From fe93d9eff6d7a03c28a3d863defe79b92ca84e78 Mon Sep 17 00:00:00 2001
From: Fisch <interfisch@gmx.net>
Date: Thu, 27 Jun 2024 20:39:12 +0200
Subject: [PATCH] make temperature request async

---
 include/temperature.h | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/include/temperature.h b/include/temperature.h
index 543d748..4b50be8 100644
--- a/include/temperature.h
+++ b/include/temperature.h
@@ -113,9 +113,12 @@ void temperature_loop(unsigned long loopmillis) {
       Serial.println("Warn: Request Temperatures Timeout!");
       publishInfo("error/temperature","Warn: Request Temperatures Timeout!");
       flag_requestTemperatures=false;
+      last_read_ds18b20=loopmillis;
     }
     if (!flag_requestTemperatures) {
-      sensors.requestTemperatures(); //this takes ~600ms
+      sensors.setWaitForConversion(false); //make async
+      sensors.requestTemperatures(); //this takes ~600ms in non async mode. about 2ms in async mode
+      sensors.setWaitForConversion(true);
       flag_requestTemperatures=true;
     }
     if (sensors.isConversionComplete()) {