priv impl and scaffold for driver

2026-08-13 18:09:31 -05:00
parent 885a133080
commit 2456b83c0d
7 changed files with 591 additions and 7 deletions
@@ -0,0 +1,74 @@
+/// Generic code for driving a BBNOW interface.
+
+#ifndef _BBNOW_DRIVER_HPP
+#define _BBNOW_DRIVER_HPP
+
+#include <array>
+#include <cstdint>
+#include <span>
+#include <string>
+#include <vector>
+
+#include "esp_err.h"
+
+#include "bb_expantions.hpp"
+#include "bbnow_pub.hpp"
+#include "bbnow_priv.hpp"
+
+class BBNowDriver {
+public:
+    using MacAddress = std::array<uint8_t, 6>;
+
+    struct PairedExpander {
+        MacAddress mac;
+        std::string name;
+        BlkBoxExpantion type;
+    };
+
+    static constexpr uint8_t DEFAULT_CHANNEL = 6;
+
+    static esp_err_t init();
+    static esp_err_t deinit();
+
+    static esp_err_t send_pub(const BBNowPubPacket& packet);
+    static bool has_pub();
+    static bool recv_pub(BBNowPubPacket& packet);
+
+    static esp_err_t send_priv(
+        const MacAddress& destination,
+        const BBNowPrivPacket& packet
+    );
+    static bool has_priv();
+    static bool recv_priv(
+        MacAddress& source,
+        BBNowPrivPacket& packet
+    );
+
+    /// Broadcast a discovery packet.
+    static size_t send_discovery(
+        BlkBoxExpantion type
+    );
+
+    static esp_err_t pair_expander(
+        BlkBoxExpantion type,
+        const MacAddress& mac
+    );
+
+    static esp_err_t unpair_expander(
+        const MacAddress& mac
+    );
+
+    static std::span<const PairedExpander> get_paired_expanders();
+
+private:
+    static constexpr MacAddress BROADCAST_MAC = {
+        0xff, 0xff, 0xff,
+        0xff, 0xff, 0xff
+    };
+
+    static bool initialized_;
+
+    static std::vector<PairedExpander> paired_expanders;
+};
+
+#endif /* _BBNOW_DRIVER_HPP */