Merge pull request #1 from digidigital/ESP8266-fix

Basic fix for issue adafruit#23
digidigital · May 25, 2017 · 6845d11 · 6845d11
2 parents 6606689 + 974d771
commit 6845d11
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/Adafruit_Thermal.cpp b/Adafruit_Thermal.cpp
@@ -66,9 +66,9 @@ void Adafruit_Thermal::timeoutSet(unsigned long x) {
 // This function waits (if necessary) for the prior task to complete.
 void Adafruit_Thermal::timeoutWait() {
   if(dtrEnabled) {
-    while(digitalRead(dtrPin) == HIGH);
+    while(digitalRead(dtrPin) == HIGH){yield();};
   } else {
-    while((long)(micros() - resumeTime) < 0L); // (syntax is rollover-proof)
+    while((long)(micros() - resumeTime) < 0L){yield();}; // (syntax is rollover-proof)
   }
 }