To be able to upgrade FW through UART, a bootloader for nrf51822 is required in my project. I have tried out the example bootloader in SDK. But this example is using softdevice...
I followed the forum posts and nan-29 to get eclipse 4.3.2 to successfully connect to JLinkGDBServer via a Segger J-Link EDU on Ubuntu Linux.
I can start the GDB server...
I'm using Softedevice 6.0.0 and SDK 5.2. and Keil 4.7.
I Modified bootloader project so it compiles with both ble and hci transports. Currently I use button_0 and button_1...
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 support team,
my nrf52840 is acting as peripheral and my mobile with nrf connect is acting as central. after the connection i am able to read and write my device name...
Hello Nordic Team,
A quick one to let you know the links on the frontpage of the NRF SDK are either broken or completely cyclical.
if you click on a link to a particular...
There is only one constructor for type BluetoothGattCharacteristic in Android SDK
BluetoothGattCharacteristic(UUID uuid, int properties, int permissions)
Does the...
Dears,
I would like to implement a solution for multi-nus(peripherals) to connect one ble_app_multilink_central(centrals). Is it the right way to implement multi-nus connecting...
Hello, I am trying to set my own BLE service, and on the adverstisement initialization I get an error 0x0000000c when calling to ble_advertising_init() .
Why does it mean...
I'm trying to implement a BLE Central device on an STM32 using Serialization to connect with an nRF52-DK board; I've previously gotten a BLE Peripheral working on the same...
Hello All,
I want to write the peripheral code which will send sensor reading to central.
For that I started looking into the Uart_Nus peripheral code from SDK.
I tried...
Hi,
We have a BLE Tx (Transmitter) and BLE Rx (Receiver)
BLE Tx : Nordic nrf51822 (Role: Peripheral, Server)
BLE Rx : Other chip (Role: Central,Client) ...
Hi
We are seeing a significant delay in a flash-related operation on the nrf52840, specifically using the function sd_flash_page_erase() When we use that function to erase...
Hi,
I just changed the ble_app_hrs_freertos example from SDK v 14.0:
APP_ADV_TIMEOUT_IN_SECONDS to 5 seconds in main.c
Enable debug log for various components...
Hi,
We tripped on an odd bug: we were getting corrupted data from flash if Keil's C51 compiler used a MOVX instruction instead of MOVC.
Changing the pointers from generic...
Hi Nordic Devzone,
I want to send a packet using send_reliable_message periodically every 3 seconds(using nrf_delay_ms for that) but i get
NRF_ERROR_INVALID_STATE (in...
Hi,
we are working on device that will have Bluetooth in it.
It uses 3rd party Bluetooth module, that is qualified from manufacturer of module.
We are making all CE, FCC...
Hello All,
I am just beginner with Nordic SDK.
I want to send simple hard coded string from Nordic UART service from peripheral to client.
I just tried the below program...
I happened upon this blog post from Estimote where they claim to have increased power output of the NRF52 to +10dbm.
blog.estimote.com/.../updated-location-beacons-200...
