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Arduino/hardware/arduino/cores/robot/IPAddress.cpp
2014-02-13 17:49:14 +01:00

75 lines
1.9 KiB
C++

/*
IPAddress.cpp - Base class that provides IPAddress
Copyright (c) 2011 Adrian McEwen. All right reserved.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <Arduino.h>
#include <IPAddress.h>
IPAddress::IPAddress()
{
memset(_address, 0, sizeof(_address));
}
IPAddress::IPAddress(uint8_t first_octet, uint8_t second_octet, uint8_t third_octet, uint8_t fourth_octet)
{
_address[0] = first_octet;
_address[1] = second_octet;
_address[2] = third_octet;
_address[3] = fourth_octet;
}
IPAddress::IPAddress(uint32_t address)
{
memcpy(_address, &address, sizeof(_address));
}
IPAddress::IPAddress(const uint8_t *address)
{
memcpy(_address, address, sizeof(_address));
}
IPAddress& IPAddress::operator=(const uint8_t *address)
{
memcpy(_address, address, sizeof(_address));
return *this;
}
IPAddress& IPAddress::operator=(uint32_t address)
{
memcpy(_address, (const uint8_t *)&address, sizeof(_address));
return *this;
}
bool IPAddress::operator==(const uint8_t* addr)
{
return memcmp(addr, _address, sizeof(_address)) == 0;
}
size_t IPAddress::printTo(Print& p) const
{
size_t n = 0;
for (int i =0; i < 3; i++)
{
n += p.print(_address[i], DEC);
n += p.print('.');
}
n += p.print(_address[3], DEC);
return n;
}