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...
In my product, the nRF52810 module is kept in system ON sleep mode until a user intervention is executed, upon which the module wakes up. But while in sleep mode the app_timer...
hi all, i'm using 52833 for direction finding, applying nrf_connect SDK into it. i'm intend to develop a direction finding project. i had meet some technical issue on [bt_df_set_adv_cte_tx_param...
Hello,
I'm using the nrf5 sdk 17.0.2.
I'm wounder why the current API of the nrf_queue doesn't implement a peek with random access? I know by definition a queue is a collection...
Hello everyone
I'm developing a software which should use the latest OpenThread version and if possible in the form of prebuilt libraries. I followed the tipps and instructions...
I try to execute the PWM settings via the library in an extra .h/.c file to keep my main method as small as possible. Unfortunately the program sticks in the ErrCheck and...
I am currently designing a circuit with the NRF5340. This circuit will be alternatively supplied by VUSB when connected to a USB port and by a 1.8 V power supply to VDD when...
Hi,
I am using nrfconnect to debug my application code. i have an application code with 9 services in total and it is working fine as expected.
Now the problem is, if...
I have a freeRTOS based system and my Logging Thread, which is based on the examples has odd behviour when used in conjunction with the WDT. When I first program the board...
Dear Nordic,
I am adding the NUS to a firmware that already runs a custom service. I based my code on ble_app_uart. It fails during init, when it calls ble_advertising_init...
Hi guys:
a. I use a uart dfu bootloader(loacation: SDK-location\nRF5_SDK_15.0.0_a53641a\nRF5_SDK_15.0.0_a53641a\examples\dfu\secure_bootloader\pca10056_uart) in 52840 soc...
What is the ADC internal reference voltage (0.6V) tolerance at room temperature and over the full operating temperature range?
Or is it same as the value specified in the...
I am using NRF52840dk boards to make an openThread mesh network with CoAP. There is an example in NRF-SDK for coap client and another example for coap server. I used them...
I know there is an ongoing global semiconductor crisis. In the products, we decided to switch to NRF52/53 family products as core MCU. However, we're having hard time getting...
Hi,
Currently our system is using printf() to print some debug messages to the Segger debug terminal. Now we would like to reroute these messages to a UART port.
We are...
