1 peripheral is a 52811, SDK 16.0, SD s112 v7.0.1 My code is based...
in this example
/root/ncs/nrf/applications/serial_lte_modem
I want to build_nrf9160dk_nrf9160 in secure mode
but compile error #ifndef CONFIG_TRUSTED_EXECUTION_NONSECURE...
Hello,
I am confused on which plateform I should use to program my nrf52832 chip.
First it is advertised to use Segger Embedded Studio that I am trying to configure...
Hi all. I am using Keil for programming a nrf51822 & SDK 12.3 I want to use the SSD1306 OLED Drivers in my project I follow these steps: 1) I copy .c and .h files form github...
Hello,
Im using a NRF52840 custom made board and im having some issue with the I2C communication. There are 3 units on the I2C line, the MCU and two sensors, the diagram...
Hello,
I am doing a project for college with nRF52840. It's about a mobile phone with an app that send the location of the device when a user touch a button. This message...
