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 did have a working development board. I was working to disable serial and disable as much as possible to get the power usage down. It seemed to be working (although...
I tried this using the ram_retention example from the SDK (nRF5_SDK_15.3.0). The example (Ram Retention) still seems to work if the lines concerning NRF_POWER->RAMON and NRF_POWER...
Hi,
our appliction need to using I2S worked at 96kHz sampling, and i find two parameters , MCK and the CONFIG.RATIO,but when i use this formulation:
LRCK = MCK /CONFIG...
Hello,
I think about connecting two central devices (nRF's 52840) using one common antenna. One device will be only RX and will scan for a advertisements, second will manage...
Hi, I am from China. My company made a BLE module with chip nRF52810. Recently , I coded a program for it by SDK12, based on ble_app_uart example. I modified the corresponding...
I have setup the nRF52840 DK as below
https://devzone.nordicsemi.com/nordic/nordic-blog/b/blog/posts/how-to-setup-the-thread-demo-displayed-live-at-google-i-o
Setup WireShark...
Hi,
We are currently going to try and implement FOTA/DFU with an nRF52840 controller and an nrf52832 peripheral. Is there any example for how this can be accomplished...
Hi,
I currently have a nRF52840DK pre-programmed with the DFU over BLE, but with the debug version. I am unable to physically get to the device, if I wish to perform a...
Hello,
We are using the SPIS on the nRF52832. We are seeing a higher than expected consumption when it's enabled and not used.
I measure around 7uA extra when enabling...
Hi:
I test the system off mode, I attached a micro vibration sensor. Pulse generated when shaking as follow.
the button config is BSP example default(toggle) , i try to...
Hi,
I am testing the blue_app_uart example and I want to send data
from my smartphone uart terminal app,back to the nRF52840 DK,
Nothing is being received by the segger...
In the latest Mesh SDK, nodes are subscribed to a GROUP address. In previous versions - 2.0.0 I believe - you could also send to a predetermined node.
I am trying to figure...
Hi I am reviewing the nRF52840-DK hardware documentation to make boards with good antenna performance.
Q1. I have divided it into three areas as shown below. Is my understanding...
Hi,
I have been trying to use Keil MDK's Middleware File System with my application. However, when I try to set the Software Component under Manage Run-Time Environment...
