I'm trying to use the nrf8001 (and arduino) to send MIDI (musical note data) to Mac OSX. According to the Apple developer site the midi profile requires that the characteristic...
I have a custom made board that has an EFM32WG360F256 communicating to an nRF8001, verified that the ACI protocol works with repeated echos, however when I run the efm_ble_my_project_template...
Hi,
I have 3 nRF51 DK pca10028 v1.1.0
I compiled and run power profiling example and after that I cannot flash or connect to the devices (tested in all three of them)...
Hi Guys,
Thanks for your precious time and insight. Let me try to explain what we did,
We have developed a custom board
After assembling the board, we do a bare board...
Hello all, this tutorial goes to a fellow named Emil who helped me with this project.
Number 1_ Make sure you set up the terminal viewer For debugging with real.You need...
Seeing recent response to my original question on multiple chip selects, I've opted to share a modification to spi_master that I've implemented in part to make handling some...
What is the official status of the Softdevice Serialization for S130 in SDK 9? I could see an older answer on how that was removed in SDK 8 but since almost half year has...
I'm developing a BLE project using Zephyr NCS and I am having trouble advertising multiple custom services. The sample applications are configuring advertising data using...
Hi-
In our application we are not using pairing, but instead want to use a proprietary authentication scheme were we right a passkey to an unprotected characteristic and...
I am trying to write to external flash memory using NRF52840. The flash uses spi protcol. My code is getting stuck in spi_xfer function. Error code is not in scope for the...
Hi,
I'm working with the ncs 1.7.0 peripheral_uart example and have observed faults when I send more than a few bytes at a time to the HW UART. (receive by HW UART for transmission...
Hi
I managed to get the eddystone example up and running on my custom board with NRF52832 (DCDC configuration). external HF, but no LF XTAL.
However, using SDK 17.0.2...
Hello! We are trying to sign our data using ECDSA ( developer.nordicsemi.com/.../README.html) so we are able to send to our blockchain all the information required. The problems...
We can see the traces through the power profiler in nRF connect. On what factors on time of one sample depends and how do these factors are related to the on time? Is there...
HI,
I want help to fix the nrf5340 Dk. I have worked fine with the DK for a long time. But, Suddenly I can't be able to connect the DK with my PC. I can able to connect...
hi, i am trying to use the async uart api on a nrf52840 for communicating to a quectel bg95 modem. no matter which timeout or buffer-size i am using, i am experiencing the...
I tried to use Power Profiler v3.4.3 on Debian bullseye and it didn't work. The profiler app found the device, connected and nothing happened, no controls appeared.
After...
Hi,
I have some trouble when I want to debug my code, I use GCC and I have this :
HardFault_Handler () at ../libs/nRF5_SDK/modules/nrfx/mdk/gcc_startup_nrf52820.S :302...
Hi:
i use nrf5340 dk;
I use Visual Studio Code IDE build zephyr\samples\bluetooth\peripheral_past simple ,but i build project in application core have a error occured;...
Hello,
I have the same issue as:
So I posted my question there but got no answer.
"it seem likes crash in "strlen()"function, and seem like "acess to illegal memory...
Hello
NCS1.9.99, nRF5340, VScode
uint8_t read[130]="";
i2c_burst_write(i2c_dev, 0x1b, 0x00, read, 128);
error:
Need to use concatenation buffer and provided...
Hi ,
I have some questions about duf Serial routine that I need your help with:
1. Can you explain the implementation process of " pb_decode,pb_encode " and the file structure...