1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
|
#include "w5100.h"
#include "Ethernet.h"
#include "Dhcp.h"
// XXX: don't make assumptions about the value of MAX_SOCK_NUM.
uint8_t EthernetClass::_state[MAX_SOCK_NUM] = {
0, 0, 0, 0 };
uint16_t EthernetClass::_server_port[MAX_SOCK_NUM] = {
0, 0, 0, 0 };
int EthernetClass::begin(uint8_t *mac_address)
{
_dhcp = new DhcpClass();
// Initialise the basic info
W5100.init();
W5100.setMACAddress(mac_address);
W5100.setIPAddress(IPAddress(0,0,0,0).raw_address());
// Now try to get our config info from a DHCP server
int ret = _dhcp->beginWithDHCP(mac_address);
if(ret == 1)
{
// We've successfully found a DHCP server and got our configuration info, so set things
// accordingly
W5100.setIPAddress(_dhcp->getLocalIp().raw_address());
W5100.setGatewayIp(_dhcp->getGatewayIp().raw_address());
W5100.setSubnetMask(_dhcp->getSubnetMask().raw_address());
_dnsServerAddress = _dhcp->getDnsServerIp();
}
return ret;
}
void EthernetClass::begin(uint8_t *mac_address, IPAddress local_ip)
{
// Assume the DNS server will be the machine on the same network as the local IP
// but with last octet being '1'
IPAddress dns_server = local_ip;
dns_server[3] = 1;
begin(mac_address, local_ip, dns_server);
}
void EthernetClass::begin(uint8_t *mac_address, IPAddress local_ip, IPAddress dns_server)
{
// Assume the gateway will be the machine on the same network as the local IP
// but with last octet being '1'
IPAddress gateway = local_ip;
gateway[3] = 1;
begin(mac_address, local_ip, dns_server, gateway);
}
void EthernetClass::begin(uint8_t *mac_address, IPAddress local_ip, IPAddress dns_server, IPAddress gateway)
{
IPAddress subnet(255, 255, 255, 0);
begin(mac_address, local_ip, dns_server, gateway, subnet);
}
void EthernetClass::begin(uint8_t *mac, IPAddress local_ip, IPAddress dns_server, IPAddress gateway, IPAddress subnet)
{
W5100.init();
W5100.setMACAddress(mac);
W5100.setIPAddress(local_ip._address);
W5100.setGatewayIp(gateway._address);
W5100.setSubnetMask(subnet._address);
_dnsServerAddress = dns_server;
}
int EthernetClass::maintain(){
int rc = DHCP_CHECK_NONE;
if(_dhcp != NULL){
//we have a pointer to dhcp, use it
rc = _dhcp->checkLease();
switch ( rc ){
case DHCP_CHECK_NONE:
//nothing done
break;
case DHCP_CHECK_RENEW_OK:
case DHCP_CHECK_REBIND_OK:
//we might have got a new IP.
W5100.setIPAddress(_dhcp->getLocalIp().raw_address());
W5100.setGatewayIp(_dhcp->getGatewayIp().raw_address());
W5100.setSubnetMask(_dhcp->getSubnetMask().raw_address());
_dnsServerAddress = _dhcp->getDnsServerIp();
break;
default:
//this is actually a error, it will retry though
break;
}
}
return rc;
}
IPAddress EthernetClass::localIP()
{
IPAddress ret;
W5100.getIPAddress(ret.raw_address());
return ret;
}
IPAddress EthernetClass::subnetMask()
{
IPAddress ret;
W5100.getSubnetMask(ret.raw_address());
return ret;
}
IPAddress EthernetClass::gatewayIP()
{
IPAddress ret;
W5100.getGatewayIp(ret.raw_address());
return ret;
}
IPAddress EthernetClass::dnsServerIP()
{
return _dnsServerAddress;
}
EthernetClass Ethernet;
|
