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,
Just installed nRF Connect v3.4.1 on a macOS Catalina and get the following error message when starting any of the apps:
I've tried both reinstalling and downgrading...
Hi,
I'm making a peripheral device that needs to minimise battery usage.
My device is essentially a beacon but it allows temporary connections to send a stream of data...
Hello,
I have purchased a new nrf52832 DK board for development. I tried to run some examples like ble_app_blinky which are working properly. But when I tried examples such...
Dear All:
Our team are ready to develop a project with multicentral and multiperipheral
The project topology image lists as follow:
I want to ask how many ram it will...
I know this sounds a crazy question but is it possible to flash a custom nRF52832 board with the same firmware that is shipped with the dev kit and create a mass storage out...
Hello,
I am looking to run the ble_app_uart example from the SDK v17 in nRF only mode on the nRF52840 DK. When running the application as is on nRF only mode, it fails during...
I bought nRF51 dongle from mouser.com. I wanted to put nRF sniffer firmware on it using the guide on the web site. I tried using nRF connect programmer but it can not talk...
Dear all,
I've been struggling with SECUREAPPROTECT register in UICR Flash area on a nRF9160 DK.
I would like to restrict and protect Secure code loaded in Secure mapped...
Hi, we have a custom board using the nrf9160, running modem firmware 1.1, and using the nrf9160_gps driver.
Sometimes we see messages like this:
Tracking: 8 Using: 0...
Hello,
When working with an nrf9160 sample that uses Nordic nRF Cloud and A-GPS, the GPS functions as expected and I am able to get regular fixes. However, when using the...
I have used an nRF 51 dongle for capturing BLE packets on my Mac using Wireshark,, but it no longer works. The only system change that I can recall that might affect this...
While working on some problems, I often find it useful to increment a counter at a line of code, and occasionally log the counter for developer debugging. I'd love to have...
Hello,
I decided to play around with an nRF24L01 chip and I'm trying to get it to work on my Windows 10 computer.
My current issue is the following: I've downloaded and...
Hi. I'm writing my own libraries for nRF52832 and I can't get UARTE to work.
Here is my code.
I'm using pins 6 and 8 as the UART example.
I wrote same code for UART...
I'm beginner with nrf chips.
I have a custom board with ntf52840 module. I connect board to stlink via swd interface, then check:
st-info --probe Found 1 stlink programmers...