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 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...
Hi there
I'm struggling with the usbd_cdc_acm example.
I want combine the ble_app_uart and the usbd_cdc_acm example to use my ble central role with nus and usb at the...
Hi everyone, I have been using for a while the Adafruit nRF52 Feather board, programming BLE related apps using the Arduino IDE using the Bluefruit library for BLE.
I wanted...
Hello everyone, I have a custom board based on the QIAA layout, when i try to flash the bluetooth beacon example from the zephyr samples directory, the board does not advertise...
I have implemented a project that incorporates the 802.15.4 radio driver for use with a in-house developed router stack.
The implementation appears to work fine between...
Hi,
I've been working on UDP comunication so I looked into an example posted in the devzone that uses UDP (fetch time over NTP). I'm able to build and flash this application...
Hello,
I want to change the channel mask of the advertising channels like this
m_advertising.adv_params.channel_mask[4] = 0xC0; // only Channel 37
and sniff it.
I...
Hello I am a new user in the BLE world.
I am using the nRF52 DK board and trying to program it via PlatformIO by visual studio code i.e coding with arduino programming C...
Hi,
I'm looking for some design guidance on how to properly secure the device, code, access tokens etc.
- Does secure boot protect the device from being re-flashed...
I am using BQ25120A with nrf52832, but when I power up the nrf52 with battery then it continuously reboots. What is the reason behind this and how should I overcome it? Initially...
I am by no means a software expert, but I am pretty decent but I am having a hard time wrapping my head around the SDK/HAL and getting a project going. I see the examples...
Hi:
We has a device use the hid keyboard and privacy gatt Service. Now we development the app with Android-BLE-Library, and can not to resolve some question.
1. While...
I have successfully added an event handler for managing if a write operation is performed on a characteristic, but how can I know that which characteristic has been written...
