Hi all,
I am trying to count the positive edges of a 3.5MHz signal with GPIOTE, PPI and the TIMER1. Unfortunately i can only measure to frequencies up to a little more...
Loaded Softdevice S140, ( Using NRF52840 DK board ) using NRFgo Studio.
App flash base is set to 0x00021000 and app RAM base is set to 0x20003000
Looking at the CPU...
In our earlier projects with nRF51 and SDK 8 we used to have bluetooth device names of length 13 or 14 characters. However, when using nRF52 and SDK 12 I noticed that the...
Does the Antenna in this Beacon relates with this "BAL-NRF02D3 '50 ohm balun transformer for 2.45GHz ISM"? Any idea what's this "BAL-NRF02D3" for? many thanks!
I am using a eeprep tool which can only be used with command prompt. I am struggling with it.
Here is the format to use eeprep tool :-
usage: eeprep [options] <infile...
Description : It is not possible to flash or debug an application with IAR on the Nordic target. This issue is caused by a bad interaction between CMSIS-DAP IF present on...
Hi,
What should i do after i load mesh app in " github.com/.../nRF51-ble-bcast-mesh" adress?i have two board
When i download the app,why doesnt advertising exist.i cant...
I use DFU function to update APP. and when i execute the flash write operatin in APP,then afer the dfu operation,bootloader can not jump to the APP. it keeps in bootloadr...
I am using nrf52832, SDK14 and sd 132.5.0. I want to disable SAADC after measuring battery level then enable again when I want to measure it again like in this post . When...
Hi, I want to know how to properly indicate for the function
spi_send_recv(...)
that I'm sending or receiving data on SPI.
On other platforms with library function...
I'm using the SPI driver and experiencing a hang in the SPI driver because the SPI interrupt is not raised. The reason is in this code from the driver:
p_cb->bytes_transferred...
Hi,
my device does some UART communication. Because temperature drift of HFINT is to large, the external HFXO has to be used. To make things worse, this is a low power...
hello,
I modified the beacon example that allows me to modify major and minor value from mobile app,
but when i restart the nrf52840 dev board, the modified values are reset...
Hi,
I need to get at least 3 sensors data (Accelerometer and Gyro) simultaneously and I am thinking to use the Nordic Thingy:52 for that. Our application sends these information...
Hello Nordic Devzone,
I have problems with twi/i2c init code on a Micro:bit, nrf51822.
The accelerometer is a Freescale MMA8652FC.
I use Segger Embedded Studio for ARM...
Hi there,
We started to notice that we have been getting random disconnects with the reason BLE_HCI_CONNECTION_TIMEOUT. After profiling our device, it was found on one...
Hello everybody,
I try to use fstorage in SDK 14.2.0 S132 with Segger Embedded Studio IDE.
I write this;
static ret_code_t fds_init (void)
{
ret_code_t ret = fds_register...
I have been using the RF Digital Simblee chip ( also with the NRF51822) with my Android app and Java code to communicate with the Simblee chip as a peripheral.
I have been...
hi nordic;
i need your help, i'm trying to code a control of gpio over the BLE i have an app on android with it i can establish connection and see the service and charactrestic...
This is not a duplicate of:
devzone.nordicsemi.com/.../
devzone.nordicsemi.com/.../
devzone.nordicsemi.com/.../
I have tried to implement the accepted answers...
examples\proprietary_rf\esb_ptx例程中如何切换PA收发方向呢,基本思路就是数据发送完了就切成接收的方向,来接收ACK,但是问题是esb_ptx程序中怎么知道数据什么时候发送完?
下面这个代码,并不是等数据发送完了才返回SUCCESS的。请帮忙解答一下,谢谢!
if (nrf_esb_write_payload...
As the title,I want to encrypted and decrypt data in CBC mode with nRF51822,S110,the version of SoftDevice is v8.0。can anyone provide an example or demo code? thanks !