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...
This is a question for the developers of the nRF Connect Android app, or anyone else who might have the details.
The app has a really useful test hardness in it now that...
Hi,
I am working on implementing secure DFU. I have complied and loaded the secure DFU using gcc and am trying to upload a package using nRF Toolbox on android.
I have...
Hello Everyone,
I'm a beginner for nRF52 and my aim is to learn and develop system on nRF52. I have bought nRF52 development board and installed Keil MDK on my system....
Previously i've been using the nRF dongle using the BLE NUS Central example to communicate to another nRF DK with the BLE NUS Peripheral example via serial/termite and ble...
Hi there,
I am new to the nRF world and I might be asking a very stupid question with obvious answer but I couldn't find any hint from the Infocenter nor the Tutorials...
Hello guys,
I followed this guide to set up the software on my macbook.
The blinky example can be successfully built, but cannot be flashed to the nRF52 DK. Then I tried...
Hello everyone,
I tried to rename(right click the project name and click the "Rename") my project from "sdk11_ble_tutorial_adverstising" to "sdk11_ble_tutorial_adverstising1...
Hi,
anyone would have any idea (to look at, as to) why the same app running on the same chip/PCB (nrf51822QFAAH rev3) could possibly have slowed down so massively after...
I'm trying to add debug information to ble_app_hrs using nRF5 SDK 10, softdevice s110 version 8.0.0, building for an nRF51-DK target (PCA10028) using ARMGCC. I've found that...
I've encountered a problem getting the tick count from FreeRTOS when tickless idle is enabled. I'm not sure if this is a bug or just unexpected behavior. I am using the latest...
Hi everyone,
I'm integrating the spi_master_with_spi_slave example into our firmware; however, I'm not seeing the event callback I registered being called. I'm verifying...
Hi everyone,
I implemented nrf51 flashing through SWD (external MCU is used). After first flashing and reset when we enter debug mode on SWD second time we have a busy...
Hello,
I am trying to interface an MPU 6050 with an NRF52 with sdk vs 12.0. I noticed in the mpu6050.c file that it uses a twi_master.h file in the sdk in folder labeled...
Linking ble_app_proximity_pca10040_s132.elf
Output/nrf52832_xxaa/Exe/ble_app_proximity_pca10040_s132.elf section `.fs_data' will not fit in region `UNPLACED_SECTIONS'
...
Hi,
I flashed an board with a NRF52832-QFAA-R7 with the ble_app_hids_mouse of SDK 12.1 (and also with the keyboard) example to test and build an application using this...
