Hi
We use nRF5340, set GPIOs as PDM for DMIC device, and measure waveform as below
The PDM DATA high level will decrease periodically
Is this waveform normal? If yes...
Hello,
I am developing a Bluetooth Mesh application using Nordic hardware and am running into reliability issues when transmitting bursts of vendor messages.
System overview...
Hi, I have the following situation:
I have a legacy C application that runs on the good old nRF5 SDK on NRF52840 with FreeRTOS. (No BLE on the application, but the bootloader...
Dear Nordic Specialist,
I am using two nRF5340 DKs running the Direction Finding connection-based Central/Peripheral examples, and I would like to evaluate the maximum achievable...
Hi, you all.
I am working on the DFU system with my custom BLE service. I have successfully integrated DFU into my system. I structured a system with integrating DFU into...
The first generation of wireless PC accessories to achieve widespread success (the ones that shipped with a dongle in the box) adopted 2.4GHz radios because these radios offered the optimal trade-off between…
Writing a BLE firmware can now be done with a few lines of code. The code example bellow is all you need to write for a non-connectable BLE firmware that advertise a counter value every second in the…
Hello
I wrote a tutorial on using the nrF52 Development Kit with Keil MDK.
www.keil.com/appnotes/docs/apnt_308.asp
This document features essential debugging capabilities of the nrF52 series.
ETM Instruction…
1.Profile
During connection procedure of BLE, there are three packages: SCAN_REQ, SCAN_RSP 和 CONNECT_REQ。
SCAN_REQ: Scan request, issued by MASTER DEVICE, send to SLAVE DEVICE,sent by the Link Layer…
1.Profile
MTU: ATT Maximum Transmission Unit (MTU) is the maximum length of an ATT packet. The ATT MTU is defined by the L2CAP and can be anywhere between 23 and infinity. The implementation of the Bluetooth…
Today I tried to find the better ways to debug program on nRF52840 PDK from CLI on linux.
The ways that I tried
[Failed] openocd (both stlink and jlink) & gdb
[Succeeded] JLink & JLinkGDBServer &…