From eb42f6d262400fb32f8c242985af1acf12d9e7a9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Thomas=20G=C3=B6ttgens?= <tgoettgens@gmail.com>
Date: Sun, 2 Mar 2025 19:32:07 +0100
Subject: [PATCH] Indicator protos (#653)

---
 meshtastic/interdevice.options |  1 +
 meshtastic/interdevice.proto   | 44 ++++++++++++++++++++++++++++++++++
 2 files changed, 45 insertions(+)
 create mode 100644 meshtastic/interdevice.options
 create mode 100644 meshtastic/interdevice.proto

diff --git a/meshtastic/interdevice.options b/meshtastic/interdevice.options
new file mode 100644
index 0000000..97df282
--- /dev/null
+++ b/meshtastic/interdevice.options
@@ -0,0 +1 @@
+*InterdeviceMessage.nmea max_size:1024
diff --git a/meshtastic/interdevice.proto b/meshtastic/interdevice.proto
new file mode 100644
index 0000000..5b890b2
--- /dev/null
+++ b/meshtastic/interdevice.proto
@@ -0,0 +1,44 @@
+syntax = "proto3";
+
+package meshtastic;
+
+option csharp_namespace = "Meshtastic.Protobufs";
+option go_package = "github.com/meshtastic/go/generated";
+option java_outer_classname = "InterdeviceProtos";
+option java_package = "com.geeksville.mesh";
+option swift_prefix = "";
+
+// encapsulate up to 1k of NMEA string data
+
+enum MessageType {
+  ACK = 0;
+  COLLECT_INTERVAL = 160;  // in ms
+  BEEP_ON = 161;           // duration ms
+  BEEP_OFF = 162;          // cancel prematurely
+  SHUTDOWN = 163;
+  POWER_ON = 164;
+  SCD41_TEMP = 176;
+  SCD41_HUMIDITY = 177;
+  SCD41_CO2 = 178;
+  AHT20_TEMP = 179;
+  AHT20_HUMIDITY = 180;
+  TVOC_INDEX = 181;
+}
+
+message SensorData {
+  // The message type
+  MessageType type = 1;
+  // The sensor data, either as a float or an uint32
+  oneof data {
+    float float_value = 2;
+    uint32 uint32_value = 3;
+  }
+}
+
+message InterdeviceMessage {
+  // The message data
+  oneof data {
+    string nmea = 1;
+    SensorData sensor = 2;
+  }
+}
\ No newline at end of file