Moonrise face
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hueso
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297
movement/lib/moonrise/moonrise.c
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297
movement/lib/moonrise/moonrise.c
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// Compute times of moonrise and moonset at a specified latitude and longitude.
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//
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// This software minimizes computational work by performing the full calculation
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// of the lunar position three times, at the beginning, middle, and end of the
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// period of interest. Three point interpolation is used to predict the position
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// for each hour, and the arithmetic mean is used to predict the half-hour positions.
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//
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// The full computational burden is negligible on modern computers, but the
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// algorithm is effective and still useful for small embedded systems.
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//
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// This software was originally adapted to javascript by Stephen R. Schmitt
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// from a BASIC program from the 'Astronomical Computing' column of Sky & Telescope,
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// April 1989, page 78.
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//
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// Subsequently adapted from Stephen R. Schmitt's javascript to c++ for the Arduino
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// by Cyrus Rahman.
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//
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// Subsequently adapted from Cyrus Rahman's Arduino C++ to C for the Sensor Watch
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// by hueso, this work is subject to Stephen Schmitt's copyright:
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//
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// Copyright 2007 Stephen R. Schmitt
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// Subsequent work Copyright 2020 Cyrus Rahman
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// You may use or modify this source code in any way you find useful, provided
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// that you agree that the author(s) have no warranty, obligations or liability. You
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// must determine the suitability of this source code for your use.
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//
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// Redistributions of this source code must retain this copyright notice.
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#include <math.h>
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#include <stdbool.h>
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#include <stdlib.h>
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#include "moonrise.h"
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#define K1 15*(M_PI/180)*1.0027379
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// Determine the nearest moon rise or set event previous, and the nearest
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// moon rise or set event subsequent, to the specified time in seconds since the
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// Unix epoch (January 1, 1970) and at the specified latitude and longitude in
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// degrees.
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//
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// We look for events from MR_WINDOW/2 hours in the past to MR_WINDOW/2 hours
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// in the future.
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MoonRise MoonRise_calculate(double latitude, double longitude, time_t t) {
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MoonRise self;
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skyCoordinates moonPosition[3];
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double offsetDays;
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self.queryTime = t;
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offsetDays = julianDate(t) - 2451545L; // Days since Jan 1, 2000, 1200UTC.
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// Begin testing (MR_WINDOW / 2) hours before requested time.
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offsetDays -= (double)MR_WINDOW / (2 * 24) ;
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// Calculate coordinates at start, middle, and end of search period.
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for (int i = 0; i < 3; i++) {
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moonPosition[i] = moon(offsetDays + i * (double)MR_WINDOW / (2 * 24));
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}
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// If the RA wraps around during this period, unwrap it to keep the
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// sequence smooth for interpolation.
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if (moonPosition[1].RA <= moonPosition[0].RA)
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moonPosition[1].RA += 2 * M_PI;
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if (moonPosition[2].RA <= moonPosition[1].RA)
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moonPosition[2].RA += 2 * M_PI;
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// Initialize interpolation array.
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skyCoordinates mpWindow[3];
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mpWindow[0].RA = moonPosition[0].RA;
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mpWindow[0].declination = moonPosition[0].declination;
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mpWindow[0].distance = moonPosition[0].distance;
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for (int k = 0; k < MR_WINDOW; k++) { // Check each interval of search period
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float ph = (float)(k + 1)/MR_WINDOW;
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mpWindow[2].RA = interpolate(moonPosition[0].RA,
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moonPosition[1].RA,
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moonPosition[2].RA, ph);
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mpWindow[2].declination = interpolate(moonPosition[0].declination,
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moonPosition[1].declination,
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moonPosition[2].declination, ph);
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mpWindow[2].distance = moonPosition[2].distance;
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// Look for moonrise/set events during this interval.
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{
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double ha[3], VHz[3];
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double lSideTime;
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// Get (local_sidereal_time - MR_WINDOW / 2) hours in radians.
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lSideTime = localSiderealTime(offsetDays, longitude) * 2* M_PI / 360;
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// Calculate Hour Angle.
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ha[0] = lSideTime - mpWindow[0].RA + k*K1;
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ha[2] = lSideTime - mpWindow[2].RA + k*K1 + K1;
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// Hour Angle and declination at half hour.
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ha[1] = (ha[2] + ha[0])/2;
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mpWindow[1].declination = (mpWindow[2].declination + mpWindow[0].declination)/2;
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double s = sin(M_PI / 180 * latitude);
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double c = cos(M_PI / 180 * latitude);
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// refraction + semidiameter at horizon + distance correction
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double z = cos(M_PI / 180 * (90.567 - 41.685 / mpWindow[0].distance));
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VHz[0] = s * sin(mpWindow[0].declination) + c * cos(mpWindow[0].declination) * cos(ha[0]) - z;
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VHz[2] = s * sin(mpWindow[2].declination) + c * cos(mpWindow[2].declination) * cos(ha[2]) - z;
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if (signbit(VHz[0]) == signbit(VHz[2]))
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goto noevent; // No event this hour.
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VHz[1] = s * sin(mpWindow[1].declination) + c * cos(mpWindow[1].declination) * cos(ha[1]) - z;
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double a, b, d, e, time;
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a = 2 * VHz[2] - 4 * VHz[1] + 2 * VHz[0];
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b = 4 * VHz[1] - 3 * VHz[0] - VHz[2];
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d = b * b - 4 * a * VHz[0];
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if (d < 0)
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goto noevent; // No event this hour.
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d = sqrt(d);
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e = (-b + d) / (2 * a);
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if ((e < 0) || (e > 1))
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e = (-b - d) / (2 * a);
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time = k + e + 1 / 120; // Time since k=0 of event (in hours).
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// The time we started searching + the time from the start of the search to the
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// event is the time of the event. Add (time since k=0) - window/2 hours.
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time_t eventTime;
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eventTime = self.queryTime + (time - MR_WINDOW / 2) *60 *60;
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double hz, nz, dz, az;
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hz = ha[0] + e * (ha[2] - ha[0]); // Azimuth of the moon at the event.
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nz = -cos(mpWindow[1].declination) * sin(hz);
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dz = c * sin(mpWindow[1].declination) - s * cos(mpWindow[1].declination) * cos(hz);
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az = atan2(nz, dz) / (M_PI / 180);
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if (az < 0)
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az += 360;
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// If there is no previously recorded event of this type, save this event.
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//
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// If this event is previous to queryTime, and is the nearest event to queryTime
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// of events of its type previous to queryType, save this event, replacing the
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// previously recorded event of its type. Events subsequent to queryTime are
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// treated similarly, although since events are tested in chronological order
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// no replacements will occur as successive events will be further from
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// queryTime.
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//
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// If this event is subsequent to queryTime and there is an event of its type
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// previous to queryTime, then there is an event of the other type between the
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// two events of this event's type. If the event of the other type is
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// previous to queryTime, then it is the nearest event to queryTime that is
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// previous to queryTime. In this case save the current event, replacing
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// the previously recorded event of its type. Otherwise discard the current
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// event.
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//
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if ((VHz[0] < 0) && (VHz[2] > 0)) {
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if (!self.hasRise ||
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((self.riseTime < self.queryTime) == (eventTime < self.queryTime) &&
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llabs(self.riseTime - self.queryTime) > llabs(eventTime - self.queryTime)) ||
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((self.riseTime < self.queryTime) != (eventTime < self.queryTime) &&
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(self.hasSet &&
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(self.riseTime < self.queryTime) == (self.setTime < self.queryTime)))) {
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self.riseTime = eventTime;
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self.riseAz = az;
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self.hasRise = true;
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}
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}
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if ((VHz[0] > 0) && (VHz[2] < 0)) {
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if (!self.hasSet ||
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((self.setTime < self.queryTime) == (eventTime < self.queryTime) &&
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llabs(self.setTime - self.queryTime) > llabs(eventTime - self.queryTime)) ||
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((self.setTime < self.queryTime) != (eventTime < self.queryTime) &&
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(self.hasRise &&
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(self.setTime < self.queryTime) == (self.riseTime < self.queryTime)))) {
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self.setTime = eventTime;
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self.setAz = az;
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self.hasSet = true;
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}
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}
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noevent:
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// There are obscure cases in the polar regions that require extra logic.
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if (!self.hasRise && !self.hasSet)
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self.isVisible = !signbit(VHz[2]);
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else if (self.hasRise && !self.hasSet)
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self.isVisible = (self.queryTime > self.riseTime);
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else if (!self.hasRise && self.hasSet)
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self.isVisible = (self.queryTime < self.setTime);
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else
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self.isVisible = ((self.riseTime < self.setTime && self.riseTime < self.queryTime && self.setTime > self.queryTime) ||
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(self.riseTime > self.setTime && (self.riseTime < self.queryTime || self.setTime > self.queryTime)));
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}
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mpWindow[0] = mpWindow[2]; // Advance to next interval.
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}
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return self;
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}
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// Moon position using fundamental arguments
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// (Van Flandern & Pulkkinen, 1979)
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skyCoordinates moon(double dayOffset) {
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double l = 0.606434 + 0.03660110129 * dayOffset;
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double m = 0.374897 + 0.03629164709 * dayOffset;
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double f = 0.259091 + 0.03674819520 * dayOffset;
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double d = 0.827362 + 0.03386319198 * dayOffset;
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double n = 0.347343 - 0.00014709391 * dayOffset;
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double g = 0.993126 + 0.00273777850 * dayOffset;
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l = 2 * M_PI * (l - floor(l));
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m = 2 * M_PI * (m - floor(m));
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f = 2 * M_PI * (f - floor(f));
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d = 2 * M_PI * (d - floor(d));
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n = 2 * M_PI * (n - floor(n));
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g = 2 * M_PI * (g - floor(g));
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double v, u, w;
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v = 0.39558 * sin(f + n)
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+ 0.08200 * sin(f)
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+ 0.03257 * sin(m - f - n)
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+ 0.01092 * sin(m + f + n)
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+ 0.00666 * sin(m - f)
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- 0.00644 * sin(m + f - 2*d + n)
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- 0.00331 * sin(f - 2*d + n)
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- 0.00304 * sin(f - 2*d)
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- 0.00240 * sin(m - f - 2*d - n)
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+ 0.00226 * sin(m + f)
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- 0.00108 * sin(m + f - 2*d)
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- 0.00079 * sin(f - n)
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+ 0.00078 * sin(f + 2*d + n);
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u = 1
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- 0.10828 * cos(m)
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- 0.01880 * cos(m - 2*d)
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- 0.01479 * cos(2*d)
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+ 0.00181 * cos(2*m - 2*d)
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- 0.00147 * cos(2*m)
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- 0.00105 * cos(2*d - g)
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- 0.00075 * cos(m - 2*d + g);
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w = 0.10478 * sin(m)
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- 0.04105 * sin(2*f + 2*n)
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- 0.02130 * sin(m - 2*d)
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- 0.01779 * sin(2*f + n)
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+ 0.01774 * sin(n)
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+ 0.00987 * sin(2*d)
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- 0.00338 * sin(m - 2*f - 2*n)
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- 0.00309 * sin(g)
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- 0.00190 * sin(2*f)
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- 0.00144 * sin(m + n)
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- 0.00144 * sin(m - 2*f - n)
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- 0.00113 * sin(m + 2*f + 2*n)
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- 0.00094 * sin(m - 2*d + g)
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- 0.00092 * sin(2*m - 2*d);
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double s;
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skyCoordinates sc;
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s = w / sqrt(u - v*v);
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sc.RA = l + atan(s / sqrt(1 - s*s)); // Right ascension
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s = v / sqrt(u);
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sc.declination = atan(s / sqrt(1 - s*s)); // Declination
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sc.distance = 60.40974 * sqrt(u); // Distance
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return(sc);
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}
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// 3-point interpolation
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double interpolate(double f0, double f1, double f2, double p) {
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double a = f1 - f0;
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double b = f2 - f1 - a;
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return(f0 + p * (2*a + b * (2*p - 1)));
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}
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// Determine Julian date from Unix time.
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// Provides marginally accurate results with Arduino 4-byte double.
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double julianDate(time_t t) {
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return (t / 86400.0L + 2440587.5);
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}
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// Local Sidereal Time
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// Provides local sidereal time in degrees, requires longitude in degrees
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// and time in fractional Julian days since Jan 1, 2000, 1200UTC (e.g. the
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// Julian date - 2451545).
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// cf. USNO Astronomical Almanac and
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// https://astronomy.stackexchange.com/questions/24859/local-sidereal-time
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double localSiderealTime(double offsetDays, double longitude) {
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double lSideTime = (15.0L * (6.697374558L + 0.06570982441908L * offsetDays +
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remainder(offsetDays, 1) * 24 + 12 +
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0.000026 * (offsetDays / 36525) * (offsetDays / 36525))
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+ longitude) / 360;
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lSideTime -= floor(lSideTime);
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lSideTime *= 360; // Convert to degrees.
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return(lSideTime);
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}
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42
movement/lib/moonrise/moonrise.h
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42
movement/lib/moonrise/moonrise.h
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#ifndef MoonRise_h
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#define MoonRise_h
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#include <time.h>
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// Size of event search window in hours.
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// Events further away from the search time than MR_WINDOW/2 will not be
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// found. At higher latitudes the moon rise/set intervals become larger, so if
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// you want to find the nearest events this will need to increase. Larger
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// windows will increase interpolation error. Useful values are probably from
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// 12 - 48 but will depend upon your application.
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#define MR_WINDOW 72 // Even integer
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typedef struct {
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double RA; // Right ascension
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double declination; // Declination
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double distance; // Distance
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} skyCoordinates;
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typedef struct {
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time_t queryTime;
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time_t riseTime;
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time_t setTime;
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float riseAz;
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float setAz;
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bool hasRise;
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bool hasSet;
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bool isVisible;
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} MoonRise;
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MoonRise MoonRise_calculate(double latitude, double longitude, time_t t);
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// private:
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void testMoonRiseSet(MoonRise *self, int i, double offsetDays, double latitude, double longitude,
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skyCoordinates *mp);
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skyCoordinates moon(double dayOffset);
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double interpolate(double f0, double f1, double f2, double p);
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double julianDate(time_t t);
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double localSiderealTime(double offsetDays, double longitude);
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#endif
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@ -25,6 +25,7 @@ INCLUDES += \
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-I../lib/astrolib/ \
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-I../lib/morsecalc/ \
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-I../lib/smallchesslib/ \
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-I../lib/moonrise/ \
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# If you add any other source files you wish to compile, add them after ../app.c
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# Note that you will need to add a backslash at the end of any line you wish to continue, i.e.
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@ -40,6 +41,7 @@ SRCS += \
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../lib/TOTP/TOTP.c \
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../lib/base32/base32.c \
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../lib/sunriset/sunriset.c \
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../lib/moonrise/moonrise.c \
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../lib/vsop87/vsop87a_milli.c \
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../lib/astrolib/astrolib.c \
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../lib/morsecalc/calc.c \
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@ -149,6 +151,7 @@ SRCS += \
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../watch_faces/sensor/accel_interrupt_count_face.c \
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../watch_faces/complication/metronome_face.c \
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../watch_faces/complication/smallchess_face.c \
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../watch_faces/complication/moonrise_face.c \
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# New watch faces go above this line.
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# Leave this line at the bottom of the file; it has all the targets for making your project.
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@ -123,6 +123,7 @@
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#include "accel_interrupt_count_face.h"
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#include "metronome_face.h"
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#include "smallchess_face.h"
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#include "moonrise_face.h"
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// New includes go above this line.
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#endif // MOVEMENT_FACES_H_
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438
movement/watch_faces/complication/moonrise_face.c
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438
movement/watch_faces/complication/moonrise_face.c
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/*
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* MIT License
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*
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* Copyright (c) 2025 hueso
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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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*/
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#include <stdlib.h>
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#include <string.h>
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#include <math.h>
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#include "moonrise_face.h"
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#include "sunrise_sunset_face.h"
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#include "watch.h"
|
||||
#include "watch_utility.h"
|
||||
#include "moonrise.h"
|
||||
|
||||
#if __EMSCRIPTEN__
|
||||
#include <emscripten.h>
|
||||
#endif
|
||||
|
||||
static const uint8_t _location_count = sizeof(longLatPresets) / sizeof(long_lat_presets_t);
|
||||
|
||||
static void _moonrise_set_expiration(moonrise_state_t *state, watch_date_time next_rise_set) {
|
||||
uint32_t timestamp = watch_utility_date_time_to_unix_time(next_rise_set, 0);
|
||||
state->rise_set_expires = watch_utility_date_time_from_unix_time(timestamp + 60, 0);
|
||||
}
|
||||
|
||||
static void _moonrise_face_update(movement_settings_t *settings, moonrise_state_t *state) {
|
||||
char buf[14];
|
||||
bool show_next_match = false;
|
||||
movement_location_t movement_location;
|
||||
struct tm rise, set;
|
||||
|
||||
if (state->longLatToUse == 0 || _location_count <= 1)
|
||||
movement_location = (movement_location_t) watch_get_backup_data(1);
|
||||
else{
|
||||
movement_location.bit.latitude = longLatPresets[state->longLatToUse].latitude;
|
||||
movement_location.bit.longitude = longLatPresets[state->longLatToUse].longitude;
|
||||
}
|
||||
|
||||
if (movement_location.reg == 0) {
|
||||
watch_display_string("MR no Loc", 0);
|
||||
return;
|
||||
}
|
||||
|
||||
watch_date_time date_time = watch_rtc_get_date_time(); // the current local date / time
|
||||
watch_date_time utc_now = watch_utility_date_time_convert_zone(date_time, movement_timezone_offsets[settings->bit.time_zone] * 60, 0); // the current date / time in UTC
|
||||
watch_date_time scratch_time; // scratchpad, contains different values at different times
|
||||
scratch_time.reg = utc_now.reg;
|
||||
|
||||
|
||||
// Weird quirky unsigned things were happening when I tried to cast these directly to doubles below.
|
||||
// it looks redundant, but extracting them to local int16's seemed to fix it.
|
||||
int16_t lat_centi = (int16_t)movement_location.bit.latitude;
|
||||
int16_t lon_centi = (int16_t)movement_location.bit.longitude;
|
||||
|
||||
double lat = (double)lat_centi / 100.0;
|
||||
double lon = (double)lon_centi / 100.0;
|
||||
|
||||
for(int i = 0; i < 2; i++) {
|
||||
uint8_t result = 0;
|
||||
struct tm time_tm = {
|
||||
.tm_year = scratch_time.unit.year - 1900 + WATCH_RTC_REFERENCE_YEAR,
|
||||
.tm_mon = scratch_time.unit.month - 1, // June
|
||||
.tm_mday = scratch_time.unit.day,
|
||||
.tm_hour = scratch_time.unit.hour,
|
||||
.tm_min = scratch_time.unit.minute,
|
||||
.tm_sec = 0
|
||||
};
|
||||
time_t t = timegm(&time_tm);
|
||||
|
||||
MoonRise mr = MoonRise_calculate(lat, lon, t);
|
||||
|
||||
localtime_r(&mr.riseTime, &rise);
|
||||
localtime_r(&mr.setTime, &set);
|
||||
|
||||
if (!mr.hasRise && !mr.hasSet) {
|
||||
watch_clear_colon();
|
||||
watch_clear_indicator(WATCH_INDICATOR_PM);
|
||||
watch_clear_indicator(WATCH_INDICATOR_24H);
|
||||
sprintf(buf, "%s%2d none ", (result == 1) ? "M_" : "M^", scratch_time.unit.day);
|
||||
watch_display_string(buf, 0);
|
||||
return;
|
||||
}
|
||||
|
||||
watch_set_colon();
|
||||
if (settings->bit.clock_mode_24h && !settings->bit.clock_24h_leading_zero)
|
||||
watch_set_indicator(WATCH_INDICATOR_24H);
|
||||
|
||||
scratch_time.unit.hour = rise.tm_hour;
|
||||
scratch_time.unit.minute = rise.tm_min;
|
||||
|
||||
if (date_time.reg < scratch_time.reg) _moonrise_set_expiration(state, scratch_time);
|
||||
|
||||
if (date_time.reg < scratch_time.reg || show_next_match) {
|
||||
if (state->rise_index == 0 || show_next_match) {
|
||||
bool set_leading_zero = false;
|
||||
if (!settings->bit.clock_mode_24h) {
|
||||
if (watch_utility_convert_to_12_hour(&scratch_time)) watch_set_indicator(WATCH_INDICATOR_PM);
|
||||
else watch_clear_indicator(WATCH_INDICATOR_PM);
|
||||
} else if (settings->bit.clock_24h_leading_zero && scratch_time.unit.hour < 10) {
|
||||
set_leading_zero = true;
|
||||
}
|
||||
sprintf(buf, "M %2d%2d%02d%s", scratch_time.unit.day, scratch_time.unit.hour, scratch_time.unit.minute,longLatPresets[state->longLatToUse].name);
|
||||
watch_display_string(buf, 0);
|
||||
watch_set_pixel(0,11);
|
||||
if (set_leading_zero)
|
||||
watch_display_string("0", 4);
|
||||
return;
|
||||
} else {
|
||||
show_next_match = true;
|
||||
}
|
||||
}
|
||||
|
||||
scratch_time.unit.hour = set.tm_hour;
|
||||
scratch_time.unit.minute = set.tm_min;
|
||||
|
||||
if (date_time.reg < scratch_time.reg) _moonrise_set_expiration(state, scratch_time);
|
||||
|
||||
if (date_time.reg < scratch_time.reg || show_next_match) {
|
||||
if (state->rise_index == 0 || show_next_match) {
|
||||
bool set_leading_zero = false;
|
||||
if (!settings->bit.clock_mode_24h) {
|
||||
if (watch_utility_convert_to_12_hour(&scratch_time)) watch_set_indicator(WATCH_INDICATOR_PM);
|
||||
else watch_clear_indicator(WATCH_INDICATOR_PM);
|
||||
} else if (settings->bit.clock_24h_leading_zero && scratch_time.unit.hour < 10) {
|
||||
set_leading_zero = true;
|
||||
}
|
||||
sprintf(buf, "M %2d%2d%02d%s", scratch_time.unit.day, scratch_time.unit.hour, scratch_time.unit.minute, longLatPresets[state->longLatToUse].name);
|
||||
watch_display_string(buf, 0);
|
||||
watch_set_pixel(2,11);
|
||||
if (set_leading_zero)
|
||||
watch_display_string("0", 4);
|
||||
return;
|
||||
} else {
|
||||
show_next_match = true;
|
||||
}
|
||||
}
|
||||
// it's after sunset. we need to display sunrise/sunset for tomorrow.
|
||||
uint32_t timestamp = watch_utility_date_time_to_unix_time(utc_now, 0);
|
||||
timestamp += 86400;
|
||||
scratch_time = watch_utility_date_time_from_unix_time(timestamp, 0);
|
||||
}
|
||||
}
|
||||
|
||||
static int16_t _moonrise_face_latlon_from_struct(moonrise_lat_lon_settings_t val) {
|
||||
int16_t retval = (val.sign ? -1 : 1) *
|
||||
(
|
||||
val.hundreds * 10000 +
|
||||
val.tens * 1000 +
|
||||
val.ones * 100 +
|
||||
val.tenths * 10 +
|
||||
val.hundredths
|
||||
);
|
||||
return retval;
|
||||
}
|
||||
|
||||
static moonrise_lat_lon_settings_t _moonrise_face_struct_from_latlon(int16_t val) {
|
||||
moonrise_lat_lon_settings_t retval;
|
||||
|
||||
retval.sign = val < 0;
|
||||
val = abs(val);
|
||||
retval.hundredths = val % 10;
|
||||
val /= 10;
|
||||
retval.tenths = val % 10;
|
||||
val /= 10;
|
||||
retval.ones = val % 10;
|
||||
val /= 10;
|
||||
retval.tens = val % 10;
|
||||
val /= 10;
|
||||
retval.hundreds = val % 10;
|
||||
|
||||
return retval;
|
||||
}
|
||||
|
||||
static void _moonrise_face_update_location_register(moonrise_state_t *state) {
|
||||
if (state->location_changed) {
|
||||
movement_location_t movement_location;
|
||||
int16_t lat = _moonrise_face_latlon_from_struct(state->working_latitude);
|
||||
int16_t lon = _moonrise_face_latlon_from_struct(state->working_longitude);
|
||||
movement_location.bit.latitude = lat;
|
||||
movement_location.bit.longitude = lon;
|
||||
watch_store_backup_data(movement_location.reg, 1);
|
||||
state->location_changed = false;
|
||||
}
|
||||
}
|
||||
|
||||
static void _moonrise_face_update_settings_display(movement_event_t event, moonrise_state_t *state) {
|
||||
char buf[12];
|
||||
|
||||
switch (state->page) {
|
||||
case 0:
|
||||
return;
|
||||
case 1:
|
||||
sprintf(buf, "LA %c %04d", state->working_latitude.sign ? '-' : '+', abs(_moonrise_face_latlon_from_struct(state->working_latitude)));
|
||||
break;
|
||||
case 2:
|
||||
sprintf(buf, "LO %c%05d", state->working_longitude.sign ? '-' : '+', abs(_moonrise_face_latlon_from_struct(state->working_longitude)));
|
||||
break;
|
||||
}
|
||||
if (event.subsecond % 2) {
|
||||
buf[state->active_digit + 4] = ' ';
|
||||
}
|
||||
watch_display_string(buf, 0);
|
||||
}
|
||||
|
||||
static void _moonrise_face_advance_digit(moonrise_state_t *state) {
|
||||
state->location_changed = true;
|
||||
switch (state->page) {
|
||||
case 1: // latitude
|
||||
switch (state->active_digit) {
|
||||
case 0:
|
||||
state->working_latitude.sign++;
|
||||
break;
|
||||
case 1:
|
||||
// we skip this digit
|
||||
break;
|
||||
case 2:
|
||||
state->working_latitude.tens = (state->working_latitude.tens + 1) % 10;
|
||||
if (abs(_moonrise_face_latlon_from_struct(state->working_latitude)) > 9000) {
|
||||
// prevent latitude from going over ±90.
|
||||
// TODO: perform these checks when advancing the digit?
|
||||
state->working_latitude.ones = 0;
|
||||
state->working_latitude.tenths = 0;
|
||||
state->working_latitude.hundredths = 0;
|
||||
}
|
||||
break;
|
||||
case 3:
|
||||
state->working_latitude.ones = (state->working_latitude.ones + 1) % 10;
|
||||
if (abs(_moonrise_face_latlon_from_struct(state->working_latitude)) > 9000) state->working_latitude.ones = 0;
|
||||
break;
|
||||
case 4:
|
||||
state->working_latitude.tenths = (state->working_latitude.tenths + 1) % 10;
|
||||
if (abs(_moonrise_face_latlon_from_struct(state->working_latitude)) > 9000) state->working_latitude.tenths = 0;
|
||||
break;
|
||||
case 5:
|
||||
state->working_latitude.hundredths = (state->working_latitude.hundredths + 1) % 10;
|
||||
if (abs(_moonrise_face_latlon_from_struct(state->working_latitude)) > 9000) state->working_latitude.hundredths = 0;
|
||||
break;
|
||||
}
|
||||
break;
|
||||
case 2: // longitude
|
||||
switch (state->active_digit) {
|
||||
case 0:
|
||||
state->working_longitude.sign++;
|
||||
break;
|
||||
case 1:
|
||||
state->working_longitude.hundreds = (state->working_longitude.hundreds + 1) % 10;
|
||||
if (abs(_moonrise_face_latlon_from_struct(state->working_longitude)) > 18000) {
|
||||
// prevent longitude from going over ±180
|
||||
state->working_longitude.tens = 8;
|
||||
state->working_longitude.ones = 0;
|
||||
state->working_longitude.tenths = 0;
|
||||
state->working_longitude.hundredths = 0;
|
||||
}
|
||||
break;
|
||||
case 2:
|
||||
state->working_longitude.tens = (state->working_longitude.tens + 1) % 10;
|
||||
if (abs(_moonrise_face_latlon_from_struct(state->working_longitude)) > 18000) state->working_longitude.tens = 0;
|
||||
break;
|
||||
case 3:
|
||||
state->working_longitude.ones = (state->working_longitude.ones + 1) % 10;
|
||||
if (abs(_moonrise_face_latlon_from_struct(state->working_longitude)) > 18000) state->working_longitude.ones = 0;
|
||||
break;
|
||||
case 4:
|
||||
state->working_longitude.tenths = (state->working_longitude.tenths + 1) % 10;
|
||||
if (abs(_moonrise_face_latlon_from_struct(state->working_longitude)) > 18000) state->working_longitude.tenths = 0;
|
||||
break;
|
||||
case 5:
|
||||
state->working_longitude.hundredths = (state->working_longitude.hundredths + 1) % 10;
|
||||
if (abs(_moonrise_face_latlon_from_struct(state->working_longitude)) > 18000) state->working_longitude.hundredths = 0;
|
||||
break;
|
||||
}
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
void moonrise_face_setup(movement_settings_t *settings, uint8_t watch_face_index, void ** context_ptr) {
|
||||
(void) settings;
|
||||
(void) watch_face_index;
|
||||
if (*context_ptr == NULL) {
|
||||
*context_ptr = malloc(sizeof(moonrise_state_t));
|
||||
memset(*context_ptr, 0, sizeof(moonrise_state_t));
|
||||
}
|
||||
}
|
||||
|
||||
void moonrise_face_activate(movement_settings_t *settings, void *context) {
|
||||
(void) settings;
|
||||
if (watch_tick_animation_is_running()) watch_stop_tick_animation();
|
||||
|
||||
#if __EMSCRIPTEN__
|
||||
int16_t browser_lat = EM_ASM_INT({
|
||||
return lat;
|
||||
});
|
||||
int16_t browser_lon = EM_ASM_INT({
|
||||
return lon;
|
||||
});
|
||||
if ((watch_get_backup_data(1) == 0) && (browser_lat || browser_lon)) {
|
||||
movement_location_t browser_loc;
|
||||
browser_loc.bit.latitude = browser_lat;
|
||||
browser_loc.bit.longitude = browser_lon;
|
||||
watch_store_backup_data(browser_loc.reg, 1);
|
||||
}
|
||||
#endif
|
||||
|
||||
|
||||
moonrise_state_t *state = (moonrise_state_t *)context;
|
||||
movement_location_t movement_location = (movement_location_t) watch_get_backup_data(1);
|
||||
state->working_latitude = _moonrise_face_struct_from_latlon(movement_location.bit.latitude);
|
||||
state->working_longitude = _moonrise_face_struct_from_latlon(movement_location.bit.longitude);
|
||||
}
|
||||
|
||||
bool moonrise_face_loop(movement_event_t event, movement_settings_t *settings, void *context) {
|
||||
moonrise_state_t *state = (moonrise_state_t *)context;
|
||||
|
||||
switch (event.event_type) {
|
||||
case EVENT_ACTIVATE:
|
||||
_moonrise_face_update(settings, state);
|
||||
break;
|
||||
case EVENT_LOW_ENERGY_UPDATE:
|
||||
case EVENT_TICK:
|
||||
if (state->page == 0) {
|
||||
// if entering low energy mode, start tick animation
|
||||
if (event.event_type == EVENT_LOW_ENERGY_UPDATE && !watch_tick_animation_is_running()) watch_start_tick_animation(1000);
|
||||
// check if we need to update the display
|
||||
watch_date_time date_time = watch_rtc_get_date_time();
|
||||
if (date_time.reg >= state->rise_set_expires.reg) {
|
||||
// and on the off chance that this happened before EVENT_TIMEOUT snapped us back to rise/set 0, go back now
|
||||
state->rise_index = 0;
|
||||
_moonrise_face_update(settings, state);
|
||||
}
|
||||
} else {
|
||||
_moonrise_face_update_settings_display(event, state);
|
||||
}
|
||||
break;
|
||||
case EVENT_LIGHT_BUTTON_DOWN:
|
||||
if (state->page) {
|
||||
state->active_digit++;
|
||||
if (state->page == 1 && state->active_digit == 1) state->active_digit++; // max latitude is +- 90, no hundreds place
|
||||
if (state->active_digit > 5) {
|
||||
state->active_digit = 0;
|
||||
state->page = (state->page + 1) % 3;
|
||||
_moonrise_face_update_location_register(state);
|
||||
}
|
||||
_moonrise_face_update_settings_display(event, context);
|
||||
} else if (_location_count <= 1) {
|
||||
movement_illuminate_led();
|
||||
}
|
||||
if (state->page == 0) {
|
||||
movement_request_tick_frequency(1);
|
||||
_moonrise_face_update(settings, state);
|
||||
}
|
||||
break;
|
||||
case EVENT_LIGHT_LONG_PRESS:
|
||||
if (_location_count <= 1) break;
|
||||
else if (!state->page) movement_illuminate_led();
|
||||
break;
|
||||
case EVENT_LIGHT_BUTTON_UP:
|
||||
if (state->page == 0 && _location_count > 1) {
|
||||
state->longLatToUse = (state->longLatToUse + 1) % _location_count;
|
||||
_moonrise_face_update(settings, state);
|
||||
}
|
||||
break;
|
||||
case EVENT_ALARM_BUTTON_UP:
|
||||
if (state->page) {
|
||||
_moonrise_face_advance_digit(state);
|
||||
_moonrise_face_update_settings_display(event, context);
|
||||
} else {
|
||||
state->rise_index = (state->rise_index + 1) % 2;
|
||||
_moonrise_face_update(settings, state);
|
||||
}
|
||||
break;
|
||||
case EVENT_ALARM_LONG_PRESS:
|
||||
if (state->page == 0) {
|
||||
if (state->longLatToUse != 0) {
|
||||
state->longLatToUse = 0;
|
||||
_moonrise_face_update(settings, state);
|
||||
break;
|
||||
}
|
||||
state->page++;
|
||||
state->active_digit = 0;
|
||||
watch_clear_display();
|
||||
movement_request_tick_frequency(4);
|
||||
_moonrise_face_update_settings_display(event, context);
|
||||
}
|
||||
else {
|
||||
state->active_digit = 0;
|
||||
state->page = 0;
|
||||
_moonrise_face_update_location_register(state);
|
||||
_moonrise_face_update(settings, state);
|
||||
}
|
||||
break;
|
||||
case EVENT_TIMEOUT:
|
||||
if (watch_get_backup_data(1) == 0) {
|
||||
// if no location set, return home
|
||||
movement_move_to_face(0);
|
||||
} else if (state->page || state->rise_index) {
|
||||
// otherwise on timeout, exit settings mode and return to the next sunrise or sunset
|
||||
state->page = 0;
|
||||
state->rise_index = 0;
|
||||
movement_request_tick_frequency(1);
|
||||
_moonrise_face_update(settings, state);
|
||||
}
|
||||
break;
|
||||
default:
|
||||
return movement_default_loop_handler(event, settings);
|
||||
}
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
void moonrise_face_resign(movement_settings_t *settings, void *context) {
|
||||
(void) settings;
|
||||
moonrise_state_t *state = (moonrise_state_t *)context;
|
||||
state->page = 0;
|
||||
state->active_digit = 0;
|
||||
state->rise_index = 0;
|
||||
_moonrise_face_update_location_register(state);
|
||||
}
|
||||
90
movement/watch_faces/complication/moonrise_face.h
Normal file
90
movement/watch_faces/complication/moonrise_face.h
Normal file
@ -0,0 +1,90 @@
|
||||
/*
|
||||
* MIT License
|
||||
*
|
||||
* Copyright (c) 2022 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.
|
||||
*/
|
||||
|
||||
#ifndef MOONRISE_FACE_H_
|
||||
#define MOONRISE_FACE_H_
|
||||
|
||||
/*
|
||||
* SUNRISE & SUNSET FACE
|
||||
*
|
||||
* The Sunrise/Sunset face is designed to display the next sunrise or sunset
|
||||
* for a given location. It also functions as an interface for setting the
|
||||
* location register, which other watch faces can use for various purposes.
|
||||
*
|
||||
* Refer to the wiki for usage instructions:
|
||||
* https://www.sensorwatch.net/docs/watchfaces/complication/#sunrisesunset
|
||||
*/
|
||||
|
||||
#include "movement.h"
|
||||
|
||||
typedef struct {
|
||||
uint8_t sign: 1; // 0-1
|
||||
uint8_t hundreds: 1; // 0-1, ignored for latitude
|
||||
uint8_t tens: 4; // 0-9 (must wrap at 10)
|
||||
uint8_t ones: 4; // 0-9 (must wrap at 10)
|
||||
uint8_t tenths: 4; // 0-9 (must wrap at 10)
|
||||
uint8_t hundredths: 4; // 0-9 (must wrap at 10)
|
||||
} moonrise_lat_lon_settings_t;
|
||||
|
||||
typedef struct {
|
||||
uint8_t page;
|
||||
uint8_t rise_index;
|
||||
uint8_t active_digit;
|
||||
bool location_changed;
|
||||
watch_date_time rise_set_expires;
|
||||
moonrise_lat_lon_settings_t working_latitude;
|
||||
moonrise_lat_lon_settings_t working_longitude;
|
||||
uint8_t longLatToUse;
|
||||
} moonrise_state_t;
|
||||
|
||||
void moonrise_face_setup(movement_settings_t *settings, uint8_t watch_face_index, void ** context_ptr);
|
||||
void moonrise_face_activate(movement_settings_t *settings, void *context);
|
||||
bool moonrise_face_loop(movement_event_t event, movement_settings_t *settings, void *context);
|
||||
void moonrise_face_resign(movement_settings_t *settings, void *context);
|
||||
|
||||
#define moonrise_face ((const watch_face_t){ \
|
||||
moonrise_face_setup, \
|
||||
moonrise_face_activate, \
|
||||
moonrise_face_loop, \
|
||||
moonrise_face_resign, \
|
||||
NULL, \
|
||||
})
|
||||
|
||||
/*
|
||||
typedef struct {
|
||||
char name[2];
|
||||
int16_t latitude;
|
||||
int16_t longitude;
|
||||
} long_lat_presets_t;
|
||||
|
||||
|
||||
static const long_lat_presets_t longLatPresets[] =
|
||||
{
|
||||
{ .name = " "}, // Default, the long and lat get replaced by what's set in the watch
|
||||
// { .name = "Ny", .latitude = 4072, .longitude = -7401 }, // New York City, NY
|
||||
// { .name = "LA", .latitude = 3405, .longitude = -11824 }, // Los Angeles, CA
|
||||
// { .name = "dE", .latitude = 4221, .longitude = -8305 }, // Detroit, MI
|
||||
};
|
||||
*/
|
||||
#endif // MOONRISE_FACE_H_
|
||||
Loading…
x
Reference in New Issue
Block a user