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authorPerry Hung <iperry@gmail.com>2011-01-24 23:23:29 -0500
committerPerry Hung <iperry@gmail.com>2011-01-24 23:23:29 -0500
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-.. _arduino-delaymicroseconds:
-
-delayMicroseconds()
-===================
-
-Description
------------
-
-Pauses the program for the amount of time (in microseconds)
-specified as parameter. There are a thousand microseconds in a
-millisecond, and a million microseconds in a second.
-
-
-
-Currently, the largest value that will produce an accurate delay is
-16383. This could change in future Arduino releases. For delays
-longer than a few thousand microseconds, you should use delay()
-instead.
-
-
-
-Syntax
-------
-
-delayMicroseconds(us)
-
-
-
-Parameters
-----------
-
-us: the number of microseconds to pause (*unsigned int*)
-
-
-
-Returns
--------
-
-None
-
-
-
-Example
--------
-
-::
-
-
- int outPin = 8; // digital pin 8
-
- void setup()
- {
- pinMode(outPin, OUTPUT); // sets the digital pin as output
- }
-
- void loop()
- {
- digitalWrite(outPin, HIGH); // sets the pin on
- delayMicroseconds(50); // pauses for 50 microseconds
- digitalWrite(outPin, LOW); // sets the pin off
- delayMicroseconds(50); // pauses for 50 microseconds
- }
-
-
-
-configures pin number 8 to work as an output pin. It sends a train
-of pulses with 100 microseconds period.
-
-
-
-Caveats and Known Issues
-------------------------
-
-This function works very accurately in the range 3 microseconds and
-up. We cannot assure that delayMicroseconds will perform precisely
-for smaller delay-times.
-
-
-
-As of Arduino 0018, delayMicroseconds() no longer disables
-interrupts.
-
-
-
-See also
---------
-
-
-- `millis <http://arduino.cc/en/Reference/Millis>`_\ ()
-- `micros <http://arduino.cc/en/Reference/Micros>`_\ ()
-- `delay <http://arduino.cc/en/Reference/Delay>`_\ ()
-
-