// Adafruit IO Digital Input Example
// Tutorial Link: https://learn.adafruit.com/adafruit-io-basics-digital-input
//
// Adafruit invests time and resources providing this open source code.
// Please support Adafruit and open source hardware by purchasing
// products from Adafruit!
//
// Written by Todd Treece for Adafruit Industries
// Copyright (c) 2016 Adafruit Industries
// Licensed under the MIT license.
//
// All text above must be included in any redistribution.
#include <time.h>
/************************** Configuration ***********************************/
// edit the config.h tab and enter your Adafruit IO credentials
// and any additional configuration needed for WiFi, cellular,
// or ethernet clients.
#define AIO_DEBUG
#include "config.h"
/************************ Example Starts Here *******************************/
// digital pin 13
#define BUTTON1 27
#define BUTTON2 26
#define LED1 13
#define LED2 12
#define LED3 14
// button state
bool current = false;
bool last = false;
// set up the 'digital' feed
AdafruitIO_Feed *digital = io.feed("digital");
void setupButton();
void setupLed();
void setupButton(){
pinMode(BUTTON1, INPUT_PULLUP);
pinMode(BUTTON2, INPUT_PULLUP);
}
void setupLed(){
pinMode(LED1, OUTPUT);
pinMode(LED2, OUTPUT);
pinMode(LED3, OUTPUT);
}
void setup() {
// set button pin as an input
setupButton();
setupLed();
// start the serial connection
Serial.begin(115200);
// wait for serial monitor to open
while(! Serial);
// connect to io.adafruit.com
Serial.print("Connecting to Adafruit IO");
io.connect();
// wait for a connection
while(io.status() < AIO_CONNECTED) {
Serial.print(".");
delay(500);
}
// we are connected
Serial.println();
Serial.println(io.statusText());
}
void loop() {
// io.run(); is required for all sketches.
// it should always be present at the top of your loop
// function. it keeps the client connected to
// io.adafruit.com, and processes any incoming data.
io.run();
// grab the current state of the button.
// we have to flip the logic because we are
// using a pullup resistor.
if(digitalRead(BUTTON1) == LOW)
current = true;
else
current = false;
// return if the value hasn't changed
if(current == last)
return;
// save the current state to the 'digital' feed on adafruit io
Serial.print("sending button -> ");
Serial.println(current);
digital->save(current);
// store last button state
last = current;
}