MicroPython × BLE × テプラ 〜リバースエンジニアリングを添えて〜 /micropython-ble-tepra

PyCon JP 2021 オンライン

Transcript

1. MicroPython × BLE × PyCon JP 2021 @puhitaku
2. TEPRA 2
3. https://twitter.com/ejo 090 /status/ 425 52 334 04 306 96 448 3
4. https://twitter.com/okayan 08 /status/ 7 972 55 664 46 460 10 89 4
5. https://twitter.com/okayan 08 /status/ 5 658 60 495 74 418 43 22 5
6. https://www.kingjim.co.jp/products/tepra/sr 37 0 .html 6
7. TEPRA Lite LR 30 TEPRA Lite LR 3 0 https://www.kingjim.co.jp/sp/lr 3 0 / 7
8. TEPRA Lite LR 30 https://www.kingjim.co.jp/sp/lr 3 0 / 8
9. TEPRA Lite LR 30 9
10. TEPRA Lite LR 30 
 https://www.kingjim.co.jp/products/tepra/sr 37 0 .html 10
11. TEPRA Lite LR 30 11
12. TEPRA Lite LR 30 12
14. Bluetooth Low Energy (BLE) https://www.kingjim.co.jp/sp/lr 3 0 /feature/index.html 14
15. Switch Science Bluefruit LE Sni ff er 15
16. Wireshark 16
17. BLE 17 💻 ⚡
18. PC Bluetooth 2 Bluetooth Bluez Linux BT Python BLE 18 😇
19. PC Bluetooth API 
 Wi-Fi BLE 🥰 BLE (ESP 3 2 ) 19 ESPr® Developer 32 https://www.switch-science.com/catalog/ 3 21 0 /
20. MicroPython × BLE × 20
21. MicroPython × BLE × Python json, time, asyncio (uasyncio), zlib batteries included CPython (REPL) 
 MicroPython machine 
 GPIO MicroPython 21
22. MicroPython × BLE × BLE bluetooth bluetooth.BLE IRQ API gattc_discover_services Service discovery prop_write_without_response Characteristic MicroPython BLE 22
23. MicroPython × BLE × 0x180f Battery Service … 0x2a19 Battery Level Characteristic 0xfff0 TEPRA Lite Service 0xfff1 TEPRA Lite Char. … Notify (RX) 0xfff2 TEPRA Lite Char. … Write Without Response (TX) ESP 3 2 Service Characteristic 23 Characteristic
24. MicroPython × BLE × 0xfff2 24 0 5
25. MicroPython × BLE × 25 f0 5c = 00 03 00 00 00 00 00 00 = 1 00 03 00 00 00 00 00 00 = 2
26. MicroPython × BLE × f0 5c 26
27. MicroPython × BLE × 1 27
28. MicroPython × BLE × 
 28
29. PC Wi-Fi ESP 3 2 29 💻 ⚡
30. MicroPython × BLE × 30 0 5 REST API zlib /prints POST
31. MicroPython × BLE × 31 0 5 CLI Pillow QR
32. REST API https://github.com/hugokernel/micropython- nanoweb asyncio Flask API Web API nanoweb 32
33. MicroPython × BLE × https://github.com/puhitaku/tepra-lite-esp32 33 GitHub
34. MicroPython 
 BLE 
 
 
 MicroPython 34