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 eveyone,
I try to using ncs DTM example , but I get error reset with following message. what is the meaning for MPSL ASSERT: 2, 80 , I cannot found any related info...
How do I get to the point that I can print a simple "Hello World" on a terminal from a custom board?
I have a custom board the is based on the nrf5340. Specifically, I am...
Hi,
we are working on a nrf52840 based device, which has an external mx25r16 flash (via SPI), having 3 partitions for: secondary-image, mcu-scatch-partition and application...
The informational section of Lesson 6 uses the "Controller/Target" nomenclature for I2C devices, but question 2 of the Quiz requires the use of "Master/Slave" nomenclature...
Hello,
I'm trying to achieve a rather simple program with three steps.
I initialize the SAADC to sample three channels (currently I only have one setup)
I "arm/prepare...
Hi,
In NRF52840, We use LFXO Oscillator (KJ3270001). We did not connect any crystal or Oscillator for HFCLK.
1) What will be the clock source for SPI and I2C communications...
Hi,
We've been working on taking the distance measurements from the nrf_dm sample and displaying them on a waveshare e-paper 2.13 in display. We've been able to get both...
Hi,
I have a project for nRF52 in VS Code. The project was able to compile and everything worked fine. However, after about a month, I reopened the project and now there...
I am developing LTE-M software on nRF9160. Previously, I checked that it runs well with nRF9160DK. Now I try it with my own board.
First, only for testing, I made following...
Hi, I'm trying to set up wireless audio stream using 2 nRF52832 Dev Kits and SGTL5000 audio boards. SDK: nRF5 SDK 17.1.0 For the wireless protocol I've used ESB, and the program...
Hi, I've been trying to modify some of the nRF5 SDK 17.1.0 BLE HID examples to make the nRF appear as a BLE HID Braille Display, that would be recognized in Android's TalkBack...
Hello,
I'm modifying the code of Wireless timer synchronization among nRF5 devices blog to use RTC instead of two TIMERs. I started with the code on Git for SDK 16. Writing...
Hello,
I am trying to interface a TCA9548A Multiplexer on my custom board. I am able to set up the channels and read the channel status' with device_get_binding successfully...
I'm just trying to get my feet under me to write some code for the nina-306 module. I'm playing along, and following the dev academy course. I can't tell if this worked or...
