From 1599185a257202bb2e6c5b63056d8beeb6b3ed6b Mon Sep 17 00:00:00 2001
From: igor <igor@kolokolnikov.dev>
Date: Wed, 5 Jul 2023 22:50:07 -0700
Subject: [PATCH] Update lcd on button click.

---
 aqi.ino | 94 +++++++++++++++++++++++++++++++++------------------------
 1 file changed, 54 insertions(+), 40 deletions(-)

diff --git a/aqi.ino b/aqi.ino
index 4d79b94..3c1f0ee 100644
--- a/aqi.ino
+++ b/aqi.ino
@@ -72,11 +72,11 @@ void setup()
 
     Wire.begin();
 
+    sen44.begin(Wire);
+
     uint16_t error;
     char errorMessage[256];
 
-    sen44.begin(Wire);
-
     error = sen44.deviceReset();
     if (error) {
         Serial.print("Error trying to execute getSerialNumber(): ");
@@ -95,17 +95,66 @@ void setup()
 
     // Clean Fan
     sen44.startFanCleaning();
+
+    // calibrate
+    lcd.setCursor(0, 0);
+    lcd.print(" calibrating...");
+
+    // allow 2 minute calibration
+    delay(120000);
+}
+
+void update_lcd()
+{
+    lcd.clear();
+
+    if (isStandardValues) {
+        lcd.setCursor(0, 0);
+        lcd.print("t:");
+        lcd.print(round(ambientTemperature));
+
+        lcd.setCursor(8, 0);
+        lcd.print("h:");
+        lcd.print(round(ambientHumidity));
+
+        lcd.setCursor(0, 1);
+        lcd.print("f:");
+        lcd.print(round(feelsLikeTemperature));
+
+        lcd.setCursor(8, 1);
+        lcd.print("v:");
+        lcd.print(vocIndex, 0);
+    } else {
+        lcd.setCursor(0, 0);
+        lcd.print(" 1:");
+        lcd.print(massConcentrationPm1p0);
+
+        lcd.setCursor(8, 0);
+        lcd.print(" 2:");
+        lcd.print(massConcentrationPm2p5);
+
+        lcd.setCursor(0, 1);
+        lcd.print(" 4:");
+        lcd.print(massConcentrationPm4p0);
+
+        lcd.setCursor(8, 1);
+        lcd.print("10:");
+        lcd.print(massConcentrationPm10p0);
+    }
 }
 
 void loop() 
 {
     currentTime = millis();
 
-    if (currentTime - buttonTime >= 500) {
+    // modes button
+    if (currentTime - buttonTime >= 100) {
         buttonTime = currentTime;
 
-        if (digitalRead(buttonPin) == LOW)
+        if (digitalRead(buttonPin) == LOW) {
             isStandardValues = !isStandardValues;
+            update_lcd();
+        }
     }
 
     // sen44
@@ -135,41 +184,6 @@ void loop()
     // Display
     if (currentTime - lcdTime >= 2000) {
         lcdTime = currentTime;
-
-        lcd.clear();
-
-        if (isStandardValues) {
-            lcd.setCursor(0, 0);
-            lcd.print("t:");
-            lcd.print(round(ambientTemperature));
-
-            lcd.setCursor(8, 0);
-            lcd.print("h:");
-            lcd.print(round(ambientHumidity));
-
-            lcd.setCursor(0, 1);
-            lcd.print("f:");
-            lcd.print(round(feelsLikeTemperature));
-
-            lcd.setCursor(8, 1);
-            lcd.print("v:");
-            lcd.print(vocIndex, 0);
-        } else {
-            lcd.setCursor(0, 0);
-            lcd.print(" 1:");
-            lcd.print(massConcentrationPm1p0);
-
-            lcd.setCursor(8, 0);
-            lcd.print(" 2:");
-            lcd.print(massConcentrationPm2p5);
-
-            lcd.setCursor(0, 1);
-            lcd.print(" 4:");
-            lcd.print(massConcentrationPm4p0);
-
-            lcd.setCursor(8, 1);
-            lcd.print("10:");
-            lcd.print(massConcentrationPm10p0);
-        }
+        update_lcd();
     }
 }