Tizian 「ティツィアーン」
cd72cf6ccc
On Android, the Loop through Polar's BLE SDK 8.3.0 (from JitPack, asked for Polar's group alone, its files pinned by SHA-256 in Gradle's verification metadata): LoopBridge.kt over app.halkyon.train/loop, the first-time use's figures mapped and checked in LoopSetup.kt, tested on the JVM. PolarLoop per person remembers the band in loop.json, connects while the app is open, sets its clock at each connection, keeps what it tells (battery, charging, firmware), offers a changed profile and sends it only when asked (D35: first-time use writes a new user identifier each time), and lets the band go by a factory reset after asking. The setup sheet finds Loops nearest first and asks only for what the profile lacks; Polar's defaults (60, 220 less the age, a VO2max from Polar's fitness tables) go to the band alone. Polar's SDK is not free software (D36, correcting D32): the app's AGPL gains a section 7 permission for linking it, LICENSE.md names it, and its licence and bundled notices join the licence list on Android. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Signed-off-by: Tizian 「ティツィアーン」 <raisondetredev@pm.me>
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Additional permission for Polar's BLE SDK
Train's app (apps/train/halkyon_train_flutter) is under the GNU Affero General Public
License, version 3 or any later version (LICENSE). Its Android build links Polar
Electro Oy's Polar BLE SDK for the Polar Loop (ADR 0030, D34, D36), which is under
Polar's Software Development Kit Limited License Agreement, not a free licence
(assets/licences/Polar_SDK_License.txt). For that, its licensors add this permission,
under section 7 of the GNU AGPL version 3:
Additional permission under GNU AGPL version 3 section 7
If you modify this Program, or any covered work, by linking or combining it with the Polar BLE SDK of Polar Electro Oy (or a modified version of that library), containing parts covered by the terms of Polar's Software Development Kit Limited License Agreement, the licensors of this Program grant you additional permission to convey the resulting work. Corresponding Source for a non-source form of such a combination shall include the source code for the parts of this Program used, but not for the parts of the Polar BLE SDK used.
The SDK's own terms still bind whoever conveys it: Polar's agreement allows its object code to be distributed only together with an app and to move data between Polar's devices and that app, and Polar may end it.