ps2port.hpp

来自「WinCE 3.0 BSP, 包含Inter SA1110, Intel_815」· HPP 代码 · 共 217 行

/*

THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF
ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO
THE IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A
PARTICULAR PURPOSE.
Copyright (c) 1995-2000 Microsoft Corporation.  All rights reserved.

*/

#ifndef __PS2PORT_HPP_INCLUDED__
#define __PS2PORT_HPP_INCLUDED__



#include <windows.h>

/*++

Ps2Port:

This is a very simplistic i8042 interface.

It does not provide a complete interface to the i8042 chip.  It is 
intended to provide only basic keyboard and mouse support.


--*/
class Ps2Port
	{
	unsigned int		m_iopBase;
	CRITICAL_SECTION	m_csWrite;

	int					m_cEnterWrites;
	bool				m_bMouseFound;

	UINT8				m_ui8CmdByte;

	UINT8
	ui8IopRead(
		unsigned int	iop
		)
	{
	return READ_PORT_UCHAR( (PUCHAR)iop);
	}


	UINT8
	ui8StatusRead(
		void
		)
	{
	return ui8IopRead(m_iopBase+4);
	}


	UINT8
	ui8OutputBufRead(
		void
		)
	{
	return ui8IopRead(m_iopBase);
	}

	bool
	MainOutputBufIsFull(
		void
		);

	bool
	AuxOutputBufIsFull(
		void
		);

	void
	CommandWrite(
		UINT8	cmd8042
		)
	{
		WRITE_PORT_UCHAR((PUCHAR)m_iopBase+4, cmd8042);
		return;
	}

	void
	InputBufWrite(
		UINT8	data
		)
	{
		WRITE_PORT_UCHAR((PUCHAR)m_iopBase, data);
		return;
	}


	bool
	InputBufPollForEmpty(
		void
		);

	bool
	OutputBufPollRead(
		UINT8	*pui8
		);



	bool
	CommandPut(
		UINT8	cmd8042
		);


	bool
	InputBufPut(
		UINT8	ui8Data
		);


	bool
	CmdByteModify(
		UINT8	ui8Set,
		UINT8	ui8Clear
		);

	void
	MouseCommandPut(
		UINT8	cmdMouse
		);


	bool
	MouseTest(
		void
		);


	bool
	EnterWrite(
		void
		);

	bool
	LeaveWrite(
		void
		);


	bool
	SelfTest(
		void
		);

public:

	bool
	Initialize(
		unsigned int	iopBase
		);

	bool
	bMouseFound(
		void
		)
	{
	return m_bMouseFound;
	}

	bool
	MouseDataRead(
		UINT8	*pui8Data
		);


	bool
	MouseInterruptEnable(
		void
		);


	bool
	KeyboardInterfaceTest(
		void
		);

	bool
	KeyboardCommandPut(
		UINT8	ui8Cmd
		);

	bool
	KeyboardReset(
		void
		);

	void
	KeyboardLights(
		unsigned int	fLights
		);

	bool
	KeybdInterruptEnable(
		void
		);

	bool
	KeybdDataRead(
		UINT8	*pui8Data
		);


	};




#endif