From 5e78b645746480b22c7575601316dd2ebc55bb3d Mon Sep 17 00:00:00 2001
From: Drath <drathvader@wp.pl>
Date: Thu, 23 Oct 2025 13:05:39 +0200
Subject: [PATCH] open and close p[ort on each display loop

---
 main.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/main.cpp b/main.cpp
index ec59ed5..22be7c0 100644
--- a/main.cpp
+++ b/main.cpp
@@ -99,6 +99,7 @@ void displayThread(std::stop_token st, Sensors* s) {
     lcd.setCustomChar(0, {16, 6, 9, 8, 8, 9, 6, 0});     // celcius
     lcd.setCustomChar(1, {0, 0, 4, 10, 10, 17, 31, 0});  // delta
     lcd.setCustomChar(2, {0, 8, 21, 21, 2, 0, 0, 0});    // home (tilde)
+    lcd._close();
 
     while (!st.stop_requested()) {
         sem::display.acquire();  // holds the loop until sensor data is ready
@@ -145,8 +146,10 @@ void displayThread(std::stop_token st, Sensors* s) {
         lcd.flushBuf();
     }
 
+    lcd._open();
     lcd.clear();
     lcd.writeStr(2, 0, center("linuxSmartie closed", 40));
+    lcd._close();
 }
 
 int main(int argc, char* argv[]) {