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time_print.ino
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time_print.ino
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/****************************************************************************/
/************************** CLOCK DISPLAY ROUTINES **************************/
/****************************************************************************/
#define CHAR_HEIGHT 7
// 4x7 number digit font bitmaps -- used for displaying clockface
static const byte _number_width = 5;
static const byte _numbers[][CHAR_HEIGHT]
{
// 0
{ B11110000,
B10010000,
B10010000,
B10010000,
B10010000,
B10010000,
B11110000 },
//1
{ B00010000,
B00010000,
B00010000,
B00010000,
B00010000,
B00010000,
B00010000 },
// 2
{ B11110000,
B00010000,
B00010000,
B11110000,
B10000000,
B10000000,
B11110000 },
// 3
{ B11110000,
B00010000,
B00010000,
B11110000,
B00010000,
B00010000,
B11110000 },
// 4
{ B10010000,
B10010000,
B10010000,
B11110000,
B00010000,
B00010000,
B00010000, },
// 5
{
B11110000,
B10000000,
B10000000,
B11110000,
B00010000,
B00010000,
B11110000, },
// 6
{ B11110000,
B10000000,
B10000000,
B11110000,
B10010000,
B10010000,
B11110000, },
// 7
{ B11110000,
B00010000,
B00010000,
B00010000,
B00010000,
B00010000,
B00010000, },
// 8
{ B11110000,
B10010000,
B10010000,
B11110000,
B10010000,
B10010000,
B11110000, },
// 9
{ B11110000,
B10010000,
B10010000,
B11110000,
B00010000,
B00010000,
B11110000, },
};
static const byte _colon_width = 2;
static const byte _colon[] =
{
// : (2 pix wide)
B00000000,
B10000000,
B10000000,
B00000000,
B10000000,
B10000000,
B00000000,
};
static const byte _slash_width = 8;
static const byte _slash[] =
{
// / (8 pix wide)
B00000010,
B00000100,
B00001000,
B00010000,
B00100000,
B01000000,
B10000000,
};
/**
* Static variable to track the current display cursor position.
*/
static int _cursor = 0;
/**
* Clear the screen. Does not call matrix.show().
*/
void clear_screen(void)
{
matrix.clear();
_cursor = 0;
}
/**
* Print a single digit on the display, at the cursor location, in the
* given color. Does not call matrix.show().
*/
void print_digit(unsigned i, uint16_t color)
{
if (i > 10)
{
// Invalid data, nothing to do...
return;
}
matrix.fillRect(_cursor, 0, _cursor + _number_width, CHAR_HEIGHT, 0);
matrix.drawBitmap(_cursor, 0, _numbers[i], _number_width, CHAR_HEIGHT, color);
_cursor += _number_width;
}
/**
* Print a colon on the display, at the cursor location, in the given color.
* Does not call matrix.show().
*/
void print_colon(uint16_t color)
{
matrix.fillRect(_cursor, 0, _cursor + _colon_width, CHAR_HEIGHT, 0);
matrix.drawBitmap(_cursor, 0, _colon, _colon_width, CHAR_HEIGHT, color);
_cursor += _colon_width;
}
/**
* Print a slash on the display, at the cursor location, in the given color.
* Does not call matrix.show().
*/
void print_slash(uint16_t color)
{
matrix.fillRect(_cursor, 0, _cursor + _slash_width, CHAR_HEIGHT, 0);
matrix.drawBitmap(_cursor, 0, _slash, _slash_width, CHAR_HEIGHT, color);
_cursor += _slash_width;
}
/**
* Print a two-digit number on the display, at the cursor location,
* in the given color. Does not call matrix.show().
*/
void print_num(unsigned i, uint16_t color)
{
uint8_t temp_digit;
temp_digit = i % 10;
i = i / 10;
print_digit(i % 10, color);
print_digit(temp_digit, color);
}
/**
* Print the countdown time on the display
*/
void print_time_interval(TimeInterval_t &time_interval)
{
// Display the time interval
clear_screen();
print_num(time_interval.days, _colors[COLOR_YELLOW]);
print_colon(_colors[COLOR_BLUE]);
print_num(time_interval.hours, _colors[COLOR_YELLOW]);
print_colon(_colors[COLOR_BLUE]);
print_num(time_interval.minutes, _colors[COLOR_YELLOW]);
print_colon(_colors[COLOR_BLUE]);
print_num(time_interval.seconds, _colors[COLOR_YELLOW]);
matrix.show();
}
/**
* Print the time on the display
*/
void print_time(CalendarTime_t &calendar_time)
{
// Display the time
clear_screen();
// Offset the time to center it
_cursor = 6;
print_num(calendar_time.hour, _colors[COLOR_YELLOW]);
print_colon(_colors[COLOR_BLUE]);
print_num(calendar_time.minute, _colors[COLOR_YELLOW]);
print_colon(_colors[COLOR_BLUE]);
print_num(calendar_time.second, _colors[COLOR_YELLOW]);
matrix.show();
}
/**
* Print the date on the display
*/
void print_date(CalendarTime_t &calendar_time)
{
// Display the date
clear_screen();
// Print date in format MM/DD/YY
print_num(calendar_time.month, _colors[COLOR_YELLOW]);
print_slash(_colors[COLOR_BLUE]);
print_num(calendar_time.day, _colors[COLOR_YELLOW]);
print_slash(_colors[COLOR_BLUE]);
print_num(calendar_time.year, _colors[COLOR_YELLOW]);
matrix.show();
}