ExternalIRQSingle Class Reference

External interrupt (INT0, INT1...) on a single pin, one and 2 bit configuration. More...

#include <externalirq.h>

Inheritance diagram for ExternalIRQSingle:

Public Member Functions
	ExternalIRQSingle (IOSpecialReg *ctrl, int ctrlOffset, int ctrlBits, Pin *pin, bool _8515mode=false)
void	ChangeMode (unsigned char m)
	Handle change of control register. More...
bool	fireAgain (void)
	does the interrupt source fire again? (for interrupt on level) More...
bool	mustSetFlagOnFire (void)
	does fire interrupt set the interrupt flag? (level interrupt does this not!) More...
void	PinStateHasChanged (Pin *pin)
Public Member Functions inherited from ExternalIRQ
	ExternalIRQ (IOSpecialReg *ctrl, int ctrlOffset, int ctrlBits)
virtual unsigned char	set_from_reg (const IOSpecialReg *reg, unsigned char nv)
virtual unsigned char	get_from_client (const IOSpecialReg *reg, unsigned char v)
Public Member Functions inherited from IOSpecialRegClient
virtual	~IOSpecialRegClient ()
Public Member Functions inherited from HasPinNotifyFunction
virtual	~HasPinNotifyFunction ()

Protected Types
enum	{ MODE_LEVEL_LOW = 0, MODE_EDGE_ALL = 1, MODE_EDGE_FALL = 2, MODE_EDGE_RISE = 3 }

Protected Attributes
bool	state
	saved state from pin More...
bool	twoBitMode
	IRQ is controlled by 2 mode bits. More...
bool	mode8515
	at90s8515 don't support MODE_EDGE_ALL More...
Protected Attributes inherited from ExternalIRQ
int	handlerIndex
	my own index on handler instance More...
ExternalIRQHandler *	handler
	reference to IRQ handler More...
int	bitshift
	how many bits to shift to get mode from control register More...
unsigned char	mask
	mask for extract mode from control register More...
unsigned char	mode
	control mode from control register More...

Additional Inherited Members
Protected Member Functions inherited from ExternalIRQ
void	setHandlerIndex (ExternalIRQHandler *h, int idx)
	register handler and index for signaling interrupt More...
void	fireInterrupt (void)
	fire a interrupt More...
virtual void	ResetMode (void)
	Reset mode. More...

Detailed Description

External interrupt (INT0, INT1...) on a single pin, one and 2 bit configuration.

Definition at line 110 of file externalirq.h.

Member Enumeration Documentation

anonymous enum

anonymous enum

protected

Enumerator
MODE_LEVEL_LOW	Fire interrupt on low level.
MODE_EDGE_ALL	Fire interrupt on any logical change.
MODE_EDGE_FALL	Fire interrupt on falling edge.
MODE_EDGE_RISE	Fire interrupt on rising edge.

Definition at line 117 of file externalirq.h.

Constructor & Destructor Documentation

ExternalIRQSingle()

ExternalIRQSingle::ExternalIRQSingle	(	IOSpecialReg *	ctrl,
		int	ctrlOffset,
		int	ctrlBits,
		Pin *	pin,
		bool	_8515mode = false
	)

Definition at line 159 of file externalirq.cpp.

References mode8515, Pin::RegisterCallback(), ExternalIRQ::ResetMode(), state, and twoBitMode.

Member Function Documentation

ChangeMode()

void ExternalIRQSingle::ChangeMode ( unsigned char  m )

virtual

Handle change of control register.

Reimplemented from ExternalIRQ.

Definition at line 203 of file externalirq.cpp.

References avr_warning, ExternalIRQ::mode, mode8515, MODE_EDGE_ALL, MODE_EDGE_FALL, and twoBitMode.

fireAgain()

bool ExternalIRQSingle::fireAgain ( void  )

virtual

does the interrupt source fire again? (for interrupt on level)

Reimplemented from ExternalIRQ.

Definition at line 212 of file externalirq.cpp.

References ExternalIRQ::mode, MODE_LEVEL_LOW, and state.

mustSetFlagOnFire()

bool ExternalIRQSingle::mustSetFlagOnFire ( void  )

virtual

does fire interrupt set the interrupt flag? (level interrupt does this not!)

Reimplemented from ExternalIRQ.

Definition at line 216 of file externalirq.cpp.

References ExternalIRQ::mode, and MODE_LEVEL_LOW.

PinStateHasChanged()

void ExternalIRQSingle::PinStateHasChanged ( Pin *  pin )

virtual

Implements HasPinNotifyFunction.

Definition at line 169 of file externalirq.cpp.

References ExternalIRQ::fireInterrupt(), ExternalIRQ::mode, mode8515, MODE_EDGE_ALL, MODE_EDGE_FALL, MODE_EDGE_RISE, MODE_LEVEL_LOW, and state.

Member Data Documentation

mode8515

bool ExternalIRQSingle::mode8515

protected

at90s8515 don't support MODE_EDGE_ALL

Definition at line 115 of file externalirq.h.

Referenced by ChangeMode(), ExternalIRQSingle(), and PinStateHasChanged().

state

bool ExternalIRQSingle::state

protected

saved state from pin

Definition at line 113 of file externalirq.h.

Referenced by ExternalIRQSingle(), fireAgain(), and PinStateHasChanged().

twoBitMode

bool ExternalIRQSingle::twoBitMode

protected

IRQ is controlled by 2 mode bits.

Definition at line 114 of file externalirq.h.

Referenced by ChangeMode(), and ExternalIRQSingle().

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

• /home/buildbudy/simulavr/include/externalirq.h
• /home/buildbudy/simulavr/libsim/externalirq.cpp