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, I would like to test interconnection between an android phone with nRF Connect (central) and nRF52840 DK (peripherial) in long range mode. My question are:
Does it...
Hi,
I have a problem when i try a dfu on my device for the first time.
To explain, my device is flashed the first time with NRFJPROG, and i flash the SD+BOOT+APP.
So...
Hi,
I have used nRF5_SDK_15.3.0 .
I have tested secure_bootloader example code with Adafruit Feather nRF52 Bluefruit LE - nRF52832 Board . And its advertising and work...
Hi,
I have an application that uses the nrfx_saadc driver to measure voltages. One init-function that sets up the saadc and two channels, and one sample-function that calls...
We are more or less successfully using libUARTE for talking to an STM32 at 1M Baud. It was a long and tedious road to get there, but it looks like we finally got there
The...
Hi,
I have two peripheral devices both advertise the same device name 'R' but have different characteristics. I am scanning and connecting to one of them via central device...
Hello.
During customizing a DFU, but I'm having trouble adding function [nrf_dfu_transports_close] in function [on_ctrl_pt_write].
I'm not now fetching all the c files...
Hello,
IDE: Keil Board: PCA10040 nRF5238 DK SDK: v16.0
I am looking for a BLE peripheral example that connect to an iPhone. As a first step, I would simply like to evaluate...
I have a button matrix (2 rows, multiple columns) connected to an nRF52840. After driving the two row pins appropriately, the first column pin I read (regardless of actual...
Dear All,
for the next revision of our product we've added a RTC / calendar IC with 32kHz clock output and it would be great if I could save some real estate by using the...
Hi,
I'm currently developping a peripheral. This one uses Peer Manager module to handle pairing. This peer manager is configured properly with pm_sec_params_set (as far...
Hi,
I was working with the SPI interface of nrf52DK microcontroller boards and wanted to know if there is a way to change the timings of the low and high levels of the Slave...
I'm designing a solution based on a series of nodes that senses data and has to send it wirelessly to a hub. Each hub must be able to receive data from about 4 to 8 nodes...
SDK: 15.3.0 Device: EYSHJNZWZ (nRF52832)
Please tell me the operation when garbage collection is executed. The setting values of FDS are shown below for reference.
We...
