Hill Kim / W5200Interface

MQTT client test with W5200 ethernet shield

Dependents:   IBMIoTClientEthernetExample_W5200

Fork of W5500Interface by W5500-Ethernet-Interface Makers

DHCPClient/DHCPClient.h@0:e11e8793c3ce, 2014-08-20 (annotated)

Committer:
Bongjun
Date:
Wed Aug 20 00:28:37 2014 +0000
Revision:
0:e11e8793c3ce
first release.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Bongjun 0:e11e8793c3ce 1 // DHCPClient.h 2013/4/10
Bongjun 0:e11e8793c3ce 2 #ifndef DHCPCLIENT_H
Bongjun 0:e11e8793c3ce 3 #define DHCPCLIENT_H
Bongjun 0:e11e8793c3ce 4 #include "wiznet.h"
Bongjun 0:e11e8793c3ce 5 #include "UDPSocket.h"
Bongjun 0:e11e8793c3ce 6
Bongjun 0:e11e8793c3ce 7 #define DHCP_OFFSET_OP 0
Bongjun 0:e11e8793c3ce 8 #define DHCP_OFFSET_XID 4
Bongjun 0:e11e8793c3ce 9 #define DHCP_OFFSET_YIADDR 16
Bongjun 0:e11e8793c3ce 10 #define DHCP_OFFSET_SIADDR 20
Bongjun 0:e11e8793c3ce 11 #define DHCP_OFFSET_OPTIONS 240
Bongjun 0:e11e8793c3ce 12 #define DHCP_MAX_PACKET_SIZE 600
Bongjun 0:e11e8793c3ce 13
Bongjun 0:e11e8793c3ce 14 // DHCP Message Type
Bongjun 0:e11e8793c3ce 15 #define DHCPDISCOVER 1
Bongjun 0:e11e8793c3ce 16 #define DHCPOFFER 2
Bongjun 0:e11e8793c3ce 17 #define DHCPREQUEST 3
Bongjun 0:e11e8793c3ce 18 #define DHCPDECLINE 4
Bongjun 0:e11e8793c3ce 19 #define DHCPACK 5
Bongjun 0:e11e8793c3ce 20 #define DHCPNAK 6
Bongjun 0:e11e8793c3ce 21 #define DHCPRELEASE 7
Bongjun 0:e11e8793c3ce 22 #define DHCPINFORM 8
Bongjun 0:e11e8793c3ce 23
Bongjun 0:e11e8793c3ce 24 class DHCPClient {
Bongjun 0:e11e8793c3ce 25 public:
Bongjun 0:e11e8793c3ce 26 DHCPClient();
Bongjun 0:e11e8793c3ce 27 int setup(int timeout_ms = 15*1000);
Bongjun 0:e11e8793c3ce 28 uint8_t chaddr[6]; // MAC
Bongjun 0:e11e8793c3ce 29 uint8_t yiaddr[4]; // IP
Bongjun 0:e11e8793c3ce 30 uint8_t dnsaddr[4]; // DNS
Bongjun 0:e11e8793c3ce 31 uint8_t gateway[4];
Bongjun 0:e11e8793c3ce 32 uint8_t netmask[4];
Bongjun 0:e11e8793c3ce 33 uint8_t siaddr[4];
Bongjun 0:e11e8793c3ce 34 private:
Bongjun 0:e11e8793c3ce 35 int discover();
Bongjun 0:e11e8793c3ce 36 int request();
Bongjun 0:e11e8793c3ce 37 int offer(uint8_t buf[], int size);
Bongjun 0:e11e8793c3ce 38 void add_buf(uint8_t* buf, int len);
Bongjun 0:e11e8793c3ce 39 void fill_buf(int len, uint8_t data = 0x00);
Bongjun 0:e11e8793c3ce 40 void add_buf(uint8_t c);
Bongjun 0:e11e8793c3ce 41 void add_option(uint8_t code, uint8_t* buf = NULL, int len = 0);
Bongjun 0:e11e8793c3ce 42 bool verify(uint8_t buf[], int len);
Bongjun 0:e11e8793c3ce 43 void callback();
Bongjun 0:e11e8793c3ce 44 UDPSocket* m_udp;
Bongjun 0:e11e8793c3ce 45 Endpoint m_server;
Bongjun 0:e11e8793c3ce 46 uint8_t xid[4];
Bongjun 0:e11e8793c3ce 47 bool exit_flag;
Bongjun 0:e11e8793c3ce 48 Timer m_interval;
Bongjun 0:e11e8793c3ce 49 int m_retry;
Bongjun 0:e11e8793c3ce 50 uint8_t m_buf[DHCP_MAX_PACKET_SIZE];
Bongjun 0:e11e8793c3ce 51 int m_pos;
Bongjun 0:e11e8793c3ce 52 WIZnet_Chip* eth;
Bongjun 0:e11e8793c3ce 53 };
Bongjun 0:e11e8793c3ce 54 #endif //DHCPCLIENT_H