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...
Now i want use a device with dual mode bluetooth as peripheral, as manufactor says, the device auto select SPP or BLE through central who connected it. The data are subcontracted...
Hi,
Are these connection parameters okay?
We have been seeing random disconnections with error 0x08(connection timeout) in the field. Is there any relation to those...
I have a custom board running the MQTT example. I have the board up and running and have been able to run various different pieces of code and the hardware has checked out...
Hello Forum,
I am now working for a year with the nrf52832 and whenever I had a software problem I found a solution in this forum so thank s for that :).
However now I...
Hi, I have just set up the nRF52840 DK to advertise in Bluetooth 5.0 successfully but I am having difficulty changing the initial preferred PHY to Coded (Long Range). I understand...
Hi, I have NRF52 issues creating one hex file containing softdevice + app + bootlader + settings. The device does not boot up. But if I have flashed the softdevice first then...
We are using nRF51822 and is considering update to SoftDevice S130.
There are two things we currently investigation:
1. Support security.
2. Increase MTU (possible)...
nRFConnect sees the j-Link device, and everyone else sees the device.
I use this j-Link with Segger Embedded Studio.
What makes nRFConnect unhappy? Perhaps python2...
Does nRF51822 support uart over ble profile? I see in previous discussion "nRF8001 UART-over-BLE" talking about this and answer suggest 51 serial has this?
We want add MQTT...
Hi everyone.
I have problem with my device. I use Visual studio with visual GDB and I'm trying to use interrupts from RTC. Got from this site lot of examples and wrote some...
Hi,
I am running my nRF9160 DK in "nRF Only Mode" (Via SW1). I would like to drive the serial terminal out via one of the GPIO pins, connected to my MAC using an FTDI serial...
SDK v15.2.0 using peripheral spi example. Windows 8.1, uploading to nRF52 DK.
In my while loop I use bma_spi_read() twice with a small delay in between. The first...
Hi,
I am using the reliable message communication to measure Round-trip time based on the Light switch example.
I noticed that in high traffics, some packets are not...
I want to use TimeSlot API for nrf52832.
two question.
I want to use time slots regularly . I call follow, timeslot_open() timeslot_request() - timeslot_end() -> IDLE_STATE...
Hi there,
I've already asked about it https://devzone.nordicsemi.com/f/nordic-q-a/49701/commissioner-disable and I've tried it but nothing work. I've already spent 5 days...
