グラフィック有機ELをmbed☆board Orangeに載せる(2)

TextLCDライブラリから継承すれば簡単にグラフィックモードでキャラクタディスプレイのように動作させることができた。
4x8ドットの極小フォントを使っているので２行２５文字表示できます。

フォントには美咲フォントの１バイト文字フォント(misaki_4x8_jisx0201.bdf)を使っています。
ありがとうございました。

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// WS0010 2012/3/10
#include "mbed.h"
#include "TextLCD.h"

class GraphicOLED : public TextLCD {
public:
    GraphicOLED(PinName rs, PinName e, PinName d0, PinName d1, PinName d2, PinName d3, LCDType type = LCD16x2):
        TextLCD(rs, e, d0, d1, d2, d3, type)
    {
        wait_ms(500); // wait 500ms
        writeCommand(0x00); // 0x0 x 5
        writeCommand(0x00);
        writeCommand(0x02); // function set
        writeCommand(0x28); // N=1
        writeCommand(0x0c); // D=1 display on
        writeCommand(0x1f); // G/C=1 graphic mode
    }

    void g_wrtie(int pat, int x = 0, int y = 0)
    {
        writeCommand(0x40+y); // y position
        writeCommand(0x80+x); // x position
        writeData(pat);
    }
    
    void cls(int pat = 0x00)
    {
        for(int y = 0; y < 2; y++) {
            for(int x = 0; x < 100; x++) {
                g_wrtie(pat, x, y);
            }
        }
    }
    
    int columns() { return 25; }

protected:
    virtual int _putc(int value);
    void character(int column, int row, int c);
};

int GraphicOLED::_putc(int value)
{
    if (value == '\n') {
        _column = 0;
        _row++;
        if (_row >= rows()) {
            _row = 0;
        }
    } else {
        character(_column, _row, value);
        _column++;
        if (_column >= columns()) {
            _column = 0;
            _row++;
            if (_row >= rows()) {
                _row = 0;
            }
        }
    }
    return value;
}

// misaki_bdf_b11a.tar.gz misaki_4x8_jisx0201.bdf
const char misaki_4x8_jisx0201[][4] = { // 20 - 7e
{0,0,0,0},{0,47,0,0},{3,0,3,0},{63,18,63,0},{22,63,26,0},{18,8,36,0},
{50,61,42,0},{2,1,0,0},{0,62,65,0},{65,62,0,0},{10,7,10,0},{8,62,8,0},
{0,64,32,0},{8,8,8,0},{0,32,0,0},{16,8,4,0},{28,42,28,0},{36,62,32,0},
{50,42,36,0},{34,42,20,0},{24,20,62,0},{46,42,18,0},{28,42,18,0},{2,58,6,0},
{20,42,20,0},{36,42,28,0},{0,20,0,0},{32,20,0,0},{8,20,34,0},{20,20,20,0},
{34,20,8,0},{2,41,6,0},{18,41,30,0},{62,9,62,0},{63,37,26,0},{30,33,33,0},
{63,33,30,0},{63,37,33,0},{63,5,1,0},{30,33,57,0},{63,8,63,0},{33,63,33,0},
{16,32,31,0},{63,4,59,0},{63,32,32,0},{63,6,63,0},{63,1,62,0},{30,33,30,0},
{63,9,6,0},{30,33,94,0},{63,9,54,0},{34,37,25,0},{1,63,1,0},{63,32,63,0},
{63,16,15,0},{63,24,63,0},{51,12,51,0},{3,60,3,0},{49,45,35,0},{0,127,65,0},
{21,62,21,0},{65,127,0,0},{2,1,2,0},{64,64,64,0},{0,1,2,0},{24,36,60,0},
{63,36,24,0},{24,36,36,0},{24,36,63,0},{24,44,44,0},{4,63,5,0},{72,84,60,0},
{63,4,56,0},{0,61,0,0},{64,61,0,0},{63,8,52,0},{1,63,0,0},{60,28,56,0},
{60,4,56,0},{24,36,24,0},{124,36,24,0},{24,36,124,0},{60,8,4,0},{40,60,20,0},
{4,62,36,0},{60,32,60,0},{60,16,12,0},{60,48,60,0},{36,24,36,0},{76,80,60,0},
{36,52,44,0},{8,54,65,0},{0,127,0,0},{65,54,8,0},{1,1,1,0}};

void GraphicOLED::character(int column, int row, int c)
{
    if (c >= 0x20 && c <= 0x7e) {
        c -= 0x20;
    } else {
        c = 0;
    }
    for(int i = 0; i < 4; i++) {
        g_wrtie(misaki_4x8_jisx0201[c][i], column*4+i, row);
    }
}

GraphicOLED oled(p24, p26, p27, p28, p29, p30); // rs, e, d0-d3

int main()
{
    oled.cls();
    oled.locate(0, 0);
    while(1) {
        for (int c = 0x20; c <= 0x7e; c++) {
            oled.putc(c);
            wait(0.2);
        }
    }
}

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