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...
Hi everyone,
i wrote a dockerfile with all nedeed dependencies and toolchain setups for software development of nRF9160DK. I would link to use Visual Studio Code running...
Hi Team,
We have a case open - 285055 - where we raise issues about some data being rejected from your nrfcloud platform. As a secondary investigation we are looking at...
Hi, I've just read this allocation guide and I was wondering what the "PH" in RAM_PH_START, RAM_PH_SIZE, FLASH_PH_START and FLASH_PH_SIZE stand for.
In which way do they...
I testing asset_tracker_v2. I observed that during debug, the execution enters the init.c file. As well __pinned_bss, __boot_func etc are used in this file.
1. What is purpose...
I have received a newer DK board (2.1.0) and have a problem.
The newer board wants to update the FW constantly when I run a test. That appears to be resolved by disabling...
As we know 52840 supports Thread,Zigbee and bluetooth,Do we need to test all of them in production test?
I'm not sure whether these 3 protocols are only software ,or they...
hi
1. #define ADC_NUM_CHANNELS DT_PROP_LEN(DT_PATH(zephyr_user), io_channels) this is example code from v1.8.0\zephyr\samples\drivers\dac\src\main.c but this is not working...
Hi.
We're using the out-of-the-box NCS 1.6.1 SDK / Zephyr / MCU boot process for our application. After upgrading the firmware, either via a dfu-utils flash to slot 1, or...
Hi everyone,
I've been trying to figure out what is the maximal BLE throughput between nRF52840 DK and nRF Connect (on iOS).
Using " ATT_MTU Throughput Example" between...
I have been trying to understand how we can use the PPI system to bypass extra callback handlers and threads in Zephyr to retrieve data from external SPI device based on external...
Is there a way to perform bluetooth operations using bluetoothctl The required functionality is: --- The dongle is plugged into the Raspberry Pi usb --- The dongle can then...
Hello,
I am running an ble_app_uart example from SDK 17.1.0 in SES on my nRF52-DK.
As great example as it is, I find it a bit non-practical for further development so...