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...
Hi
I have custom board with nrf52832. I have lion batery and 3.3V ldo for powering device. I attached shematic.
For preventing lion battery decreasing below 3V, i used...
We're thinking about implementing a machine learning algorithm in our nrf52832 based product. Before starting implementation, I would like to estimate the power consumption...
Hi.
I would like to route the BLE SPI signals to an external connector for use with external debugger.
Please specify which the nRf52832 pins are by default assigns to...
Dear Nordic Support Team,
I want to integrate ble_app_uart_c and ble_app_multilink_central into a nRF52840 as an edge gateway, and the nRF52840 node communicates to the...
I try flash read, write and erase with flash_fstorage_example sdk 15 on nrf52 dk
On main.c i can write and read with nrf_fstorage functions.
When i try nrf_fstorage_erase...
I try to use SDK15/FreeRTOS project.
I measured current comsumption on IDLE state(not run any task).
It's take about 200uA.
On FreeRTOS's portable/CMSIS/nrf52/port_cmsis_systick...
Hello there,
I purchased some NRF52832 Development Kits and some NRF52832 Standalones. I wrote some code and flashed it to the development kit and it worked. Otherwise,...
Hi all!
I'm using the fanstel board. I can see that the "ble - uart" examples run ok.
In the code the configuration assign to P06 (Tx) and P08 (Rx) , when i look in the...
I'm implementing an application which uses the Secure bootloader with bonds. What happens if I create a bond to a device in application mode and then switch to bootloader...
We are designing a circuit that will be supplied from lipo battery, vddh. I am wondering how decoupling capacitors on vdd will impact as it is suggested (in errata 202) to...
We are using pc-ble-driver-py on our Ubuntu host machine which is connected to the nrf52832 running connectivity firmware and we are able to run the examples, how could we...
Hello,
I have got a quick question regarding a potential workaround-setting for the BLE_HCI_DIFFERENT_TRANSACTION_COLLISION-error.
Here is what I am currently seeing:...
Here i am attaching the my working code of the application.in my application i am using the two peripherals one is TWI and onther one is UART.i interface some sensors with...
I have a wireless project. Requirements as:
Support platforms: Desktop/Laptop and mobile, Pc/Mac/IOS/Android. etc.
many connections: flexible but can support 100+...
We are programming our nRF52 based boards through USB via the P20 connector on a Nordic nRF52-DK board. However when there is a problem with our board, e.g. if it did not...