Add 12h/AM-PM clock format for Imperial units, add miles to distance display
The header clock now shows 12-hour time with AM/PM when Imperial units are selected (Menu > Units), instead of always using 24-hour format - the clock-clear region was widened from 50px to 80px to fully erase the longer "12:59PM"-style text. The aircraft detail panel's distance line now also shows miles alongside km and nautical miles (e.g. "12km / 6nm / 7mi"), since nm alone wasn't self-explanatory for lay users from Imperial-unit countries. Also fixes the radar screen's range button, which still always showed a fixed "km" label regardless of the Metric/Imperial setting - it now shows mi (converted) when Imperial is selected, matching the pattern already used by the altitude legend. Refreshes firmware.bin to match this build. Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
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BIN
firmware.bin
BIN
firmware.bin
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19
src/main.cpp
19
src/main.cpp
@@ -320,7 +320,12 @@ void updateStatusLine() {
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// NUR unter der Uhrzeit einen hoeheren Bereich loeschen - nicht die
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// ganze Zeile, sonst wuerde das jede Sekunde in den Menu-Button
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// hineinschneiden, der bis y=25 reicht.
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constexpr int16_t CLOCK_CLEAR_W = 50;
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// Auf 80px verbreitert (vorher 50) - das 12h-Format mit AM/PM (siehe
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// unten) ist mit bis zu 7 Zeichen ("12:59PM") laenger als das feste
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// 5-Zeichen-24h-Format ("23:12") und wurde sonst nicht vollstaendig
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// geloescht (Ziffernreste blieben stehen). Der Bereich rechts daneben
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// war hier ohnehin leer, daher unkritisch.
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constexpr int16_t CLOCK_CLEAR_W = 80;
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constexpr int16_t CLOCK_CLEAR_TOP = HEADER_TITLE_H - 10;
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tft.fillRect(0, CLOCK_CLEAR_TOP, CLOCK_CLEAR_W, CONTENT_TOP - CLOCK_CLEAR_TOP, TFT_BLACK);
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tft.fillRect(CLOCK_CLEAR_W, HEADER_TITLE_H, Config::SCREEN_WIDTH - CLOCK_CLEAR_W, STATUS_LINE_H, TFT_BLACK);
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@@ -330,8 +335,18 @@ void updateStatusLine() {
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if (now > 8 * 3600 * 2) {
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struct tm tmNow;
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localtime_r(&now, &tmNow);
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char timeBuf[6];
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char timeBuf[9];
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// 12h mit AM/PM bei Imperial (in den USA ueblich), 24h bei
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// Metrisch - dieselbe Einheiten-Einstellung (Menue > Einheiten),
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// die sonst Distanz/Hoehe steuert. Vorher immer fest 24h.
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if (LocationManager::useMetricUnits()) {
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snprintf(timeBuf, sizeof(timeBuf), "%02d:%02d", tmNow.tm_hour, tmNow.tm_min);
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} else {
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int hour12 = tmNow.tm_hour % 12;
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if (hour12 == 0) hour12 = 12;
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snprintf(timeBuf, sizeof(timeBuf), "%d:%02d%s", hour12, tmNow.tm_min,
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tmNow.tm_hour < 12 ? "AM" : "PM");
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}
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tft.setCursor(6, HEADER_TITLE_H + 2);
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tft.print(timeBuf);
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}
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@@ -541,8 +541,14 @@ namespace {
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updateLine(gfx, y, LINE_H, textMaxWidth, TFT_GREEN, lastPanel.climbText, climbLine, forceFull);
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y += LINE_H;
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snprintf(buf, sizeof(buf), "%s%.0fkm / %.0fnm %s%.0f", I18n::t(StringId::DETAIL_DIST),
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a.distanceKm, Units::kmToNm(a.distanceKm), I18n::t(StringId::DETAIL_HDG), a.headingDeg);
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// Zusaetzlich zu km/nm auch Meilen (mi) - nm allein war fuer
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// Laien-Nutzer aus Ländern mit imperialen Einheiten (v.a. USA)
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// nicht selbsterklaerend, "Meilen" sind dort die gebraeuchlichere
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// Alltags-Distanzeinheit (nm bleibt trotzdem stehen, da es zur
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// Geschwindigkeit in kt passt: 1 kt = 1 nm/h).
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snprintf(buf, sizeof(buf), "%s%.0fkm / %.0fnm / %.0fmi %s%.0f", I18n::t(StringId::DETAIL_DIST),
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a.distanceKm, Units::kmToNm(a.distanceKm), Units::kmToMi(a.distanceKm),
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I18n::t(StringId::DETAIL_HDG), a.headingDeg);
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updateLine(gfx, y, LINE_H, textMaxWidth, TFT_GREEN, lastPanel.distHeadingText, String(buf), forceFull);
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y += LINE_H;
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@@ -750,7 +756,14 @@ void render(TFT_eSPI& tft, int16_t top) {
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drawInfoMarquee(tft, INFO_TEXT_X, infoTextY, infoTextW);
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char rangeLabel[8];
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// Zeigt km bei Metrisch, mi bei Imperial (Menue > Einheiten) -
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// gleiches Muster wie drawLegend() weiter oben, statt fest immer
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// km anzuzeigen.
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if (LocationManager::useMetricUnits()) {
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snprintf(rangeLabel, sizeof(rangeLabel), "%.0fkm", rangeKm);
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} else {
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snprintf(rangeLabel, sizeof(rangeLabel), "%.0fmi", Units::kmToMi(rangeKm));
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}
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drawButton(tft, L.rangeBtn, rangeLabel);
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drawLegend(tft, infoTop + 44);
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@@ -9,8 +9,14 @@ namespace Units {
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constexpr float FT_TO_M = 0.3048f;
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constexpr float KT_TO_KMH = 1.852f;
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constexpr float KM_TO_NM = 1.0f / 1.852f;
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constexpr float KM_TO_MI = 0.621371f;
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inline float feetToMeters(float ft) { return ft * FT_TO_M; }
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inline float ktToKmh(float kt) { return kt * KT_TO_KMH; }
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inline float kmToNm(float km) { return km * KM_TO_NM; }
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// Statute miles (not nautical miles) - added alongside km/nm in the
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// aircraft detail panel so a lay US user sees a distance they
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// recognize, while nm stays for consistency with the kt speed unit
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// (1 kt = 1 nm/h).
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inline float kmToMi(float km) { return km * KM_TO_MI; }
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}
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