hades.models.special
Class GraphicsLCDnfb.KS0108

java.lang.Object
  hades.models.special.GraphicsLCDnfb.KS0108

Enclosing class:

GraphicsLCDnfb

class GraphicsLCDnfb.KS0108

extends java.lang.Object

An inner class that models the Samsung KS0108 LCD controller for a 64x64 dot matrix display. For larger displays, multiple KS0108 are used.

For a short description of the KS0108 instruction set see http://computer.freepage.de/firestorm/display/ks0108.html. The datasheet is available via www.samsung.com or http://www.microelect.com/lcdtech/drivers.htm

Field Summary

protected int	BIT_D0
protected int	BIT_D1
protected int	BIT_D2
protected int	BIT_D3
protected int	BIT_D4
protected int	BIT_D5
protected int	BIT_D6
protected int	BIT_D7
protected int	BIT_nR
protected int	BIT_RS
protected int	BIT_RW
protected int	byte_address
protected int	CMD_BYTE_ADDR
protected int	CMD_CLEAR
protected int	CMD_DISPLAY_ON
protected int	CMD_IDLE
protected int	CMD_PAGE_ADDR
protected int	CMD_READ_BUSY
protected int	CMD_READ_RAM
protected int	CMD_RESET
protected int	CMD_START_ADDR
protected int	CMD_WRITE_RAM
protected int	command_word
protected int	lcd_start_col
protected int	lcd_start_page
protected int	page_address
protected int	start_address

Constructor Summary

GraphicsLCDnfb.KS0108()

Method Summary

void	decode(int command)
void	doInitialize()
void	doReadBusy() 01 BF AAA AAAA
void	doReadData() 11 DDDD DDDD
void	doSetByteAddress() 00 01AA AAAA
void	doSetDisplayOn() 00 0011 111O
void	doSetPageAddress() 00 1011 1PPP
void	doSetStartAddress() 00 11SS SSSS
void	doWriteData() 10 DDDD DDDD
int	readData() retrieve the data at the current address from the data RAM of CG RAM, whichever is selected.
void	setCanvas(GraphicsLCDCanvasuniv _canvas)
void	setOffsets(int page, int col)
void	updateDataAddress()
void	writeData(int value) write 'value' into the current address of the data RAM or CG RAM, whichever is selected.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

CMD_RESET

protected final int CMD_RESET

See Also:

Constant Field Values

CMD_READ_RAM

protected final int CMD_READ_RAM

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Constant Field Values

CMD_WRITE_RAM

protected final int CMD_WRITE_RAM

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Constant Field Values

CMD_READ_BUSY

protected final int CMD_READ_BUSY

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Constant Field Values

CMD_START_ADDR

protected final int CMD_START_ADDR

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Constant Field Values

CMD_PAGE_ADDR

protected final int CMD_PAGE_ADDR

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Constant Field Values

CMD_BYTE_ADDR

protected final int CMD_BYTE_ADDR

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Constant Field Values

CMD_DISPLAY_ON

protected final int CMD_DISPLAY_ON

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Constant Field Values

CMD_CLEAR

protected final int CMD_CLEAR

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Constant Field Values

CMD_IDLE

protected final int CMD_IDLE

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Constant Field Values

command_word

protected int command_word

BIT_nR

protected final int BIT_nR

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Constant Field Values

BIT_RS

protected final int BIT_RS

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Constant Field Values

BIT_RW

protected final int BIT_RW

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Constant Field Values

BIT_D7

protected final int BIT_D7

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Constant Field Values

BIT_D6

protected final int BIT_D6

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Constant Field Values

BIT_D5

protected final int BIT_D5

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Constant Field Values

BIT_D4

protected final int BIT_D4

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Constant Field Values

BIT_D3

protected final int BIT_D3

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Constant Field Values

BIT_D2

protected final int BIT_D2

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Constant Field Values

BIT_D1

protected final int BIT_D1

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Constant Field Values

BIT_D0

protected final int BIT_D0

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Constant Field Values

page_address

protected int page_address

byte_address

protected int byte_address

start_address

protected int start_address

lcd_start_page

protected int lcd_start_page

lcd_start_col

protected int lcd_start_col

Constructor Detail

GraphicsLCDnfb.KS0108

public GraphicsLCDnfb.KS0108()

Method Detail

setOffsets

public void setOffsets(int page,
                       int col)

setCanvas

public void setCanvas(GraphicsLCDCanvasuniv _canvas)

doInitialize

public void doInitialize()

doSetDisplayOn

public void doSetDisplayOn()

00 0011 111O

doSetStartAddress

public void doSetStartAddress()

00 11SS SSSS

doSetByteAddress

public void doSetByteAddress()

00 01AA AAAA

doSetPageAddress

public void doSetPageAddress()

00 1011 1PPP

doReadBusy

public void doReadBusy()

01 BF AAA AAAA

doWriteData

public void doWriteData()

10 DDDD DDDD

doReadData

public void doReadData()

11 DDDD DDDD

writeData

public void writeData(int value)

write 'value' into the current address of the data RAM or CG RAM, whichever is selected. Afterwards, update address and cursor position, depending on the parameters for cursor move/shift, etc.

Note that writes to the CG RAM are currently not implemented.

updateDataAddress

public void updateDataAddress()

readData

public int readData()

retrieve the data at the current address from the data RAM of CG RAM, whichever is selected.

Note that reads from the CG RAM are currently not implemented.

decode

public void decode(int command)