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,
My project is on nrf51822 in which I am using BLE and UART interfaces.
There is single UART available on nRF51822 and I am using it for communication with an...
Hi I am using the custom_ble_service example from https://github.com/bjornspockeli/custom_ble_service_example/blob/master/main.c . The example code will turn a custom characteristic...
HERE is the fix for this problem. It has been reported before (by others) with no reply. I hope that this fix or its equivalent will be incorporated into the next SDK release...
I want to interface a 16MB external flash (SPI) with nrf52832 on the development board.Suggest me how should I start with and if there is an example for external flash then...
Hi Great Support Team:
In the spec of 52832, the rx sensitivity is -96dBm @ 1Mbps.
I'd like to know if the sensitivity is the same (-96dbm) while we adopt ANT+ protocol...
I am using the nrf52840 with freertos and bluetooth (based on the HRM example). Application is designed to sleep for a set period of time before the RTC timer wakes the MCU...
Dear Nordic Team,
Due to a mistake i flashed a bootloader-firmware with the compile flag CONFIG_GPIO_AS_PINRESET onto a custom board where pin P0.21 is tied to ground ....
I just received my nRF9160 DK. I got it connect with the nRF Cloud (with LED 3 and LED 4 blinking). I then started nRF Connect (Programmer) and the application crashed. I...
Hi all,
I want to ask whether I can put the main app on random address in the flash of the chip if there is bootloader and SD present due to future releases of SD and memory...
Hi. My application is scanning ble beacons for 1 sec every minute, and I want to store this data in an array to be sent every 10 min. I am getting the data in BLE_GAP_EVT_ADV_REPORT...
Hi,
I want to implement a Peripheral (GATT Server) that automatically starts notification once a Central connects. No bonding is provided in our system (connection is between...
Hi,
I'm in the early stages of developing a BLE peripheral device that requires the use of the CC310 CryptoCell on an nrf52840-DK board.
I have managed to implement a...
Hi,
I am following the midi service example: https://www.novelbits.io/bluetooth-gatt-services-characteristics/
To add a midi service.
I have added the code and build...
