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 everyone,
The more I learn, the more I learn how much more I have to learn.
I am pretty new to embedded systems development. I am tasked with developing an nRF52...
Hello,
I've had to redesign my bootloader and I am now stuck with a problem that I can not solve. I need to know the correct workflow for switching from bootloader to application...
I use the nrf51822QFAA, and s110 v8.0.0.
now I need update the application,i have the keil created hex file,
How can I create the ZIP file use the application hex file?...
I have built a PCB that includes the nRF51822. I have AIN7 reading an input voltage that I measure on my DMM at 269mV.
When I measure the voltage through the nRF51822's...
Hi, I have an application where I am recording button presses using a beacon-like implementation. The button presses represent start/finish events for a race and are communicated...
In my setup, i have a Node with SD130 as peripheral to Smartphone and as a central to a BLE peripheral.
I need to store some Unique ID about the Smart phone and a Peripheral...
I find out that
The s110 can only connect to a single
central, but is able to do
non-connectable advertising while in
that connection
by here
So is this...
Hello,
I have a problem with the sd_flash_write function. It HardFaults on me and I can't seem to find out why. The Addresses are 4 byte aligned...
The function is called...
Hello,
I have written a timer driver with timer 0 without SD and used 24 bit mode and it is working.
But when I used the same driver with softdevice and Timer 2 and...
I have a problem enabling TIMER1:
If the prescaler is set between 16MHz and 2 MHz the firmware fails to enable the SoftDevice, even if I didn't manage TIMER0, but TIMER1...
Hello, I have looked into the compatibility matrix and I couldn't find any clear answer about if the NRF Beacon Kit is compatible or not with the S130.
Does anyone tried...
Hi,
I'm now going to combine the proximity program with the ancs program, but I don't know how to make it.
When I try to add the proximity program to the ancs (I add tps...
Hi all,
I want to upgrade current SD from 7.0 to 8.0 by DFU, and try it as followed:
1.Use the nRF Toolbox 1.12 in Android;
2.Select 'Soft Device' as the file type...
