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application.cpp
52 lines (40 loc) · 1.02 KB
/
application.cpp
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#include "application.h"
#include "FiniteStateMachine.h"
SYSTEM_MODE(SEMI_AUTOMATIC);
const int LIGHT_PIN = D0;
const int LIGHT_OFF = HIGH;
const int LIGHT_ON = LOW;
const unsigned long DISCONNECTED_TIMEOUT = 30000; /* ms */
void onlineUpdate();
void disconnectedUpdate();
void offlineUpdate();
State Online{onlineUpdate};
State Disconnected{disconnectedUpdate};
State Offline{offlineUpdate};
FSM connectionFsm{Disconnected};
void setup() {
pinMode(LIGHT_PIN, OUTPUT);
Particle.connect();
}
void loop() {
connectionFsm.update();
}
void onlineUpdate() {
digitalWrite(LIGHT_PIN, LIGHT_OFF);
if(!Particle.connected()) {
connectionFsm.transitionTo(Disconnected);
}
}
void disconnectedUpdate() {
if(Particle.connected()) {
connectionFsm.transitionTo(Online);
} else if(connectionFsm.timeInCurrentState() > DISCONNECTED_TIMEOUT) {
connectionFsm.transitionTo(Offline);
}
}
void offlineUpdate() {
digitalWrite(LIGHT_PIN, LIGHT_ON);
if(Particle.connected()) {
connectionFsm.transitionTo(Online);
}
}