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...
I have the following code. I need to add a second counter attached to the spi_end_event. The first counter "count_task" is working, but can you tell me how to get "count_task2...
Hello all,
we have currently a problem with writing to a custom chracteristics in nRF52832 with softdevice S132. When the characteristic is written, we get responses only...
Hello, i am making a "simple" project, the goal being changing the duty cycle of the pwm depending on saadc sample value. My goal is to sample audio, process it ( low pass...
Hi,
I am implementing a keyboard with nrf52832 + s132 from sdk 15.3.0. Recently noticed that when trying to pair the device with a Windows 10 laptop and it keeps saying...
I'm using the CMake scripts in the Nordic mesh SDK to build my project, as the project uses CMake libraries. I want to determine the RAM usage of my application. I saw this...
Using J-link programmer, I try to figure out how to set some kind of security bit to avoid 3rd party reading code from flash.
If you could please return me a helpful link...
Using NRF51802 power-on reset failed, I have to manually reset each time, the program will start running.
The following are the information that may be used.
1.Schematic...
Hello.
In last couple of days I've been trying to figure out how the whole SDK is structured and how to start developing essential applications using the Segger Embedded...
Hi , so I witnessed this weird phenomenon:
When I use the simple On-Off-Model (as a base for a custom vendor model) in the switch application, the handle_set function in...
Hi,
We use Mesh SDK 3.2.0 and 15.3.0 SDK
We were developing a LPN example and we ended up having a bunch of models on the node which increased the composition data size...
I have a device with a Secure-DFU bootloader on it. I was wondering what it would take to OTA update it to the Mesh-DFU bootloader.
Some background around the use-case...
Hi,
I'm using the lighting example within the nRF5 SDK for Mesh. I'm using a static provisioning, one light client and one light server. Both the client and server implement...
When configuring a BLE mesh network, one have to set a netkey. Are there any requirements for generating this key or can this be any random sequence of numbers.
Hi Dears,
I am using the pc-ble-friver-py-0.1.0 for the nRF5840-Dongle development, I have an issue with the ble scan:
I used the function ble_gap_scan_start to aotu...
