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...
When using BLE_GATTS_VLOC_USER I would tend to make the variable pointed to by ble_gatts_attr_t.p_value volatile to reflect the situation that the value can be changed by...
Hello,
I am new to nrf5 mesh. I have setup my system based on Nordic's documentation and was evaluating Serial Example with Interactive Py script.
My setup consists of...
Hi:
I have a project which nrf51822 exchange some data with TI cc2541.There is a serious issue that the nrf51822 is occasionally reset by the watchdog when it communiates...
Hello all
I am trying to get out some debug messages from my custom Firmware (and board) but the log looks like this:
<info> µ“°8$Mø@ñ¨ó¹)F¨: NRF_LOG initialized
...
Hi,
can you please to provide a more information regard power up sequence?
for example:
we would like to use DC2DC (instead LDO) with CR2032 battery.
the PCB have...
Hi all,
I am trying to send a command to the sensor so that the sensor will response with sending something back for acknowledgement, via UART.
Let say, I want to send...
Does anyone have experience about range, robustness, link stability etc. for Bluetooth 4.0/5.0 (using nRF52832) compared to the old Bluetooth 3.0 standard? For some applications...
Hello guys, I am the newbie with this development board. I want to know that how I can write a simple led program or can upload any example into nrf52840 using window operating...
I'm trying to print received data on my com port but when I set the "NRF_LOG_ENABLED" as 1 the error below shows up.
What does it mean?? How would I know what files to...
Hi There,
I'm just getting started with ARM and the NRF52832. I've done a lot of work with 8-bit micros and I'm interested in learning 32-bit and in porting some old AVR...
I would like to use printf using ITM for debugging my application using a BL652 module (nRf52832).
I have followed the instructions in the Keil paper APNT_308. Printf is...
hi,
i am doing a project where i have to merge nrf mesh light switch server with mesh dfu example. i am using nrf mesh sdk v1.0.0 and nrf52832 mcu.
i have merged two programs...
I want to disable logging (which is working OK). In my app.config.h I have set the following:
#undef NRF_LOG_ENABLED
#define NRF_LOG_BACKEND_SERIAL_USES_UART 0
#define...
Desired behavior:
After a long press of the button, my desired behavior is to erase bonds and advertise and let another central pair and bond to the device.
After a normal...
