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55 lines
1.8 KiB
55 lines
1.8 KiB
#ifndef __SONNE_H
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#define __SONNE_H
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#include "Settings.h"
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#include "Debug.h"
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long SunDown, SunUp;
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void calcSunUpDown (time_t date) {
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//SunUpDown res = new SunUpDown();
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boolean isSummerTime = false; // TODO TimeZone.getDefault().inDaylightTime(new Date(date));
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//- Bogenmass
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double brad = geoBreite / 180.0 * PI;
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// - Höhe Sonne -50 Bogenmin.
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double h0 = -50.0 / 60.0 / 180.0 * PI;
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//- Deklination dek, Tag des Jahres d0
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int tage = 30 * month(date) - 30 + day(date);
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double dek = 0.40954 * sin (0.0172 * (tage - 79.35));
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double zh1 = sin (h0) - sin (brad) * sin(dek);
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double zh2 = cos(brad) * cos(dek);
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double zd = 12*acos (zh1/zh2) / PI;
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double zgl = -0.1752 * sin (0.03343 * tage + 0.5474) - 0.134 * sin (0.018234 * tage - 0.1939);
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//-Sonnenuntergang
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double tsu = 12 + zd - zgl;
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double su = (tsu + (15.0 - geoLaenge) / 15.0);
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int std = (int)su;
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int minute = (int) ((su - std)*60);
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if (isSummerTime) std++;
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SunDown = (100*std + minute) * 100;
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//- Sonnenaufgang
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double tsa = 12 - zd - zgl;
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double sa = (tsa + (15.0 - geoLaenge) /15.0);
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std = (int) sa;
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minute = (int) ((sa - std)*60);
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if (isSummerTime) std++;
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SunUp = (100*std + minute) * 100;
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DEBUG_OUT.print(F("Sonnenaufgang :")); DEBUG_OUT.println(SunUp);
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DEBUG_OUT.print(F("Sonnenuntergang:")); DEBUG_OUT.println(SunDown);
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}
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boolean isDayTime() {
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//-----------------
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// 900 = 15 Minuten, vor Sonnenaufgang und nach -untergang
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const int offset=60*15;
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time_t no = getNow();
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long jetztMinuteU = (100 * hour(no+offset) + minute(no+offset)) * 100;
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long jetztMinuteO = (100 * hour(no-offset) + minute(no-offset)) * 100;
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return ((jetztMinuteU >= SunUp) &&(jetztMinuteO <= SunDown));
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}
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#endif
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