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example06_Fading.c
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73 lines (55 loc) · 1.82 KB
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// modified for LPC810 LED on digital 2
#include "arduino.h"
/*
Fading
This example shows how to fade an LED using the analogWrite() function.
The circuit:
* LED attached from digital pin 9 to ground.
Created 1 Nov 2008
By David A. Mellis
modified 30 Aug 2011
By Tom Igoe
modified and adapted by ChrisMicro 2014 for LPC810
http://arduino.cc/en/Tutorial/Fading
This example code is in the public domain.
*/
int ledPin = 2; // LED connected to digital pin 2 on
void setup() {
// nothing happens in setup
}
void loop() {
// fade in from min to max in increments of 5 points:
for (int fadeValue = 0 ; fadeValue <= 255; fadeValue += 5) {
// sets the value (range from 0 to 255):
analogWrite(ledPin, fadeValue);
// wait for 30 milliseconds to see the dimming effect
delay(30);
}
// fade out from max to min in increments of 5 points:
for (int fadeValue = 255 ; fadeValue >= 0; fadeValue -= 5) {
// sets the value (range from 0 to 255):
analogWrite(ledPin, fadeValue);
// wait for 30 milliseconds to see the dimming effect
delay(30);
}
}
/*
LPC800 Pining ( Arduino pin numbering )
=======================================
________
| U |
reset -| |- digital 0 / analog in A0 / RX
TX / digital 4 -| LPC |- GND
digital 3 -| 810 |- +3.3V
digital 2 -| |- digital 1 / analog in A1
|_______|
Mini Kit Board ( http://www.lpcware.com/lpc800-mini-kit )
=========================================================
_________
| U |
reset switch -| |-
-| LPC |- GND
speaker pin -| 810 |- +3.3V
test led -| |-
|_______|
*/