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 want to make a BLE network with 1 master (nRF51-DK) and multiples slaves (nRF51-dongle). I`ll send differents commands from master to slaves. This is for home automation...
Hello,
I am writing an application using SDK version 8.1 where I have a pin using the PORT event in nrf_drv_gpiote library. I have a need to disable the event temporarily...
I am encountering a problem with GPIOTE PORT events on the NRF51422 in a custom design. The chip occasionally seems to be able to get into a state in which the registers are...
Hello Guys,
I successfully used ble_hids_mouse and ble_hids_keyboard on my hardware but my final solution is a mouse + keyboard combo.
I merged the mouse and keyboard...
Hello,
I want to secure a link between 2 NRF51 (man in the middle and privacy with AES).
How to do that ? (I can use a static key in this application)
Most of the...
I want to create a single hex file that I can use to program the SD, DFU, and my application. I know I can use mergehex.exe to merge these files. To make it so that the bootloader...
Can anyone pls explain what is relation between advertising interval and advertising timeout..
Consider now i am setting advertising interval 1 second how i can prove or...
Hi Nordic,
I have got two PCA10028 boards and have a problem starting BLE on both.
I use latest Keil (5.16) and try to start ble_app_uart_s110_pca10028/ble_app_uart_s130_pca10028...
Hi
When implementing some characteristic handling i noticed, that in the newer softdevices the function "sd_ble_gatts_value_set" has changed to the following declaration...
Hi all,
I need to be able to check the matching networks on a design using the nRF51 series chip. My understanding of the procedure is,
Set up the board, enclosure...
I am having a small doubt in example UART Service. while writing characteristics value from master control panel to nrf51 chip, the stack generating BLE_GATTS_EVT_WRITE to...
Hello,there is a way that can automatically confirm receipt of the packet from the server,without to call evrey time sd_ble_gattc_hv_confirm() after each received indication...
Hi,
I'm using 51822 to control GSM module via UART (57600, no flow control).
My device is USB and battery powered.
After I program the chip I HAVE to disconnect all the...
