doorstatus/source/arduino/wifi.cpp

/*
Copyright (c):

Philipp Matthias Schäfer (philipp.matthias.schaefer@posteo.de), 2020

This file is part of the KrautStatus' Arduino code.

The Clean CommonMark library is free software: you can redistribute it and/or
modify it under the terms of the GNU Affero General Public License as published
by the Free Software Foundation, either version 3 of the License, or (at your
option) any later version.

The Clean CommonMark library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License
for more details.

You should have received a copy of the GNU Affero General Public License along
with the Clean CommonMark library. If not, see <https://www.gnu.org/licenses/>.
*/

#include <SPI.h>
#include <WiFi101.h>
#include <WiFiUdp.h>

#include "config.h"

WiFiUDP Udp;

void print_mac_address() {
  uint8_t mac[6];
  WiFi.macAddress(mac);
  Serial.print("MAC: ");
  for(unsigned int i = 5; i > 0; --i) {
    Serial.print(mac[i], HEX);
    Serial.print(":");
  }
  Serial.println(mac[0], HEX);
}

boolean wifi_setup() {
  if (WiFi.status() == WL_NO_SHIELD) {
    Serial.println("No WiFI shield present");
    return false;
  }

  print_mac_address();

  while (true) {
    Serial.print("Connecting to SSID: ");
    Serial.println(SSID);

    if (WiFi.begin(SSID, PASSWORD) == WL_CONNECTED) {
      break;
    }

    delay(10000);
  }

  Serial.println("Connect to WiFi");
  Serial.print("IP Address: ");
  Serial.println(WiFi.localIP());

  Udp.begin(SERVER_PORT);

  return true;
}