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#ifndef __DHCPS_H__
#define __DHCPS_H__
#define USE_DNS
#include "esp_wifi.h"
typedef struct dhcps_state {
s16_t state;
} dhcps_state;
// <20><><EFBFBD><EFBFBD>dhcpclient<6E>Զ<EFBFBD><D4B6><EFBFBD><EFBFBD>һ<EFBFBD><D2BB>DHCP msg<73><EFBFBD><E1B9B9>
typedef struct dhcps_msg {
u8_t op, htype, hlen, hops;
u8_t xid[4];
u16_t secs, flags;
u8_t ciaddr[4];
u8_t yiaddr[4];
u8_t siaddr[4];
u8_t giaddr[4];
u8_t chaddr[16];
u8_t sname[64];
u8_t file[128];
u8_t options[312];
} dhcps_msg;
#ifndef LWIP_OPEN_SRC
struct dhcps_lease {
bool enable;
struct ip_addr start_ip;
struct ip_addr end_ip;
};
enum dhcps_offer_option {
OFFER_START = 0x00,
OFFER_ROUTER = 0x01,
OFFER_END
};
#endif
struct dhcps_pool {
struct ip_addr ip;
u8_t mac[6];
u32_t lease_timer;
};
typedef struct _list_node {
void* pnode;
struct _list_node* pnext;
} list_node;
extern u32_t dhcps_lease_time;
#define DHCPS_COARSE_TIMER_SECS 1
#define DHCPS_LEASE_TIMER dhcps_lease_time //0x05A0
#define DHCPS_MAX_LEASE 0x64
#define BOOTP_BROADCAST 0x8000
#define DHCP_REPLY 2
#define DHCP_HTYPE_ETHERNET 1
#define DHCP_HLEN_ETHERNET 6
#define DHCP_MSG_LEN 236
#define DHCPS_SERVER_PORT 67
#define DHCPS_CLIENT_PORT 68
#define DHCPDISCOVER 1
#define DHCPOFFER 2
#define DHCPREQUEST 3
#define DHCPDECLINE 4
#define DHCPACK 5
#define DHCPNAK 6
#define DHCPRELEASE 7
#define DHCP_OPTION_SUBNET_MASK 1
#define DHCP_OPTION_ROUTER 3
#define DHCP_OPTION_DNS_SERVER 6
#define DHCP_OPTION_REQ_IPADDR 50
#define DHCP_OPTION_LEASE_TIME 51
#define DHCP_OPTION_MSG_TYPE 53
#define DHCP_OPTION_SERVER_ID 54
#define DHCP_OPTION_INTERFACE_MTU 26
#define DHCP_OPTION_PERFORM_ROUTER_DISCOVERY 31
#define DHCP_OPTION_BROADCAST_ADDRESS 28
#define DHCP_OPTION_REQ_LIST 55
#define DHCP_OPTION_END 255
//#define USE_CLASS_B_NET 1
#define DHCPS_DEBUG 0
#define MAX_STATION_NUM 8
#define DHCPS_STATE_OFFER 1
#define DHCPS_STATE_DECLINE 2
#define DHCPS_STATE_ACK 3
#define DHCPS_STATE_NAK 4
#define DHCPS_STATE_IDLE 5
#define DHCPS_STATE_RELEASE 6
#define dhcps_router_enabled(offer) ((offer & OFFER_ROUTER) != 0)
void dhcps_start(struct ip_info* info);
void dhcps_stop(void);
#endif