codex init

OpticalChannelTester/Radio.h

@@ -0,0 +1,24 @@
+#pragma once
+#include <Arduino.h>
+#include <esp_now.h>
+#include "Protocol.h"
+
+struct ReceivedPacket { uint8_t mac[6]; ProtocolPacket packet; };
+
+class Radio {
+ public:
+  bool begin();
+  void end();
+  bool sendBroadcast(ProtocolPacket packet);
+  bool sendTo(const uint8_t mac[6], ProtocolPacket packet);
+  bool receive(ReceivedPacket &received);
+  void flush();
+  static void macText(const uint8_t mac[6], char *out, size_t size);
+ private:
+  static void onReceive(const esp_now_recv_info_t *info, const uint8_t *data, int length);
+  bool ensurePeer(const uint8_t mac[6]);
+  static Radio *instance_;
+  QueueHandle_t queue_ = nullptr;
+  bool active_ = false;
+};
+