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...
I've added a HID service in my project.
I see a lot of messages
<00> debug> nrf_sdh_ble: BLE event: 0x57.
in the RTT Viewer.
What does the event 0x57 mean?
Hello All,
We are designing a product based on Tracking device, for this we use nRF9160 module & use controller #nRF52840 to send AT command for LTE and GPS.
We do not...
I'm trying to track down an issue where our application gets stuck due to what looks like an infinite loop in the app_timer2 timer list. When it occurs we see the next pointer...
Hello,
I'm using a custom board with nrf52 using sdk12.1 and SD132 v3.0.0. and the nordic's nus peripheral service.
I am able able to read and send data without any...
Hi,
I had a building project until I added app_uart_fifo.c. The app fifo and uart flags are enabled in the sdk_config.h. This is a custom board. Now when I build I get the...
Hi, I'm building a BLE peripheral with one button only. The button exposed over bluetooth. Obviously, the button handling module (GPIOTE) is used. After advertisement timeout...
Hi,
I am want to do wake up on motion when any threshold value generated by icm 20948 accelerometer I want to send an interrupt from icm 20948 to nrf52832 to wake up from...
Hi !
I'm using the nrf52832 with SDK 11 as pheripheral.
In Android phone the bonding and the scan request working great with my unit !
However, in IOS
1) i do scan...
Hello,
I am working with LPN example of SDK 3.1.0. In the example I need to change the poll interval time based on our application requirement.
I looked at this equation...
Hi Nordic team,
I have a curious problem I need a little help with:
(NRF52840 & SDK 15.3)
I have a project which is an integration of the ble_uart example and the serial_uartes...
I have searched your forum and have found several references to my issue; however, I have not been able to get anything resolved.
I am using the nRF51822 which is part of...
Hello,
I am using nRF52832, SDK_15.3.0, S132 SoftDevice and Segger for flash the image. I am using ‘ble_app_blinky’.
I have gone through “Application Timer” tutorial...
I have a development board and load the client central BLE blinky to it, then the peripheral BLE blinky to my custom board and power up and the central development board stays...
I was wondering if it is possible to do HTTP requests with the nRF9160 just by using AT commands? Since this is usually possible with such kind of modules.
The reason is...
Hello everyone,
I've got a three type of devices: 1 Central device, 2 Peripherial devices, and mulitple beacons. Central is connected with two peripherial devices with...