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...
Dear all:
chip:51822
sofedevice:s110 8.1.0
the pcb is supplying for dc-dc mode,but the fireware have not open dc-dc mode.
Whether can Increase the power consumption and...
Hi,
The tx/rx sequence diagrams don't explain when EVENT_ADDRESS and EVENT_END are triggered when using coded phy:
there are CI and TERM1 fields between address and...
In fact, I would like to know if there are receivers from Nordic, able to receive simultaneous (or with time slot management) data from transceiver (type nRF52). I can use...
Is there any Dc offset on nRF52840 RF port? Is it necessary to add a DC blocking capacitor if the load has DC path to ground?
In particular Is it OK to connect a 50 Ohm...
I have read articles on the forum, watch youtube but still no luck. Actually I failed to find step by step tutorial how to do it from start to the end. Most of them touch...
Hello,
I'm trying to flash my nRF52 board with my program and for some reason it's freezing/crashing in the middle of programming the device using "nrfjprog". When I try...
Hi,
I am trying to find a good solution for multiple beacon advertising using s132_nrf52_3.0.0_softdevice and sdk 12.1 on nrf52.
Looking at other similar threads:
...
Hi, there
NRF51822
SDK9.0.0 and S110
How to subcontract in uart nus mode to ensure that each packet does not exceed 20 bytes and is sent as quickly as possible...
Wakeup from system off (not WFE) )will cause a system reset and hence will reset almost all of the peripherals (exceptions are RAM and few registers). RTC will also be rest...
Hello,
Is there a BLE only DFU application like that available on Android? The Android application works fine. The windows version needs a serial port to perform the same...
For synchronizing an external sensor i need to output a 32768Hz clock at a GPIO pin. For this case i want to use LFCLK from the external cyrstal.
My setup:
I use RTC0...
Hello,guys
I have build one application, in which I want to transmit the Image from Mobile BLE to nrf51822 and than after display on display like E-paper.
The use case...
