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 +1,26 @@
+#ifndef ESP_NOW_PROTO_H
+#define ESP_NOW_PROTO_H
+
+#include "esp_err.h"
+#include "esp_now_messages.pb.h"
+#include <stddef.h>
+#include <stdint.h>
+
+#define ESPNOW_PB_MAX_SIZE 250
+
+esp_err_t esp_now_proto_encode(const alox_EspNowMessage *msg, uint8_t *buf,
+                               size_t buf_size, size_t *out_len);
+
+esp_err_t esp_now_proto_decode(const uint8_t *data, size_t len,
+                               alox_EspNowMessage *msg);
+
+void esp_now_proto_setup_presence_encode(alox_EspNowSlavePresence *presence,
+                                         const uint8_t mac[6]);
+
+void esp_now_proto_setup_message_decode(alox_EspNowMessage *msg,
+                                        uint8_t mac_out[6]);
+
+const alox_EspNowSlavePresence *
+esp_now_proto_get_presence(const alox_EspNowMessage *msg);
+
+#endif