WIZnet / WIZnet_Library

This is WIZnet Ethernet Interface using Hardware TCP/IP chip, W5500, W5200 and W5100. One of them can be selected by enabling it in wiznet.h.

Dependents:   Embedded_web EmailButton EmailButton HTTPClient_Weather ... more

other drivers

for only W5500 / WIZ550io user, you could use

Import libraryW5500Interface

This is the Interface library for WIZnet W5500 chip which forked of EthernetInterfaceW5500, WIZnetInterface and WIZ550ioInterface. This library has simple name as "W5500Interface". and can be used for Wiz550io users also.

Last commit 28 Apr 2015 by W5500-Ethernet-Interface Makers

WIZnetInterface/DHCPClient/DHCPClient.h@0:b72d22e10709, 2014-05-08 (annotated)

Committer:
jbkim
Date:
Thu May 08 03:57:58 2014 +0000
Revision:
0:b72d22e10709
1st commit

Who changed what in which revision?

UserRevisionLine numberNew contents of line
jbkim 0:b72d22e10709 1 // DHCPClient.h 2013/4/10
jbkim 0:b72d22e10709 2 #ifndef DHCPCLIENT_H
jbkim 0:b72d22e10709 3 #define DHCPCLIENT_H
jbkim 0:b72d22e10709 4 #include "wiznet.h"
jbkim 0:b72d22e10709 5 #include "UDPSocket.h"
jbkim 0:b72d22e10709 6
jbkim 0:b72d22e10709 7 #define DHCP_OFFSET_OP 0
jbkim 0:b72d22e10709 8 #define DHCP_OFFSET_XID 4
jbkim 0:b72d22e10709 9 #define DHCP_OFFSET_YIADDR 16
jbkim 0:b72d22e10709 10 #define DHCP_OFFSET_SIADDR 20
jbkim 0:b72d22e10709 11 #define DHCP_OFFSET_OPTIONS 240
jbkim 0:b72d22e10709 12 #define DHCP_MAX_PACKET_SIZE 600
jbkim 0:b72d22e10709 13
jbkim 0:b72d22e10709 14 // DHCP Message Type
jbkim 0:b72d22e10709 15 #define DHCPDISCOVER 1
jbkim 0:b72d22e10709 16 #define DHCPOFFER 2
jbkim 0:b72d22e10709 17 #define DHCPREQUEST 3
jbkim 0:b72d22e10709 18 #define DHCPDECLINE 4
jbkim 0:b72d22e10709 19 #define DHCPACK 5
jbkim 0:b72d22e10709 20 #define DHCPNAK 6
jbkim 0:b72d22e10709 21 #define DHCPRELEASE 7
jbkim 0:b72d22e10709 22 #define DHCPINFORM 8
jbkim 0:b72d22e10709 23
jbkim 0:b72d22e10709 24 class DHCPClient {
jbkim 0:b72d22e10709 25 public:
jbkim 0:b72d22e10709 26 DHCPClient();
jbkim 0:b72d22e10709 27 int setup(int timeout_ms = 15*1000);
jbkim 0:b72d22e10709 28 uint8_t chaddr[6]; // MAC
jbkim 0:b72d22e10709 29 uint8_t yiaddr[4]; // IP
jbkim 0:b72d22e10709 30 uint8_t dnsaddr[4]; // DNS
jbkim 0:b72d22e10709 31 uint8_t gateway[4];
jbkim 0:b72d22e10709 32 uint8_t netmask[4];
jbkim 0:b72d22e10709 33 uint8_t siaddr[4];
jbkim 0:b72d22e10709 34 private:
jbkim 0:b72d22e10709 35 int discover();
jbkim 0:b72d22e10709 36 int request();
jbkim 0:b72d22e10709 37 int offer(uint8_t buf[], int size);
jbkim 0:b72d22e10709 38 void add_buf(uint8_t* buf, int len);
jbkim 0:b72d22e10709 39 void fill_buf(int len, uint8_t data = 0x00);
jbkim 0:b72d22e10709 40 void add_buf(uint8_t c);
jbkim 0:b72d22e10709 41 void add_option(uint8_t code, uint8_t* buf = NULL, int len = 0);
jbkim 0:b72d22e10709 42 bool verify(uint8_t buf[], int len);
jbkim 0:b72d22e10709 43 void callback();
jbkim 0:b72d22e10709 44 UDPSocket* m_udp;
jbkim 0:b72d22e10709 45 Endpoint m_server;
jbkim 0:b72d22e10709 46 uint8_t xid[4];
jbkim 0:b72d22e10709 47 bool exit_flag;
jbkim 0:b72d22e10709 48 Timer m_interval;
jbkim 0:b72d22e10709 49 int m_retry;
jbkim 0:b72d22e10709 50 uint8_t m_buf[DHCP_MAX_PACKET_SIZE];
jbkim 0:b72d22e10709 51 int m_pos;
jbkim 0:b72d22e10709 52 WIZnet_Chip* eth;
jbkim 0:b72d22e10709 53 };
jbkim 0:b72d22e10709 54 #endif //DHCPCLIENT_H
jbkim 0:b72d22e10709 55