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 find that nrf5SDKforMeshv300src does not contain some documents, such as how_to_build_cmake.md, how_to_build_cmake_generating.md, how_to_build_cmake_generating_customization...
I have a project that generally operates as a typical peripheral, but occassionally sends advertising packets of type BLE_GAP_ADV_TYPE_NONCONNECTABLE_NONSCANNABLE_UNDIRECTED...
Hello Nordic Experts,
I am developing the pairing in a central. I am working on nRF52840 DK with nRF5_SDK_15.2.0_9412b96 as the cnetral and I have an iOS app as the peripheral...
We are using the nRF52832 with S332 v2.0 of the stack. We have recently been testing concurrent operation of a BLE peripheral connection and an ANT bidirectional master. The...
Hi all,
I'm using nRF52840 Development Kit and Nordic SDK v15.2.0 with soft device v6.1.0
I'm using ECDSA Cryptographic libraries for a BLE related project. I want to...
Hello,
I am working on Low power and Ultra Low power.
I am using the nrf52832 chip as well as the breakout board. In SYSTEM-ON mode power consumption around 6 mA and in...
How do I calculate round trip delay (time taken for packet to travel from peripheral to central(PC) to peripheral again)? Is the existing time calculation in the example code...
Hi,
I have some troubles using TWI easy DMA. I set EASY_DMA flag to 1, but I can't see any results in my performance tests. Can anyone explain me the required steps? ...
I am looking at the android version of the Blinky application and was trying to make some modifications to enable the LED3 on multiple boards (peripherals) to turn on from...
Hi,
In a peripheral, a notification is sent to the central every 10ms. (payload less than 20 bytes)
I use : radio_notification_init(6,NRF_RADIO_NOTIFICATION_TYPE_INT_ON_ACTIVE...
i want to read the temperature ..... my temperature data is executing from 0 degree temperature ...is there any way to execute only actual data instead of starting from 0...
I'm probably not using the good terminology here... let me explain my application.
I have an existing board which has all the logic implemented in an STM32 MCU. I now need...
Using Softdevice 132 version 6.1.0 I issue the request for scanning by calling sd_ble_gap_scan_start() with: ble_gap_scan_params_t scan_params = { { .extended = 0, .report_incomplete_evts...
Hi all,
I want to measure higher frequency (8 MHz) count/ticks by using the lower frequency (32 KHz) is there is any method to do it or any examples.
I want to measure...
Hi,
I am evaluating the nRF52840 with the Segger IDE.
I am about to experiment with Bluetooth, but I have a hard time understanding the different protocols/softdevices...
