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...
Hi,
I'm trying to determine why a HCI DFU upload fails.
There is a log of the communication below showing the serial request/responses on the Windows side.
Is anyone...
Hi: I use dfu_single_bank_hci to update application. HCI_SLIP_UART_MODE = APP_UART_FLOW_CONTROL_DISABLED, HCI_SLIP_UART_BAUDRATE = 38400.
I use command " E:\hci_dfu_send_hex...
Hello,
In my quest of working with pstorage_raw.c I found an annoying situation when I tried to clear small portions (as I thought by using raw I would have full control...
Hello!
I have based myself on the ble_app_uart example, taken out the UART bit, and all that remains is the bluetooth functionality.
I have also implemented SPI communication...
hi guys, :)
I used SDK 6.1.0., Softdevice version is S110_nRF51822_7.0.0.
I compiled the template project. (in the "C:\Keil_v5\ARM\Device\Nordic\nrf51822\Board\nrf6310...
I want to use the UART to get and send data to another MCU on ble_app_beacon of SDK 8.1.0.
But after I add the UART function to the project, the UART can't work.
Can the...
Thanks for the SDK 8.1.1 fix. Please make it available also as a .zip in developer.nordicsemi.com/.../
Currently the fix cannot be used with a GCC toolchain as it is only...
Hi,my friend
I use the nrf905,At one end Use the PCB antenna, on the outside part of the metal.Using the results, said communication distance is shorter than 40 meters, easy...
Hi,my friend,
I have been using nrf905, but its performance is very bad.
Have a compatible chip nrf905 data communications? Working frequency 433 MHZ,100 KBPS baud rate...
uart_fsm and proc_fsm never get called.
debug on the first line of the uart_fsm and proc_fsm are do not come even
gpio toggling stops once uart interrupt received. I am...
Hi there,
I'm trying to build the Beacon source code with GCC toolchain on Ubuntu, but it's not working on Beacon Kit, there is no any response from the kit. But I tried...
I was wanting to use a nRF24L01 with a breadboard but its pin-out didn't allow it. A solution then occurred to me based on parts at hand. I wrote it up with instructions and...
Hi,
I'm trying to see what the communication range would be for different transmission powers. I set the transmission power to 0 dBm, and observe that I can still receive...
