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 everyone,
I'm wondering on which plateform / app and how is it possible to read and retrieve the data sent from a nRF52833 Slave to a Mobile Phone (Master) ?
We have...
Hello i am working with the example ble_app_uart and i have created one new service and two characteristics. The firmware was working fine with no errors. However my computer...
Hello,
What is the difference between 2 devices which are constantly scanning and 2 devices which are connected? Also, how do I code 2 devices to connect to each other?...
BLE Hello,
In my project i want to send the data from the nrf app to nrf52832 device and i don't know how to interface it with RPI compute module once the data received...
Hello, I have a question.
I am developing with nrf52832 (s132 v7.0.1, SDK v17.0.0) as a peripheral.
I have a question about the output time of the advertisements. The...
Hi,
I am develloping product witch ICM20948 and need to use magnetometer. I tried to move some existing and working code for arduino. I was able to get data from magnetometer...
Hi,
Our customer is optimize the size of flash used of nRF5340.
They are curious whether the definition in autoconfig.h are all used in the image? or some of them are...
I am testing nRF5_SDK_17.1 examples/dfu/secure_bootloader/pca10040_uart_debug
After I run on SES. I got this memory map. It overlaps softdevice area.
With armgcc ...
How do I use printf to output my own messages, and read incoming data, from a UART port that is separate from Zephyr's debugging outputs? This UART line will be connected...
Hello, we are trying to get software running on our custom board.
Last week we tried to test the software written on a development kit of the NRF9160 on to our custom board...
Hi.
I'm trying to add a SPM partition to my project. Like another project i did in the past, i followed this guide: https://devzone.nordicsemi.com/guides/nrf-connect-sdk...
We would like to know there is any direct test mode for TX power of NRF21540DK.
We only found the method of nRF52833 direct test(TX). But we can find how to do with NRF21540DK...
Hi,
I wonder how to use the internal capacitor of the nrf5340.
The nRF5340-DK operates at 32M=8pf 32.768k=9pf without any special settings.
If i use 10pf products for...
Hi,
I'm porting firmware between nRF52 and nRF53 platforms. What is the equivalent of NRF_UICR-> CUSTOMER on nRF53 to keep data like serial number etc.
Thanks
Sebas...
We are developing a custom device based on the nRF9160 SiP Revision 2 with multiple connections over LTE-M and we are experiencing problems with keeping our only TCP connection...