ArduinoSignals.ino

/*
  Copyright 2017 Google LLC

  Licensed under the Apache License, Version 2.0 (the "License");
  you may not use this file except in compliance with the License.
  You may obtain a copy of the License at

    https://www.apache.org/licenses/LICENSE-2.0

  Unless required by applicable law or agreed to in writing, software
  distributed under the License is distributed on an "AS IS" BASIS,
  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  See the License for the specific language governing permissions and
  limitations under the License.
*/

#include "APICalls.h"

#define ACTION_LED_PIN LED_BUILTIN
#define CONNECTION_LED_PIN 2

PaperSignals mySignal;

bool direction = false;

void setupIndicatorLEDs()
{
  pinMode(ACTION_LED_PIN, OUTPUT);
  pinMode(CONNECTION_LED_PIN, OUTPUT);
}

void SetActionLEDOn()
{
  digitalWrite(ACTION_LED_PIN, false);
}

void SetActionLEDOff()
{
  digitalWrite(ACTION_LED_PIN, true);
}

void SetConnectionLEDOn()
{
  digitalWrite(CONNECTION_LED_PIN, false);
}

void SetConnectionLEDOff()
{
  digitalWrite(CONNECTION_LED_PIN, true);
}

void setup() {

  setupIndicatorLEDs();
  SetActionLEDOn();
  SetConnectionLEDOff();

  Serial.begin(115200);
  Serial.println();
  Serial.print("connecting to ");
  Serial.println(SSID);

  WiFi.begin(SSID.c_str(), Password.c_str());

  while (WiFi.status() != WL_CONNECTED) {
    delay(250);
    Serial.print(".");
  }
  Serial.println("");
  Serial.println("WiFi connected");
  Serial.print("IP address: ");
  Serial.println(WiFi.localIP());

  while (WiFi.status() != WL_CONNECTED);

  SetConnectionLEDOn();

  mySignal.StartUp();
}

void loop() {
  SetActionLEDOn();

  if (WiFi.status() == WL_CONNECTED) {

    String response = mySignal.getJsonHTTP(ApiHost, "/check_this_minute_hotline.php");


    Serial.println(response);

    if (response == "hotline") {
      SetConnectionLEDOn();

      for (int i = 0; i < 10; ++i) {
          if (direction) {
            mySignal.MoveServoToPosition(180, 5);
            direction = false;
            Serial.println("forward");
          } else {
            mySignal.MoveServoToPosition(10, 20);
            direction = true;
            Serial.println("backward");
          }
       }
    }

  }
  else {
    SetConnectionLEDOff();
  }

  SetActionLEDOff();
  delay(5000);
}