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 work with nrf51822. I need to use ble to control several LEDs. The control logic for each of them is the same. I am creating my own service to control a single LED...
Hi,
After we complete a OTA update via iOS in Objective-C we can't get the BLE to function afterwards. Admittedly, I haven't taken a deep dive into it yet but was curious...
Hi we are integrating a ANNA-B112 device from u-blox that use the nRF52832 core. The pin mapping for UART appears to be different for the Software (not open source) that they...
I have a general question that I haven't been able to clearly locate in documentation. How does the processor handle "traffic" jams from within the different app timers? ...
Hi everyone, so I have been trying to enable the nRF52840 to send notifications to the Nordic Connect app via a custom characteristic. The app can detect the custom service...
Hello,
I have an issue opening the power profiler kit 2 on my windows desktop:
Somethimes it works after restarting, but stops working after a few minutes.
After it...
With a baudrate of 1000000, when i transmit 2 subsequent packets (with ACK), i have to put a delay of 0.2 msec or more. Otherwise the second packet will get ACQ packet acknowledge...
We're trying to debug an issue with our nRF52 chip when pairing to some Android phones. On the nRF52 we are connecting to mobile devices by acting as a peripheral for the...
Dear friends,
I used a serial bootloader by this tutorial Secure DFU Bootloader over Serial Link (UART) , i can upgrade my application with the pc nrfutil tool, the nrfutil...
Hi sir,
I have a question for Bluetooth 5.1 single mode. As I know, above Bluetooth 4.0 has single mode and dual mode. Single mode only supports LE and dual mode supports...
Hi.
I'm newer on Zephyr.
I want to use the LOG Output.
LOG_DBG("main.c"); LOG_INF("main.c"); LOG_WRN("main.c"); LOG_ERR("main.c");
Everything works but the color of...
Hi everyone,
I'm developing a new application/product. It will feature a nRF52805 without the LFXTAL but with DC/DC support. I'm developing with the NRF5 17.0.2 SDK.
I...
