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mirror of https://github.com/arduino/Arduino.git synced 2024-11-29 10:24:12 +01:00

Corrected the style

This commit is contained in:
Tom Igoe 2009-06-24 21:43:38 +00:00
parent 061bd9cec2
commit 5e4814c097

View File

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/*
* Loop
* by David A. Mellis
*
* Lights multiple LEDs in sequence, then in reverse. Demonstrates
* the use of a for() loop and arrays.
*
* http://www.arduino.cc/en/Tutorial/Loop
*/
int timer = 100; // The higher the number, the slower the timing.
int pins[] = { 2, 3, 4, 5, 6, 7 }; // an array of pin numbers
int num_pins = 6; // the number of pins (i.e. the length of the array)
void setup()
{
int i;
for (i = 0; i < num_pins; i++) // the array elements are numbered from 0 to num_pins - 1
pinMode(pins[i], OUTPUT); // set each pin as an output
}
void loop()
{
int i;
for (i = 0; i < num_pins; i++) { // loop through each pin...
digitalWrite(pins[i], HIGH); // turning it on,
delay(timer); // pausing,
digitalWrite(pins[i], LOW); // and turning it off.
}
for (i = num_pins - 1; i >= 0; i--) {
digitalWrite(pins[i], HIGH);
delay(timer);
digitalWrite(pins[i], LOW);
}
}