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| author | Arslaan Pathan <[email protected]> | 2026-03-29 17:02:55 +1300 |
|---|---|---|
| committer | Arslaan Pathan <[email protected]> | 2026-03-29 17:02:55 +1300 |
| commit | 192a31cbf52dcaf05c2aaaee890c06856d019720 (patch) | |
| tree | 7bffa6bd94a31548185680b3d91fb5aeacb98b65 | |
| parent | 83c3b04e32813500b3e0431795c90242349f0172 (diff) | |
| download | zwzn-freefit-re-192a31cbf52dcaf05c2aaaee890c06856d019720.tar.xz zwzn-freefit-re-192a31cbf52dcaf05c2aaaee890c06856d019720.zip | |
markdown doesnt like me
| -rw-r--r-- | README.md | 8 |
1 files changed, 3 insertions, 5 deletions
@@ -1,6 +1,4 @@ -# zwzn-freefit-re - -Reverse-engineering a sketchy Chinese watch app +# zwzn-freefit-re Reverse-engineering a sketchy Chinese watch app Documentation/protocols derived from decompiled FereFit Android app (jadx) (com.czw.freefit, SHENZHEN ZHONGWEI INTELLIGENT TECHNOLOGY Co.,Ltd) @@ -79,8 +77,8 @@ byte[2] = 0x01 to start measuring, else 0x00 Heart rate possible responses: -- Generic measurements: 0x94 <measurement>, e.g. 0x94 0x55 -- Aggregate measurements: 0xE1 <measurement 1> 0x00 0x00 0x00 <measurement 2> <measurement 3> <measurement 4> 0x00, e.g. 0xE1 0x58 0x00 0x00 0x00 0x57 0x58 0x55 0x00 +- Generic measurements: `0x94 <measurement>`, e.g. `0x94 0x55` +- Aggregate measurements: `0xE1 <measurement 1> 0x00 0x00 0x00 <measurement 2> <measurement 3> <measurement 4> 0x00`, e.g. `0xE1 0x58 0x00 0x00 0x00 0x57 0x58 0x55 0x00` Other responses (blood oxygen, blood pressure, blood sugar) have not been tested yet. |