Diff: GraphicOLED.cpp

Revision:

0:67d983a1ed3e

Child:

1:a104653979bf

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/GraphicOLED.cpp	Fri Mar 23 09:20:04 2012 +0000
@@ -0,0 +1,144 @@
+// GraphicOLED.cpp
+#include "GraphicOLED.h"
+#include <ctype.h>
+
+extern void font_4x8(char buf[], int i);
+extern void font_8x8(char buf[], int i);
+extern void font_8x8_sd(char buf[], int i);
+
+GraphicOLED::GraphicOLED(PinName rs, PinName e, PinName d0, PinName d1, PinName d2, PinName d3):
+        TextLCD(rs, e, d0, d1, d2, d3)
+{
+    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(0x14); // S/C=0 R/L=1
+    writeCommand(0x1f); // G/C=1 graphic mode
+    _kanji_flag = false;
+}
+
+void GraphicOLED::g_wrtie(int pat, int x, int y)
+{
+    writeCommand(0x40+y); // y position
+    writeCommand(0x80+x); // x position
+    writeData(pat);
+}
+
+void GraphicOLED::g_wrtie(char *buf, int len, int x, int y)
+{
+    writeCommand(0x40+y); // y position
+    while(len-- > 0) {
+        writeCommand(0x80 + x++); // x position
+        writeData(*buf++);
+    }
+}
+
+void GraphicOLED::cls()
+{
+    for(int y = 0; y < 2; y++) {
+        for(int x = 0; x < 100; x++) {
+            g_wrtie(0x00, x, y);
+        }
+    }
+}
+
+int GraphicOLED::columns() { return 25; }
+
+int GraphicOLED::_putc(int value)
+{
+    if (value == '\n') {
+        _column = 0;
+        _row++;
+        if (_row >= rows()) {
+            _row = 0;
+        }
+        _kanji_flag = false;
+    } else if (_kanji_flag) {
+        character2(_column, _row, _kanji_1st<<8 | value);
+        _kanji_flag = false;
+        _column += 2;
+        if (_column >= columns()) {
+            _column = 0;
+            _row++;
+            if (_row >= rows()) {
+                _row = 0;
+            }
+        }
+    } else if (iskanji(value)) {
+        _kanji_1st = value;
+        _kanji_flag = true;
+    } else {
+        character(_column, _row, value);
+        _column++;
+        if (_column >= columns()) {
+            _column = 0;
+            _row++;
+            if (_row >= rows()) {
+                _row = 0;
+            }
+        }
+    }
+    return value;
+}
+
+void GraphicOLED::character(int column, int row, int c)
+{
+    int i = 0;
+    if (c >= 0xa1 && c <= 0xdf) {
+        i = c - 66;
+    } else if (isprint(c)) { // 20 - 7e
+        i = c - 32;
+    }
+    char buf[4];
+    font_4x8(buf, i);
+    g_wrtie(buf, sizeof(buf), column*4, row);
+}
+
+void _jis(int *ph, int *pl)
+{
+    if (*ph <= 0x9F) {
+        if (*pl < 0x9F)  *ph = (*ph << 1) - 0xE1;
+        else             *ph = (*ph << 1) - 0xE0;
+    } else {
+        if (*pl < 0x9F)  *ph = (*ph << 1) - 0x161;
+        else             *ph = (*ph << 1) - 0x160;
+    }
+    if      (*pl < 0x7F) *pl -= 0x1F;
+    else if (*pl < 0x9F) *pl -= 0x20;
+    else                 *pl -= 0x7E;
+}
+
+int _jis2adrs(int jiscode)
+{
+    const int offset_table[][2] ={
+    {0x2121, 0}, {0x223a, 11}, {0x224a, 19}, {0x225c, 30}, {0x2272, 37}, {0x227e, 41}, {0x2330, 56},
+    {0x2341, 63}, {0x2361, 69}, {0x2421, 73}, {0x2521, 84}, {0x2621, 92}, {0x2641, 100}, {0x2721, 138},
+    {0x2751, 153}, {0x2821, 166}, {0x2d21, 604}, {0x2d40, 605}, {0x2d5f, 613}, {0x3021, 803},
+    {0x5021, 846}, {0x7ffff, 846}};
+    int ku = jiscode>>8;
+    int ten = jiscode&0xff; 
+    int adrs = (ku-0x21) * (0x7e-0x21+1);
+    adrs += (ten-0x21);
+    for(int i = 0; ; i++) { // adjust
+        if (jiscode >= offset_table[i][0] && jiscode < offset_table[i+1][0]) {
+            adrs -= offset_table[i][1];
+            break;
+        }
+    }
+    return adrs;
+}
+
+void GraphicOLED::character2(int column, int row, int c)
+{
+    int h,l;
+    h = c >> 8;
+    l = c & 0xff;
+    _jis(&h, &l);
+    int adrs = _jis2adrs(h<<8 | l);
+    char buf[8];
+    font_8x8(buf, adrs);
+    g_wrtie(buf, sizeof(buf), column*4, row);
+}