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...
All nRF5340 reference designs use via-in-pad structure. Instead e.g. nRF52840 has reference designs which can be used with through hole PCB.
nRF5340 seem to have 19 IO's...
Hi,
I'm trying to do a very simple thing - setting those pins as high or low,
but I see that it simply does not work for those pins, I see no change in led state that...
I am using the SLM app from the 1.9.1 SDK.
I connect to my MQTT broker using TLS offloaded on the modem. I subscribe to a topic using QoS = 1 Then if a message is published...
I have been trying to get mqtt to stay connected without activity for more than 30 minutes. any keepalive value over 30 minutes just results in mqtt discoonection. tried with...
On a custom board, I've got 2 inputs connected to an external pullup and a pad. One in is P12, one on P21.
When I short the pad for P12 with GND, that input read low, that...
Hi,
I tried to access Nordic devzone, yesterday and today, but got an error message that "the page cannot be displayed because of an internal server error has occurred...
Hello everyone!
I am trying to figure out how SPI drivers for Bosch bme280 sensor work... I would like to somehow recycle them to write my own SPI drivers for another device...
Hi Nordic,
Using nrf-connect 1.9.99 and Zephyr 2.7.99 (*** Booting Zephyr OS build v2.7.99-ncs1-1 ***)
I am using then nRF9160-DK and everything is fine. Getting 40uA...
I'm running Manjaro Linux and have ran through the installation instructions for the nRF Connect Desktop. I have separately downloaded the Segger JLink software as instructed...
Hi Team, In my project i am using nrf52833 and i have established a network using Open Thread protocol to communicate . I am able to pair my device with the network. One scenario...
Hello, I am using 52832. There is an external interrupt count with a maximum frequency of 1kHz. I have two hardware. One I transmit to the mobile phone at an interval of 50ms...
Hello sir ,
i am trying to build file from given sample code file name is "azure_iot_hub" , i don't make any changes in this file .
on adding build configuration it show...
I have an issue from few days with the nrfCloud.
I am not able to see the live data from my devices.
However historical data is available up to the last sending so the...
I can't quite seem to figure this one out.
We've got the APP_ERROR_CHECK macro on our functions that return NRF errors. When there is a genuine error, the system does not...
Hello, I am trying to communicate with a Bosch BMI 270 device( datasheet ) using the nrf5340dk. I originally tried to use I2C since there was an example file available for...