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...
Dear all:
I found that the nrf52840 flash size is only 1MB, but the size of light bulb load is about 850KB, I have some questions:
1. Does it contains the FOTA region...
Hi
I am trying to use nrf52811 using nrf52840 DK board.
First, I check simple GPIO example working on my nrf52811 based custom boards
Second, I checked the Bluetooth...
How can I execute a command to commission a device for Thread by using the QR code or pairing code? (without using the pin_code or discriminator) Thanks.
Hi I want to run an epaper with the nRF52832 therefore is SPI needed. Board file was generated from scratch. In the devicetree I added the SPI modul and a epaper modul, which...
Hi,
I am seeing a strange issue with nRF52840 Dongle when I run a custom BLE connection test repeatedly. Below is my configuration:
FW in nRF52840 was programmed using...
Hi,
I'm learing how the i2s streaming works using the example "echo" under "ncs\v2.3.0\zephyr\samples\drivers\i2s\echo". I have a prototype board with nRF5340 and the audio...
When flashing the chip with a build from the samples/bluetooth/hci_uart via west build -b nrf52840dk/nrf52840 samples/bluetooth/hci_uart --pristine and west flash off the...
Hi,
Is it true that you can not disable the nRESET pin in any way? (So that the MCU does not reset after nRESET being pulled low.)
I've gone through the documentation...
Hi Team,
We are using SDK 2.5.2 with MFW 1.3.5
We need to download a secure file from amazon, we first tried to download file from public server connecting to port 80...
Hi DevZone,
My customer found that when using the NRF5340 PDM, there is significant attenuation if the incoming audio signal is a 2kHz signal.
Upon checking the specifications...
Hi DevZone! I am developing a Bluetooth beacon that needs to use extended advertising due to the need of periodic advertising. I am using custom board with nrf52820, nRF Connect...
The following phenomena have been observed in an anechoic chamber:
Success : After the bt_audio_stream_start function is called, the stream_started_cb callback is invoked...
Hello,
We applied for some nrf9151 samples and designed a simple development board with reference to nrf9151 DK. However, there was an issue during testing that the SIM...
Hi, I'm having problems with the firmware update of the Thingy-91. I received it from my professor to use for my final project (it has already been used by previous students...
I am developing a Github CI pipeline to automatically compile, sign, and upload firmware images for a nRF52840 device.
Because I don't have direct control over the machine...
