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keyboard.c
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keyboard.c
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static uint8_t cur_key, kbd_mode = 2;
typedef struct KEYBOARD_KEY
{
uint8_t X, Y, W, Left, Right, Up, Down;
char Key, KeyShift;
} KeyboardKey;
static const KeyboardKey keys[51] PROGMEM =
{
/* Row 0 - 14 Keys */
{ .X = 0, .Y = 1, .W = 16, .Left = 0xFF, .Right = 1, .Up = 0xFF, .Down = 14, .Key = '`', .KeyShift = '~' }, /* 0 */
{ .X = 17, .Y = 1, .W = 15, .Left = 0, .Right = 2, .Up = 0xFF, .Down = 15, .Key = '1', .KeyShift = '!' }, /* 1 */
{ .X = 33, .Y = 1, .W = 15, .Left = 1, .Right = 3, .Up = 0xFF, .Down = 16, .Key = '2', .KeyShift = '@' }, /* 2 */
{ .X = 49, .Y = 1, .W = 15, .Left = 2, .Right = 4, .Up = 0xFF, .Down = 17, .Key = '3', .KeyShift = '#' }, /* 3 */
{ .X = 65, .Y = 1, .W = 15, .Left = 3, .Right = 5, .Up = 0xFF, .Down = 18, .Key = '4', .KeyShift = '$' }, /* 4 */
{ .X = 81, .Y = 1, .W = 15, .Left = 4, .Right = 6, .Up = 0xFF, .Down = 19, .Key = '5', .KeyShift = '%' }, /* 5 */
{ .X = 97, .Y = 1, .W = 15, .Left = 5, .Right = 7, .Up = 0xFF, .Down = 20, .Key = '6', .KeyShift = '^' }, /* 6 */
{ .X = 113, .Y = 1, .W = 15, .Left = 6, .Right = 8, .Up = 0xFF, .Down = 21, .Key = '7', .KeyShift = '&' }, /* 7 */
{ .X = 129, .Y = 1, .W = 15, .Left = 7, .Right = 9, .Up = 0xFF, .Down = 22, .Key = '8', .KeyShift = '*' }, /* 8 */
{ .X = 145, .Y = 1, .W = 15, .Left = 8, .Right = 10, .Up = 0xFF, .Down = 23, .Key = '9', .KeyShift = '(' }, /* 9 */
{ .X = 161, .Y = 1, .W = 15, .Left = 9, .Right = 11, .Up = 0xFF, .Down = 24, .Key = '0', .KeyShift = ')' }, /* 10 */
{ .X = 177, .Y = 1, .W = 15, .Left = 10, .Right = 12, .Up = 0xFF, .Down = 25, .Key = '-', .KeyShift = '_' }, /* 11 */
{ .X = 193, .Y = 1, .W = 15, .Left = 11, .Right = 13, .Up = 0xFF, .Down = 26, .Key = '+', .KeyShift = '=' }, /* 12 */
{ .X = 209, .Y = 1, .W = 31, .Left = 12, .Right = 0xFF, .Up = 0xFF, .Down = 27, .Key = '\b', .KeyShift = '\b' }, /* 13 */
/* Row 1 - 14 Keys */
{ .X = 0, .Y = 17, .W = 24, .Left = 0xFF, .Right = 15, .Up = 0, .Down = 0xFF, .Key = '\t', .KeyShift = '\t' }, /* 14 */
{ .X = 25, .Y = 17, .W = 15, .Left = 14, .Right = 16, .Up = 1, .Down = 28, .Key = 'q', .KeyShift = 'Q' }, /* 15 */
{ .X = 41, .Y = 17, .W = 15, .Left = 15, .Right = 17, .Up = 2, .Down = 29, .Key = 'w', .KeyShift = 'W' }, /* 16 */
{ .X = 57, .Y = 17, .W = 15, .Left = 16, .Right = 18, .Up = 3, .Down = 30, .Key = 'e', .KeyShift = 'E' }, /* 17 */
{ .X = 73, .Y = 17, .W = 15, .Left = 17, .Right = 19, .Up = 4, .Down = 31, .Key = 'r', .KeyShift = 'R' }, /* 18 */
{ .X = 89, .Y = 17, .W = 15, .Left = 18, .Right = 20, .Up = 5, .Down = 32, .Key = 't', .KeyShift = 'T' }, /* 19 */
{ .X = 105, .Y = 17, .W = 15, .Left = 19, .Right = 21, .Up = 6, .Down = 33, .Key = 'y', .KeyShift = 'Y' }, /* 20 */
{ .X = 121, .Y = 17, .W = 15, .Left = 20, .Right = 22, .Up = 7, .Down = 34, .Key = 'u', .KeyShift = 'U' }, /* 21 */
{ .X = 137, .Y = 17, .W = 15, .Left = 21, .Right = 23, .Up = 8, .Down = 35, .Key = 'i', .KeyShift = 'I' }, /* 22 */
{ .X = 153, .Y = 17, .W = 15, .Left = 22, .Right = 24, .Up = 9, .Down = 36, .Key = 'o', .KeyShift = 'O' }, /* 23 */
{ .X = 169, .Y = 17, .W = 15, .Left = 23, .Right = 25, .Up = 10, .Down = 37, .Key = 'p', .KeyShift = 'P' }, /* 24 */
{ .X = 185, .Y = 17, .W = 15, .Left = 24, .Right = 26, .Up = 11, .Down = 38, .Key = '{', .KeyShift = '[' }, /* 25 */
{ .X = 201, .Y = 17, .W = 15, .Left = 25, .Right = 27, .Up = 12, .Down = 39, .Key = '}', .KeyShift = ']' }, /* 26 */
{ .X = 217, .Y = 17, .W = 23, .Left = 26, .Right = 0xFF, .Up = 13, .Down = 39, .Key = '|', .KeyShift = '\\' }, /* 27 */
/* Row 2 - 11 Keys */
{ .X = 29, .Y = 33, .W = 15, .Left = 0xFF, .Right = 29, .Up = 15, .Down = 40, .Key = 'a', .KeyShift = 'A' }, /* 28 */
{ .X = 45, .Y = 33, .W = 15, .Left = 28, .Right = 30, .Up = 16, .Down = 41, .Key = 's', .KeyShift = 'S' }, /* 29 */
{ .X = 61, .Y = 33, .W = 15, .Left = 29, .Right = 31, .Up = 17, .Down = 42, .Key = 'd', .KeyShift = 'D' }, /* 30 */
{ .X = 77, .Y = 33, .W = 15, .Left = 30, .Right = 32, .Up = 18, .Down = 43, .Key = 'f', .KeyShift = 'F' }, /* 31 */
{ .X = 93, .Y = 33, .W = 15, .Left = 31, .Right = 33, .Up = 19, .Down = 44, .Key = 'g', .KeyShift = 'G' }, /* 32 */
{ .X = 109, .Y = 33, .W = 15, .Left = 32, .Right = 34, .Up = 20, .Down = 45, .Key = 'h', .KeyShift = 'H' }, /* 33 */
{ .X = 125, .Y = 33, .W = 15, .Left = 33, .Right = 35, .Up = 21, .Down = 46, .Key = 'j', .KeyShift = 'J' }, /* 34 */
{ .X = 141, .Y = 33, .W = 15, .Left = 34, .Right = 36, .Up = 22, .Down = 47, .Key = 'k', .KeyShift = 'K' }, /* 35 */
{ .X = 157, .Y = 33, .W = 15, .Left = 35, .Right = 37, .Up = 23, .Down = 48, .Key = 'l', .KeyShift = 'L' }, /* 36 */
{ .X = 173, .Y = 33, .W = 15, .Left = 36, .Right = 38, .Up = 24, .Down = 49, .Key = ':', .KeyShift = ';' }, /* 37 */
{ .X = 189, .Y = 33, .W = 15, .Left = 37, .Right = 39, .Up = 25, .Down = 49, .Key = '"', .KeyShift = '\'' }, /* 38 */
{ .X = 205, .Y = 33, .W = 35, .Left = 38, .Right = 0xFF, .Up = 26, .Down = 49, .Key = '\n', .KeyShift = '\n' }, /* 39 */
/* Row 3 - 10 Keys */
{ .X = 33, .Y = 49, .W = 15, .Left = 0xFF, .Right = 41, .Up = 28, .Down = 50, .Key = 'z', .KeyShift = 'Z' }, /* 40 */
{ .X = 49, .Y = 49, .W = 15, .Left = 40, .Right = 42, .Up = 29, .Down = 50, .Key = 'x', .KeyShift = 'X' }, /* 41 */
{ .X = 65, .Y = 49, .W = 15, .Left = 41, .Right = 43, .Up = 30, .Down = 50, .Key = 'c', .KeyShift = 'C' }, /* 42 */
{ .X = 81, .Y = 49, .W = 15, .Left = 42, .Right = 44, .Up = 31, .Down = 50, .Key = 'v', .KeyShift = 'V' }, /* 43 */
{ .X = 97, .Y = 49, .W = 15, .Left = 43, .Right = 45, .Up = 32, .Down = 50, .Key = 'b', .KeyShift = 'B' }, /* 44 */
{ .X = 113, .Y = 49, .W = 15, .Left = 44, .Right = 46, .Up = 33, .Down = 50, .Key = 'n', .KeyShift = 'N' }, /* 45 */
{ .X = 129, .Y = 49, .W = 15, .Left = 45, .Right = 47, .Up = 34, .Down = 50, .Key = 'm', .KeyShift = 'M' }, /* 46 */
{ .X = 145, .Y = 49, .W = 15, .Left = 46, .Right = 48, .Up = 35, .Down = 50, .Key = '<', .KeyShift = ',' }, /* 47 */
{ .X = 161, .Y = 49, .W = 15, .Left = 47, .Right = 49, .Up = 36, .Down = 50, .Key = '>', .KeyShift = '.' }, /* 48 */
{ .X = 177, .Y = 49, .W = 15, .Left = 48, .Right = 0xFF, .Up = 37, .Down = 50, .Key = '?', .KeyShift = '/' }, /* 49 */
/* Row 4 - 1 Key */
{ .X = 65, .Y = 65, .W = 95, .Left = 0xFF, .Right = 0xFF, .Up = 44, .Down = 0xFF, .Key = ' ', .KeyShift = ' ' }, /* 50 */
};
static void event_key(uint8_t key, uint8_t ascii);
static uint8_t key_shift(uint8_t k)
{
return kbd_mode ? pgm_read_byte(&(keys[k].KeyShift)) : pgm_read_byte(&(keys[k].Key));
}
static void render_key(uint8_t k)
{
uint8_t x, y, w;
x = pgm_read_byte(&(keys[k].X));
y = pgm_read_byte(&(keys[k].Y));
w = pgm_read_byte(&(keys[k].W));
lcd_color(LCD_WHITE);
lcd_rect(x, LCD_HEIGHT - 80 + y, w, 15);
lcd_color(LCD_BLACK);
lcd_char(x + w / 2 - pgm_read_byte(&font_default_widths[key_shift(k) - 32]) / 2,
LCD_HEIGHT - 80 + y + 2, key_shift(k));
}
static void render_key_sel(uint8_t k)
{
uint8_t x, y, w;
x = pgm_read_byte(&(keys[k].X));
y = pgm_read_byte(&(keys[k].Y));
w = pgm_read_byte(&(keys[k].W));
lcd_color(LCD_BLUE);
lcd_rect(x, LCD_HEIGHT - 80 + y, w, 15);
lcd_color(LCD_WHITE);
lcd_char(x + w / 2 - pgm_read_byte(&font_default_widths[key_shift(k) - 32]) / 2,
LCD_HEIGHT - 80 + y + 2, key_shift(k));
}
static void render_key_move(uint8_t old, uint8_t new)
{
render_key(old);
render_key_sel(new);
}
static void render_grid(void)
{
uint8_t i;
lcd_color(LCD_BLACK);
lcd_hline(0, LCD_HEIGHT - 80, LCD_WIDTH);
lcd_hline(0, LCD_HEIGHT - 80 + 16, LCD_WIDTH);
lcd_hline(0, LCD_HEIGHT - 80 + 32, LCD_WIDTH);
lcd_hline(0, LCD_HEIGHT - 80 + 48, LCD_WIDTH);
lcd_hline(0, LCD_HEIGHT - 80 + 64, LCD_WIDTH);
/* Middle Bottom Row */
lcd_rect(0, LCD_HEIGHT - 80 + 33, 29, 15);
/* Second Bottom Row */
lcd_rect(0, LCD_HEIGHT - 80 + 49, 33, 15);
lcd_rect(177 + 16, LCD_HEIGHT - 80 + 49, LCD_WIDTH - (177 + 16), 15);
/* Enter Sides */
lcd_rect(0, LCD_HEIGHT - 80 + 65, 65, 15);
lcd_rect(65 + 96, LCD_HEIGHT - 80 + 65, LCD_WIDTH - (65 + 96), 15);
/* Vertical */
for(i = 0; i < 51; ++i)
{
uint8_t x, y, w;
x = pgm_read_byte(&(keys[i].X));
y = pgm_read_byte(&(keys[i].Y));
w = pgm_read_byte(&(keys[i].W));
if(x + w < LCD_WIDTH - 1)
{
lcd_vline(x + w, LCD_HEIGHT - 80 + y, 15);
}
}
}
static void render_keys(void)
{
uint8_t i;
for(i = 0; i < 51; ++i)
{
if(i == cur_key)
{
render_key_sel(i);
continue;
}
render_key(i);
}
}
static void render_key_feedback(void)
{
lcd_color(LCD_WHITE);
lcd_rect(0, LCD_HEIGHT - 80, LCD_WIDTH, 80);
lcd_color(LCD_BLACK);
lcd_hline(0, LCD_HEIGHT - 80, LCD_WIDTH);
/* A */
lcd_rect_border(5, LCD_HEIGHT - 80 + 5, 20, 20);
/* B */
lcd_rect_border(5, LCD_HEIGHT - 80 + 30, 20, 20);
/* Center */
lcd_rect_border(110, LCD_HEIGHT - 80 + 30, 20, 20);
/* Right */
lcd_rect_border(135, LCD_HEIGHT - 80 + 30, 20, 20);
/* Left */
lcd_rect_border(85, LCD_HEIGHT - 80 + 30, 20, 20);
/* Top */
lcd_rect_border(110, LCD_HEIGHT - 80 + 5, 20, 20);
/* Bottom */
lcd_rect_border(110, LCD_HEIGHT - 80 + 55, 20, 20);
}
static void render_keyboard(void)
{
switch(kbd_mode)
{
case 0:
render_grid();
render_keys();
break;
case 1:
render_keys();
break;
case 2:
render_key_feedback();
break;
}
}
static void keyboard_key(uint8_t button, uint8_t action)
{
if(button == BUTTON_A && action == BUTTON_PRESS)
{
++kbd_mode;
if(kbd_mode == 3)
{
kbd_mode = 0;
}
render_keyboard();
}
else
{
if(kbd_mode != 2)
{
if(action == BUTTON_PRESS || action == BUTTON_REPEAT)
{
switch(button)
{
case BUTTON_UP:
{
uint8_t new;
new = pgm_read_byte(&(keys[cur_key].Up));
if(new == 0xFF) { return; }
render_key_move(cur_key, new);
cur_key = new;
break;
}
case BUTTON_DOWN:
{
uint8_t new;
new = pgm_read_byte(&(keys[cur_key].Down));
if(new == 0xFF) { return; }
render_key_move(cur_key, new);
cur_key = new;
break;
}
case BUTTON_LEFT:
{
uint8_t new;
new = pgm_read_byte(&(keys[cur_key].Left));
if(new == 0xFF) { return; }
render_key_move(cur_key, new);
cur_key = new;
break;
}
case BUTTON_RIGHT:
{
uint8_t new;
new = pgm_read_byte(&(keys[cur_key].Right));
if(new == 0xFF) { return; }
render_key_move(cur_key, new);
cur_key = new;
break;
}
case BUTTON_CENTER:
{
event_key(cur_key, key_shift(cur_key));
break;
}
}
}
}
else
{
switch(action)
{
case BUTTON_PRESS:
lcd_color(LCD_BLUE);
break;
case BUTTON_RELEASE:
lcd_color(LCD_WHITE);
break;
}
switch(button)
{
case BUTTON_A:
lcd_rect(5 + 1, LCD_HEIGHT - 80 + 5 + 1, 18, 18);
break;
case BUTTON_B:
lcd_rect(5 + 1, LCD_HEIGHT - 80 + 30 + 1, 18, 18);
break;
case BUTTON_CENTER:
lcd_rect(110 + 1, LCD_HEIGHT - 80 + 30 + 1, 18, 18);
break;
case BUTTON_RIGHT:
lcd_rect(135 + 1, LCD_HEIGHT - 80 + 30 + 1, 18, 18);
break;
case BUTTON_LEFT:
lcd_rect(85 + 1, LCD_HEIGHT - 80 + 30 + 1, 18, 18);
break;
case BUTTON_UP:
lcd_rect(110 + 1, LCD_HEIGHT - 80 + 5 + 1, 18, 18);
break;
case BUTTON_DOWN:
lcd_rect(110 + 1, LCD_HEIGHT - 80 + 55 + 1, 18, 18);
break;
}
}
}
}