1 files changed, 1 insertions, 0 deletions
diff --git a/cores/arduino/wiring.h b/cores/arduino/wiring.h
index 46d5334..9600a0f 100755
--- a/cores/arduino/wiring.h
+++ b/cores/arduino/wiring.h
@@ -113,6 +113,7 @@ int serialRead(void);
 void serialFlush(void);
 
 unsigned long millis(void);
+unsigned long micros(void);
 void delay(unsigned long);
 void delayMicroseconds(unsigned int us);
 unsigned long pulseIn(uint8_t pin, uint8_t state, unsigned long timeout);