5 static const uint8 FONT_X = 5;
6 static const uint8 FONT_Y = 7;
7 static const uint16 FONT_MIN_CODE = 0x20;
8 static const uint16 FONT_MAX_CODE = 0x7F;
10 #define swap(a,b) {int c=a;a=b;b=c;}
11 #define abs(n) (((int)(n) < 0) ? ((int)(n) * (-1)) : (n))
13 #define LCD_ADDR_LEFT ((volatile uint8 *)0x800000)
14 #define LCD_ADDR_RIGHT ((volatile uint8 *)0xA00000)
15 #define LCD_AOFS_CMD (0)
16 #define LCD_AOFS_DAT (1 << 3)
18 #define LCD1_CMD(VAL) \
20 *(LCD_ADDR_LEFT + LCD_AOFS_CMD) = (VAL); \
23 #define LCD1_DAT_WRITE(VAL) \
25 *(LCD_ADDR_LEFT + LCD_AOFS_DAT) = (VAL); \
28 #define LCD1_DAT_READ() (*(LCD_ADDR_LEFT + LCD_AOFS_DAT))
30 #define LCD2_CMD(VAL) \
32 *(LCD_ADDR_RIGHT + LCD_AOFS_CMD) = (VAL); \
35 #define LCD2_DAT_WRITE(VAL) \
37 *(LCD_ADDR_RIGHT + LCD_AOFS_DAT) = (VAL); \
40 #define LCD2_DAT_READ() (*(LCD_ADDR_RIGHT + LCD_AOFS_DAT))
42 static const uint8 font5x7_data[] = {
43 0x00, 0x00, 0x00, 0x00, 0x00, // (white space)
44 0x00, 0x00, 0x5F, 0x00, 0x00, // !
45 0x00, 0x07, 0x00, 0x07, 0x00, // "
46 0x14, 0x7F, 0x14, 0x7F, 0x14, // #
47 0x24, 0x2A, 0x7F, 0x2A, 0x12, // $
48 0x23, 0x13, 0x08, 0x64, 0x62, // %
49 0x36, 0x49, 0x55, 0x22, 0x50, // &
50 0x00, 0x05, 0x03, 0x00, 0x00, // '
51 0x00, 0x1C, 0x22, 0x41, 0x00, // (
52 0x00, 0x41, 0x22, 0x1C, 0x00, // )
53 0x08, 0x2A, 0x1C, 0x2A, 0x08, // *
54 0x08, 0x08, 0x3E, 0x08, 0x08, // +
55 0x00, 0x50, 0x30, 0x00, 0x00, // ,
56 0x08, 0x08, 0x08, 0x08, 0x08, // -
57 0x00, 0x60, 0x60, 0x00, 0x00, // .
58 0x20, 0x10, 0x08, 0x04, 0x02, // /
59 0x3E, 0x51, 0x49, 0x45, 0x3E, // 0
60 0x00, 0x42, 0x7F, 0x40, 0x00, // 1
61 0x42, 0x61, 0x51, 0x49, 0x46, // 2
62 0x21, 0x41, 0x45, 0x4B, 0x31, // 3
63 0x18, 0x14, 0x12, 0x7F, 0x10, // 4
64 0x27, 0x45, 0x45, 0x45, 0x39, // 5
65 0x3C, 0x4A, 0x49, 0x49, 0x30, // 6
66 0x01, 0x71, 0x09, 0x05, 0x03, // 7
67 0x36, 0x49, 0x49, 0x49, 0x36, // 8
68 0x06, 0x49, 0x49, 0x29, 0x1E, // 9
69 0x00, 0x36, 0x36, 0x00, 0x00, // :
70 0x00, 0x56, 0x36, 0x00, 0x00, // ;
71 0x00, 0x08, 0x14, 0x22, 0x41, // <
72 0x14, 0x14, 0x14, 0x14, 0x14, // =
73 0x41, 0x22, 0x14, 0x08, 0x00, // >
74 0x02, 0x01, 0x51, 0x09, 0x06, // ?
75 0x32, 0x49, 0x79, 0x41, 0x3E, // @
76 0x7E, 0x11, 0x11, 0x11, 0x7E, // A
77 0x7F, 0x49, 0x49, 0x49, 0x36, // B
78 0x3E, 0x41, 0x41, 0x41, 0x22, // C
79 0x7F, 0x41, 0x41, 0x22, 0x1C, // D
80 0x7F, 0x49, 0x49, 0x49, 0x41, // E
81 0x7F, 0x09, 0x09, 0x01, 0x01, // F
82 0x3E, 0x41, 0x41, 0x51, 0x32, // G
83 0x7F, 0x08, 0x08, 0x08, 0x7F, // H
84 0x00, 0x41, 0x7F, 0x41, 0x00, // I
85 0x20, 0x40, 0x41, 0x3F, 0x01, // J
86 0x7F, 0x08, 0x14, 0x22, 0x41, // K
87 0x7F, 0x40, 0x40, 0x40, 0x40, // L
88 0x7F, 0x02, 0x04, 0x02, 0x7F, // M
89 0x7F, 0x04, 0x08, 0x10, 0x7F, // N
90 0x3E, 0x41, 0x41, 0x41, 0x3E, // O
91 0x7F, 0x09, 0x09, 0x09, 0x06, // P
92 0x3E, 0x41, 0x51, 0x21, 0x5E, // Q
93 0x7F, 0x09, 0x19, 0x29, 0x46, // R
94 0x46, 0x49, 0x49, 0x49, 0x31, // S
95 0x01, 0x01, 0x7F, 0x01, 0x01, // T
96 0x3F, 0x40, 0x40, 0x40, 0x3F, // U
97 0x1F, 0x20, 0x40, 0x20, 0x1F, // V
98 0x7F, 0x20, 0x18, 0x20, 0x7F, // W
99 0x63, 0x14, 0x08, 0x14, 0x63, // X
100 0x03, 0x04, 0x78, 0x04, 0x03, // Y
101 0x61, 0x51, 0x49, 0x45, 0x43, // Z
102 0x00, 0x00, 0x7F, 0x41, 0x41, // [
103 0x02, 0x04, 0x08, 0x10, 0x20, // /
104 0x41, 0x41, 0x7F, 0x00, 0x00, // ]
105 0x04, 0x02, 0x01, 0x02, 0x04, // ^
106 0x40, 0x40, 0x40, 0x40, 0x40, // _
107 0x00, 0x01, 0x02, 0x04, 0x00, // `
108 0x20, 0x54, 0x54, 0x54, 0x78, // a
109 0x7F, 0x48, 0x44, 0x44, 0x38, // b
110 0x38, 0x44, 0x44, 0x44, 0x20, // c
111 0x38, 0x44, 0x44, 0x48, 0x7F, // d
112 0x38, 0x54, 0x54, 0x54, 0x18, // e
113 0x08, 0x7E, 0x09, 0x01, 0x02, // f
114 0x08, 0x14, 0x54, 0x54, 0x3C, // g
115 0x7F, 0x08, 0x04, 0x04, 0x78, // h
116 0x00, 0x44, 0x7D, 0x40, 0x00, // i
117 0x20, 0x40, 0x44, 0x3D, 0x00, // j
118 0x00, 0x7F, 0x10, 0x28, 0x44, // k
119 0x00, 0x41, 0x7F, 0x40, 0x00, // l
120 0x7C, 0x04, 0x18, 0x04, 0x78, // m
121 0x7C, 0x08, 0x04, 0x04, 0x78, // n
122 0x38, 0x44, 0x44, 0x44, 0x38, // o
123 0x7C, 0x14, 0x14, 0x14, 0x08, // p
124 0x08, 0x14, 0x14, 0x18, 0x7C, // q
125 0x7C, 0x08, 0x04, 0x04, 0x08, // r
126 0x48, 0x54, 0x54, 0x54, 0x20, // s
127 0x04, 0x3F, 0x44, 0x40, 0x20, // t
128 0x3C, 0x40, 0x40, 0x20, 0x7C, // u
129 0x1C, 0x20, 0x40, 0x20, 0x1C, // v
130 0x3C, 0x40, 0x30, 0x40, 0x3C, // w
131 0x44, 0x28, 0x10, 0x28, 0x44, // x
132 0x0C, 0x50, 0x50, 0x50, 0x3C, // y
133 0x44, 0x64, 0x54, 0x4C, 0x44, // z
134 0x00, 0x08, 0x36, 0x41, 0x00, // {
135 0x00, 0x00, 0x7F, 0x00, 0x00, // |
136 0x00, 0x41, 0x36, 0x08, 0x00, // }
137 0x08, 0x08, 0x2A, 0x1C, 0x08, // ->
138 0x08, 0x1C, 0x2A, 0x08, 0x08 // <-
143 *PORTCONF_P4DDR = PORTCONF_P4BIT_LCD_RES | PORTCONF_P4BIT_SDCCS | PORTCONF_P4BIT_VSCCS | PORTCONF_P4BIT_VSDCS | PORTCONF_P4BIT_VSRST;
148 *PORTCONF_P4DR &= ~PORTCONF_P4BIT_LCD_RES;
149 asm volatile ("nop");
150 asm volatile ("nop");
151 asm volatile ("nop");
152 asm volatile ("nop");
153 *PORTCONF_P4DR |= PORTCONF_P4BIT_LCD_RES;
155 *PORTCONF_CSCR = 0x3F;
157 LCD1_CMD(0xE2); // Reset
158 LCD1_CMD(0xA4); // Static Drive Off
159 LCD1_CMD(0xC0); // Display Start Line
160 LCD1_CMD(0xAF); // Display On
161 LCD1_CMD(0xB8); // Page Address Setup
162 LCD1_CMD(0x00); // Column Address
164 LCD2_CMD(0xE2); // Reset
165 LCD2_CMD(0xA4); // Static Drive Off
166 LCD2_CMD(0xC0); // Display Start Line
167 LCD2_CMD(0xAF); // Display On
168 LCD2_CMD(0xB8); // Page Address Setup
169 LCD2_CMD(0x00); // Column Address
176 for (p = 0; p <= 3; p++) {
177 LCD1_CMD(0xB8 | (p & 0x03)); // Page Address Setup
178 LCD1_CMD(0x00 | (0 & 0x7F)); // Column Address
179 for (c = 0; c < 62; c++) {
183 LCD2_CMD(0xB8 | (p & 0x03)); // Page Address Setup
184 LCD2_CMD(0x00 | (0 & 0x7F)); // Column Address
185 for (c = 0; c < 62; c++) {
191 void lcd_set_pixel(int x, int y, int reverse)
199 LCD1_CMD(0xB8 | (p & 0x03)); // Page Address Setup
200 LCD1_CMD(0x00 | (c & 0x7F)); // Column Address
202 dat = LCD1_DAT_READ(); // Dummy Read
203 dat = LCD1_DAT_READ(); // Real Read
205 dat |= (1 << (y % 8));
207 dat &= ~(1 << (y % 8));
214 LCD2_CMD(0xB8 | (p & 0x03)); // Page Address Setup
215 LCD2_CMD(0x00 | (c & 0x7F)); // Column Address
217 dat = LCD2_DAT_READ(); // Dummy Read
218 dat = LCD2_DAT_READ(); // Real Read
220 dat |= (1 << (y % 8));
222 dat &= ~(1 << (y % 8));
229 void lcd_draw_line(uint16 x1, uint16 y1, uint16 x2, uint16 y2, uint8 reverse)
233 * Bresenham's line algorithm
235 uint8 steep = abs(y2 - y1) > abs(x2 - x1);
244 int deltax = x2 - x1;
245 int deltay = abs(y2 - y1);
246 int error = deltax / 2;
254 for (x = x1; x <= x2; x++) {
257 lcd_set_pixel(y, x, 0);
259 lcd_set_pixel(y, x, 1);
263 lcd_set_pixel(x, y, 0);
265 lcd_set_pixel(x, y, 1);
268 error = error - deltay;
271 error = error + deltax;
276 void lcd_draw_box(uint16 x1, uint16 y1, uint16 x2, uint16 y2, uint8 reverse)
279 for (x = x1; x <= x2; x++) {
281 lcd_set_pixel(x, y1, 0);
282 lcd_set_pixel(x, y2, 0);
284 lcd_set_pixel(x, y1, 1);
285 lcd_set_pixel(x, y2, 1);
288 for (y = y1; y <= y2; y++) {
290 lcd_set_pixel(x1, y, 0);
291 lcd_set_pixel(x2, y, 0);
293 lcd_set_pixel(x1, y, 1);
294 lcd_set_pixel(x2, y, 1);
299 void lcd_fill_box(uint16 x1, uint16 y1, uint16 x2, uint16 y2, uint8 reverse)
302 for (x = x1; x <= x2; x++) {
303 for (y = y1; y <= y2; y++) {
305 lcd_set_pixel(x, y, 0);
307 lcd_set_pixel(x, y, 1);
313 void lcd_draw_string(uint8 x, uint8 y, char *str, uint8 reverse)
318 lcd_draw_char(x + (FONT_X * cnt), y, *p, reverse);
324 void lcd_draw_char(uint8 x, uint8 y, char c, uint8 reverse)
327 if ((FONT_MIN_CODE <= c) &&(c <= FONT_MAX_CODE)) {
328 int aofs = (c - FONT_MIN_CODE) * FONT_X;
329 for (i = 0; i < FONT_X; i++) {
330 uint8 pat = font5x7_data[aofs + i];
331 for (j = 0; j < FONT_Y; j++) {
332 if (pat & (1 << j)) {
334 lcd_set_pixel(x + i, y + j, 0);
336 lcd_set_pixel(x + i, y + j, 1);
340 lcd_set_pixel(x + i, y + j, 1);
342 lcd_set_pixel(x + i, y + j, 0);
348 for (i = 0; i < FONT_X; i++) {
349 uint8 pat = (i % 2) ? 0x55 : 0xAA;
350 for (j = 0; j < FONT_Y; j++) {
351 if (pat & (1 << j)) {
353 lcd_set_pixel(x + i, y + j, 0);
355 lcd_set_pixel(x + i, y + j, 1);
359 lcd_set_pixel(x + i, y + j, 1);
361 lcd_set_pixel(x + i, y + j, 0);
369 void lcd_draw_checkbox(
370 uint16 x1, uint16 y1, uint16 x2, uint16 y2, uint8 state, uint8 reverse)
372 lcd_draw_box(x1, y1, x2, y2, reverse);
374 lcd_draw_line(x1, y1, x2, y2, reverse);
375 lcd_draw_line(x1, y2, x2, y1, reverse);
379 void lcd_draw_progressbar(
380 uint16 x1, uint16 y1, uint16 x2, uint16 y2,
381 int min, int max, int value, uint8 reverse)
383 lcd_draw_box(x1, y1, x2, y2, reverse);
384 if ((value < min) || (max < value)) {
387 int tmp_max = max - min;
388 int tmp_val = value - min;
389 int pix = ((x2 - x1) * tmp_val) / tmp_max;
390 lcd_fill_box(x1 + 1, y1 + 1, x1 + pix - 1, y2 - 1, reverse);
391 lcd_fill_box(x1 + pix, y1 + 1, x2 - 1, y2 - 1, !reverse);