Files
librepods/android/app/src/main/java/me/kavishdevar/aln/Packets.kt
T

208 lines
8.0 KiB
Kotlin

@file:Suppress("unused")
package me.kavishdevar.aln
import android.os.Parcelable
import kotlinx.parcelize.Parcelize
enum class Enums(val value: ByteArray) {
NOISE_CANCELLATION(Capabilities.NOISE_CANCELLATION),
CONVERSATION_AWARENESS(Capabilities.CONVERSATION_AWARENESS),
CUSTOMIZABLE_ADAPTIVE_TRANSPARENCY(Capabilities.CUSTOMIZABLE_ADAPTIVE_TRANSPARENCY),
PREFIX(byteArrayOf(0x04, 0x00, 0x04, 0x00)),
SETTINGS(byteArrayOf(0x09, 0x00)),
SUFFIX(byteArrayOf(0x00, 0x00, 0x00)),
NOTIFICATION_FILTER(byteArrayOf(0x0f)),
HANDSHAKE(byteArrayOf(0x00, 0x00, 0x04, 0x00, 0x01, 0x00, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00)),
SPECIFIC_FEATURES(byteArrayOf(0x4d)),
SET_SPECIFIC_FEATURES(PREFIX.value + SPECIFIC_FEATURES.value + byteArrayOf(0x00,
0xff.toByte(), 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00)),
REQUEST_NOTIFICATIONS(PREFIX.value + NOTIFICATION_FILTER.value + byteArrayOf(0x00, 0xff.toByte(), 0xff.toByte(), 0xff.toByte(), 0xff.toByte())),
NOISE_CANCELLATION_PREFIX(PREFIX.value + SETTINGS.value + NOISE_CANCELLATION.value),
NOISE_CANCELLATION_OFF(NOISE_CANCELLATION_PREFIX.value + Capabilities.NoiseCancellation.OFF.value + SUFFIX.value),
NOISE_CANCELLATION_ON(NOISE_CANCELLATION_PREFIX.value + Capabilities.NoiseCancellation.ON.value + SUFFIX.value),
NOISE_CANCELLATION_TRANSPARENCY(NOISE_CANCELLATION_PREFIX.value + Capabilities.NoiseCancellation.TRANSPARENCY.value + SUFFIX.value),
NOISE_CANCELLATION_ADAPTIVE(NOISE_CANCELLATION_PREFIX.value + Capabilities.NoiseCancellation.ADAPTIVE.value + SUFFIX.value),
SET_CONVERSATION_AWARENESS_OFF(PREFIX.value + SETTINGS.value + CONVERSATION_AWARENESS.value + Capabilities.ConversationAwareness.OFF.value + SUFFIX.value),
SET_CONVERSATION_AWARENESS_ON(PREFIX.value + SETTINGS.value + CONVERSATION_AWARENESS.value + Capabilities.ConversationAwareness.ON.value + SUFFIX.value),
CONVERSATION_AWARENESS_RECEIVE_PREFIX(PREFIX.value + byteArrayOf(0x4b, 0x00, 0x02, 0x00));
}
object BatteryComponent {
const val LEFT = 4
const val RIGHT = 2
const val CASE = 8
}
object BatteryStatus {
const val CHARGING = 1
const val NOT_CHARGING = 2
const val DISCONNECTED = 4
}
@Parcelize
data class Battery(val component: Int, val level: Int, val status: Int) : Parcelable {
fun getComponentName(): String? {
return when (component) {
BatteryComponent.LEFT -> "LEFT"
BatteryComponent.RIGHT -> "RIGHT"
BatteryComponent.CASE -> "CASE"
else -> null
}
}
fun getStatusName(): String? {
return when (status) {
BatteryStatus.CHARGING -> "CHARGING"
BatteryStatus.NOT_CHARGING -> "NOT_CHARGING"
BatteryStatus.DISCONNECTED -> "DISCONNECTED"
else -> null
}
}
}
enum class NoiseControlMode {
OFF, NOISE_CANCELLATION, TRANSPARENCY, ADAPTIVE
}
class AirPodsNotifications {
companion object {
const val AIRPODS_CONNECTED = "me.kavishdevar.aln.AIRPODS_CONNECTED"
const val AIRPODS_DATA = "me.kavishdevar.aln.AIRPODS_DATA"
const val EAR_DETECTION_DATA = "me.kavishdevar.aln.EAR_DETECTION_DATA"
const val ANC_DATA = "me.kavishdevar.aln.ANC_DATA"
const val BATTERY_DATA = "me.kavishdevar.aln.BATTERY_DATA"
const val CA_DATA = "me.kavishdevar.aln.CA_DATA"
const val AIRPODS_DISCONNECTED = "me.kavishdevar.aln.AIRPODS_DISCONNECTED"
const val AIRPODS_CONNECTION_DETECTED = "me.kavishdevar.aln.AIRPODS_CONNECTION_DETECTED"
}
class EarDetection {
private val notificationBit = Capabilities.EAR_DETECTION
private val notificationPrefix = Enums.PREFIX.value + notificationBit
var status: List<Byte> = listOf(0x01, 0x01)
fun setStatus(data: ByteArray) {
status = listOf(data[6], data[7])
}
fun isEarDetectionData(data: ByteArray): Boolean {
if (data.size != 8) {
return false
}
val prefixHex = notificationPrefix.joinToString("") { "%02x".format(it) }
val dataHex = data.joinToString("") { "%02x".format(it) }
return dataHex.startsWith(prefixHex)
}
}
class ANC {
private val notificationPrefix = Enums.NOISE_CANCELLATION_PREFIX.value
var status: Int = 1
private set
fun isANCData(data: ByteArray): Boolean {
if (data.size != 11) {
return false
}
val prefixHex = notificationPrefix.joinToString("") { "%02x".format(it) }
val dataHex = data.joinToString("") { "%02x".format(it) }
return dataHex.startsWith(prefixHex)
}
fun setStatus(data: ByteArray) {
status = data[7].toInt()
}
val name: String =
when (status) {
1 -> "OFF"
2 -> "ON"
3 -> "TRANSPARENCY"
4 -> "ADAPTIVE"
else -> "UNKNOWN"
}
}
class BatteryNotification {
private var first: Battery = Battery(BatteryComponent.LEFT, 0, BatteryStatus.DISCONNECTED)
private var second: Battery = Battery(BatteryComponent.RIGHT, 0, BatteryStatus.DISCONNECTED)
private var case: Battery = Battery(BatteryComponent.CASE, 0, BatteryStatus.DISCONNECTED)
fun isBatteryData(data: ByteArray): Boolean {
if (data.size != 22) {
return false
}
return data[0] == 0x04.toByte() && data[1] == 0x00.toByte() && data[2] == 0x04.toByte() &&
data[3] == 0x00.toByte() && data[4] == 0x04.toByte() && data[5] == 0x00.toByte()
}
fun setBattery(data: ByteArray) {
first = if (data[10].toInt() == BatteryStatus.DISCONNECTED) {
Battery(first.component, first.level, data[10].toInt())
} else {
Battery(data[7].toInt(), data[9].toInt(), data[10].toInt())
}
second = if (data[15].toInt() == BatteryStatus.DISCONNECTED) {
Battery(second.component, second.level, data[15].toInt())
} else {
Battery(data[12].toInt(), data[14].toInt(), data[15].toInt())
}
case = if (data[20].toInt() == BatteryStatus.DISCONNECTED && case.status != BatteryStatus.DISCONNECTED) {
Battery(case.component, case.level, data[20].toInt())
} else {
Battery(data[17].toInt(), data[19].toInt(), data[20].toInt())
}
}
fun getBattery(): List<Battery> {
val left = if (first.component == BatteryComponent.LEFT) first else second
val right = if (first.component == BatteryComponent.LEFT) second else first
return listOf(left, right, case)
}
}
class ConversationalAwarenessNotification {
private val NOTIFICATION_PREFIX = Enums.CONVERSATION_AWARENESS_RECEIVE_PREFIX.value
var status: Byte = 0
private set
fun isConversationalAwarenessData(data: ByteArray): Boolean {
if (data.size != 10) {
return false
}
val prefixHex = NOTIFICATION_PREFIX.joinToString("") { "%02x".format(it) }
val dataHex = data.joinToString("") { "%02x".format(it) }
return dataHex.startsWith(prefixHex)
}
fun setData(data: ByteArray) {
status = data[9]
}
}
}
class Capabilities {
companion object {
val NOISE_CANCELLATION = byteArrayOf(0x0d)
val CONVERSATION_AWARENESS = byteArrayOf(0x28)
val CUSTOMIZABLE_ADAPTIVE_TRANSPARENCY = byteArrayOf(0x01, 0x02)
val EAR_DETECTION = byteArrayOf(0x06)
}
enum class NoiseCancellation(val value: ByteArray) {
OFF(byteArrayOf(0x01)),
ON(byteArrayOf(0x02)),
TRANSPARENCY(byteArrayOf(0x03)),
ADAPTIVE(byteArrayOf(0x04));
}
enum class ConversationAwareness(val value: ByteArray) {
OFF(byteArrayOf(0x02)),
ON(byteArrayOf(0x01));
}
}