Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Features
Speaker Deck
PRO
Sign in
Sign up for free
Search
Search
MicroPython × BLE × テプラ 〜リバースエンジニアリングを添えて〜 /mic...
Search
Takumi Sueda
October 16, 2021
Technology
2
810
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
Takumi Sueda
October 16, 2021
Tweet
Share
More Decks by Takumi Sueda
See All by Takumi Sueda
組み込みLinuxの時系列
puhitaku
4
1.1k
電子辞書にステータスバーを実装する
puhitaku
0
200
知育おもちゃの遊び方 Lv. 999
puhitaku
5
2.8k
ルーターでプレゼンする
puhitaku
1
4.8k
AST as Black Magic
puhitaku
0
110
次世代の足下を舗装するコミュニティ
puhitaku
5
1.7k
電子辞書で学ぶ Linux のサスペンド
puhitaku
0
600
USB PD で迎える AC アダプター大統一時代
puhitaku
2
2.5k
電子辞書のアイデンティティを消す方法
puhitaku
3
3.9k
Other Decks in Technology
See All in Technology
Flutterによる 効率的なAndroid・iOS・Webアプリケーション開発の事例
recruitengineers
PRO
0
100
Lambda10周年!Lambdaは何をもたらしたか
smt7174
2
110
VideoMamba: State Space Model for Efficient Video Understanding
chou500
0
190
New Relicを活用したSREの最初のステップ / NRUG OKINAWA VOL.3
isaoshimizu
2
610
iOS/Androidで同じUI体験をネ イティブで作成する際に気をつ けたい落とし穴
fumiyasac0921
1
110
Evangelismo técnico: ¿qué, cómo y por qué?
trishagee
0
360
Amplify Gen2 Deep Dive / バックエンドの型をいかにしてフロントエンドへ伝えるか #TSKaigi #TSKaigiKansai #AWSAmplifyJP
tacck
PRO
0
380
Terraform Stacks入門 #HashiTalks
msato
0
350
ドメイン名の終活について - JPAAWG 7th -
mikit
33
20k
Amazon Personalizeのレコメンドシステム構築、実際何するの?〜大体10分で具体的なイメージをつかむ〜
kniino
1
100
OCI Security サービス 概要
oracle4engineer
PRO
0
6.5k
ExaDB-D dbaascli で出来ること
oracle4engineer
PRO
0
3.8k
Featured
See All Featured
BBQ
matthewcrist
85
9.3k
Let's Do A Bunch of Simple Stuff to Make Websites Faster
chriscoyier
506
140k
Facilitating Awesome Meetings
lara
50
6.1k
Designing Experiences People Love
moore
138
23k
XXLCSS - How to scale CSS and keep your sanity
sugarenia
246
1.3M
It's Worth the Effort
3n
183
27k
The Cult of Friendly URLs
andyhume
78
6k
The Art of Programming - Codeland 2020
erikaheidi
52
13k
What's new in Ruby 2.0
geeforr
343
31k
Imperfection Machines: The Place of Print at Facebook
scottboms
265
13k
GraphQLとの向き合い方2022年版
quramy
43
13k
GraphQLの誤解/rethinking-graphql
sonatard
67
10k
Transcript
MicroPython × BLE × PyCon JP 2021 @puhitaku
TEPRA 2
https://twitter.com/ejo 090 /status/ 425 52 334 04 306 96 448
3
https://twitter.com/okayan 08 /status/ 7 972 55 664 46 460 10
89 4
https://twitter.com/okayan 08 /status/ 5 658 60 495 74 418 43
22 5
https://www.kingjim.co.jp/products/tepra/sr 37 0 .html 6
TEPRA Lite LR 30 TEPRA Lite LR 3 0 https://www.kingjim.co.jp/sp/lr
3 0 / 7
TEPRA Lite LR 30 https://www.kingjim.co.jp/sp/lr 3 0 / 8
TEPRA Lite LR 30 9
TEPRA Lite LR 30 https://www.kingjim.co.jp/products/tepra/sr 37 0 .html 10
TEPRA Lite LR 30 11
TEPRA Lite LR 30 12
13
Bluetooth Low Energy (BLE) https://www.kingjim.co.jp/sp/lr 3 0 /feature/index.html 14
Switch Science Bluefruit LE Sni ff er 15
Wireshark 16
BLE 17 💻 ⚡
PC Bluetooth 2 Bluetooth Bluez Linux BT Python BLE 18
😇
PC Bluetooth API Wi-Fi BLE 🥰 BLE (ESP 3
2 ) 19 ESPr® Developer 32 https://www.switch-science.com/catalog/ 3 21 0 /
MicroPython × BLE × 20
MicroPython × BLE × Python json, time, asyncio (uasyncio), zlib
batteries included CPython (REPL) MicroPython machine GPIO MicroPython 21
MicroPython × BLE × BLE bluetooth bluetooth.BLE IRQ API gattc_discover_services
Service discovery prop_write_without_response Characteristic MicroPython BLE 22
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
MicroPython × BLE × 0xfff2 24 0 5
MicroPython × BLE × 25 f0 5c = 00 03
00 00 00 00 00 00 = 1 00 03 00 00 00 00 00 00 = 2
MicroPython × BLE × f0 5c 26
MicroPython × BLE × 1 27
MicroPython × BLE × 28
PC Wi-Fi ESP 3 2 29 💻 ⚡
MicroPython × BLE × 30 0 5 REST API zlib
/prints POST
MicroPython × BLE × 31 0 5 CLI Pillow QR
REST API https://github.com/hugokernel/micropython- nanoweb asyncio Flask API Web API nanoweb
32
MicroPython × BLE × https://github.com/puhitaku/tepra-lite-esp32 33 GitHub
MicroPython BLE MicroPython 34
None