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Added Printable interface class to allow printing of classes such as IPAddress

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This commit is contained in:
David A. Mellis
2011-06-04 09:19:17 -04:00
parent 2711c9910b
commit 87a04fc064
5 changed files with 66 additions and 1 deletions
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10
libraries/Ethernet/IPAddress.cpp
View File

@ -42,3 +42,13 @@ bool IPAddress::operator==(const uint8_t* addr)
return memcmp(addr, _address, sizeof(_address)) == 0;
}
void IPAddress::printTo(Print& p) const
{
for (int i =0; i < 3; i++)
{
p.print(_address[i], DEC);
p.print('.');
}
p.print(_address[3], DEC);
}

6
libraries/Ethernet/IPAddress.h
View File

@ -26,9 +26,11 @@
#ifndef IPAddress_h
#define IPAddress_h
#include <Printable.h>
// A class to make it easier to handle and pass around IP addresses
class IPAddress {
class IPAddress : public Printable {
private:
uint8_t _address[4]; // IPv4 address
// Access the raw byte array containing the address. Because this returns a pointer
@ -58,6 +60,8 @@ public:
IPAddress& operator=(const uint8_t *address);
IPAddress& operator=(uint32_t address);
virtual void printTo(Print& p) const;
friend class EthernetClass;
friend class UDP;
friend class Client;