mirror of
https://github.com/meshtastic/Meshtastic-Android.git
synced 2026-04-20 22:23:37 +00:00
241 lines
8.4 KiB
Kotlin
241 lines
8.4 KiB
Kotlin
/*
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* Copyright (c) 2025 Meshtastic LLC
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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package com.geeksville.mesh
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import android.graphics.Color
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import android.os.Parcelable
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import com.geeksville.mesh.util.GPSFormat
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import com.geeksville.mesh.util.bearing
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import com.geeksville.mesh.util.latLongToMeter
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import com.geeksville.mesh.util.anonymize
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import kotlinx.parcelize.Parcelize
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//
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// model objects that directly map to the corresponding protobufs
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//
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@Parcelize
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data class MeshUser(
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val id: String,
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val longName: String,
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val shortName: String,
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val hwModel: MeshProtos.HardwareModel,
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val isLicensed: Boolean = false,
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val role: Int = 0,
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) : Parcelable {
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override fun toString(): String {
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return "MeshUser(id=${id.anonymize}, " +
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"longName=${longName.anonymize}, " +
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"shortName=${shortName.anonymize}, " +
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"hwModel=$hwModelString, " +
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"isLicensed=$isLicensed, " +
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"role=$role)"
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}
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/** Create our model object from a protobuf.
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*/
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constructor(p: MeshProtos.User) : this(
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p.id,
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p.longName,
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p.shortName,
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p.hwModel,
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p.isLicensed,
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p.roleValue
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)
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/** a string version of the hardware model, converted into pretty lowercase and changing _ to -, and p to dot
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* or null if unset
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* */
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val hwModelString: String?
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get() =
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if (hwModel == MeshProtos.HardwareModel.UNSET) null
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else hwModel.name.replace('_', '-').replace('p', '.').lowercase()
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}
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@Parcelize
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data class Position(
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val latitude: Double,
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val longitude: Double,
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val altitude: Int,
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val time: Int = currentTime(), // default to current time in secs (NOT MILLISECONDS!)
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val satellitesInView: Int = 0,
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val groundSpeed: Int = 0,
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val groundTrack: Int = 0, // "heading"
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val precisionBits: Int = 0,
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) : Parcelable {
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companion object {
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/// Convert to a double representation of degrees
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fun degD(i: Int) = i * 1e-7
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fun degI(d: Double) = (d * 1e7).toInt()
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fun currentTime() = (System.currentTimeMillis() / 1000).toInt()
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}
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/** Create our model object from a protobuf. If time is unspecified in the protobuf, the provided default time will be used.
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*/
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constructor(position: MeshProtos.Position, defaultTime: Int = currentTime()) : this(
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// We prefer the int version of lat/lon but if not available use the depreciated legacy version
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degD(position.latitudeI),
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degD(position.longitudeI),
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position.altitude,
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if (position.time != 0) position.time else defaultTime,
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position.satsInView,
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position.groundSpeed,
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position.groundTrack,
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position.precisionBits
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)
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/// @return distance in meters to some other node (or null if unknown)
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fun distance(o: Position) = latLongToMeter(latitude, longitude, o.latitude, o.longitude)
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/// @return bearing to the other position in degrees
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fun bearing(o: Position) = bearing(latitude, longitude, o.latitude, o.longitude)
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// If GPS gives a crap position don't crash our app
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fun isValid(): Boolean {
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return latitude != 0.0 && longitude != 0.0 &&
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(latitude >= -90 && latitude <= 90.0) &&
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(longitude >= -180 && longitude <= 180)
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}
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fun gpsString(gpsFormat: Int): String = when (gpsFormat) {
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ConfigProtos.Config.DisplayConfig.GpsCoordinateFormat.DEC_VALUE -> GPSFormat.DEC(this)
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ConfigProtos.Config.DisplayConfig.GpsCoordinateFormat.DMS_VALUE -> GPSFormat.DMS(this)
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ConfigProtos.Config.DisplayConfig.GpsCoordinateFormat.UTM_VALUE -> GPSFormat.UTM(this)
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ConfigProtos.Config.DisplayConfig.GpsCoordinateFormat.MGRS_VALUE -> GPSFormat.MGRS(this)
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else -> GPSFormat.DEC(this)
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}
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override fun toString(): String {
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return "Position(lat=${latitude.anonymize}, lon=${longitude.anonymize}, alt=${altitude.anonymize}, time=${time})"
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}
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}
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@Parcelize
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data class DeviceMetrics(
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val time: Int = currentTime(), // default to current time in secs (NOT MILLISECONDS!)
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val batteryLevel: Int = 0,
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val voltage: Float,
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val channelUtilization: Float,
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val airUtilTx: Float,
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val uptimeSeconds: Int,
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) : Parcelable {
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companion object {
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fun currentTime() = (System.currentTimeMillis() / 1000).toInt()
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}
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/** Create our model object from a protobuf.
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*/
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constructor(p: TelemetryProtos.DeviceMetrics, telemetryTime: Int = currentTime()) : this(
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telemetryTime,
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p.batteryLevel,
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p.voltage,
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p.channelUtilization,
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p.airUtilTx,
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p.uptimeSeconds,
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)
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}
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@Parcelize
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data class EnvironmentMetrics(
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val time: Int = currentTime(), // default to current time in secs (NOT MILLISECONDS!)
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val temperature: Float,
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val relativeHumidity: Float,
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val barometricPressure: Float,
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val gasResistance: Float,
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val voltage: Float,
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val current: Float,
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val iaq: Int,
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) : Parcelable {
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companion object {
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fun currentTime() = (System.currentTimeMillis() / 1000).toInt()
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}
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}
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@Parcelize
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data class NodeInfo(
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val num: Int, // This is immutable, and used as a key
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var user: MeshUser? = null,
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var position: Position? = null,
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var snr: Float = Float.MAX_VALUE,
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var rssi: Int = Int.MAX_VALUE,
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var lastHeard: Int = 0, // the last time we've seen this node in secs since 1970
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var deviceMetrics: DeviceMetrics? = null,
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var channel: Int = 0,
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var environmentMetrics: EnvironmentMetrics? = null,
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var hopsAway: Int = 0
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) : Parcelable {
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val colors: Pair<Int, Int>
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get() { // returns foreground and background @ColorInt for each 'num'
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val r = (num and 0xFF0000) shr 16
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val g = (num and 0x00FF00) shr 8
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val b = num and 0x0000FF
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val brightness = ((r * 0.299) + (g * 0.587) + (b * 0.114)) / 255
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return (if (brightness > 0.5) Color.BLACK else Color.WHITE) to Color.rgb(r, g, b)
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}
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val batteryLevel get() = deviceMetrics?.batteryLevel
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val voltage get() = deviceMetrics?.voltage
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val batteryStr get() = if (batteryLevel in 1..100) String.format("%d%%", batteryLevel) else ""
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/**
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* true if the device was heard from recently
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*/
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val isOnline: Boolean
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get() {
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val now = System.currentTimeMillis() / 1000
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val timeout = 15 * 60
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return (now - lastHeard <= timeout)
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}
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/// return the position if it is valid, else null
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val validPosition: Position?
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get() {
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return position?.takeIf { it.isValid() }
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}
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/// @return distance in meters to some other node (or null if unknown)
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fun distance(o: NodeInfo?): Int? {
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val p = validPosition
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val op = o?.validPosition
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return if (p != null && op != null) p.distance(op).toInt() else null
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}
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/// @return bearing to the other position in degrees
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fun bearing(o: NodeInfo?): Int? {
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val p = validPosition
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val op = o?.validPosition
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return if (p != null && op != null) p.bearing(op).toInt() else null
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}
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/// @return a nice human readable string for the distance, or null for unknown
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fun distanceStr(o: NodeInfo?, prefUnits: Int = 0) = distance(o)?.let { dist ->
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when {
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dist == 0 -> null // same point
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prefUnits == ConfigProtos.Config.DisplayConfig.DisplayUnits.METRIC_VALUE && dist < 1000 -> "%.0f m".format(dist.toDouble())
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prefUnits == ConfigProtos.Config.DisplayConfig.DisplayUnits.METRIC_VALUE && dist >= 1000 -> "%.1f km".format(dist / 1000.0)
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prefUnits == ConfigProtos.Config.DisplayConfig.DisplayUnits.IMPERIAL_VALUE && dist < 1609 -> "%.0f ft".format(dist.toDouble()*3.281)
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prefUnits == ConfigProtos.Config.DisplayConfig.DisplayUnits.IMPERIAL_VALUE && dist >= 1609 -> "%.1f mi".format(dist / 1609.34)
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else -> null
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}
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}
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}
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