[Ardrivo] Pack camera pins as framebuffer key

Signed-off-by: AeroStun <24841307+AeroStun@users.noreply.github.com>

Author: AeroStun

include/Ardrivo/OV767X.h

@@ -22,6 +22,19 @@
 #include <cstddef>
 #include "SMCE_dll.hpp"
 
+#define OV7670_VSYNC 8
+#define OV7670_HREF 1 // A1
+#define OV7670_PLK 0  // A0
+#define OV7670_XCLK 9
+#define OV7670_D0 10
+#define OV7670_D1 1
+#define OV7670_D2 0
+#define OV7670_D3 2
+#define OV7670_D4 3
+#define OV7670_D5 5
+#define OV7670_D6 6
+#define OV7670_D7 4
+
 // clang-format off
 enum SMCE_OV767_Format {
     RGB888, // RRRRRRRRGGGGGGGGBBBBBBBB // SMCE extension

src/Ardrivo/OV767X.cpp

@@ -30,11 +30,20 @@ extern void maybe_init();
 
 SMCE__DLL_API OV767X Camera;
 
-OV767X::OV767X() noexcept = default;
+OV767X::OV767X() noexcept : m_format{RGB888} {
+    constexpr static int default_pins[8]{OV7670_D0, OV7670_D1, OV7670_D2, OV7670_D3,
+                                         OV7670_D4, OV7670_D5, OV7670_D6, OV7670_D7};
+    setPins(OV7670_VSYNC, OV7670_HREF, OV7670_PLK, OV7670_XCLK, default_pins);
+}
 OV767X::~OV767X() = default;
 
 void OV767X::setPins([[maybe_unused]] int vsync, [[maybe_unused]] int href, [[maybe_unused]] int pclk,
-                     [[maybe_unused]] int xclk, [[maybe_unused]] const int dpins[8]) {}
+                     [[maybe_unused]] int xclk, [[maybe_unused]] const int dpins[8]) {
+    static_assert(sizeof(m_key) == 8);
+    m_key = 0;
+    for (std::size_t i = 0; i < sizeof(m_key); ++i)
+        m_key |= static_cast<std::size_t>(dpins[i] & 0xFF) << (i * CHAR_BIT);
+}
 
 /*
  * VGA = 0,  // 640x480

test/BoardView.cpp

@@ -193,14 +193,16 @@ TEST_CASE("BoardView RGB444 cvt", "[BoardView]") {
         std::cerr << tc.build_log().second;
     REQUIRE_FALSE(ec);
     smce::Board br{};
-    REQUIRE(br.configure({.frame_buffers = {{}}}));
+    REQUIRE(br.configure(
+        {.frame_buffers = {smce::BoardConfig::FrameBuffer{
+             .key = 0x04'06'05'03'02'00'01'0A, .direction = smce::BoardConfig::FrameBuffer::Direction::in}}}));
     REQUIRE(br.attach_sketch(sk));
     REQUIRE(br.prepare());
     auto bv = br.view();
     REQUIRE(bv.valid());
     REQUIRE(br.start());
     REQUIRE(br.suspend());
-    auto fb = bv.frame_buffers[0];
+    auto fb = bv.frame_buffers[0x04'06'05'03'02'00'01'0A];
     REQUIRE(fb.exists());
 
     {