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 have 100 samples of string data (Ex: AABBCCDDEEFF:1592636399:1592636399 ) . I am using the flash_fds module. Also, I want to read the read all the samples at once. I am...
Hi,
I am developing the 'buttonless dfu' to the 'hrs freertos' using the SDK v15.3.0.
However, after I compiled the modified code and loaded to the target broad, I got...
Hi
In ble_stack_init(), err_code = softdevice_enable(&ble_enable_params); err_code = sd_ble_enable(p_ble_enable_params, &app_ram_base); err_code is 4.
I use nrf51822 in...
Hi,
I got a nrf5340 pdk, and I download demo Peripheral_Heart_Rate into board, load peripheral_hr.hex into app_core and load hci_open_amp.hex into net_core. it running ok...
Hello. I have one multirole device (device A) and three peripherals (devices B, C, D). Device A connects to devices B, C, and D as a central role, and connects to the phone...
Hi,
I am developing a product using nRF52833 . (S113, SDK 16, IAR8)
I am developing based on the usbd_ble_uart sample.
I use ble, spi, twi, ppi, saadc.
and, I use...
Hi,
On page 420 of the nRF52811 datasheet (v1.0) it states that pin 14 (P0.18) can be either 1) Digital I/O or 2) Single wire output (SWO). The SWO is not mentioned on any...
Hello, In our project the nRF52 resets randomly
we use the NRF52832 with softdevice S332. On the application space we run a FreeRTOS application with 2 tasks. We want to...
Hi,
I am trying to determine whether or not to use a watchdog timer in our firmware. The device is and IoT device, making sensor readings and entering sleep mode for a while...
Hi all,
i am trying to merge ble_app_peripheral example with twi_scanner. So i created twi_ad7147.h and twi_ad7147.c with the twi configurations.
But i am getting this...
Hi All,
I am working on a custom board using the BMD-340 from RIGADO, and I am hoping to be able to see all the logs on the RTT viewer.
setup -> SDK 16.00, J-ling programmer...
HI Team,
We have generated the private key from "nrfutil" tool and we want to integrate to our code, how to extract from python generated file "private.key" file to hex...
Hello Nordic World,
We are attempting to use the Nordic Sniffer app on a DK52 board to sniff and troubleshoot BLE communication issue with our board/app and iphone/app....
Hi,
I am using nRF51822, SDK 10, SoftDevice S110 v.8
I am strugling with DFU over BLE using custom DFU package.
I am able to flash bootloader and update FW with pregenerated...
