81 lines
2.0 KiB
Arduino
81 lines
2.0 KiB
Arduino
#include <Arduino.h>
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#include <Wire.h>
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#include "config.h"
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#include "sensors.h"
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#include "rtc_time.h"
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#include "display_ui.h"
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#include "forecast.h"
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#include "history.h"
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#include "app_settings.h"
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#include "state.h"
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AppState g_state;
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static unsigned long tSample = 0;
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static unsigned long tHistory = 0;
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static unsigned long tFlush = 0;
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static void sampleNow() {
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g_state.now = rtcNow();
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g_state.absHpa = readAbsPressureHpa();
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g_state.mslHpa = toSeaLevelHpa(g_state.absHpa, settings.altitudeM);
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g_state.tempC = readTemperatureC();
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float d;
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g_state.haveTrend = historyTrendDelta(d);
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if (g_state.haveTrend) {
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g_state.trend = classifyTrend(d);
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g_state.forecast = computeForecast(g_state.mslHpa, g_state.trend, g_state.now.month);
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} else {
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g_state.trend = TREND_STEADY;
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}
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}
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void setup() {
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Serial.begin(115200);
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delay(200);
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Serial.println(F("\n=== Weather Predictor ==="));
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Wire.begin(I2C_SDA, I2C_SCL);
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displayBegin();
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displaySplash("Weather", "Predictor");
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if (!sensorsBegin()) Serial.println(F("BMP180 not found!"));
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if (!rtcBegin()) Serial.println(F("DS3231 not found!"));
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if (rtcLostPower()) {
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Serial.println(F("RTC lost power -> temporary time set"));
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rtcSet(RtcTime{2026, 7, 17, 12, 0, 0});
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}
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settingsBegin();
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historyBegin();
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historyLoad(); // restore prior samples (empty on first ever boot)
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Serial.printf("history restored: %d samples\n", historyCount());
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// Seed first sample immediately.
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sampleNow();
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historyAdd(rtcEpoch(), g_state.mslHpa, g_state.tempC);
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displayRender(g_state);
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tSample = tHistory = tFlush = millis();
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}
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void loop() {
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unsigned long now = millis();
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if (now - tSample >= SAMPLE_INTERVAL_MS) {
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tSample = now;
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sampleNow();
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displayRender(g_state);
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}
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if (now - tHistory >= HISTORY_INTERVAL_MS) {
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tHistory = now;
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historyAdd(rtcEpoch(), g_state.mslHpa, g_state.tempC);
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}
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if (now - tFlush >= FLUSH_INTERVAL_MS) {
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tFlush = now;
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historySave();
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Serial.printf("history flushed: %d samples\n", historyCount());
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}
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}
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