Add message protobuf

meshtastic/deviceonly.proto

@@ -161,7 +161,7 @@ message DeviceState {
    * so we can show it on the screen.
    * Might be null
    */
-  MeshPacket rx_text_message = 7;
+   MeshPacket rx_text_message = 7;
 
   /*
    * Used only during development.
@@ -254,4 +254,4 @@ message OEMStore {
    * A Preset LocalModuleConfig to apply during factory reset
    */
   LocalModuleConfig oem_local_module_config = 8;
-}
+}

meshtastic/message.options

@@ -0,0 +1,6 @@
+# options for nanopb
+# https://jpa.kapsi.fi/nanopb/docs/reference.html#proto-file-options
+
+*Message.sender_short_name max_size:5
+*Message.content max_size:237
+*Message.category int_size:8

meshtastic/message.proto

@@ -0,0 +1,42 @@
+syntax = "proto3";
+
+package meshtastic;
+
+/*
+ * Representation of a received or sent message to be stored long-term to create a
+ * message history
+ */
+message Message {
+  /*
+   * The sending node number.
+   */
+  fixed32 from = 1;
+
+ /*
+  * Whether the message is from this device.
+  */
+  bool from_self = 2;
+
+  /*
+   * The text of the message.
+   */
+  string content = 3;
+
+  /*
+   * Values 1 through 7 indicate what secondary channel index this message was sent on.
+   * Value 0 indicates that this message was sent on the primary channel. Value 8
+   * indicates that this message was sent as a direct message.
+   */
+  uint32 category = 4;
+
+  /*
+   * The time this message was received using UNIX epoch time.
+   */
+   fixed32 rx_time = 5;
+
+  /*
+   * Whether we have received an ack for this message.
+   * NOTE: Not yet implemented.
+   */
+   bool rx_ack = 6;
+}