WIZnetInterface - This is Library using WIZnet Hardware TCP/IP chip…

WIZnet » Code » WIZnetInterface

This is Library using WIZnet Hardware TCP/IP chip, W5500 and WIZnet TCP/IP Offload Engine, W7500.

Dependents: HTTP_SDcard_file_server_WIZwiki-W7500 SSD1306_smart_watch TCPEchoServer-WIZwiki-W7500 httpServer-WIZwiki-W7500 ... more

Fork of WIZnetInterface by Soohwan Kim

This is WIZnet Ethernet Interface using Hardware TCP/IP chip, W5500 and TCP/IP Offload Engine, W7500.

[Users » embeddist » Code » WIZnetInterface](https://developer.mbed.org/users/embeddist/code/WIZnetInterface/) -> WIZnetInterface Lib will be released on [Team WIZnet](https://developer.mbed.org/teams/WIZnet/)

WIZwiki_W7500 : /platforms/WIZwiki-W7500/

WIZwiki_W7500P : /platforms/WIZwiki-W7500P/

WIZwiki_W7500ECO : /platforms/WIZwiki-W7500ECO/

W5500 Ethernet Shield : /components/W5500-Ethernet-Kit-for-IoT/

This library is an Ethernet Interface library port-based on [EthernetInterface](https://developer.mbed.org/users/mbed_official/code/EthernetInterface/docs/tip/).

For more detail, visit http://embeddist.blogspot.kr/2015/06/wiznetinterface-for-armmbed.html

Socket/DNSClient.h

Committer:: kaizen
Date:: 2015-07-22
Revision:: 20:bda61525ac71
Parent:: 0:6f28332c466f

File content as of revision 20:bda61525ac71:

// DNSClient.h 2013/4/5
#pragma once

#include "UDPSocket.h"
 
class DNSClient {
public:
    DNSClient(const char* hostname = NULL);
    DNSClient(Endpoint* pHost);
    virtual ~DNSClient();
    bool lookup(const char* hostname = NULL);
    uint32_t ip;
protected:
    void poll();
    void callback();
    int response(uint8_t buf[], int size);
    int query(uint8_t buf[], int size, const char* hostname);
    void resolve(const char* hostname);
    uint8_t m_id[2];
    Timer m_interval;
    int m_retry;
    const char* m_hostname;
private:
    enum MyNetDnsState
    {
        MYNETDNS_START,
        MYNETDNS_PROCESSING, //Req has not completed
        MYNETDNS_NOTFOUND,
        MYNETDNS_ERROR,
        MYNETDNS_OK
    };
    MyNetDnsState m_state;
    UDPSocket *m_udp;
};