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 am working through the tutorials to understand how to better use the SDK. I am currently on the Advertising tutorial and have gotten a strange error that doesn't...
I'm developing an accurate and low drift millisecond-resolution timer on the NRF52. I'm limited to the resources on the NRF52 itself. Details of the system:
Initialise...
Is there anything special required to make a n52832 work the very first time the chip is programmed? Fuses to set, etc?
I'm new to nordic chips and I was handed a board...
While creating a DFU bootloader based on the bootloader_secure_ble example, I was having trouble getting a device to boot into DFU mode.
Initially the device would get...
(Sorry for the formatting. I don't know what's going on with it--the preview looks ok!)
I'm creating an application that uses
a modified version of the ble_nus
example...
Hello guys,
I have problem, I activate the BLE and connect it to my tablet application until then nothing wrong happens. But when I use sd_ble_gap_disconnect() to disconnect...
I plugged my nRF52 evaluation board to PC using a micro USB cable, dragged a ble_peripheral hex file from Nordic examples to the mounted JLINK drive, started up nRF Connect...
Hello,
I am using nRF SDK 12.2.0 , with nRF52832 on pca10040 hardware, and working with the example in examples/peripheral/spi/main.c to develop a driver for LIS2DE12....
In nrf51422, what is the behavior of these registers when an external rail-to-rail clock source is applied?
Do I have to issue HFCLKSTART? If
not needed, does issuing...
Hi,
I am testing the light_switch demo of the nrf5_SDK_for_Mesh_v0.10.1-Alpha_src.
I don't have 32kHz osc on my server board, so I have to change the clk config. I config...
Hello, guys,
We have developed our first generation product with 51822(16KB RAM, SDK10, S110V8.0) as peripheral , and we are always facing the problem that the connection...
hi
I am using peer manager to pair and bond android phone to nrf52840. I want to give custom peer id to this phone during bonding process, then if i lost this phone i will...
Hello,
I am sending a float in my BLE payload, using nRF Connect I can sniff and see that the value is being sending, it changes every time.
However, in my central when...
