From 5bf3870869567a9c4c0ddfa2fb3331bccad32434 Mon Sep 17 00:00:00 2001
From: Dejvino <dejvino@gmail.com>
Date: Thu, 12 Feb 2026 21:25:53 +0100
Subject: [PATCH] fix display

---
 esp32_MachineNotify.ino | 21 ++++++++++++++-------
 1 file changed, 14 insertions(+), 7 deletions(-)

diff --git a/esp32_MachineNotify.ino b/esp32_MachineNotify.ino
index b4343de..532cd0b 100644
--- a/esp32_MachineNotify.ino
+++ b/esp32_MachineNotify.ino
@@ -34,7 +34,7 @@ const int VIBRATION_PIN = 4;
 
 // OLED display settings
 #define SCREEN_WIDTH 128
-#define SCREEN_HEIGHT 64
+#define SCREEN_HEIGHT 32
 #define OLED_RESET -1 // Reset pin # (or -1 if sharing Arduino reset pin)
 #define SCREEN_ADDRESS 0x3C
 #ifdef ENABLE_DISPLAY
@@ -67,7 +67,9 @@ unsigned long lightLowStartTime = 0;
 String displayData[4];
 int currentDisplayLine = 0;
 unsigned long lastDisplayScrollTime = 0;
-const unsigned long DISPLAY_SCROLL_INTERVAL = 1000; // 1000 = 1 second
+const unsigned long DISPLAY_SCROLL_INTERVAL = 2000; // 1000 = 1 second
+const int displayTextLines = 5;
+int displayDataLines = displayTextLines;
 #endif
 
 // Notification queue
@@ -76,7 +78,8 @@ String queuedTitle = "";
 String queuedPriority = "";
 
 void setup() {
-  Serial.begin(115200);
+  Serial.begin(9600);
+  Serial.println("Setup started.");
 
   #if defined(ENABLE_SENSORS) || defined(ENABLE_DISPLAY)
   Wire.begin();
@@ -129,6 +132,9 @@ void setup() {
   display.display();
   delay(1000);
   #endif
+
+
+  Serial.println("Setup finished.");
 }
 
 bool sendNotification(String message, String title, String priority);
@@ -242,6 +248,7 @@ void loop() {
   displayData[1] = "Light: " + String(currentLightLevel) + " lx";
   displayData[2] = "Light Active: " + String(isLightActive ? "ON" : "OFF");
   displayData[3] = "Device: " + String(isDeviceActive ? "ACTIVE" : "INACTIVE");
+  displayDataLines = 4;
 
   // Update display
   updateDisplay();
@@ -285,9 +292,9 @@ void updateDisplay() {
   unsigned long currentTime = millis();
 
   // Scroll logic
-  if (currentTime - lastDisplayScrollTime > DISPLAY_SCROLL_INTERVAL) {
+  if ((displayDataLines > displayTextLines) && (currentTime - lastDisplayScrollTime > DISPLAY_SCROLL_INTERVAL)) {
     lastDisplayScrollTime = currentTime;
-    currentDisplayLine = (currentDisplayLine + 1) % 4;
+    currentDisplayLine = (currentDisplayLine + 1) % displayDataLines;
   }
 
   display.clearDisplay();
@@ -295,8 +302,8 @@ void updateDisplay() {
   display.setTextColor(WHITE);
   display.setCursor(0, 0);
 
-  for (int i = 0; i < 4; i++) {
-    int lineIndex = (currentDisplayLine + i) % 4;
+  for (int i = 0; i < displayDataLines; i++) {
+    int lineIndex = (currentDisplayLine + i) % displayDataLines;
     display.println(displayData[lineIndex]);
   }