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
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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
Diff: Socket/DHCPClient.h
- Revision:
- 0:6f28332c466f
diff -r 000000000000 -r 6f28332c466f Socket/DHCPClient.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Socket/DHCPClient.h Mon Jun 15 11:18:37 2015 +0900 @@ -0,0 +1,55 @@ +// DHCPClient.h 2013/4/10 +#ifndef DHCPCLIENT_H +#define DHCPCLIENT_H +#include "eth_arch.h" +#include "UDPSocket.h" + +#define DHCP_OFFSET_OP 0 +#define DHCP_OFFSET_XID 4 +#define DHCP_OFFSET_YIADDR 16 +#define DHCP_OFFSET_SIADDR 20 +#define DHCP_OFFSET_OPTIONS 240 +#define DHCP_MAX_PACKET_SIZE 600 + +// DHCP Message Type +#define DHCPDISCOVER 1 +#define DHCPOFFER 2 +#define DHCPREQUEST 3 +#define DHCPDECLINE 4 +#define DHCPACK 5 +#define DHCPNAK 6 +#define DHCPRELEASE 7 +#define DHCPINFORM 8 + +class DHCPClient { +public: + DHCPClient(); + int setup(int timeout_ms = 15*1000); + uint8_t chaddr[6]; // MAC + uint8_t yiaddr[4]; // IP + uint8_t dnsaddr[4]; // DNS + uint8_t gateway[4]; + uint8_t netmask[4]; + uint8_t siaddr[4]; +private: + int discover(); + int request(); + int offer(uint8_t buf[], int size); + void add_buf(uint8_t* buf, int len); + void fill_buf(int len, uint8_t data = 0x00); + void add_buf(uint8_t c); + void add_option(uint8_t code, uint8_t* buf = NULL, int len = 0); + bool verify(uint8_t buf[], int len); + void callback(); + UDPSocket* m_udp; + Endpoint m_server; + uint8_t xid[4]; + bool exit_flag; + Timer m_interval; + int m_retry; + uint8_t m_buf[DHCP_MAX_PACKET_SIZE]; + int m_pos; + WIZnet_Chip* eth; +}; +#endif //DHCPCLIENT_H +