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Flipper Zero Dolphin state decode
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| import 'dart:typed_data'; | |
| import 'dart:convert'; | |
| main() { | |
| final foo = Uint8List.fromList(data); | |
| final checksum = Uint8List(1); | |
| for (int i = 8; i < foo.length; i++) { | |
| checksum[0] += foo[i]; | |
| } | |
| print('checksum: $checksum -> 0x${checksum[0].toRadixString(16)}'); | |
| printData(foo); | |
| printData(Uint8List.fromList(data2)); | |
| } | |
| printData(Uint8List data) { | |
| final b = data.buffer.asByteData(); | |
| final map = { | |
| 'magic': b.getUint8(0), | |
| 'version': b.getUint8(1), | |
| 'checksum': b.getUint8(2), | |
| 'flags': b.getUint8(3), | |
| 'timestamp': b.getUint32(4), | |
| 'dailyLimits': { | |
| 'subGhz': b.getUint8(8), | |
| 'rfid': b.getUint8(9), | |
| 'nfc': b.getUint8(10), | |
| 'ir': b.getUint8(11), | |
| 'iButton': b.getUint8(12), | |
| 'badUsb': b.getUint8(13), | |
| 'u2f': b.getUint8(14), | |
| 'butthurt': b.getUint8(15), | |
| }, | |
| 'flags32': b.getUint32(16, Endian.little), | |
| 'iCounter32': b.getUint32(20, Endian.little), | |
| 'butthurt32': b.getInt32(24, Endian.little), | |
| 'timestamp64': ((BigInt.from(b.getUint32(28, Endian.little)) << 32) | | |
| BigInt.from(b.getUint32(32, Endian.little))) | |
| .toString(), | |
| }; | |
| print(JsonEncoder.withIndent(' ').convert(map)); | |
| } | |
| final data = [ | |
| 0xD0, // magic - begin header | |
| 0x01, // version | |
| 0x1D, // checksum (all bytes of data added together) | |
| 0x00, // flags (0) | |
| 0x00, // timestamp | |
| 0x00, // " | |
| 0x00, // " | |
| 0x00, // " - end of header | |
| // Daily Limits | |
| 0x0F, // SubGhz | |
| 0x02, // Rfid | |
| 0x0F, // Nfc | |
| 0x00, // Ir | |
| 0x00, // Ibutton | |
| 0x00, // BadUsb | |
| 0x00, // U2F | |
| /// | |
| 0x20, // butthurt Daily limit? | |
| 0x00, // flags32 | |
| 0x00, // " | |
| 0x00, // " | |
| 0x00, // " | |
| 0x45, // icounter32 | |
| 0x02, // " | |
| 0x00, // " | |
| 0x00, // " | |
| 0x00, // butthurt i32 | |
| 0x00, // " | |
| 0x00, // " | |
| 0x00, // " | |
| 0x00, // timestamp64 | |
| 0x00, // " | |
| 0x00, // " | |
| 0x00, // " | |
| 0x38, // " | |
| 0x78, // " | |
| 0x86, // " | |
| 0x62, // " | |
| 0x00, // dirty (bool) | |
| 0x00, // ? | |
| 0x00, // ? | |
| 0x00, // ? | |
| ]; | |
| final data2 = [ | |
| 0xD0, | |
| 0x01, | |
| 0x90, | |
| 0x00, | |
| 0x00, | |
| 0x00, | |
| 0x00, | |
| 0x00, | |
| 0x09, | |
| 0x00, | |
| 0x0F, | |
| 0x05, | |
| 0x00, | |
| 0x0F, | |
| 0x09, | |
| 0x2E, | |
| 0x00, | |
| 0x00, | |
| 0x00, | |
| 0x00, | |
| 0xE0, | |
| 0x02, | |
| 0x00, | |
| 0x00, | |
| 0x00, | |
| 0x00, | |
| 0x00, | |
| 0x00, | |
| 0x00, | |
| 0x00, | |
| 0x00, | |
| 0x00, | |
| 0xD2, | |
| 0x84, | |
| 0x93, | |
| 0x62, | |
| 0x00, | |
| 0x00, | |
| 0x00, | |
| 0x00, | |
| ]; |
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| checksum: [31] -> 0x1f | |
| { | |
| "magic": 208, | |
| "version": 1, | |
| "checksum": 29, | |
| "flags": 0, | |
| "timestamp": 0, | |
| "dailyLimits": { | |
| "subGhz": 15, | |
| "rfid": 2, | |
| "nfc": 15, | |
| "ir": 0, | |
| "iButton": 0, | |
| "badUsb": 0, | |
| "u2f": 0, | |
| "butthurt": 32 | |
| }, | |
| "flags32": 0, | |
| "iCounter32": 581, | |
| "butthurt32": 0, | |
| "timestamp64": "1652979768" | |
| } | |
| { | |
| "magic": 208, | |
| "version": 1, | |
| "checksum": 144, | |
| "flags": 0, | |
| "timestamp": 0, | |
| "dailyLimits": { | |
| "subGhz": 9, | |
| "rfid": 0, | |
| "nfc": 15, | |
| "ir": 5, | |
| "iButton": 0, | |
| "badUsb": 15, | |
| "u2f": 9, | |
| "butthurt": 46 | |
| }, | |
| "flags32": 0, | |
| "iCounter32": 736, | |
| "butthurt32": 0, | |
| "timestamp64": "1653834962" | |
| } |
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Flashing my own version of the firmware erased my data; I had a saved state from last week, but I knew about where the "xp" bar was - so this is how you do it...