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30d16e9977
I made this a while back, it is very incomplete, just adding in case anyone's looking for the opcodes
3.0 KiB
3.0 KiB
AACP opcodes
AACP (Apple Accessory Communication Protocol) uses various opcodes to define different types of actions and commands. Each opcode is a 16-bit integer that specifies the kind of operation being performed. The opcode is sent in little-endian format as part of the AACP packet structure.
| Opcode (Hex) | Destination | Description |
|---|---|---|
| 0x0001 | Accessory | Unknown |
| 0x0004 | Host | Battery report |
| 0x0006 | Host | Ear detection |
| 0x0009 | Both | Control commands |
| 0x000D | Accessory | Audio source req |
| 0x000E | Host | Audio source resp |
| 0x000F | Accessory | Notification register |
| 0x0010 | Accessory | Smart routing relay |
| 0x0011 | Host | Smart routing response |
| 0x0014 | Accessory | Send connected device MAC |
| 0x0017 | Both | Multiple things - undocumented |
| 0x0019 | Host | Stem press |
| 0x001B | Accessory | Timestamp |
| 0x001D | Host | Device Information |
| 0x001E | Accessory | Rename device |
| 0x0022 | Accessory | Unknown |
| 0x0029 | Accessory | Host capabilities (?) |
| 0x002B | Host | Paired devices (?) |
| 0x002D | Accessory | List of connected dev. req |
| 0x002E | Host | List of connected devices |
| 0x0030 | Accessory | BLE keys req |
| 0x0031 | Host | BLE keys response |
| 0x004B | Host | Conversation awareness |
| 0x004D | Accessory | Host capabilities |
| 0x004F | Both | Information req/res (doesn't work, even with apple's DID) |
| 0x0053 | Both | EQ data |