Disk: NeoMemory: Implement writing

include/icsneo/disk/neomemorydiskdriver.h

@@ -0,0 +1,50 @@
+#ifndef __NEOMEMORYDISKDRIVER_H__
+#define __NEOMEMORYDISKDRIVER_H__
+
+#ifdef __cplusplus
+
+#include "icsneo/disk/diskreaddriver.h"
+#include "icsneo/disk/diskwritedriver.h"
+#include <limits>
+#include <chrono>
+
+namespace icsneo {
+
+namespace Disk {
+
+/**
+ * A disk driver which uses the neoMemory command to read from or write to the disk
+ * 
+ * This can only make requests per sector, so it will be very slow, but is likely supported by any device with a disk
+ */
+class NeoMemoryDiskDriver : public ReadDriver, public WriteDriver {
+public:
+	std::pair<uint32_t, uint32_t> getBlockSizeBounds() const override {
+		static_assert(SectorSize <= std::numeric_limits<uint32_t>::max(), "Incorrect sector size");
+		static_assert(SectorSize >= std::numeric_limits<uint32_t>::min(), "Incorrect sector size");
+		return { static_cast<uint32_t>(SectorSize), static_cast<uint32_t>(SectorSize) };
+	}
+
+private:
+	static constexpr const uint8_t MemoryTypeSD = 0x01; // Logical Disk
+	static constexpr const std::chrono::seconds CacheTime = std::chrono::seconds(1);
+
+	std::array<uint8_t, SectorSize> cache;
+	uint64_t cachePos = 0;
+	std::chrono::time_point<std::chrono::steady_clock> cachedAt;
+
+	Access getPossibleAccess() const override { return Access::VSA; }
+
+	optional<uint64_t> readLogicalDiskAligned(Communication& com, device_eventhandler_t report,
+		uint64_t pos, uint8_t* into, uint64_t amount, std::chrono::milliseconds timeout) override;
+	
+	optional<uint64_t> writeLogicalDiskAligned(Communication& com, device_eventhandler_t report,
+		uint64_t pos, const uint8_t* atomicBuf, const uint8_t* from, uint64_t amount, std::chrono::milliseconds timeout) override;
+};
+
+} // namespace Disk
+
+} // namespace icsneo
+
+#endif // __cplusplus
+#endif // __NEOMEMORYDISKDRIVER_H__