When I was using the device as peripheral, I was wondering when the Softdevice notified BLE_GAP_EVT_SEC_PARAMS_REQUEST and BLE_EVT_SEC_INFO_REQUEST:
1, when peripheral...
hi dear nordic employee:
I tried to build the project ble_app_hrs_c(pca10040) by keil5
but I get an error :
._build\nrf52832_xxaa.sct(7): error: L6236E: No section...
Hi,
I am a bit confused about power consumption when using app_uart_fifo. To save power I put MCU to sleep in between each sent and received byte by using __WFE and __SEV...
Hi! I am building an android app for my project. I am using Proximity , UART and DFU from nrfToolbox app. I have 3 buttons on my home screen dedicated for each of them. I...
Dear Nordic employee:
1、 what do I have?
I have a thingy52 develop kit(nrf52832)
2、what is my purpose?
the quality of thingy52 audio demo is not good(iphone7)...
Hello Nordic,
My development environment:
SDK>> NRF51822_SDK10, SoftDevice>> S130
Example>> ble_app_uart
I am looking forward to your reply!
Thanks.
Best Regards...
Dear friends,
according to "nRFConnect_BLE_User_Guide_v2.0", to set up a local device,i should complete the following steps:
Connect a development kit or dongle to...
Hi,
All of a sudden (isn't it always the case :) the JLink debugger fails to flash the app code to the dev kit (PCA100028)
The Project's softdevice is flashing well without...
I have configured 3 differential ADC channels
to sample with timer/PPI/DMA buffer.
When I turned everything off, I couldn't get below
20uA current (with only LFCLK running...
2017-12-07 22_28_04-D__Users_Eyal_myWorkspaces_KeilMDK_ble_peripheral_ble_app_hrs_rtx_pca10028_s130_.png
Hi,
I've developed a BLE Central app based on the SDK HRS collector...
Hello,
I am using NRF52 TWI master to read data from my sensor, I have read the twi_sensor example but it doesn't make use of nrf_drv_twi_xfer() .
My question is quite...
Dear nordic employee
1、when I use the spim to send 1 byte address to read it's value(4 bytes),like this:
nrf_drv_spi_ transfer(&spi,headerBuffer,(uint8_t)headerLength...
Hi!
I use this debug on another examples fine. But want to enable this debug in a my project. In a config.h file RTT debug enabled. But doesn't work debug. I remarked that...
Hello All,
Please check above image, showing antenna layout of my custom board.
I am receiving error frames at ~40ft distance on sniffer.
Please check whether antenna...
When creating a custom bootloader for buttonless DFU, it is surprising to see that nrf_dfu.c not compile without defining button related function.
The warning
nRF5_SDK_14...
After succesfull compile, installation and run of my first application , I cannot see anymore the nRF52 DK board from windows.
The application keep flashing the led but no...
I wanted to share the most reliable and efficient method I found to collect and store my log outputs through segger RTT, which also allows using the excellent Log Viewer Log4View...
Hello all:
I have faced a problem that my device will report hard fault when I try to start advertising after force disconnect the device.
My EV board is nRF52832 and...
Hi everyone:
I use nrf_drv_ppi_channel_alloc(&m_ppi_channel1) to allocate ppi channel. Every time i call nrf_drv_ppi_channel_alloc(&m_ppi_channel1), the m_ppi_channel1 will...
Dear Nordic Team,
Thanks for supporting.
What is the changes or difference between SDK12 to SDK13 and also SDK13 to SDK14 please give me a brief explanation or suggest...
hello everbody~
I have a problem with the FDS example code.My sample code is SDK version 11.But I now use the SDK14.2 version and nrf 52832 MCU.
The SDK 11 detailed example...
Hello I am using SDK12.3 without softdevice on a custom board (with nrf51822 256k flash, 16kram without 32768 crystal).
I have written some code using GPIOTE to detect...