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watchy_romantime.cpp
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watchy_romantime.cpp
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#include "watchy_romantime.h"
RTC_DATA_ATTR int showState = 0;
void WatchyRomantime::drawWatchFace() {
sun.setPosition(settings.lat.toFloat(), settings.lon.toFloat(), settings.gmtOffset / 3600);
//from minutes past midnight
sun.setCurrentDate(tmYearToCalendar(currentTime.Year), currentTime.Month, currentTime.Day);
sun.setTZOffset(settings.gmtOffset / 3600);
minutesSunrise = sun.calcSunrise();
minutesSunset = sun.calcSunset();
minutesDaytime = (minutesSunset - minutesSunrise);
minutesNighttime = (1440 - minutesDaytime);
minutesBeforeSunset = minutesSunset - (currentTime.Hour * 60 + currentTime.Minute); // i.e.zero degrees
fillColor = GxEPD_WHITE;
detailColor = GxEPD_BLACK;
hourAngle = 0.0;
drawWatchFaceDecider();
}
void WatchyRomantime::drawWatchFaceModeMoon(){
int16_t x_center, y_center;
uint16_t w_center, h_center;
display.fillScreen(GxEPD_BLACK);
display.setFont(&FreeSansBold12pt7b);
display.setTextColor(GxEPD_WHITE);
long long unix_time = makeTime(currentTime) + settings.gmtOffset;
int moonphase = sun.moonPhase(unix_time);
display.setFont(&MoonPhases20pt7b);
display.setCursor(90, 110);
display.print((char)(moonphase+0x50));
}
void WatchyRomantime::drawWatchFaceModeNight(){
display.fillScreen(fillColor);
display.fillRect(0, 0, 200, 10, detailColor);
for(int16_t i = 13; i <= 23; i++) {
display.drawLine(
100,
10,
100 + 200 * cos(i * 15 * DEG2RAD),
10 + 200 * sin(i * 15 * DEG2RAD),
fillColor
);
}
for(int16_t i = 1; i < 12; i++) {
display.drawLine(
100,
10,
100 + 200 * cos(i * 15 * DEG2RAD),
10 + 200 * sin(i * 15 * DEG2RAD),
detailColor
);
}
display.drawRect(0, 0, 200, 200, GxEPD_BLACK);
char numerals[12][6] = { "I","II","III","IV","V","VI","VII","VIII","IX","X","XI","XII" };
display.setFont(&FreeSansBold12pt7b);
display.setTextColor(detailColor);
int16_t x_center, y_center;
uint16_t w_center, h_center;
//just hardcode text positions. squaring circles doesn't have much benefit.
display.getTextBounds(numerals[0], 100, 100, &x_center, &y_center, &w_center, &h_center);
display.setCursor(18 - w_center / 2, 28);
display.println(numerals[0]);
display.getTextBounds(numerals[1], 100, 100, &x_center, &y_center, &w_center, &h_center);
display.setCursor(18 - w_center / 2, 53);
display.println(numerals[1]);
display.getTextBounds(numerals[2], 100, 100, &x_center, &y_center, &w_center, &h_center);
display.setCursor(18 - w_center / 2, 83);
display.println(numerals[2]);
display.getTextBounds(numerals[3], 100, 100, &x_center, &y_center, &w_center, &h_center);
display.setCursor(18 - w_center / 2, 130);
display.println(numerals[3]);
display.getTextBounds(numerals[4], 100, 100, &x_center, &y_center, &w_center, &h_center);
display.setCursor(30 - w_center / 2, 190);
display.println(numerals[4]);
display.getTextBounds(numerals[5], 100, 100, &x_center, &y_center, &w_center, &h_center);
display.setCursor(78 - w_center / 2, 190);
display.println(numerals[5]);
display.getTextBounds(numerals[6], 100, 100, &x_center, &y_center, &w_center, &h_center);
display.setCursor(122 - w_center / 2, 190);
display.println(numerals[6]);
display.getTextBounds(numerals[7], 100, 100, &x_center, &y_center, &w_center, &h_center);
display.setCursor(170 - w_center / 2, 190);
display.println(numerals[7]);
display.getTextBounds(numerals[8], 100, 100, &x_center, &y_center, &w_center, &h_center);
display.setCursor(182 - w_center / 2, 130);
display.println(numerals[8]);
display.getTextBounds(numerals[9], 100, 100, &x_center, &y_center, &w_center, &h_center);
display.setCursor(182 - w_center / 2, 83);
display.println(numerals[9]);
display.getTextBounds(numerals[10], 100, 100, &x_center, &y_center, &w_center, &h_center);
display.setCursor(182 - w_center / 2, 53);
display.println(numerals[10]);
display.getTextBounds(numerals[11], 100, 100, &x_center, &y_center, &w_center, &h_center);
display.setCursor(182 - w_center / 2, 28);
display.println(numerals[11]);
// hour hand black outline
display.fillTriangle(
100 + 50 * cos(( hourAngle ) * DEG2RAD),
10 + 80 * sin(( hourAngle ) * DEG2RAD),
100 + 6 * cos(( hourAngle + 90 + 0 ) * DEG2RAD),
10 + 6 * sin(( hourAngle + 90 + 0 ) * DEG2RAD),
100 + 6 * cos(( hourAngle - 90 + 0 ) * DEG2RAD),
10 + 6 * sin(( hourAngle - 90 + 0 ) * DEG2RAD),
detailColor
);
// hour hand white outline
display.fillTriangle(
100 + 40 * cos(( hourAngle ) * DEG2RAD),
10 + 64 * sin(( hourAngle ) * DEG2RAD),
100 + 3 * cos(( hourAngle + 90 + 0 ) * DEG2RAD),
10 + 3 * sin(( hourAngle + 90 + 0 ) * DEG2RAD),
100 + 3 * cos(( hourAngle - 90 + 0 ) * DEG2RAD),
10 + 3 * sin(( hourAngle - 90 + 0 ) * DEG2RAD),
fillColor
);
}
void WatchyRomantime::drawWatchFaceModeModern(){
int16_t x_center, y_center;
uint16_t w_center, h_center;
display.fillScreen(fillColor);
display.setFont(&FreeSansBold12pt7b);
display.setTextColor(detailColor);
char h[8];
char m[8];
char time_buffer[16];
integerToRoman(currentTime.Hour == 0 ? 24 : currentTime.Hour, h);
integerToRoman(currentTime.Minute == 0 ? 60 : currentTime.Minute, m);
sprintf(time_buffer, "%s:%s\0", h, m);
display.getTextBounds(time_buffer, 0, 100, &x_center, &y_center, &w_center, &h_center);
display.setCursor(100 - w_center / 2, 100 - h_center / 2);
display.println(time_buffer);
}
void WatchyRomantime::drawWatchFaceDecider(){
if(minutesBeforeSunset > minutesDaytime) {
hourAngle = 180.0 * (minutesBeforeSunset - minutesDaytime) / minutesNighttime;
detailColor = GxEPD_WHITE;
switch(showState) {
case 1:
drawWatchFaceModeNight();
break;
case 2:
drawWatchFaceModeModern();
break;
default:
drawWatchFaceModeMoon();
}
}
else if(minutesBeforeSunset > 0 ) {
hourAngle = 180.0 * minutesBeforeSunset / minutesDaytime;
switch(showState) {
case 1:
drawWatchFaceModeNight();
break;
case 2:
drawWatchFaceModeModern();
break;
default:
drawWatchFaceModeNight();
}
}
else {
hourAngle = 180 + 180.0 * minutesBeforeSunset / minutesNighttime;
fillColor = GxEPD_BLACK;
detailColor = GxEPD_WHITE;
switch(showState) {
case 1:
drawWatchFaceModeNight();
break;
case 2:
drawWatchFaceModeModern();
break;
default:
drawWatchFaceModeMoon();
}
}
}
void WatchyRomantime::integerToRoman(int num, char *result) {
int values[] = {1000, 900, 500, 400, 100, 90, 50, 40, 10, 9, 5, 4, 1};
char *symbols[] = {"M", "CM", "D", "CD", "C", "XC", "L", "XL", "X", "IX", "V", "IV", "I"};
int pos = 0; // Position in the result array
for (int i = 0; i < 13; i++) {
while (num >= values[i]) {
for (int j = 0; symbols[i][j] != '\0'; j++, pos++) {
result[pos] = symbols[i][j];
}
num -= values[i];
}
}
result[pos] = '\0'; // Null-terminate the string
}
/*
* If Up or down are pressed, change the mode
*/
void WatchyRomantime::handleButtonPress() {
if (guiState == WATCHFACE_STATE) {
uint64_t wakeupBit = esp_sleep_get_ext1_wakeup_status();
if (wakeupBit & UP_BTN_MASK) {
showState--;
if(showState == -1) showState = 2;
RTC.read(currentTime);
showWatchFace(true);
}
if (wakeupBit & DOWN_BTN_MASK) {
showState++;
if(showState == 3) showState = 0;
RTC.read(currentTime);
showWatchFace(true);
}
if (wakeupBit & MENU_BTN_MASK) {
Watchy::handleButtonPress();
return;
}
}
else {
Watchy::handleButtonPress();
}
return;
}