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,
I'm trying to write multiple compile time constants into the UICR (from the boot loader project). Currently I'm writing the boot loader addresses (start address &...
I want to update NCP application in the field. NCP is attached as USB device on Raspberry pi which act as border router.
I am using open bootloader ( pca10059_usb ) and...
Hello.
We are currently developing PCB design of smartwatch with RF Nordic nRF24 chip, Johanson small ceramic antenna (P/N 2450AT42B100), and capacitive Touch Switch (AT42Q1012...
I am using asset_tracker as the basic program and basically it is running fine and sending data to the RF connect web page.
However approximately every 30 minutes I get...
I am looking for a simple example for I2C write. The TWI sensor example is not clear.
It would be great to have an example like the basic SPI example
i.e.
How to init...
Hi, My company is interested in doing bluetooth beacon location tracking of android devices for a VR project. I notice we can easily purchase bluetooth 5 beacons on amazon...
Hi,
I am trying to migrate my project file from Keil 5 to Segger Embedded Studio (SES).
After porting all my source code and configuration files, SES is able to compile...
Hello,
I want "nrfutil" CLI tool (To perform DFU OTA of BLE) for one of my device which is based on i.MX6ULL ARM based processor 32bit.
I found that using "pip install...
Hi,
I am using nrf52840 chip, there is Thread and iot coap library, and movement sensor. When sensor detect move, pin call interruption and send coap message.
Voltage...
Hi all, Within my application I've followed the example/fstorage to the letter however upon requesting a flash write to the s112 the nrf_fstorage_is_busy() function loops...
Hi,
I am working with nRF PCA10056 evaluation board and using SDK 15.2.0. I am using nRF52840 as a central scanner, where it will scan broadcast data from beacons.
I want...
Hello,
I'm having problems with resuming usbdevice from susspend state. I'm working on SDK 15.2 with SD140 (6.1.0). on custom board with nRF52840 IC rev. 2.
My application...
Hi, the power LED no longer turns on on my nRF52840 DK board. The board is still advertising when it is connected to a power source and I am able to connect to it with a mobile...
I'm trying to add PDM into my project but can't get it to compile. When I try to call
I get the error "main() undefined reference to `nrfx_pdm_init'"
This looks like...
