I am working on the proj that needed 2 MCU and nrf51822 work as slave.
I would like to know any ref on how to firmware upgrade on board without external tool?
We're looking for a Nordic nRF51822 based low profile/small USB dongle that we can use for our iBeacon software.
It would need to come complete with casing and the ability...
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,
trying to get CAN-bus support under Zephyr. Have a seed CAN bus shield link connected to PCA10040. The shield use SPI2 connected to MCP2515 CAN controller link ...
Hello
Is it possible to use the qspi of the nrf5340 for custom spi devices? I need the quad spi for the 96MHz speed which the normal spi does not have.
I know of the nrfx...
Hi there,
I am using the Nordic SDK 16.0.0 on an nRF52840 with FreeRTOS. I am quite familiar with using FreeRTOS, but hadn't needed to delete a task until recently. It seems...
Hi everyone,
How could I disable notifications from a characteristic when the peer is get disconnected from the the peripheral? My problem is that when notification are...
Hi,
I was investigating the registers of the nrf9160 using segger embedded studio and found POFCON, which is not mentioned in the documentation.
Can you provide...
I need to add some IPSO objects for our project. It is not quite obvious to me if I need to create modules similar to i e ipso_temp_sensor.c or if it would be enough to use...
Hello, guys!
We are desiging our custom board based on nRF9160 SiP. The board will be battery powered. Li-Ion rechargeable batteries will be used to supply the device. ...
Hi to all,
i am developing a device based NRF52840 soc, and i want to implement a device that need to store some public/private key in somewhere. i know that cryptocell...
Hello,
I am developing on the NCS 1.4.0 and on a NRF9160DK. I am working on the asset_tracker example and I noticed that the code sends an assisted gps request to NRF...
Hi,
I am using app_uart library with Tx and Rx FiFo. I want to check how much space is available in the Tx FiFo at any time, and similarly how much space is filled in the...
Now I am using Nrf52832,SDK15.0.0, S132,
When we developed the DFU OTA function APP, we encountered some abnormal situations: it could not get out in the bootloader mode...
HI,
I am trying to read the payload length of the data coming in a topic via MQTTSN over OpenThread. In the event handler, I am getting the event and trying to get the length...
Hello everyone
I am having a problem with the nRF Connect SDK 1.3.2 and the bluetooth peripheral UART sample on the nRF5340 PDK. The programm compiles and runs (the chip...
