Class evab::ScreenPCD8544¶

ClassList > evab > ScreenPCD8544

PCD8544 screen driver (Nokia 5110 display). More...

#include <evabScreenPCD8544.h>

Inherits the following classes: evab::ScreenPage8Base

Public Functions¶

Type	Name
virtual void	Deserialize (unsigned short aSerialized, Coor & aPos, Coor & aSize, bool & isFocused) Deserializes element state for 16x8 screen.
	ScreenPCD8544 (const IFont * aFont, uint8_t aRST, uint8_t aCE, uint8_t aDC, uint8_t aDIN, uint8_t aCLK, uint8_t aLED=255) Constructor for PCD8544 screen driver.
virtual unsigned short	Serialize (const Coor & aPos, const Coor & aSize, bool isFocused) Serializes element state for 16x8 screen.
void	SetBacklight (uint8_t aState) Sets backlight state.
void	SetContrast (uint8_t aContrast) Sets display contrast.
virtual Coor	Size () override Gets the screen size in tiles.

Public Functions inherited from evab::ScreenPage8Base¶

See evab::ScreenPage8Base

Type	Name
virtual void	DrawSymbol (Coor aPosition, Coor aSize, char aCharcode, unsigned char aColor) Draws a symbol at the specified position with scaling.
virtual void	Picto (Coor aPosition, const unsigned char * aPictogram, unsigned char aColor) Draws a pictogram at the specified position.
	ScreenPage8Base (const IFont * aFont) Constructor for page-based 8-bit screen base.

Public Functions inherited from evab::Screen¶

See evab::Screen

Type	Name
virtual void	Clear (Coor aPosition, Coor aSize, unsigned char aColor=0)
virtual void	Deserialize (unsigned short aSerialized, Coor & aPosition, Coor & aSize, bool & isFocused) = 0
virtual void	DrawSymbol (Coor aPosition, Coor aSize, char aSymbol, unsigned char aColor=0) = 0
virtual void	Picto (Coor aPosition, const unsigned char * aPictogram, unsigned char aColor=0)
virtual unsigned short	Serialize (const Coor & aPosition, const Coor & aSize, bool isFocused) = 0
virtual Coor	Size () = 0
void	Text (Coor aPosition, Coor aSize, TText aText, unsigned char aColor=0) Draws text with specified alignment strategy.
void	TextCenter (Coor aPosition, Coor aSize, T aText, unsigned char aColor=0)
void	TextLeft (Coor aPosition, Coor aSize, T aText, unsigned char aColor=0)
void	TextRight (Coor aPosition, Coor aSize, T aText, unsigned char aColor=0)

Detailed Description¶

Supports 84x48 pixel displays with SPI interface.

Public Functions Documentation¶

function Deserialize¶

Deserializes element state for 16x8 screen.

virtual void evab::ScreenPCD8544::Deserialize (
    unsigned short aSerialized,
    Coor & aPos,
    Coor & aSize,
    bool & isFocused
)

Parameters:

aSerialized Serialized state
aPos Position of the element (output)
aSize Size of the element (output)
isFocused Focus state (output)

Implements evab::Screen::Deserialize

function ScreenPCD8544¶

Constructor for PCD8544 screen driver.

evab::ScreenPCD8544::ScreenPCD8544 (
    const IFont * aFont,
    uint8_t aRST,
    uint8_t aCE,
    uint8_t aDC,
    uint8_t aDIN,
    uint8_t aCLK,
    uint8_t aLED=255
)

Parameters:

aFont Font to use
aRST Reset pin
aCE Chip enable pin
aDC Data/Command pin
aDIN Data in pin (MOSI)
aCLK Clock pin (SCLK)
aLED Backlight pin (255 = none)

function Serialize¶

Serializes element state for 16x8 screen.

virtual unsigned short evab::ScreenPCD8544::Serialize (
    const Coor & aPos,
    const Coor & aSize,
    bool isFocused
)

Parameters:

aPos Position of the element
aSize Size of the element
isFocused Focus state

Returns:

unsigned short Serialized state

Implements evab::Screen::Serialize

function SetBacklight¶

Sets backlight state.

void evab::ScreenPCD8544::SetBacklight (
    uint8_t aState
)

Parameters:

aState 1 = on, 0 = off

function SetContrast¶

Sets display contrast.

void evab::ScreenPCD8544::SetContrast (
    uint8_t aContrast
)

Parameters:

aContrast Contrast value (0-127)

function Size¶

Gets the screen size in tiles.

inline virtual Coor evab::ScreenPCD8544::Size () override

Returns:

Coor Screen dimensions (11x6 tiles)

Implements evab::Screen::Size

The documentation for this class was generated from the following file src/evabScreenPCD8544.h