383 lines
11 KiB
C++
383 lines
11 KiB
C++
/*
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Arduino Watch Lite Version
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You may find full version at: https://github.com/moononournation/ArduinoWatch
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*/
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/*******************************************************************************
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* Start of Arduino_GFX setting
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*
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* Arduino_GFX try to find the settings depends on selected board in Arduino IDE
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* Or you can define the display dev kit not in the board list
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* Defalult pin list for non display dev kit:
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* Arduino Nano, Micro and more: CS: 9, DC: 8, RST: 7, BL: 6, SCK: 13, MOSI: 11, MISO: 12
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* ESP32 various dev board : CS: 5, DC: 27, RST: 33, BL: 22, SCK: 18, MOSI: 23, MISO: nil
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* ESP32-C3 various dev board : CS: 7, DC: 2, RST: 1, BL: 3, SCK: 4, MOSI: 6, MISO: nil
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* ESP32-S2 various dev board : CS: 34, DC: 38, RST: 33, BL: 21, SCK: 36, MOSI: 35, MISO: nil
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* ESP32-S3 various dev board : CS: 40, DC: 41, RST: 42, BL: 48, SCK: 36, MOSI: 35, MISO: nil
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* ESP8266 various dev board : CS: 15, DC: 4, RST: 2, BL: 5, SCK: 14, MOSI: 13, MISO: 12
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* Raspberry Pi Pico dev board : CS: 17, DC: 27, RST: 26, BL: 28, SCK: 18, MOSI: 19, MISO: 16
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* RTL8720 BW16 old patch core : CS: 18, DC: 17, RST: 2, BL: 23, SCK: 19, MOSI: 21, MISO: 20
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* RTL8720_BW16 Official core : CS: 9, DC: 8, RST: 6, BL: 3, SCK: 10, MOSI: 12, MISO: 11
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* RTL8722 dev board : CS: 18, DC: 17, RST: 22, BL: 23, SCK: 13, MOSI: 11, MISO: 12
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* RTL8722_mini dev board : CS: 12, DC: 14, RST: 15, BL: 13, SCK: 11, MOSI: 9, MISO: 10
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* Seeeduino XIAO dev board : CS: 3, DC: 2, RST: 1, BL: 0, SCK: 8, MOSI: 10, MISO: 9
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* Teensy 4.1 dev board : CS: 39, DC: 41, RST: 40, BL: 22, SCK: 13, MOSI: 11, MISO: 12
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******************************************************************************/
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#include <Arduino_GFX_Library.h>
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#define GFX_BL DF_GFX_BL // default backlight pin, you may replace DF_GFX_BL to actual backlight pin
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/* More dev device declaration: https://github.com/moononournation/Arduino_GFX/wiki/Dev-Device-Declaration */
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#if defined(DISPLAY_DEV_KIT)
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Arduino_GFX *gfx = create_default_Arduino_GFX();
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#else /* !defined(DISPLAY_DEV_KIT) */
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/* More data bus class: https://github.com/moononournation/Arduino_GFX/wiki/Data-Bus-Class */
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Arduino_DataBus *bus = create_default_Arduino_DataBus();
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/* More display class: https://github.com/moononournation/Arduino_GFX/wiki/Display-Class */
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Arduino_GFX *gfx = new Arduino_ILI9341(bus, DF_GFX_RST, 0 /* rotation */, false /* IPS */);
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#endif /* !defined(DISPLAY_DEV_KIT) */
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/*******************************************************************************
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* End of Arduino_GFX setting
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******************************************************************************/
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#define BACKGROUND BLACK
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#define MARK_COLOR WHITE
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#define SUBMARK_COLOR DARKGREY // LIGHTGREY
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#define HOUR_COLOR WHITE
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#define MINUTE_COLOR BLUE // LIGHTGREY
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#define SECOND_COLOR RED
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#define SIXTIETH 0.016666667
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#define TWELFTH 0.08333333
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#define SIXTIETH_RADIAN 0.10471976
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#define TWELFTH_RADIAN 0.52359878
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#define RIGHT_ANGLE_RADIAN 1.5707963
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static uint8_t conv2d(const char *p)
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{
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uint8_t v = 0;
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return (10 * (*p - '0')) + (*++p - '0');
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}
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static int16_t w, h, center;
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static int16_t hHandLen, mHandLen, sHandLen, markLen;
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static float sdeg, mdeg, hdeg;
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static int16_t osx = 0, osy = 0, omx = 0, omy = 0, ohx = 0, ohy = 0; // Saved H, M, S x & y coords
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static int16_t nsx, nsy, nmx, nmy, nhx, nhy; // H, M, S x & y coords
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static int16_t xMin, yMin, xMax, yMax; // redraw range
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static int16_t hh, mm, ss;
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static unsigned long targetTime; // next action time
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static int16_t *cached_points;
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static uint16_t cached_points_idx = 0;
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static int16_t *last_cached_point;
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void setup(void)
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{
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gfx->begin();
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gfx->fillScreen(BACKGROUND);
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#ifdef GFX_BL
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pinMode(GFX_BL, OUTPUT);
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digitalWrite(GFX_BL, HIGH);
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#endif
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// init LCD constant
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w = gfx->width();
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h = gfx->height();
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if (w < h)
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{
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center = w / 2;
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}
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else
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{
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center = h / 2;
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}
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hHandLen = center * 3 / 8;
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mHandLen = center * 2 / 3;
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sHandLen = center * 5 / 6;
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markLen = sHandLen / 6;
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cached_points = (int16_t *)malloc((hHandLen + 1 + mHandLen + 1 + sHandLen + 1) * 2 * 2);
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// Draw 60 clock marks
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draw_round_clock_mark(
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// draw_square_clock_mark(
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center - markLen, center,
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center - (markLen * 2 / 3), center,
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center - (markLen / 2), center);
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hh = conv2d(__TIME__);
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mm = conv2d(__TIME__ + 3);
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ss = conv2d(__TIME__ + 6);
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targetTime = ((millis() / 1000) + 1) * 1000;
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}
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void loop()
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{
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unsigned long cur_millis = millis();
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if (cur_millis >= targetTime)
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{
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targetTime += 1000;
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ss++; // Advance second
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if (ss == 60)
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{
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ss = 0;
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mm++; // Advance minute
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if (mm > 59)
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{
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mm = 0;
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hh++; // Advance hour
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if (hh > 23)
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{
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hh = 0;
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}
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}
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}
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}
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// Pre-compute hand degrees, x & y coords for a fast screen update
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sdeg = SIXTIETH_RADIAN * ((0.001 * (cur_millis % 1000)) + ss); // 0-59 (includes millis)
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nsx = cos(sdeg - RIGHT_ANGLE_RADIAN) * sHandLen + center;
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nsy = sin(sdeg - RIGHT_ANGLE_RADIAN) * sHandLen + center;
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if ((nsx != osx) || (nsy != osy))
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{
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mdeg = (SIXTIETH * sdeg) + (SIXTIETH_RADIAN * mm); // 0-59 (includes seconds)
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hdeg = (TWELFTH * mdeg) + (TWELFTH_RADIAN * hh); // 0-11 (includes minutes)
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mdeg -= RIGHT_ANGLE_RADIAN;
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hdeg -= RIGHT_ANGLE_RADIAN;
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nmx = cos(mdeg) * mHandLen + center;
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nmy = sin(mdeg) * mHandLen + center;
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nhx = cos(hdeg) * hHandLen + center;
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nhy = sin(hdeg) * hHandLen + center;
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// redraw hands
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redraw_hands_cached_draw_and_erase();
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ohx = nhx;
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ohy = nhy;
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omx = nmx;
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omy = nmy;
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osx = nsx;
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osy = nsy;
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delay(1);
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}
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}
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void draw_round_clock_mark(int16_t innerR1, int16_t outerR1, int16_t innerR2, int16_t outerR2, int16_t innerR3, int16_t outerR3)
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{
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float x, y;
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int16_t x0, x1, y0, y1, innerR, outerR;
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uint16_t c;
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for (uint8_t i = 0; i < 60; i++)
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{
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if ((i % 15) == 0)
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{
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innerR = innerR1;
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outerR = outerR1;
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c = MARK_COLOR;
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}
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else if ((i % 5) == 0)
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{
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innerR = innerR2;
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outerR = outerR2;
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c = MARK_COLOR;
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}
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else
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{
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innerR = innerR3;
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outerR = outerR3;
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c = SUBMARK_COLOR;
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}
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mdeg = (SIXTIETH_RADIAN * i) - RIGHT_ANGLE_RADIAN;
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x = cos(mdeg);
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y = sin(mdeg);
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x0 = x * outerR + center;
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y0 = y * outerR + center;
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x1 = x * innerR + center;
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y1 = y * innerR + center;
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gfx->drawLine(x0, y0, x1, y1, c);
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}
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}
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void draw_square_clock_mark(int16_t innerR1, int16_t outerR1, int16_t innerR2, int16_t outerR2, int16_t innerR3, int16_t outerR3)
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{
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float x, y;
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int16_t x0, x1, y0, y1, innerR, outerR;
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uint16_t c;
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for (uint8_t i = 0; i < 60; i++)
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{
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if ((i % 15) == 0)
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{
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innerR = innerR1;
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outerR = outerR1;
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c = MARK_COLOR;
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}
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else if ((i % 5) == 0)
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{
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innerR = innerR2;
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outerR = outerR2;
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c = MARK_COLOR;
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}
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else
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{
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innerR = innerR3;
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outerR = outerR3;
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c = SUBMARK_COLOR;
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}
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if ((i >= 53) || (i < 8))
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{
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x = tan(SIXTIETH_RADIAN * i);
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x0 = center + (x * outerR);
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y0 = center + (1 - outerR);
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x1 = center + (x * innerR);
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y1 = center + (1 - innerR);
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}
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else if (i < 23)
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{
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y = tan((SIXTIETH_RADIAN * i) - RIGHT_ANGLE_RADIAN);
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x0 = center + (outerR);
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y0 = center + (y * outerR);
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x1 = center + (innerR);
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y1 = center + (y * innerR);
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}
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else if (i < 38)
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{
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x = tan(SIXTIETH_RADIAN * i);
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x0 = center - (x * outerR);
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y0 = center + (outerR);
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x1 = center - (x * innerR);
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y1 = center + (innerR);
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}
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else if (i < 53)
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{
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y = tan((SIXTIETH_RADIAN * i) - RIGHT_ANGLE_RADIAN);
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x0 = center + (1 - outerR);
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y0 = center - (y * outerR);
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x1 = center + (1 - innerR);
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y1 = center - (y * innerR);
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}
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gfx->drawLine(x0, y0, x1, y1, c);
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}
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}
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void redraw_hands_cached_draw_and_erase()
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{
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gfx->startWrite();
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draw_and_erase_cached_line(center, center, nsx, nsy, SECOND_COLOR, cached_points, sHandLen + 1, false, false);
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draw_and_erase_cached_line(center, center, nhx, nhy, HOUR_COLOR, cached_points + ((sHandLen + 1) * 2), hHandLen + 1, true, false);
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draw_and_erase_cached_line(center, center, nmx, nmy, MINUTE_COLOR, cached_points + ((sHandLen + 1 + hHandLen + 1) * 2), mHandLen + 1, true, true);
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gfx->endWrite();
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}
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void draw_and_erase_cached_line(int16_t x0, int16_t y0, int16_t x1, int16_t y1, int16_t color, int16_t *cache, int16_t cache_len, bool cross_check_second, bool cross_check_hour)
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{
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#if defined(ESP8266)
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yield();
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#endif
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bool steep = _diff(y1, y0) > _diff(x1, x0);
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if (steep)
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{
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_swap_int16_t(x0, y0);
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_swap_int16_t(x1, y1);
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}
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int16_t dx, dy;
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dx = _diff(x1, x0);
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dy = _diff(y1, y0);
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int16_t err = dx / 2;
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int8_t xstep = (x0 < x1) ? 1 : -1;
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int8_t ystep = (y0 < y1) ? 1 : -1;
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x1 += xstep;
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int16_t x, y, ox, oy;
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for (uint16_t i = 0; i <= dx; i++)
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{
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if (steep)
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{
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x = y0;
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y = x0;
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}
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else
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{
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x = x0;
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y = y0;
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}
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ox = *(cache + (i * 2));
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oy = *(cache + (i * 2) + 1);
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if ((x == ox) && (y == oy))
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{
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if (cross_check_second || cross_check_hour)
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{
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write_cache_pixel(x, y, color, cross_check_second, cross_check_hour);
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}
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}
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else
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{
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write_cache_pixel(x, y, color, cross_check_second, cross_check_hour);
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if ((ox > 0) || (oy > 0))
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{
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write_cache_pixel(ox, oy, BACKGROUND, cross_check_second, cross_check_hour);
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}
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*(cache + (i * 2)) = x;
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*(cache + (i * 2) + 1) = y;
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}
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if (err < dy)
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{
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y0 += ystep;
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err += dx;
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}
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err -= dy;
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x0 += xstep;
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}
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for (uint16_t i = dx + 1; i < cache_len; i++)
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{
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ox = *(cache + (i * 2));
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oy = *(cache + (i * 2) + 1);
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if ((ox > 0) || (oy > 0))
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{
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write_cache_pixel(ox, oy, BACKGROUND, cross_check_second, cross_check_hour);
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}
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*(cache + (i * 2)) = 0;
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*(cache + (i * 2) + 1) = 0;
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}
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}
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void write_cache_pixel(int16_t x, int16_t y, int16_t color, bool cross_check_second, bool cross_check_hour)
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{
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int16_t *cache = cached_points;
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if (cross_check_second)
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{
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for (uint16_t i = 0; i <= sHandLen; i++)
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{
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if ((x == *(cache++)) && (y == *(cache)))
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{
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return;
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}
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cache++;
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}
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}
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if (cross_check_hour)
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{
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cache = cached_points + ((sHandLen + 1) * 2);
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for (uint16_t i = 0; i <= hHandLen; i++)
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{
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if ((x == *(cache++)) && (y == *(cache)))
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{
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return;
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}
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cache++;
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}
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}
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gfx->writePixel(x, y, color);
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}
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