BLE_Sniffer.md

우선 nrfSniffer v1 (1.0.1)으로 함 (현재 Version2가 나옴)

• 스니퍼 링크 : https://www.nordicsemi.com/Software-and-Tools/Development-Tools/nRF-Sniffer/Download#infotabs

• 사용한 하드웨어: https://www.adafruit.com/product/2269

• 관련 가이드 문서: https://learn.adafruit.com/introducing-the-adafruit-bluefruit-le-sniffer/nordic-nrfsniffer

• wireshark는 1.12.1을 쓴다. : https://www.wireshark.org/download/win64/all-versions/

• 프레임간 시간 확인 방법:

  • frame.time_delta > 0.03
  • https://osqa-ask.wireshark.org/questions/21101/how-to-view-all-frames-who-have-delay-for-more-than-or-less-than-5-ms

• 간단하게필요한건: sniffer: 1.0.1, driver(시리얼통신용), wireshark 1.12.1

Win as beacon

• 소스코드: https://github.com/huysentruitw/win-beacon

브로드캐스팅

• nrf 예제: https://github.com/NordicPlayground/nRF51-multi-role-conn-observer-advertiser

• 데이터 포맷: https://www.silabs.com/community/wireless/bluetooth/knowledge-base.entry.html/2017/02/10/bluetooth_advertisin-hGsf

• 기본 개념 정리 https://stackoverflow.com/questions/53342122/is-it-possible-to-send-data-with-ble-broadcast-mode