1 files changed, 75 insertions, 0 deletions
diff --git a/obdlogger/MicroLCD.h b/obdlogger/MicroLCD.h
new file mode 100644
index 0000000..1206414
--- /dev/null
+++ b/obdlogger/MicroLCD.h
@@ -0,0 +1,75 @@
+/*************************************************************************
+* 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)
+
+extern const PROGMEM unsigned char font5x8[][5];
+extern const PROGMEM unsigned char digits8x8[][8] ;
+extern const PROGMEM unsigned char digits16x16[][32];
+extern const PROGMEM unsigned char digits16x24[][48];
+extern const PROGMEM unsigned char font8x16_doslike[][16];
+extern const PROGMEM unsigned char font8x16_terminal[][16];
+
+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;
+};