43 lines
885 B
Plaintext
43 lines
885 B
Plaintext
char dummyvar; // to get Arduinoi IDE to include core headers properly
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/*
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MsTimer2 is a small and very easy to use library to interface Timer2 with
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humans. It's called MsTimer2 because it "hardcodes" a resolution of 1
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millisecond on timer2
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For Details see: http://www.arduino.cc/playground/Main/MsTimer2
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*/
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#include <MsTimer2.h>
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// Switch on LED on and off each half second
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#if defined(ARDUINO) && ARDUINO >= 100
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const int led_pin = LED_BUILTIN; // 1.0 built in LED pin var
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#else
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#if defined(CORE_LED0_PIN)
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const int led_pin = CORE_LED0_PIN; // 3rd party LED pin define
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#else
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const int led_pin = 13; // default to pin 13
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#endif
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#endif
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void flash()
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{
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static boolean output = HIGH;
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digitalWrite(led_pin, output);
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output = !output;
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}
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void setup()
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{
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pinMode(led_pin, OUTPUT);
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MsTimer2::set(500, flash); // 500ms period
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MsTimer2::start();
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}
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void loop()
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{
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}
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