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,
We are trying to change Connection Interval when both of Central and Periphera become Sleep mode and either of them becomes Active mode to reduce Power Consumption...
Hello everyone,
My IC description: nRF51822 QFAAHO, which belongs to IC revision 3 and, as the PANv3.0 says, "1V2 + HFCLKarerequested always when the GPIOTE task is configured...
I am using nrf51822 with SDK12.3 + S130 as a BLE peripheral device. I want to pair it to multiple central devices and use button to switch between them.
I tried to filter...
I have designed my own custom PCB with nrf52832 . The schematics of my PCB is attached with this post.
I am programming the soft device hex file but not initializing it...
Hi,
I want to implement Server/Client model light switch where all nodes should receive the state from all.
How can we read the state of one client on another client...
I have custom hardware that is working fine. No issues. I can program, erase, debug with no issues. I have been working on making some changes in the bootloader, and I've...
notification_problem.rar Hi everyone
I would like to send a large number of bytes from nrf51822 to my central device. To be everything reliable and efficient I decided...
Hi all
I have developed my own hardware very similar to adafruit feather nrf52.
I am using the example ble_app_uart from sdk_14.2.0.
The example is running fine on...
Hi,
I am trying to connect my nRF51-DK board to my Windows 7 PC.
But the board is not being detected.
I checked the Windows device manager too and this device is not...
Hi all,
I'm having a bit of trouble figuring out why my project using the RedBearLab BLE Nano board is not working. I'm using the NRF51822 as the hub in a star network...
Hello,
I would like to implement a Vendor Specified Interface Class for use with libusb on the nRF52840 USB.
There are examples of HID, CDC, Audio, etc. But it is not...
Hello,
I am trying to get a BLE peripheral with a single service containing a single custom read-write characteristic.
Unfortunately, any time I initiate a connection...
When debugging a project from here
devzone.nordicsemi.com/.../ (the ready code from github)
Segger Embedded Studio shows err_code sybol not found message in Watch winow...
