PS2Keyboard Class Reference

A PS2 keyboard gets characters on the hostbus as input and outputs scancodes on the ps2 bus. More...

Inheritance diagram for PS2Keyboard:

Public Member Functions
bool	receive (MessageInput &msg)
bool	receive (MessagePS2 &msg)
bool	receive (MessageLegacy &msg)
	PS2Keyboard (DBus< MessagePS2 > &bus_ps2, unsigned ps2port, unsigned hostkeyboard)
Public Member Functions inherited from StaticReceiver< PS2Keyboard >
	StaticReceiver ()
Public Member Functions inherited from Device
void	debug_dump ()
	Device (const char *debug_name)

Private Types
enum	{   MODE_DISABLED = 1 << 0, MODE_RESET = 1 << 1, MODE_RESEND = 1 << 2, MODE_GOT_BREAK = 1 << 3,   MODE_STOPPED = 1 << 4 }

Private Member Functions
void	enqueue (unsigned char value)
	Enqueue a single scancode in the buffer.
void	enqueue_string (const char *value)
	Enqueue a whole set of characters.
void	reset ()
	Reset the keyboard to its default state.
bool	has_shift_modifiers (unsigned char key)
	Returns whether a keycode respects a shift modifier.
void	handle_shift_modifiers (unsigned value)
	Enqueues corresponding shift release or press events for the shift-keys if the shift-modifier is changed for the key.

Private Attributes
DBus< MessagePS2 > &	_bus_ps2
unsigned	_ps2port
unsigned	_hostkeyboard
unsigned char	_scset
unsigned char	_buffer [BUFFERSIZE]
unsigned	_pread
unsigned	_pwrite
unsigned	_response
unsigned char	_no_breakcode [32]
unsigned char	_indicators
unsigned char	_last_command
unsigned char	_last_reply
unsigned char	_mode

Static Private Attributes
static const unsigned	BUFFERSIZE = 18

Additional Inherited Members
Static Public Member Functions inherited from StaticReceiver< PS2Keyboard >
static bool	receive_static (Device *o, M &msg)

Detailed Description

A PS2 keyboard gets characters on the hostbus as input and outputs scancodes on the ps2 bus.

State: stable Features: scancodeset 1,2,3, keyboard commands, breakcode Missing: typematic keys Documentation: PS2 hitrc chapter 11

Member Enumeration Documentation

anonymous enum

private

Enumerator:

MODE_DISABLED
MODE_RESET
MODE_RESEND
MODE_GOT_BREAK
MODE_STOPPED

Constructor & Destructor Documentation

PS2Keyboard::PS2Keyboard ( DBus< MessagePS2 > &  bus_ps2, unsigned  ps2port, unsigned  hostkeyboard  )

inline

Member Function Documentation

void PS2Keyboard::enqueue ( unsigned char  value )

inlineprivate

Enqueue a single scancode in the buffer.

Please note that the values are translated if SCS1 is used.

void PS2Keyboard::enqueue_string ( const char *  value )

inlineprivate

Enqueue a whole set of characters.

void PS2Keyboard::handle_shift_modifiers ( unsigned  value )

inlineprivate

Enqueues corresponding shift release or press events for the shift-keys if the shift-modifier is changed for the key.

bool PS2Keyboard::has_shift_modifiers ( unsigned char  key )

inlineprivate

Returns whether a keycode respects a shift modifier.

bool PS2Keyboard::receive ( MessageInput &  msg )

inline

bool PS2Keyboard::receive ( MessagePS2 &  msg )

inline

bool PS2Keyboard::receive ( MessageLegacy &  msg )

inline

void PS2Keyboard::reset ( )

inlineprivate

Reset the keyboard to its default state.

Member Data Documentation

unsigned char PS2Keyboard::_buffer[BUFFERSIZE]

private

DBus<MessagePS2>& PS2Keyboard::_bus_ps2

private

unsigned PS2Keyboard::_hostkeyboard

private

unsigned char PS2Keyboard::_indicators

private

unsigned char PS2Keyboard::_last_command

private

unsigned char PS2Keyboard::_last_reply

private

unsigned char PS2Keyboard::_mode

private

unsigned char PS2Keyboard::_no_breakcode[32]

private

unsigned PS2Keyboard::_pread

private

unsigned PS2Keyboard::_ps2port

private

unsigned PS2Keyboard::_pwrite

private

unsigned PS2Keyboard::_response

private

unsigned char PS2Keyboard::_scset

private

const unsigned PS2Keyboard::BUFFERSIZE = 18

staticprivate

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The documentation for this class was generated from the following file:

• vancouver/model/ps2keyboard.cc