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...
UPDATES after original posting:
I now remember having the same problem described below, once before on my windows installation. At that time I decided to switch and reinstall...
I'm working with the nRF5 SDK v15.3 and a nRF52840 Dongle; developing on Keil uVision V5.29; Compiler: Armcc V5.06
While debugging I that in my programm a NULL pointer was...
HI ! I found an error in the source code because of which the db discovery event handler on DIS client does not work, namely: in the function ble_dis_c_on_db_disc_evt () ...
Does it cause issues if the application was built with a different SDK level than the bootloader? I have a project I'm adding a bootloader to, and it isn't working. I have...
SDK 16, 52810
my board has done the change as the 52810 spec says about dcdc part. Now I wonder HOW do I enable it in my code. Somewhere it says to call sd_power_dcdc_mode_set...
I want to measure the current during sleep,so I write my code as follow:
I queried the manual data that the current is 1.5uA, but 14.0uA is my measuring result. So what...
I am testing the serial interface to BLE messaging using "Bluetooth Mesh Packet Send Opcode: 0xab" - it's working very well. However I have found one thing that is puzzling...
Hello there,
I am working on secure dfu. I followed all the steps mentioned in this post and successfully created the secure .zip file.
Here's what I did(In this order...
First time I programmed the BMD 300 IC ,it got programmed and worked good.After some days later I tried program the board, But the previous code was present in the mcu, i...
When using nrfutil to upgrade the app for 52840dongle, you can see the data shown in the figure through the USB analyzer. The highlighted one does not quite understand the...
Hello,
I'm working on an nRF52832 with SoftDevice v6.1.0 and SDK 15.3.0. We have made a custom application that was created from the ble_app_uart example project. We've...
I inserted code.
OUT 0x04 endpoint works, but 0x84 IN endpoint doesn't.
I use libusb from Linux PC to communicate with nrf52840 via USB. At PC I call function "libusb_bulk_transfer...
I am not able to find the schematics of the development board.
The info center redirects me to the download page of the nRF52840-DK but there are no schematics in the drop...
