syntax = "proto3";

option java_package = "com.geeksville.mesh";
option java_outer_classname = "Portnums";
option optimize_for = LITE_RUNTIME;
option go_package = "github.com/meshtastic/go/generated";

/*
 * For any new 'apps' that run on the device or via sister apps on phones/PCs they should pick and use a
 * unique 'portnum' for their application.
 * If you are making a new app using meshtastic, please send in a pull request to add your 'portnum' to this
 * master table.
 * PortNums should be assigned in the following range:
 * 0-63   Core Meshtastic use, do not use for third party apps
 * 64-127 Registered 3rd party apps, send in a pull request that adds a new entry to portnums.proto to  register your application
 * 256-511 Use one of these portnums for your private applications that you don't want to register publically
 * All other values are reserved.
 * Note: This was formerly a Type enum named 'typ' with the same id #
 * We have change to this 'portnum' based scheme for specifying app handlers for particular payloads.
 * This change is backwards compatible by treating the legacy OPAQUE/CLEAR_TEXT values identically.
 */
enum PortNum {

  /*
   * Deprecated: do not use in new code (formerly called OPAQUE)
   * A message sent from a device outside of the mesh, in a form the mesh does not understand
   * NOTE: This must be 0, because it is documented in IMeshService.aidl to be so
   */
  UNKNOWN_APP = 0;

  /*
   * A simple UTF-8 text message, which even the little micros in the mesh
   * can understand and show on their screen eventually in some circumstances
   * even signal might send messages in this form (see below)
   */
  TEXT_MESSAGE_APP = 1;

  /*
   * Reserved for built-in GPIO/example app.
   * See remote_hardware.proto/HardwareMessage for details on the message sent/received to this port number
   */
  REMOTE_HARDWARE_APP = 2;

  /*
   * The built-in position messaging app.
   * Payload is a [Position](/docs/developers/protobufs/api#position) message
   */
  POSITION_APP = 3;

  /*
   * The built-in user info app.
   * Payload is a [User](/docs/developers/protobufs/api#user) message
   */
  NODEINFO_APP = 4;

  /*
   * Protocol control packets for mesh protocol use.
   * Payload is a [Routing](/docs/developers/protobufs/api#routing) message
   */
  ROUTING_APP = 5;

  /*
   * Admin control packets.
   * Payload is a [AdminMessage](/docs/developers/protobufs/api#adminmessage) message
   */
  ADMIN_APP = 6;

  /*
   * Compressed TEXT_MESSAGE payloads.
   */
  TEXT_MESSAGE_COMPRESSED_APP = 7;

  /*
   * Waypoint payloads.
   * Payload is a [Waypoint](/docs/developers/protobufs/api#waypoint) message
   */
  WAYPOINT_APP = 8;

  /* Audio Payloads.
   * Encapsulated codec2 packets. On 2.4 GHZ Bandwidths only for now
   */
  AUDIO_APP = 9;

  /*
   * Provides a 'ping' service that replies to any packet it receives.
   * Also serves as a small example module.
   */
  REPLY_APP = 32;

  /*
   * Used for the python IP tunnel feature
   */
  IP_TUNNEL_APP = 33;

  /*
   * Provides a hardware serial interface to send and receive from the Meshtastic network.
   * Connect to the RX/TX pins of a device with 38400 8N1. Packets received from the Meshtastic
   * network is forwarded to the RX pin while sending a packet to TX will go out to the Mesh network.
   * Maximum packet size of 240 bytes.
   * Module is disabled by default can be turned on by setting SERIAL_MODULE_ENABLED = 1 in SerialPlugh.cpp.
   */
  SERIAL_APP = 64;

  /*
   * STORE_FORWARD_APP (Work in Progress)
   * Maintained by Jm Casler (MC Hamster) : jm@casler.org
   */
  STORE_FORWARD_APP = 65;

  /*
   * Optional port for messages for the range test module.
   */
  RANGE_TEST_APP = 66;

  /*
   * Provides a format to send and receive telemetry data from the Meshtastic network.
   * Maintained by Charles Crossan (crossan007) : crossan007@gmail.com
   */
  TELEMETRY_APP = 67;

  /*
   * Experimental tools for estimating node position without a GPS
   * Maintained by Github user a-f-G-U-C (a Meshtastic contributor)
   * Project files at https://github.com/a-f-G-U-C/Meshtastic-ZPS
   */
  ZPS_APP = 68;

  /*
   * Used to let multiple instances of Linux native applications communicate 
   * as if they did using their LoRa chip.
   * Maintained by GitHub user GUVWAF. 
   * Project files at https://github.com/GUVWAF/Meshtasticator 
   */
  SIMULATOR_APP = 69;

  /*
   * Private applications should use portnums >= 256.
   * To simplify initial development and testing you can use "PRIVATE_APP"
   * in your code without needing to rebuild protobuf files (via [regen-protos.sh](https://github.com/meshtastic/firmware/blob/master/bin/regen-protos.sh))
   */
  PRIVATE_APP = 256;

  /*
   * ATAK Forwarder Module https://github.com/paulmandal/atak-forwarder
   */
  ATAK_FORWARDER = 257;

  /*
   * Currently we limit port nums to no higher than this value
   */
  MAX = 511;
}