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// ============================================================
// Tiny 5x7 font: digits, letters and punctuation
// ============================================================
struct Glyph {
char character;
uint8_t columns[5];
};
static const Glyph font[] = {
{' ', {0x00,0x00,0x00,0x00,0x00}},
{'.', {0x00,0x60,0x60,0x00,0x00}},
{':', {0x00,0x36,0x36,0x00,0x00}},
{'-', {0x08,0x08,0x08,0x08,0x08}},
{'+', {0x08,0x08,0x3E,0x08,0x08}},
{'0', {0x3E,0x51,0x49,0x45,0x3E}},
{'1', {0x00,0x42,0x7F,0x40,0x00}},
{'2', {0x42,0x61,0x51,0x49,0x46}},
{'3', {0x21,0x41,0x45,0x4B,0x31}},
{'4', {0x18,0x14,0x12,0x7F,0x10}},
{'5', {0x27,0x45,0x45,0x45,0x39}},
{'6', {0x3C,0x4A,0x49,0x49,0x30}},
{'7', {0x01,0x71,0x09,0x05,0x03}},
{'8', {0x36,0x49,0x49,0x49,0x36}},
{'9', {0x06,0x49,0x49,0x29,0x1E}},
{'A', {0x7E,0x11,0x11,0x11,0x7E}},
{'C', {0x3E,0x41,0x41,0x41,0x22}},
{'E', {0x7F,0x49,0x49,0x49,0x41}},
{'H', {0x7F,0x08,0x08,0x08,0x7F}},
{'I', {0x00,0x41,0x7F,0x41,0x00}},
{'M', {0x7F,0x02,0x0C,0x02,0x7F}},
{'N', {0x7F,0x04,0x08,0x10,0x7F}},
{'O', {0x3E,0x41,0x41,0x41,0x3E}},
{'P', {0x7F,0x09,0x09,0x09,0x06}},
{'R', {0x7F,0x09,0x19,0x29,0x46}},
{'S', {0x46,0x49,0x49,0x49,0x31}},
{'T', {0x01,0x01,0x7F,0x01,0x01}},
{'U', {0x3F,0x40,0x40,0x40,0x3F}},
{'X', {0x63,0x14,0x08,0x14,0x63}},
{'Y', {0x07,0x08,0x70,0x08,0x07}}
};
static const Glyph *find_glyph(char character)
{
for (const Glyph &glyph : font) {
if (glyph.character == character) {
return &glyph;
}
}
return nullptr;
}
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