#include <hdlcd.hh>

Inheritance diagram for HDLcd::PixelPump:

Public Member Functions
	PixelPump (HDLcd &p, ClockDomain &pxl_clk, unsigned pixel_chunk)

void	dumpSettings ()

Public Member Functions inherited from BasePixelPump
	BasePixelPump (EventManager &em, ClockDomain &pxl_clk, unsigned pixel_chunk)

virtual	~BasePixelPump ()

void	serialize (CheckpointOut &cp) const override
	Serialize an object. More...

void	unserialize (CheckpointIn &cp) override
	Unserialize an object. More...

void	updateTimings (const DisplayTimings &timings)
	Update frame size using display timing. More...

void	renderFrame ()
	Render an entire frame in KVM execution mode. More...

void	start ()
	Starting pushing pixels in timing mode. More...

void	stop ()
	Immediately stop pushing pixels. More...

const DisplayTimings &	timings () const
	Get a constant reference of the current display timings. More...

bool	active () const
	Is the pixel pump active and refreshing the display? More...

bool	underrun () const
	Did a buffer underrun occur within this refresh interval? More...

bool	visibleLine () const
	Is the current line within the visible range? More...

unsigned	posX () const
	Current pixel position within the visible area. More...

unsigned	posY () const
	Current pixel position within the visible area. More...

Public Member Functions inherited from EventManager
EventQueue *	eventQueue () const

void	schedule (Event &event, Tick when)

void	deschedule (Event &event)

void	reschedule (Event &event, Tick when, bool always=false)

void	schedule (Event *event, Tick when)

void	deschedule (Event *event)

void	reschedule (Event *event, Tick when, bool always=false)

void	wakeupEventQueue (Tick when=(Tick) -1)

void	setCurTick (Tick newVal)

	EventManager (EventManager &em)

	EventManager (EventManager *em)

	EventManager (EventQueue *eq)

Public Member Functions inherited from Clocked
void	updateClockPeriod ()
	Update the tick to the current tick. More...

Tick	clockEdge (Cycles cycles=Cycles(0)) const
	Determine the tick when a cycle begins, by default the current one, but the argument also enables the caller to determine a future cycle. More...

Cycles	curCycle () const
	Determine the current cycle, corresponding to a tick aligned to a clock edge. More...

Tick	nextCycle () const
	Based on the clock of the object, determine the start tick of the first cycle that is at least one cycle in the future. More...

uint64_t	frequency () const

Tick	clockPeriod () const

double	voltage () const

Cycles	ticksToCycles (Tick t) const

Tick	cyclesToTicks (Cycles c) const

Public Member Functions inherited from Serializable
	Serializable ()

virtual	~Serializable ()

void	serializeSection (CheckpointOut &cp, const char *name) const
	Serialize an object into a new section. More...

void	serializeSection (CheckpointOut &cp, const std::string &name) const

void	unserializeSection (CheckpointIn &cp, const char *name)
	Unserialize an a child object. More...

void	unserializeSection (CheckpointIn &cp, const std::string &name)

Protected Member Functions
bool	nextPixel (Pixel &p) override
	Get the next pixel from the scan line buffer. More...

void	onVSyncBegin () override
	First pixel clock of the first VSync line. More...

void	onVSyncEnd () override
	Callback on the first pixel of the line after the end VSync region (typically the first pixel of the vertical back porch). More...

void	onUnderrun (unsigned x, unsigned y) override
	Buffer underrun occurred on a frame. More...

void	onFrameDone () override
	Finished displaying the visible region of a frame. More...

Protected Member Functions inherited from BasePixelPump
virtual void	onHSyncBegin ()
	Start of the HSync region. More...

virtual void	onHSyncEnd ()
	Start of the first pixel after the HSync region. More...

Protected Member Functions inherited from Clocked
	Clocked (ClockDomain &clk_domain)
	Create a clocked object and set the clock domain based on the parameters. More...

	Clocked (Clocked &)=delete

Clocked &	operator= (Clocked &)=delete

virtual	~Clocked ()
	Virtual destructor due to inheritance. More...

void	resetClock () const
	Reset the object's clock using the current global tick value. More...

virtual void	clockPeriodUpdated ()
	A hook subclasses can implement so they can do any extra work that's needed when the clock rate is changed. More...

Protected Attributes
HDLcd &	parent

Protected Attributes inherited from EventManager
EventQueue *	eventq
	A pointer to this object's event queue. More...

Additional Inherited Members
Static Public Member Functions inherited from Serializable
static const std::string &	currentSection ()
	Gets the fully-qualified name of the active section. More...

static void	serializeAll (const std::string &cpt_dir)

static void	unserializeGlobals (CheckpointIn &cp)

Public Attributes inherited from BasePixelPump
FrameBuffer	fb
	Output frame buffer. More...

Detailed Description

Definition at line 321 of file hdlcd.hh.

Constructor & Destructor Documentation

◆ PixelPump()

HDLcd::PixelPump::PixelPump	(	HDLcd &	p,
		ClockDomain &	pxl_clk,
		unsigned	pixel_chunk
	)

inline

Definition at line 324 of file hdlcd.hh.

References dumpSettings().

Member Function Documentation

◆ dumpSettings()

void HDLcd::PixelPump::dumpSettings ( )

Definition at line 677 of file hdlcd.cc.

References DisplayTimings::hBackPorch, HDLcd::HDLcd(), DisplayTimings::height, DisplayTimings::hFrontPorch, DisplayTimings::hSync, inform, ArmISA::t, DisplayTimings::vBackPorch, DisplayTimings::vFrontPorch, DisplayTimings::vSync, and DisplayTimings::width.

Referenced by PixelPump(), and HDLcd::pxlFrameDone().

◆ nextPixel()

bool HDLcd::PixelPump::nextPixel ( Pixel & p )

inlineoverrideprotectedvirtual

Get the next pixel from the scan line buffer.

Parameters

p	Output pixel value, undefined on underrun

Returns: true on success, false on buffer underrun

Implements BasePixelPump.

Definition at line 330 of file hdlcd.hh.

References parent, and HDLcd::pxlNext().

◆ onFrameDone()

void HDLcd::PixelPump::onFrameDone ( )

inlineoverrideprotectedvirtual

Finished displaying the visible region of a frame.

Reimplemented from BasePixelPump.

Definition at line 339 of file hdlcd.hh.

References parent, and HDLcd::pxlFrameDone().

◆ onUnderrun()

void HDLcd::PixelPump::onUnderrun	(	unsigned	x,
		unsigned	y
	)

inlineoverrideprotectedvirtual

Buffer underrun occurred on a frame.

This method is called once if there is buffer underrun while refreshing the display. The underrun state is reset on the next refresh.

Parameters

x	Coordinate within the visible region.
y	Coordinate within the visible region.

Reimplemented from BasePixelPump.

Definition at line 335 of file hdlcd.hh.

References parent, and HDLcd::pxlUnderrun().

◆ onVSyncBegin()

void HDLcd::PixelPump::onVSyncBegin ( )

inlineoverrideprotectedvirtual

First pixel clock of the first VSync line.

Reimplemented from BasePixelPump.

Definition at line 332 of file hdlcd.hh.

References parent, and HDLcd::pxlVSyncBegin().

◆ onVSyncEnd()

void HDLcd::PixelPump::onVSyncEnd ( )

inlineoverrideprotectedvirtual

Callback on the first pixel of the line after the end VSync region (typically the first pixel of the vertical back porch).

Reimplemented from BasePixelPump.

Definition at line 333 of file hdlcd.hh.

References parent, and HDLcd::pxlVSyncEnd().

Member Data Documentation

◆ parent

HDLcd& HDLcd::PixelPump::parent

protected

Definition at line 342 of file hdlcd.hh.

Referenced by nextPixel(), onFrameDone(), onUnderrun(), onVSyncBegin(), and onVSyncEnd().

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

dev/arm/hdlcd.hh
dev/arm/hdlcd.cc

Public Member Functions

Protected Member Functions

Protected Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ PixelPump()

Member Function Documentation

◆ dumpSettings()

◆ nextPixel()

◆ onFrameDone()

◆ onUnderrun()

◆ onVSyncBegin()

◆ onVSyncEnd()

Member Data Documentation

◆ parent