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android: parse device info

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This commit is contained in:
Kavish Devar
2025-10-22 12:52:46 +05:30
parent ee9de99204
commit 1a2f5138a9
2 changed files with 63 additions and 9 deletions
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7
android/app/src/main/java/me/kavishdevar/librepods/services/AirPodsService.kt
View File

@@ -926,8 +926,11 @@ class AirPodsService : Service(), SharedPreferences.OnSharedPreferenceChangeList
)
}
override fun onDeviceMetadataReceived(deviceMetadata: ByteArray) {
override fun onDeviceInformationReceived(deviceInformation: AACPManager.Companion.AirPodsInformation) {
Log.d(
"AirPodsParser",
"Device Information: name: ${deviceInformation.name}, modelNumber: ${deviceInformation.modelNumber}, manufacturer: ${deviceInformation.manufacturer}, serialNumber: ${deviceInformation.serialNumber}, version1: ${deviceInformation.version1}, version2: ${deviceInformation.version2}, hardwareRevision: ${deviceInformation.hardwareRevision}, updaterIdentifier: ${deviceInformation.updaterIdentifier}, leftSerialNumber: ${deviceInformation.leftSerialNumber}, rightSerialNumber: ${deviceInformation.rightSerialNumber}, version3: ${deviceInformation.version3}"
)
}
@SuppressLint("NewApi")

65
android/app/src/main/java/me/kavishdevar/librepods/utils/AACPManager.kt
View File

@@ -42,7 +42,7 @@ class AACPManager {
const val CONTROL_COMMAND: Byte = 0x09
const val EAR_DETECTION: Byte = 0x06
const val CONVERSATION_AWARENESS: Byte = 0x4B
const val DEVICE_METADATA: Byte = 0x1D
const val INFORMATION: Byte = 0x1D
const val RENAME: Byte = 0x1E
const val HEADTRACKING: Byte = 0x17
const val PROXIMITY_KEYS_REQ: Byte = 0x30
@@ -181,6 +181,20 @@ class AACPManager {
val info2: Byte,
var type: String?
)
data class AirPodsInformation(
val name: String,
val modelNumber: String,
val manufacturer: String,
val serialNumber: String,
val version1: String,
val version2: String,
val hardwareRevision: String,
val updaterIdentifier: String,
val leftSerialNumber: String,
val rightSerialNumber: String,
val version3: String
)
}
var controlCommandStatusList: MutableList<ControlCommandStatus> =
@@ -239,7 +253,7 @@ class AACPManager {
fun onEarDetectionReceived(earDetection: ByteArray)
fun onConversationAwarenessReceived(conversationAwareness: ByteArray)
fun onControlCommandReceived(controlCommand: ByteArray)
fun onDeviceMetadataReceived(deviceMetadata: ByteArray)
fun onDeviceInformationReceived(deviceInformation: AirPodsInformation)
fun onHeadTrackingReceived(headTracking: ByteArray)
fun onUnknownPacketReceived(packet: ByteArray)
fun onProximityKeysReceived(proximityKeys: ByteArray)
@@ -481,10 +495,6 @@ class AACPManager {
callback?.onConversationAwarenessReceived(packet)
}
Opcodes.DEVICE_METADATA -> {
callback?.onDeviceMetadataReceived(packet)
}
Opcodes.HEADTRACKING -> {
if (packet.size < 70) {
Log.w(
@@ -584,8 +594,14 @@ class AACPManager {
eqData = FloatArray(8) { i -> eq1.get(i) }
Log.d(TAG, "EQ Data set to: ${eqData.toList()}, eqOnPhone: $eqOnPhone, eqOnMedia: $eqOnMedia")
}
Opcodes.INFORMATION -> {
Log.e(TAG, "Parsing Information Packet")
val information = parseInformationPacket(packet)
callback?.onDeviceInformationReceived(information)
}
else -> {
Log.d(TAG, "Unknown opcode received: ${opcode.toHexString()}")
callback?.onUnknownPacketReceived(packet)
}
}
@@ -1218,4 +1234,39 @@ class AACPManager {
connectedDevices = listOf()
audioSource = null
}
fun parseInformationPacket(packet: ByteArray): AirPodsInformation {
val data = packet.sliceArray(6 until packet.size)
var index = 0
while (index < data.size && data[index] != 0x00.toByte()) index++
val strings = mutableListOf<String>()
while (index < data.size) {
// skip 0x00 bytes
while (index < data.size && data[index] == 0x00.toByte()) index++
if (index >= data.size) break
val start = index
// find next 0x00 byte
while (index < data.size && data[index] != 0x00.toByte()) index++
val str = data.sliceArray(start until index).decodeToString()
strings.add(str)
}
strings.removeAt(0) // I'm too lazy to adjust, just removing the first empty string
return AirPodsInformation(
name = strings.getOrNull(0) ?: "",
modelNumber = strings.getOrNull(1) ?: "",
manufacturer = strings.getOrNull(2) ?: "",
serialNumber = strings.getOrNull(3) ?: "",
version1 = strings.getOrNull(4) ?: "",
version2 = strings.getOrNull(5) ?: "",
hardwareRevision = strings.getOrNull(6) ?: "",
updaterIdentifier = strings.getOrNull(7) ?: "",
leftSerialNumber = strings.getOrNull(8) ?: "",
rightSerialNumber = strings.getOrNull(9) ?: "",
version3 = strings.getOrNull(10) ?: "",
)
}
}