skully.cpp

#include "skully.h"

void Skully::drawWatchFace() {
    display.fillScreen(GxEPD_BLACK);
    display.drawBitmap(0, 0, pirate, 200, 200, GxEPD_WHITE);
    drawTime();
    drawWDay();
    drawDate();
    drawSteps();
    drawBattery();
  //drawTemperature();

    for (uint8_t i=0; i<3; i++) {
        // Reduce ghosting
        display.display(true);
    }
}

void Skully::drawTime() {
    display.setFont(&GorgeousPixel30pt7b);
    display.setTextColor(GxEPD_WHITE);

    int16_t  xh1, yh1;
    uint16_t wh1, hh1;
    int16_t  xh2, yh2;
    uint16_t wh2, hh2;
    int16_t  xm1, ym1;
    uint16_t wm1, hm1;
    int16_t  xm2, ym2;
    uint16_t wm2, hm2;

    String h = String(currentTime.Hour);
    String m = String(currentTime.Minute);
    String h1 = String(h.substring(0,1));
    String h2 = String(h.substring(1,2));
    String m1 = String(m.substring(0,1));
    String m2 = String(m.substring(1,2));

    display.getTextBounds(String(h1), 0, 0, &xh1, &yh1, &wh1, &hh1);
    display.getTextBounds(String(h2), 0, 0, &xh2, &yh2, &wh2, &hh2);
    display.getTextBounds(String(m1), 0, 0, &xm1, &ym1, &wm1, &hm1);
    display.getTextBounds(String(m2), 0, 0, &xm2, &ym2, &wm2, &hm2);
    display.setCursor(142 - wh1/2, 144);

    if (currentTime.Hour < 10) {
        display.print("0");
        display.setCursor(174 - wh1/2, 144);
        display.print(String(h1));
    } else {
        display.print(String(h1));
        display.setCursor(174 - wh2/2, 144);
        display.print(String(h2));
    }

    display.setCursor(142 - wm1/2, 192);

    if (currentTime.Minute < 10) {
        display.print("0");
        display.setCursor(174 - wm1/2, 192);
        display.print(String(m1));
    } else {
        display.print(String(m1));
        display.setCursor(174 - wm2/2, 192);
        display.print(String(m2));
    }
}

void Skully::drawWDay() {
    display.setFont(&GorgeousPixel11pt7b);
    display.setTextColor(GxEPD_BLACK);

    int16_t  x1, y1;
    uint16_t w, h;
    String dayOfWeek = dayShortStr(currentTime.Wday);
    dayOfWeek.toUpperCase();

    display.getTextBounds(String(dayOfWeek), 0, 0, &x1, &y1, &w, &h);
    display.fillRect(186 - w, 50, w + 8, h + 5, GxEPD_WHITE);
    display.setCursor(189 - w, 68);
    display.println(String(dayOfWeek));
}

void Skully::drawDate() {
    display.setFont(&GorgeousPixel9pt7b);
    display.setTextColor(GxEPD_WHITE);
    display.setCursor(4, 195);

    String monthStr = String(currentTime.Month);
    String dayStr = String(currentTime.Day);
    monthStr = currentTime.Month < 10 ? "0" + monthStr : monthStr;
    dayStr = currentTime.Day < 10 ? "0" + dayStr : dayStr;
    String dateStr = dayStr + "." + monthStr;
    display.print(String(dateStr));
}

void Skully::drawSteps() {
    display.setFont(&GorgeousPixel9pt7b);
    display.setTextColor(GxEPD_WHITE);
    int16_t  x1, y1;
    uint16_t w, h;

    if (currentTime.Hour == 23 && currentTime.Minute == 59) {
        sensor.resetStepCounter();
    }

    uint32_t stepCount = sensor.getCounter();
    char stepStr[32];
    itoa(stepCount, stepStr, 10);
    int stepStrL = strlen(stepStr);
    memset(stepStr, '0', 5);
    itoa(stepCount, stepStr + max(5-stepStrL, 0), 10);

    display.getTextBounds(String(stepStr), 0, 0, &x1, &y1, &w, &h);
    display.drawRect(186 - w, 71, w + 8, h + 8, GxEPD_WHITE);
    display.setCursor(189 - w, 87);
    display.println(stepStr);
}

void Skully::drawBattery() {
    float BATTV = getBatteryVoltage() - 3.60;
    int batt_w = constrain(((33.33 * BATTV) + 0.9), 0, 20);
    display.fillRect(166, 5, 28, 12, GxEPD_WHITE);
    display.fillRect(163, 9, 3, 4, GxEPD_WHITE);
    display.fillRect(168, 7, 24, 8, GxEPD_BLACK);

    if (BATTV > 0) {
        display.fillRect(190 - batt_w, 9, batt_w, 4, GxEPD_WHITE);
    }
}

void Skully::drawTemperature() {
    display.setFont(&GorgeousPixel8pt7b);
    display.setTextColor(GxEPD_WHITE);
    display.setCursor(4, 179);
    uint8_t temperatureRTC = RTC.temperature() / 4;
    if (settings.weatherUnit == "imperial") {
        temperatureRTC = temperatureRTC * (9/5) + 32;
    }

    if (temperatureRTC < 10) {
        display.print("0");
    }

    display.print(temperatureRTC);

    if (settings.weatherUnit == "imperial") {
        display.print("f");
    } else {
        display.print("c");
    }
}