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...
Hello,
I downloaded the recent SDK 14.2.0 and installed nRF5x_MDK_8_15_0_IAR_NordicLicense.msi included.
When trying to load the ble_app_template in the dev kit I don...
Hi,
I have a custom PCB board with a nRF52832 and a motion sensor.
I cannot use a signal analyzer on the output from the sensor because of the shape and small size of...
Dear nordic employee
my purpose is send a data the length is from 150 to 273
when my server device send data by sd_ble_gatts_hvx（the send length is fixed 10 bytes） ...
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...
