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