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Dependencies:   LM75B M2XStreamClient jsonlite mbed-rtos mbed

Fork of m2x-seeed_ethernet_demo by Sean Newton

WIZnet_Library/WIZnetInterface/DHCPClient/DHCPClient.h@3:0fba8849a883, 2014-09-30 (annotated)

Committer:
SeanNewton
Date:
Tue Sep 30 00:32:20 2014 +0000
Revision:
3:0fba8849a883
Initial Release

Who changed what in which revision?

UserRevisionLine numberNew contents of line
SeanNewton 3:0fba8849a883 1 // DHCPClient.h 2013/4/10
SeanNewton 3:0fba8849a883 2 #ifndef DHCPCLIENT_H
SeanNewton 3:0fba8849a883 3 #define DHCPCLIENT_H
SeanNewton 3:0fba8849a883 4 #include "wiznet.h"
SeanNewton 3:0fba8849a883 5 #include "UDPSocket.h"
SeanNewton 3:0fba8849a883 6
SeanNewton 3:0fba8849a883 7 #define DHCP_OFFSET_OP 0
SeanNewton 3:0fba8849a883 8 #define DHCP_OFFSET_XID 4
SeanNewton 3:0fba8849a883 9 #define DHCP_OFFSET_YIADDR 16
SeanNewton 3:0fba8849a883 10 #define DHCP_OFFSET_SIADDR 20
SeanNewton 3:0fba8849a883 11 #define DHCP_OFFSET_OPTIONS 240
SeanNewton 3:0fba8849a883 12 #define DHCP_MAX_PACKET_SIZE 600
SeanNewton 3:0fba8849a883 13
SeanNewton 3:0fba8849a883 14 // DHCP Message Type
SeanNewton 3:0fba8849a883 15 #define DHCPDISCOVER 1
SeanNewton 3:0fba8849a883 16 #define DHCPOFFER 2
SeanNewton 3:0fba8849a883 17 #define DHCPREQUEST 3
SeanNewton 3:0fba8849a883 18 #define DHCPDECLINE 4
SeanNewton 3:0fba8849a883 19 #define DHCPACK 5
SeanNewton 3:0fba8849a883 20 #define DHCPNAK 6
SeanNewton 3:0fba8849a883 21 #define DHCPRELEASE 7
SeanNewton 3:0fba8849a883 22 #define DHCPINFORM 8
SeanNewton 3:0fba8849a883 23
SeanNewton 3:0fba8849a883 24 class DHCPClient {
SeanNewton 3:0fba8849a883 25 public:
SeanNewton 3:0fba8849a883 26 DHCPClient();
SeanNewton 3:0fba8849a883 27 int setup(int timeout_ms = 15*1000);
SeanNewton 3:0fba8849a883 28 uint8_t chaddr[6]; // MAC
SeanNewton 3:0fba8849a883 29 uint8_t yiaddr[4]; // IP
SeanNewton 3:0fba8849a883 30 uint8_t dnsaddr[4]; // DNS
SeanNewton 3:0fba8849a883 31 uint8_t gateway[4];
SeanNewton 3:0fba8849a883 32 uint8_t netmask[4];
SeanNewton 3:0fba8849a883 33 uint8_t siaddr[4];
SeanNewton 3:0fba8849a883 34 private:
SeanNewton 3:0fba8849a883 35 int discover();
SeanNewton 3:0fba8849a883 36 int request();
SeanNewton 3:0fba8849a883 37 int offer(uint8_t buf[], int size);
SeanNewton 3:0fba8849a883 38 void add_buf(uint8_t* buf, int len);
SeanNewton 3:0fba8849a883 39 void fill_buf(int len, uint8_t data = 0x00);
SeanNewton 3:0fba8849a883 40 void add_buf(uint8_t c);
SeanNewton 3:0fba8849a883 41 void add_option(uint8_t code, uint8_t* buf = NULL, int len = 0);
SeanNewton 3:0fba8849a883 42 bool verify(uint8_t buf[], int len);
SeanNewton 3:0fba8849a883 43 void callback();
SeanNewton 3:0fba8849a883 44 UDPSocket* m_udp;
SeanNewton 3:0fba8849a883 45 Endpoint m_server;
SeanNewton 3:0fba8849a883 46 uint8_t xid[4];
SeanNewton 3:0fba8849a883 47 bool exit_flag;
SeanNewton 3:0fba8849a883 48 Timer m_interval;
SeanNewton 3:0fba8849a883 49 int m_retry;
SeanNewton 3:0fba8849a883 50 uint8_t m_buf[DHCP_MAX_PACKET_SIZE];
SeanNewton 3:0fba8849a883 51 int m_pos;
SeanNewton 3:0fba8849a883 52 WIZnet_Chip* eth;
SeanNewton 3:0fba8849a883 53 };
SeanNewton 3:0fba8849a883 54 #endif //DHCPCLIENT_H
SeanNewton 3:0fba8849a883 55