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, I am following the Thread Border Router example provided in the info center. I have one Raspberry Pi 3 v1.2 connected to the internet via WiFi, one nrf52840-DK programmed...
Hello,
I am new to BLE and I'm following the solutions to the BLE characteristics tutorial for SDK 13.0.
I have successfully implemented my own external temperature...
Relationship between "LE Secure Connections (LESC)" and Bluetooth version
I am experimenting with the following contents.
・ "Central": iPhone 5s (Bluetooth v4.0) ・ "Peripheral...
I have a question about the sample project "ble_app_multirole_lesc(SDK V14.2.0)".
・ "Central": iPhone 5s (iOS V11.2.2) ・ "Peripheral": nRF52832(SDK V14.2.0, S132 V5.0.0...
Hello Nordic,
I hope you can help me. I'm using an NRF52840 DK development board.
I followed the instructions on this video to enable debug trace in Segger embedded studio...
Hi, I have a nRF9160 DK, and trying it out with my mac connected to the USB. However, I seem not to really connect to it? I've installed the nRF Connect app, and also the...
Dear All
We have implemented the the workaround because of the anomaly 195 for spim3 and it works as expected, but only once! After the following init
we can use spi...
Hi I am trying to init the serial on the nRF52840 Dongle but there are some defines missing in the boards/pca10069.h
I run this on the nRF52840 DK and it works fine.
NRF_SERIAL_DRV_UART_CONFIG_DEF...
How the base address is assigned to NRF_SPIM_TYPE structure through *p_reg which is in nrfx_spim_t structure?, and also please let me know what is the default base address...
Hi,
I currently have a project which triggers a series of SAADC readings from the Timer0 interrupt handler. This part of my program works as expected, however, to add more...
Hi,
From this link https://devzone.nordicsemi.com/f/nordic-q-a/34224/device-does-not-reset-after-dfu I understand that the compiler option flto caused reset issues. Is...
Hi everyone,
I am trying to use Buttonless DFU to reprogram the NRF 52 dev kit OTA. I had posted a question on the forum and had solved that problem: devzone.nordicsemi...
Hello,
We have implemented DFU services in application but getting lots of difficulties for writing own transport layer for Wi-Fi to upgrade firmware from server. We are...
Hi...
i have done the program to read the temperature sensor, i want to get the temperature in float value . i can able to read the temperature in float but i can't able...