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...
I used the "Toolchain manager" in nRF Connect for Desktop v3.5.0 to install nRF Connect SDK v1.3.1 on a macOS Catalina 10.15.7 system. This installed SEGGER Embedded Studio...
hi,
I am using nrf52840 (in a Laird module) and trying to advertise such that legacy BLE 4 mobile devices can connect. Only BLE 5 mobile can see the device (running nRFConnect...
Hi, I have a problem with the reset pin not working on the nrf52811. The firmware was developed on the nrf52840dk board and now that we are migrating to the real nrf52811...
Hello,
I have one SPI instance (instance 3, but have tried others) reading data from an ADC. It's reading data from an ADC triggered by a DRDY signal at 25khz. I setup a...
Hi,
I just enabled the CONFIG_BOOTLOADER_MCUBOOT=y for serial LTE modem application to understand the flash partitions and to perform the serial DFU(not sure if its really...
Hallo, using nRF52840 DK with Keil uVision 5.30, I try to debug the example ble_app_uart in the folder ble_peripheral, pca10056, s140. Compilation is OK, erase/programming...
please help me
I was working with LPCOMP when I set up lpcomp like above, even though I have set my comparator but just impacting anything on the AIN2 pin...
Hi,
I am using nrf52832 mesh board.I want to unprovision the device by pressing the button on the board.In the lc server example they handled it in rtt as it dont have hal...
Hello everyone, I am Smit and I am an IOS developer.
I am stuck to write data into the BLE device. Can anyone please help me out with this? Can anyone tell me how to do...
Hi,
I used the command line to install the toolchains as follows:
sudo apt install gcc-arm-none-eabi
It then installed version 9.3.1 of the tools on my Linux ubuntu...
Hi,
We have implemented a custom Watchdog Timeout handler, where we do the stack-dump. It has worked fine and we were able to analyze and fix the Watchdog resets. But...
Hi,
We are using some nRF52 DKs for debugging and programming prototype boards. Everything went fine until we wanted to expand our testing setup and got some new nRF52...
Hello team, I want to use Normal Sleep mode that is (__WFE) normal sleep mode in NRF51822 using MBED OS 2. But, when ever I am using this method, my code has been waiting...
SDK: 15.3.0 SoftDevice: S132 Device: EYSHJNZWZ (nRF52832)
The following vulnerability "CVE-2020-10135" has been reported by the Bluetooth SIG. Will this device be affected...