ethernet_shield.h

/*
 Copyright (C) AC SOFTWARE SP. Z O.O.
 
 This program is free software; you can redistribute it and/or
 modify it under the terms of the GNU General Public License
 as published by the Free Software Foundation; either version 2
 of the License, or (at your option) any later version.
 
 This program 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 General Public License for more details.
 
 You should have received a copy of the GNU General Public License
 along with this program; if not, write to the Free Software
 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
*/
 
#ifndef SRC_SUPLA_NETWORK_ETHERNET_SHIELD_H_
#define SRC_SUPLA_NETWORK_ETHERNET_SHIELD_H_
 
#ifdef ARDUINO_ARCH_AVR
#include <Arduino.h>
#include <Ethernet.h>
#include <supla/log_wrapper.h>
 
#include "../supla_lib_config.h"
#include "network.h"
 
namespace Supla {
class EthernetShield : public Supla::Network {
 public:
  explicit EthernetShield(uint8_t mac[6], unsigned char *ip = NULL)
      : Network(ip) {
    memcpy(this->mac, mac, 6);
  }
 
  void disable() override {
    isDeviceReady = false;
  }
 
  bool isReady() override {
    return isDeviceReady;
  }
 
  void setup() override {
    setSSLEnabled(false);  // no SSL support on Arduino MEGA target
    SUPLA_LOG_INFO("Connecting to network...");
    if (useLocalIp) {
      Ethernet.begin(mac, localIp);
      isDeviceReady = true;
    } else {
      int result = false;
      result = Ethernet.begin(mac, 10000, 4000);
      SUPLA_LOG_INFO("DHCP connection result: %d", result);
      isDeviceReady = result == 1 ? true : false;
    }
 
    IPAddress localIP = Ethernet.localIP();
    IPAddress subnetMaskIP = Ethernet.subnetMask();
    IPAddress gatewayIP = Ethernet.gatewayIP();
    IPAddress dnsServerIP = Ethernet.dnsServerIP();
    SUPLA_LOG_INFO(
        "localIP: %d.%d.%d.%d", localIP[0], localIP[1], localIP[2], localIP[3]);
    SUPLA_LOG_INFO("subnetMaskIP: %d.%d.%d.%d",
                   subnetMaskIP[0],
                   subnetMaskIP[1],
                   subnetMaskIP[2],
                   subnetMaskIP[3]);
    SUPLA_LOG_INFO("gatewayIP: %d.%d.%d.%d",
                   gatewayIP[0],
                   gatewayIP[1],
                   gatewayIP[2],
                   gatewayIP[3]);
    SUPLA_LOG_INFO("dnsServerIP: %d.%d.%d.%d",
                   dnsServerIP[0],
                   dnsServerIP[1],
                   dnsServerIP[2],
                   dnsServerIP[3]);
  }
 
  bool iterate() {
    Ethernet.maintain();
    return true;
  }
 
  void fillStateData(TDSC_ChannelState *channelState) {
    channelState->Fields |=
        SUPLA_CHANNELSTATE_FIELD_IPV4 | SUPLA_CHANNELSTATE_FIELD_MAC;
    channelState->IPv4 = Ethernet.localIP();
    Ethernet.MACAddress(channelState->MAC);
  }
 
 protected:
  uint8_t mac[6] = {};
  bool isDeviceReady = false;
};
 
};  // namespace Supla
 
#endif  // ARDUINO_ARCH_AVR
 
#endif  // SRC_SUPLA_NETWORK_ETHERNET_SHIELD_H_