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/*************************************************************************
* Arduino Text Display Library for Multiple LCDs
* Distributed under GPL v2.0
* Copyright (c) 2013 Stanley Huang <stanleyhuangyc@live.com>
* All rights reserved.
*************************************************************************/
#if !defined(__AVR_ATmega2560__) && !defined(__AVR_ATmega1280__) && !defined(__AVR_ATmega644P__)
#define MEMORY_SAVING
#endif
typedef enum {
FONT_SIZE_SMALL = 0,
FONT_SIZE_MEDIUM,
FONT_SIZE_LARGE,
FONT_SIZE_XLARGE
} FONT_SIZE;
#define FLAG_PAD_ZERO 1
#define FLAG_PIXEL_DOUBLE_H 2
#define FLAG_PIXEL_DOUBLE_V 4
#define FLAG_PIXEL_DOUBLE (FLAG_PIXEL_DOUBLE_H | FLAG_PIXEL_DOUBLE_V)
class LCD_Common
{
public:
LCD_Common():m_font(FONT_SIZE_SMALL),m_flags(0) {}
void setFont(FONT_SIZE size) { m_font = size; }
void setFlags(byte flags) { m_flags = flags; }
virtual void backlight(bool on) {}
virtual void draw(const PROGMEM byte* buffer, byte x, byte y, byte width, byte height) {}
void printInt(uint16_t value, char padding = -1);
void printLong(unsigned long value, char padding = -1);
protected:
virtual void writeDigit(byte n) {}
byte m_font;
byte m_flags;
};
class LCD_Null : public LCD_Common, public Print
{
public:
byte getLines() { return 0; }
byte getCols() { return 0; }
void clearLine(byte line) {}
void clear() {}
void begin() {}
void setCursor(byte column, byte line) {}
size_t write(uint8_t c) { return 0; }
};
#include "SSD1306.h"
class LCD_SSD1306 : public LCD_Common, public SSD1306, public Print
{
public:
void setCursor(byte column, byte line);
void draw(const PROGMEM byte* buffer, byte x, byte y, byte width, byte height);
size_t write(uint8_t c);
void clear(byte x = 0, byte y = 0, byte width = 128, byte height = 64);
void clearLine(byte line);
byte getLines() { return 21; }
byte getCols() { return 8; }
private:
void writeDigit(byte n);
byte m_col;
byte m_row;
};
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