Display digits and integers
Display digits and integers, for the later displaying leading zeroes is supported via parameter. Demo integers are displayed in the setup screen.
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19c0f141a4
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6eb515e2d4
1 changed files with 60 additions and 2 deletions
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@ -165,6 +165,62 @@ static void lcd_write_symbol_page(const struct symbol* sym,
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lcd_write(sym->symbol[page * sym->length + i]);
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lcd_write(sym->symbol[page * sym->length + i]);
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}
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}
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static void lcd_write_digit_page(uint8_t digit, uint8_t page,
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bool invert) {
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switch (digit) {
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case 0:
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lcd_write_symbol_page(&sym_0, page, invert);
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break;
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case 1:
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lcd_write_symbol_page(&sym_1, page, invert);
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break;
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case 2:
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lcd_write_symbol_page(&sym_2, page, invert);
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break;
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case 3:
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lcd_write_symbol_page(&sym_3, page, invert);
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break;
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case 4:
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lcd_write_symbol_page(&sym_4, page, invert);
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break;
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case 5:
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lcd_write_symbol_page(&sym_5, page, invert);
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break;
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case 6:
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lcd_write_symbol_page(&sym_6, page, invert);
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break;
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case 7:
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lcd_write_symbol_page(&sym_7, page, invert);
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break;
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case 8:
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lcd_write_symbol_page(&sym_8, page, invert);
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break;
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case 9:
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lcd_write_symbol_page(&sym_9, page, invert);
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break;
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}
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}
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static void lcd_write_integer_page(uint8_t integer, uint8_t digits,
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uint8_t page, bool invert) {
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if (digits != 0 || integer != 0) {
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uint8_t input_digits = 0;
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uint16_t comperator = 1;
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for (; comperator <= integer; comperator *= 10, input_digits++);
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for (int8_t i = digits - input_digits; i > 0; i--) {
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lcd_write_kerning(2, invert);
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lcd_write_digit_page(0, page, invert);
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}
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for (; comperator >= 10; comperator /= 10) {
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lcd_write_kerning(2, invert);
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lcd_write_digit_page((integer % comperator) / (comperator / 10),
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page, invert);
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}
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}
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}
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void lcd_splash(void) {
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void lcd_splash(void) {
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lcd_fill(0x00);
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lcd_fill(0x00);
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@ -317,7 +373,8 @@ static void lcd_setup(void) {
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lcd_write_symbol_page(&sym_t, i, false);
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lcd_write_symbol_page(&sym_t, i, false);
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lcd_write_kerning(2, false);
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lcd_write_kerning(2, false);
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lcd_write_symbol_page(&sym_colon, i, false);
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lcd_write_symbol_page(&sym_colon, i, false);
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lcd_write_kerning(13, false);
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lcd_write_kerning(11, false);
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lcd_write_integer_page(123, 1, i, false);
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}
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}
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for (uint8_t i = 0; i < 2; i++) {
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for (uint8_t i = 0; i < 2; i++) {
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@ -346,7 +403,8 @@ static void lcd_setup(void) {
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lcd_write_symbol_page(&sym_t, i, false);
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lcd_write_symbol_page(&sym_t, i, false);
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lcd_write_kerning(2, false);
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lcd_write_kerning(2, false);
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lcd_write_symbol_page(&sym_colon, i, false);
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lcd_write_symbol_page(&sym_colon, i, false);
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lcd_write_kerning(9, false);
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lcd_write_kerning(7, false);
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lcd_write_integer_page(123, 3, i, false);
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}
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}
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for (uint8_t i = 0; i < 2; i++) {
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for (uint8_t i = 0; i < 2; i++) {
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