Refactor ESP-NOW air protocol to nanopb protobuf.

Add esp_now_messages.proto with EspNowMessage types, encode/decode helpers, and Makefile targets to regenerate firmware and UART schemas together. Co-authored-by: Cursor <cursoragent@cursor.com>
2026-05-18 22:44:57 +02:00
parent 6cdca4f3ad
commit 755bdd92d7
9 changed files with 405 additions and 100 deletions
@@ -0,0 +1,32 @@
+syntax = "proto3";
+
+package alox;
+
+enum EspNowMessageType {
+  ESPNOW_UNKNOWN = 0;
+  ESPNOW_DISCOVER = 1;
+  ESPNOW_SLAVE_INFO = 2;
+  ESPNOW_HEARTBEAT = 3;
+}
+
+message EspNowDiscover {
+  uint32 network = 1;
+}
+
+message EspNowSlavePresence {
+  uint32 network = 1;
+  bytes mac = 2;
+  uint32 version = 3;
+  uint32 slave_id = 4;
+  bool available = 5;
+  bool used = 6;
+}
+
+message EspNowMessage {
+  EspNowMessageType type = 1;
+  oneof payload {
+    EspNowDiscover discover = 2;
+    EspNowSlavePresence slave_info = 3;
+    EspNowSlavePresence heartbeat = 4;
+  }
+}