pulseIn: add alternative implementation based on micros()

pulseInLong is suitable for long pulses in interrupt context

1 files changed, 2 insertions, 0 deletions

diff --git a/cores/arduino/Arduino.h b/cores/arduino/Arduino.h
index 07bccd8..f1da68d 100644
--- a/cores/arduino/Arduino.h
+++ b/cores/arduino/Arduino.h
@@ -134,6 +134,7 @@ 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);
+unsigned long pulseInLong(uint8_t pin, uint8_t state, unsigned long timeout);
 
 void shiftOut(uint8_t dataPin, uint8_t clockPin, uint8_t bitOrder, uint8_t val);
 uint8_t shiftIn(uint8_t dataPin, uint8_t clockPin, uint8_t bitOrder);
@@ -232,6 +233,7 @@ uint16_t makeWord(byte h, byte l);
 #define word(...) makeWord(__VA_ARGS__)
 
 unsigned long pulseIn(uint8_t pin, uint8_t state, unsigned long timeout = 1000000L);
+unsigned long pulseInLong(uint8_t pin, uint8_t state, unsigned long timeout = 1000000L);
 
 void tone(uint8_t _pin, unsigned int frequency, unsigned long duration = 0);
 void noTone(uint8_t _pin);