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...
Hello!
We designed and manufactured board with nRF52832_QFAA. The NFC pins was configured as IO and connected to sensors. The problem is that we see that those pins get...
Has any-one been successful waking up a sleeping 328P via a NRF24L01 PRX IRQ interrupt?? My scenario is as below.
Establishing a two way communication between two arduino...
Color sensing not working after DFU. No color reflection LED activity noted. I would like to have more detailed info on how the color sensing code translates the raw color...
Hello.
I need to use LESC numeric comparison pairing.
It seems that the PIN is automatically and ramdomly generated after the connection occurs.
I would need to manage...
I am running a nrf52 with IOT sdk's Cloud CoAP example. I am wondering about the parameters that I would need to integrate this into a product. These include the stack size...
Hello,
I am using 52832 to test ble data throughput. When two devices are close to each other, the throughput can reach 80kB/s, but if the distance is about 4 meters, the...
The nRF51422 product specification says that you have to use a +-40 ppm crystal for BLE applications.
On DigiKey, there are 2 columns for 2520 crystals: frequency stability...
Hey,
I just want to know if anybody sucessfully connected HDMI CEC (One-Wire bus) with the nRF52832.
I would be very grateful if anybody could share the library or give...
Hello, I downloaded the ble_mesh_v0.9.1-Alpha source code from nordic website, and tried to port it to my pca10056 devboard.
When doing so, I noticed that some function...
Hi All,
I would like to use FreeRTOS in my project. I try to play with the examples/ble_peripheral/ble_app_hrs_freertos project.
I have enabled logging with RTT. The...
Hi, when reading BLE Mesh specs, this paragraph caught my attention:
Messages may support a delay parameter that indicates a delay between receiving a message and
starting...
nRF5 SDK v13.0.0
Release Date: Week 11, 2017
Highlights:
Implemented a new license scheme for the SDK distribution. See the
documentation folder for details....
Hi,
I am using "nrf5 sdk v11.0" ble_peripheral "ble_ancs_c" example for nrf52_DK(PCA10040) .
When i connect to the my ios device then accepted pairing request then i am...
