From 67b749f3afe08bc8a14fa89e92019d142dafa74e Mon Sep 17 00:00:00 2001 From: Joey Castillo Date: Mon, 23 Aug 2021 08:11:49 -0600 Subject: refactor: break out different areas of functionality --- watch-library/watch/watch_slcd.c | 217 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 217 insertions(+) create mode 100644 watch-library/watch/watch_slcd.c (limited to 'watch-library/watch/watch_slcd.c') diff --git a/watch-library/watch/watch_slcd.c b/watch-library/watch/watch_slcd.c new file mode 100644 index 00000000..cdade07f --- /dev/null +++ b/watch-library/watch/watch_slcd.c @@ -0,0 +1,217 @@ +/* + * MIT License + * + * Copyright (c) 2020 Joey Castillo + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all + * copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + + ////////////////////////////////////////////////////////////////////////////////////////// +// Segmented Display + +static const uint8_t Character_Set[] = +{ + 0b00000000, // + 0b00000000, // ! (unused) + 0b00100010, // " + 0b01100011, // # (degree symbol, hash mark doesn't fit) + 0b00000000, // $ (unused) + 0b00000000, // % (unused) + 0b01000100, // & ("lowercase 7" for positions 4 and 6) + 0b00100000, // ' + 0b00111001, // ( + 0b00001111, // ) + 0b00000000, // * (unused) + 0b11000000, // + (only works in position 0) + 0b00000100, // , + 0b01000000, // - + 0b01000000, // . (same as -, semantically most useful) + 0b00010010, // / + 0b00111111, // 0 + 0b00000110, // 1 + 0b01011011, // 2 + 0b01001111, // 3 + 0b01100110, // 4 + 0b01101101, // 5 + 0b01111101, // 6 + 0b00000111, // 7 + 0b01111111, // 8 + 0b01101111, // 9 + 0b00000000, // : (unused) + 0b00000000, // ; (unused) + 0b01011000, // < + 0b01001000, // = + 0b01001100, // > + 0b01010011, // ? + 0b11111111, // @ (all segments on) + 0b01110111, // A + 0b01111111, // B + 0b00111001, // C + 0b00111111, // D + 0b01111001, // E + 0b01110001, // F + 0b00111101, // G + 0b01110110, // H + 0b10001001, // I (only works in position 0) + 0b00001110, // J + 0b01110101, // K + 0b00111000, // L + 0b10110111, // M (only works in position 0) + 0b00110111, // N + 0b00111111, // O + 0b01110011, // P + 0b01100111, // Q + 0b11110111, // R (only works in position 1) + 0b01101101, // S + 0b10000001, // T (only works in position 0; set (1, 12) to make it work in position 1) + 0b00111110, // U + 0b00111110, // V + 0b10111110, // W (only works in position 0) + 0b01111110, // X + 0b01101110, // Y + 0b00011011, // Z + 0b00111001, // [ + 0b00100100, // backslash + 0b00001111, // ] + 0b00100011, // ^ + 0b00001000, // _ + 0b00000010, // ` + 0b01011111, // a + 0b01111100, // b + 0b01011000, // c + 0b01011110, // d + 0b01111011, // e + 0b01110001, // f + 0b01101111, // g + 0b01110100, // h + 0b00010000, // i + 0b01000010, // j (appears as superscript to work in more positions) + 0b01110101, // k + 0b00110000, // l + 0b10110111, // m (only works in position 0) + 0b01010100, // n + 0b01011100, // o + 0b01110011, // p + 0b01100111, // q + 0b01010000, // r + 0b01101101, // s + 0b01111000, // t + 0b01100010, // u (appears as superscript to work in more positions) + 0b01100010, // v (appears as superscript to work in more positions) + 0b10111110, // w (only works in position 0) + 0b01111110, // x + 0b01101110, // y + 0b00011011, // z + 0b00111001, // { + 0b00110000, // | + 0b00001111, // } + 0b00000001, // ~ +}; + +static const uint64_t Segment_Map[] = { + 0x4e4f0e8e8f8d4d0d, // Position 0, mode + 0xc8c4c4c8b4b4b0b, // Position 1, mode (Segments B and C shared, as are segments E and F) + 0xc049c00a49890949, // Position 2, day of month (Segments A, D, G shared; missing segment F) + 0xc048088886874707, // Position 3, day of month + 0xc053921252139352, // Position 4, clock hours (Segments A and D shared) + 0xc054511415559594, // Position 5, clock hours + 0xc057965616179716, // Position 6, clock minutes (Segments A and D shared) + 0xc041804000018a81, // Position 7, clock minutes + 0xc043420203048382, // Position 8, clock seconds + 0xc045440506468584, // Position 9, clock seconds +}; + +static const uint8_t Num_Chars = 10; + +static const uint32_t IndicatorSegments[6] = { + SLCD_SEGID(0, 17), // WATCH_INDICATOR_SIGNAL + SLCD_SEGID(0, 16), // WATCH_INDICATOR_BELL + SLCD_SEGID(2, 17), // WATCH_INDICATOR_PM + SLCD_SEGID(2, 16), // WATCH_INDICATOR_24H + SLCD_SEGID(1, 10), // WATCH_INDICATOR_LAP +}; + +void watch_enable_display() { + SEGMENT_LCD_0_init(); + slcd_sync_enable(&SEGMENT_LCD_0); +} + +inline void watch_set_pixel(uint8_t com, uint8_t seg) { + slcd_sync_seg_on(&SEGMENT_LCD_0, SLCD_SEGID(com, seg)); +} + +inline void watch_clear_pixel(uint8_t com, uint8_t seg) { + slcd_sync_seg_off(&SEGMENT_LCD_0, SLCD_SEGID(com, seg)); +} + +void watch_display_character(uint8_t character, uint8_t position) { + // handle lowercase 7 if needed + if (character == '7' && (position == 4 || position == 6)) character = '&'; + + uint64_t segmap = Segment_Map[position]; + uint64_t segdata = Character_Set[character - 0x20]; + + for (int i = 0; i < 8; i++) { + uint8_t com = (segmap & 0xFF) >> 6; + if (com > 2) { + // COM3 means no segment exists; skip it. + segmap = segmap >> 8; + segdata = segdata >> 1; + continue; + } + uint8_t seg = segmap & 0x3F; + slcd_sync_seg_off(&SEGMENT_LCD_0, SLCD_SEGID(com, seg)); + if (segdata & 1) slcd_sync_seg_on(&SEGMENT_LCD_0, SLCD_SEGID(com, seg)); + segmap = segmap >> 8; + segdata = segdata >> 1; + } +} + +void watch_display_string(char *string, uint8_t position) { + size_t i = 0; + while(string[i] != 0) { + watch_display_character(string[i], position + i); + i++; + if (i >= Num_Chars) break; + } +} + +inline void watch_set_colon() { + slcd_sync_seg_on(&SEGMENT_LCD_0, SLCD_SEGID(1, 16)); +} + +inline void watch_clear_colon() { + slcd_sync_seg_off(&SEGMENT_LCD_0, SLCD_SEGID(1, 16)); +} + +inline void watch_set_indicator(WatchIndicatorSegment indicator) { + slcd_sync_seg_on(&SEGMENT_LCD_0, IndicatorSegments[indicator]); +} + +inline void watch_clear_indicator(WatchIndicatorSegment indicator) { + slcd_sync_seg_off(&SEGMENT_LCD_0, IndicatorSegments[indicator]); +} + +void watch_clear_all_indicators() { + slcd_sync_seg_off(&SEGMENT_LCD_0, SLCD_SEGID(2, 17)); + slcd_sync_seg_off(&SEGMENT_LCD_0, SLCD_SEGID(2, 16)); + slcd_sync_seg_off(&SEGMENT_LCD_0, SLCD_SEGID(0, 17)); + slcd_sync_seg_off(&SEGMENT_LCD_0, SLCD_SEGID(0, 16)); + slcd_sync_seg_off(&SEGMENT_LCD_0, SLCD_SEGID(1, 10)); +} -- cgit v1.2.3