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,
My behavior is as follows
Turn on my device(use 51422) and advertising(2 Service and 3 Characteristic)
Turn on my cell phone(Samsung Note3),scan my device...
Hello:
I used analog IIC write MPU6050. Again after power download programs, mpu6050 can run up there ACK response. But the debug will not run. Simulation IIC because no...
Hello!
How can I communicate with my nRF24L01+ and nRF51822 at the same time. I can set up same channel, CRC-mode and I don't use ESB. But what about address? How do I set...
I'm working on adding encryption to the secure bootloader in SDK v16.0.0. I've based my changes largely on the framework and code provided in this thread . I believe I have...
I have had several problems with signing images, so I'll start with something simple, and I hope you can bear with me as I get to my final goal which is to OTA (which I am...
Hello, I have two nrf52840 dongles with CLI FTD example programmed on both dongles ( https://infocenter.nordicsemi.com/index.jsp?topic=%2Fstruct_sdk%2Fstruct%2Fsdk_thread_zigbee_latest...
Hello,
I am currently working on interfacing an e-paper display with the nRF9160 dk using SPI protocol. After some reading I was able to set up the prj.conf, overlay files...
Hi,
I am trying to use the SPIS 1 on the nrf52840 but when i compile the program i get the following problem:
Rebuilding ‘zephyr/isr_tables.c’ from solution ‘build’ in...
Hello, I designed custom board using nRF52832. BLE Blinky code is working after uploading. I can able to see my ble with NORDIC BLINKY app and I can control LED. But while...
Hi,
I've had my share of problems with upgrading from SDK 1.3.1 to 1.4. Now I noticed that my app crashes randomly when I am downloading FOTA image with download_client...
I know I am going to regret posting this question, but I need to ask it.
I have an application that will be put into the nrf52840 chip. It will not be upgraded over the...
Hi all, I'm having this really strange issue with the wrong hardware+software+soft combos... Last week I merged together a program that incorporates the following: SDK15,...
I am about to start a new project for the nRF52840DK using SES in Ubuntu 18.04. I would like to start with an existing application but I don't want to change the original...
Hi,
I just want to make sure about this post
https://devzone.nordicsemi.com/f/nordic-q-a/42170/is-temp-anomaly-31-applicable-to-nrf52832-qfaa-0b
static __INLINE...
Hello,
I am using the serial output logging (via UART) via the following calls/macros:
NRF_LOG_DEBUG ( " test");
Now I want to get also serial input (data from PC to...
Any idea or example for easiest way to print rotated text (only particular text, not the whole display) and inverse text(only) foreground/background colors?
Thanks
I use the nordic nrf9160 for a litle bit of time now. I had a problem and i had to re dowload the sdk tool manager. Since i tried hello world sample, asset-traker and other...
Hi
We used one German SIM card(1NCE) on both of our product and 9160 dk, in both cases the recv() hangs after the downloading started at some point. I tried all nrf sdk...