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'm trying to load the sample project Mesh light using SDK 1.3.0 but cannot load the configuration file properly. Im using a nrf52840DK
I have tried to update requirements...
Hello,
I wanna create a central/peripheral device. This device must be connected to mobile phone as peripheral. Also, it must be scan peripheral device's advertisement and...
In order to implement the event callback mechanism, the Observer Pattern is implemented by "Flash Section". This idea is novel, But what are the advantages of this method...
Hi everyone,
I try to write using I2C but I fail and I cannot figure out the issue
This is my code snippet.
When I run it it returns the following error
It fails...
Hi everyone,
I am looking the TWI examples and I am confused regarding the nrf_drv_twi_tx and nrf_drv_twi_rx . What I've understand so far is that the nrf_drv_twi_tx function...
Hi,
We are developing the project based on nRF52840 chipset. We are configuring the chip for mesh application and using generic on/off model to send the data on the mesh...
Hello ,
There is two kind of clock source as i can see from the sdk files;
one of them is cpu that is ok but for the first one i couldn't figure out it's source "NRF_SYSTICK_CSR_CLKSOURCE_REF...
Hi all,
I've got some code running on my nRF9160dk that is behaving oddly. LED 3 blinks as expected (2 seconds on, 1 second off) but GPIO 10 (pin 18/ULTRASONIC_TRIG) remains...
Hi all, I'm a little blown away by the complexity of logging for this application (its highly likely I'm missing a few key elements to my understanding). I'm under the impression...
Hello, I read the instructions here for using the Nordic NRF Connect app for testing the CTS example: https://devzone.nordicsemi.com/f/nordic-q-a/53382/implementing-current...
Hello,
Hardware: nRF52840
SKD: nRF5_SDK_16.0.0
SoftDevice v7.0.1
I am working on creating a multilink central application where my central device connects to 3 peripherals...
Is there an issue with releasing application firmware, say v1.0 with and then in a following release via DFU, say v1.1 with .
I'm trying to understand if a network has been...
The nRF52832 (QFN package), Pin 44 is listed as "No connect" and has an additional description of "Leave unconnected". Question is what negative affect would occur if this...
Hi
I am unable to configure the nrf52840 dongle in client mode in light switch mesh example. I have changed the simple_hal.h to include the dongle board as /** Boards with...
