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 pretty new to microcontroller programming so please correct my wrongs.
I'm using the Libuarte driver library to have the pca10040 talk to my server via serial connection...
Hello All,
I am using the BE33 (nRF52833 based) module of the Celium Device. I am able to flash the code by using SWDIO and SWDCLK pins. Also, I have tested the BLE advertisement...
Hi,
I am running into this issue when receiving over uart where the byte received is always one byte behind relative to the byte sent by the sender. The byte received is...
I've never been able to get >= 10.13.0 of the nrf tools working. The previous versions work fine on my x86 mac, but there are a series of problems with the newer tools. First...
Hello,
Is there a way to configure mcuboot to allow updates to the bootloader itself? That feature is supported in Nordic's bootloader, but I haven't been able to find...
Hi All,
We are using NCS v1.7.1 on our custom designed nRF52840 board. We have a touch screen interfaced with I2C to our device. There is one more controller connected on...
I am making a "program that keeps multiple software in Flash ROM and reads arbitrary software according to instructions".
When I open the hex file with a text editor, the...
So i have my nRF5340 DK and have been pretty successful in getting my Mesh working with some Thingy:52 devices, some Adafruit Feather devices and some Sengled Lamps.
Groovy...
I am trying to read from the LIS3MDL sensor using spim on the nrf52840 dongle. I gave the rx buffer with the length of 7bytes. Whenever i tried to read from the sensor, I...
Speaking with various MVNOs, not all carriers support PSM or eDRX when roaming, so I am interested in the time and wattage consumed transitioning from PSM --> to ready to...
Hi,
I want to connect "nRF52840 Dongle" via SPI to an 6-Axis IMU (Adafruit ICM-20649 / InvenSense). The collected data (cycle = appx. 10ms) should be sent out with BLE to...
Hi.
A simply question: i want to get data on " LL_VERSION_IND" control PDU from peer. Example: my device is slave, after connecting to me i want to get LL_VERSION_IND data...
Hi,
When will you release the SDK for the PCA0054 (12 antenna array) with nrf52833DK?
Specifically, code that supports more than 1 tag detection
If full SDK is not available...
Hi,
I have worked on a lot of projects on nRF51/52 devices. But still i do not understand why exactly should we use custom/multiple services for each kind of data (like...
Hello,
Having now finished the BLE and I2C sensor my final stop is the SPI sensor before production. I can rebuild and successfully run the ncs playground example .
My...
