network-blocking-example.ino

network-blocking-example.ino

#include "spark_disable_cloud.h" // disable cloud on start

int switchPin = D4;
int ledPin = D7;
unsigned long lastSwitchedAt = 0;
bool switched = false;
enum SparkAction {
    none, sparkConnect, sparkDisconnect
};
volatile SparkAction action = none;

void switchSwitched(void);

void setup() {
    pinMode(switchPin, INPUT_PULLDOWN);
    pinMode(ledPin, OUTPUT);
    attachInterrupt(switchPin, switchSwitched, CHANGE);
}

void loop() {   
    if (switched && (millis() - lastSwitchedAt > 200)) {
        lastSwitchedAt = millis();
        
        if(digitalRead(switchPin) == HIGH) {
            action = sparkConnect;
            digitalWrite(ledPin, HIGH);
        } else {
            action = sparkDisconnect;
            digitalWrite(ledPin, LOW);
        }
    }
    switched = false;
   
    SparkAction previous = action;
    action = none;
    switch (previous) {
        case sparkConnect: Spark.connect(); break;
        case sparkDisconnect: Spark.disconnect(); break;
    }
    
    delay(10);
}

void switchSwitched() {
    switched = true;
}