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...
so it looks like there are no s140 iot examples available. My cursory investigation indicates this might be because L2CAP is not in the 140 softdevice.
I am currently interested...
Hi
I used nrfjprog.dll in our internal software. implementation is in C#.
Everything works just fine - except for the last call to NRFJPROGDLL_go - it seems like it starts...
I successfully ran the proximity_demo supplied by Nordic. I used my laptop's usb port to power up the device and it worked fine.
Then I unplugged my laptop and tried to...
Hi dear All!
We going to prepare final PCB Layout for nRF52840 MCU.
Previously, we used nRF52840 -AA , then -BB (pinouts changed!),
The question is about release / next...
Using NRF2401+, I have two units running side by side on the bench.
With Auto-Ack turned OFF I can successfully read the RPD register (bit 0) and get the expected readings...
I have a small problem with Bootloader + application in our custom board.
If I do the DFU update,application starts at first time but if i do a power reset application doesn...
Hello,
Some time ago I bought an nRF51822 evaluation kit to start developing with this chip. Now I have a project that needs a small pcb like the beakon you show here www...
Hello,
I am using the following code to set time in my code, but when trying to set 2100 year or 2040 more year with nrf_cal_set_time function,
it is failed, it shows...
Is it possible to send an SMBus quick write and quick read using the TWI hardware?
The sequence is:
<START><ADDRESS><R/W><ACK><STOP>
I can send the address, but...
Hello,
if I send a byte over uart to an device (e.g. gps -logger), the same byte will printed to the terminal (e.g. Putty or Termite).
If I get a byte from the micro-controller...
I am confused from reading the nRF52832 Product Specification on how to clear the GPIOTE port event (EVENTS_PORT) register?
On Section 21.2 (Port event) on page 158, it...
I am experiencing a difference in current between the example program during advertising between a IAR compilation and a GNU compilation.
The differences appear to be significant...
Hi,
Can the Nordic SoftDevices be consumed by a BareMetal ARM GCC compiled application?
Which compiler/linker flags are needed for the application to be able to link...