Diff: SG12864A.cpp

Revision:

2:91c03e41c927

Parent:

1:aacd73a4e7ee

Child:

3:86e7fba29623

--- a/SG12864A.cpp	Tue Jul 20 03:59:17 2010 +0000
+++ b/SG12864A.cpp	Tue Jul 20 05:30:47 2010 +0000
@@ -7,10 +7,109 @@
 
 #include "SG12864A.h"
 
-#define setPixel(x,y) buffer[((COLUMNS * 2)* (y / 8)) + x] |= (1 << (y % 8))
-#define unsetPixel(x,y) buffer[((COLUMNS * 2)* (y / 8)) + x] &= ~(1 << (y % 8))
+#define setPixel(x,y) buffer[((COLUMNS * 2)* ((y) / 8)) + (x)] |= (1 << ((y) % 8))
+#define unsetPixel(x,y) buffer[((COLUMNS * 2)* ((y) / 8)) + (x)] &= ~(1 << ((y) % 8))
 #define swap(a,b) {int c=a;a=b;b=c;}
 
+const uint8_t SG12864A::font5x7_data[] = {
+    0x00, 0x00, 0x00, 0x00, 0x00, // (white space)
+    0x00, 0x00, 0x5F, 0x00, 0x00, // !
+    0x00, 0x07, 0x00, 0x07, 0x00, // "
+    0x14, 0x7F, 0x14, 0x7F, 0x14, // #
+    0x24, 0x2A, 0x7F, 0x2A, 0x12, // $
+    0x23, 0x13, 0x08, 0x64, 0x62, // %
+    0x36, 0x49, 0x55, 0x22, 0x50, // &
+    0x00, 0x05, 0x03, 0x00, 0x00, // '
+    0x00, 0x1C, 0x22, 0x41, 0x00, // (
+    0x00, 0x41, 0x22, 0x1C, 0x00, // )
+    0x08, 0x2A, 0x1C, 0x2A, 0x08, // *
+    0x08, 0x08, 0x3E, 0x08, 0x08, // +
+    0x00, 0x50, 0x30, 0x00, 0x00, // ,
+    0x08, 0x08, 0x08, 0x08, 0x08, // -
+    0x00, 0x60, 0x60, 0x00, 0x00, // .
+    0x20, 0x10, 0x08, 0x04, 0x02, // /
+    0x3E, 0x51, 0x49, 0x45, 0x3E, // 0
+    0x00, 0x42, 0x7F, 0x40, 0x00, // 1
+    0x42, 0x61, 0x51, 0x49, 0x46, // 2
+    0x21, 0x41, 0x45, 0x4B, 0x31, // 3
+    0x18, 0x14, 0x12, 0x7F, 0x10, // 4
+    0x27, 0x45, 0x45, 0x45, 0x39, // 5
+    0x3C, 0x4A, 0x49, 0x49, 0x30, // 6
+    0x01, 0x71, 0x09, 0x05, 0x03, // 7
+    0x36, 0x49, 0x49, 0x49, 0x36, // 8
+    0x06, 0x49, 0x49, 0x29, 0x1E, // 9
+    0x00, 0x36, 0x36, 0x00, 0x00, // :
+    0x00, 0x56, 0x36, 0x00, 0x00, // ;
+    0x00, 0x08, 0x14, 0x22, 0x41, // <
+    0x14, 0x14, 0x14, 0x14, 0x14, // =
+    0x41, 0x22, 0x14, 0x08, 0x00, // >
+    0x02, 0x01, 0x51, 0x09, 0x06, // ?
+    0x32, 0x49, 0x79, 0x41, 0x3E, // @
+    0x7E, 0x11, 0x11, 0x11, 0x7E, // A
+    0x7F, 0x49, 0x49, 0x49, 0x36, // B
+    0x3E, 0x41, 0x41, 0x41, 0x22, // C
+    0x7F, 0x41, 0x41, 0x22, 0x1C, // D
+    0x7F, 0x49, 0x49, 0x49, 0x41, // E
+    0x7F, 0x09, 0x09, 0x01, 0x01, // F
+    0x3E, 0x41, 0x41, 0x51, 0x32, // G
+    0x7F, 0x08, 0x08, 0x08, 0x7F, // H
+    0x00, 0x41, 0x7F, 0x41, 0x00, // I
+    0x20, 0x40, 0x41, 0x3F, 0x01, // J
+    0x7F, 0x08, 0x14, 0x22, 0x41, // K
+    0x7F, 0x40, 0x40, 0x40, 0x40, // L
+    0x7F, 0x02, 0x04, 0x02, 0x7F, // M
+    0x7F, 0x04, 0x08, 0x10, 0x7F, // N
+    0x3E, 0x41, 0x41, 0x41, 0x3E, // O
+    0x7F, 0x09, 0x09, 0x09, 0x06, // P
+    0x3E, 0x41, 0x51, 0x21, 0x5E, // Q
+    0x7F, 0x09, 0x19, 0x29, 0x46, // R
+    0x46, 0x49, 0x49, 0x49, 0x31, // S
+    0x01, 0x01, 0x7F, 0x01, 0x01, // T
+    0x3F, 0x40, 0x40, 0x40, 0x3F, // U
+    0x1F, 0x20, 0x40, 0x20, 0x1F, // V
+    0x7F, 0x20, 0x18, 0x20, 0x7F, // W
+    0x63, 0x14, 0x08, 0x14, 0x63, // X
+    0x03, 0x04, 0x78, 0x04, 0x03, // Y
+    0x61, 0x51, 0x49, 0x45, 0x43, // Z
+    0x00, 0x00, 0x7F, 0x41, 0x41, // [
+    0x02, 0x04, 0x08, 0x10, 0x20, // /
+    0x41, 0x41, 0x7F, 0x00, 0x00, // ]
+    0x04, 0x02, 0x01, 0x02, 0x04, // ^
+    0x40, 0x40, 0x40, 0x40, 0x40, // _
+    0x00, 0x01, 0x02, 0x04, 0x00, // `
+    0x20, 0x54, 0x54, 0x54, 0x78, // a
+    0x7F, 0x48, 0x44, 0x44, 0x38, // b
+    0x38, 0x44, 0x44, 0x44, 0x20, // c
+    0x38, 0x44, 0x44, 0x48, 0x7F, // d
+    0x38, 0x54, 0x54, 0x54, 0x18, // e
+    0x08, 0x7E, 0x09, 0x01, 0x02, // f
+    0x08, 0x14, 0x54, 0x54, 0x3C, // g
+    0x7F, 0x08, 0x04, 0x04, 0x78, // h
+    0x00, 0x44, 0x7D, 0x40, 0x00, // i
+    0x20, 0x40, 0x44, 0x3D, 0x00, // j
+    0x00, 0x7F, 0x10, 0x28, 0x44, // k
+    0x00, 0x41, 0x7F, 0x40, 0x00, // l
+    0x7C, 0x04, 0x18, 0x04, 0x78, // m
+    0x7C, 0x08, 0x04, 0x04, 0x78, // n
+    0x38, 0x44, 0x44, 0x44, 0x38, // o
+    0x7C, 0x14, 0x14, 0x14, 0x08, // p
+    0x08, 0x14, 0x14, 0x18, 0x7C, // q
+    0x7C, 0x08, 0x04, 0x04, 0x08, // r
+    0x48, 0x54, 0x54, 0x54, 0x20, // s
+    0x04, 0x3F, 0x44, 0x40, 0x20, // t
+    0x3C, 0x40, 0x40, 0x20, 0x7C, // u
+    0x1C, 0x20, 0x40, 0x20, 0x1C, // v
+    0x3C, 0x40, 0x30, 0x40, 0x3C, // w
+    0x44, 0x28, 0x10, 0x28, 0x44, // x
+    0x0C, 0x50, 0x50, 0x50, 0x3C, // y
+    0x44, 0x64, 0x54, 0x4C, 0x44, // z
+    0x00, 0x08, 0x36, 0x41, 0x00, // {
+    0x00, 0x00, 0x7F, 0x00, 0x00, // |
+    0x00, 0x41, 0x36, 0x08, 0x00, // }
+    0x08, 0x08, 0x2A, 0x1C, 0x08, // ->
+    0x08, 0x1C, 0x2A, 0x08, 0x08  // <-
+};
+
 SG12864A::SG12864A(PinName di,
                    PinName rw,
                    PinName en,
@@ -122,6 +221,43 @@
     }
 }
 
+void SG12864A::bufferDrawString(const uint8_t x, const uint8_t y, const char * str) {
+    char *p = (char *)str;
+    int cnt = 0;
+    while (*p) {
+        bufferDrawChar(x + (FONT_X * cnt), y, *p);
+        p++;
+        cnt++;
+    }
+}
+
+void SG12864A::bufferDrawChar(const uint8_t x, const uint8_t y, const char c) {
+    if ((FONT_MIN_CODE <= c) &&(c <= FONT_MAX_CODE)) {
+        int aofs = (c - FONT_MIN_CODE) * FONT_X;
+        for (int i = 0; i < FONT_X; i++) {
+            uint8_t pat = font5x7_data[aofs + i];
+            for (int j = 0; j < FONT_Y; j++) {
+                if (pat & (1 << j)) {
+                    setPixel(x + i, y + j);
+                } else {
+                    unsetPixel(x + i, y + j);
+                }
+            }
+        }
+    } else {
+        for (int i = 0; i < FONT_X; i++) {
+            uint8_t pat = (i % 2) ? 0x55 : 0xAA;
+            for (int j = 0; j < FONT_Y; j++) {
+                if (pat & (1 << j)) {
+                    setPixel(x + i, y + j);
+                } else {
+                    unsetPixel(x + i, y + j);
+                }
+            }
+        }
+    }
+}
+
 /**
  * High Level Interface.
  *