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/* -------------------------------------------
Copyright Mahrouss Logic
------------------------------------------- */
/* -------------------------------------------
Revision History:
31/01/24: Add kDeviceCnt (amlel)
------------------------------------------- */
#pragma once
/* NewOS device interface manager. */
/* @file KernelKit/DeviceManager.hpp */
/* @brief Device abstraction and I/O buffer. */
#include <NewKit/ErrorOr.hpp>
#include <NewKit/Ref.hpp>
// Last Rev
// Sat Feb 24 CET 2024
namespace NewOS {
template <typename T>
class DeviceInterface;
template <typename T>
class DeviceInterface {
public:
explicit DeviceInterface(void (*Out)(T), void (*In)(T))
: m_Out(Out), m_In(In) {}
virtual ~DeviceInterface() = default;
public:
DeviceInterface &operator=(const DeviceInterface<T> &) = default;
DeviceInterface(const DeviceInterface<T> &) = default;
public:
DeviceInterface<T> &operator<<(T Data) {
m_Out(Data);
return *this;
}
DeviceInterface<T> &operator>>(T Data) {
m_In(Data);
return *this;
}
virtual const char *Name() const { return "DeviceInterface"; }
operator bool() { return m_Out && m_In; }
bool operator!() { return !m_Out && !m_In; }
private:
void (*m_Out)(T Data);
void (*m_In)(T Data);
};
///
/// @brief Input Output Buffer
/// Used mainly to communicate between hardware.
///
template <typename T>
class IOBuf final {
public:
explicit IOBuf(T Dat) : m_Data(Dat) {
// at least pass something valid when instancating this struct.
MUST_PASS(Dat);
}
IOBuf &operator=(const IOBuf<T> &) = default;
IOBuf(const IOBuf<T> &) = default;
~IOBuf() = default;
public:
template <typename R>
R operator->() const {
return m_Data;
}
template <typename R>
R &operator[](Size index) const {
return m_Data[index];
}
private:
T m_Data;
};
///! @brief Device enum types.
enum {
kDeviceTypeIDE,
kDeviceTypeEthernet,
kDeviceTypeWiFi,
kDeviceTypeRS232,
kDeviceTypeSCSI,
kDeviceTypeSHCI,
kDeviceTypeUSB,
kDeviceTypeMedia,
kDeviceTypeCount,
};
} // namespace NewOS
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