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lern-tracking-system
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ISR0 bugfix

subDesTagesMitExtraKaese 2 years ago
parent
248336d61e
commit
fe39407800
1 changed files with 1 additions and 1 deletions
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  1. 1 1
      arduino/src/ultrasonic.cpp

+ 1 - 1
arduino/src/ultrasonic.cpp
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@@ -3,7 +3,7 @@
 
 struct usData_t usData[2];
 
 
 void us_0_isr() {
 
-  if(digitalRead(US_RX_0_PIN) && usData[1].state == rxPending) {
 
+  if(digitalRead(US_RX_0_PIN) && usData[0].state == rxPending) {
 
     usData[0].pulseStart = TCNT1;
 
     usData[0].state = counting;
 
   } else if(usData[0].state == counting) {