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,
Good day! I hope everyone is doing well.
I have a weird problem measuring Li-ion battery pack voltage.
Problem: Tried to measure battery pack voltage 12.6V using...
We're struggling a bit with our NFC implementation. We were using the T2T library, using the examples, and it was working fine. However, we saw current drain at ~ 400uA, which...
Currently I am testing the coap_client and https_client sample application with nrf9160 based custom board. But the board is continously resetting while searching for the...
Hi there,
I was wondering how the motion pane is supposed to work in the bifravst app, it doesn't seem to be refreshing. The battery pane doesn't seem to be refreshing either...
Hello.
I'm reading the documentation of the radio peripheral of nRF52832 but I can't find any information about the S0 and S1 fields.
What are those fields? What do they...
Hi, guys. I'm using the PCA10056 and the SDK 15.3's BLE UART peripheral example. I'm working on a PWM controller using the mobile app.
I need to create a delayed PWM signal...
My current project is to build a simple BLE LED controller. The goals of this project are to familiarize myself with lower level modules and to practice designing/building...
Hello,
I'm trying to create a project from scratch and write my own drivers. I have strong background in C but unfortunately I don't know anything about assembly. I could...
Very strange, I have lots of nRF52x experience, but this one has me stumped.
Successfully updated our custom board/application from nRF5_SDK_15.0.0 to latest as indicated...
Hi all, I apologise for this very basic question, but I don't understand how to add/enable RTT debugging to my code. I want to practice writing basic code for the NRF5 SDK...
Could you please advise me regarding BLE security?
For security purposes, UUID data shouldn't be included in the advertising data package?
If we don' t put UUID in the...
Hello
My custom board has only 1 button and I'm trying to detect 3 button clicks. The first click is waking up the device and the other 2 are configured as BSP_EVENT_KEY_0...
I have a setup similar to this
When the callback is executed, the execution will enter the inbuilt_key function and then the output will stop and the execution will halt...
I'm using v1.2.0 for the nrf project and I am fairly confident I am using modem firmware 1.1.1 (though I don't know how to verify that).
I'm basing my project on "cloud_client...
Hi,
I am evaluating the ble_app_hrs_pca10056_s140 project with nRF5SDK160098a08e2 Dev kit and nRF82540 dev board.
I have put a breakpoint in line:
*p_erase_bonds = ...
