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137 lines
3.8 KiB
C++
137 lines
3.8 KiB
C++
#include "utility/w5100.h"
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#include "Ethernet.h"
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#include "Dhcp.h"
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// XXX: don't make assumptions about the value of MAX_SOCK_NUM.
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uint8_t EthernetClass::_state[MAX_SOCK_NUM] = {
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0, 0, 0, 0 };
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uint16_t EthernetClass::_server_port[MAX_SOCK_NUM] = {
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0, 0, 0, 0 };
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int EthernetClass::begin(uint8_t *mac_address, unsigned long timeout, unsigned long responseTimeout)
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{
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static DhcpClass s_dhcp;
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_dhcp = &s_dhcp;
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// Initialise the basic info
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W5100.init();
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SPI.beginTransaction(SPI_ETHERNET_SETTINGS);
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W5100.setMACAddress(mac_address);
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W5100.setIPAddress(IPAddress(0,0,0,0).raw_address());
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SPI.endTransaction();
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// Now try to get our config info from a DHCP server
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int ret = _dhcp->beginWithDHCP(mac_address, timeout, responseTimeout);
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if(ret == 1)
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{
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// We've successfully found a DHCP server and got our configuration info, so set things
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// accordingly
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SPI.beginTransaction(SPI_ETHERNET_SETTINGS);
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W5100.setIPAddress(_dhcp->getLocalIp().raw_address());
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W5100.setGatewayIp(_dhcp->getGatewayIp().raw_address());
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W5100.setSubnetMask(_dhcp->getSubnetMask().raw_address());
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SPI.endTransaction();
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_dnsServerAddress = _dhcp->getDnsServerIp();
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}
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return ret;
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}
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void EthernetClass::begin(uint8_t *mac_address, IPAddress local_ip)
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{
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// Assume the DNS server will be the machine on the same network as the local IP
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// but with last octet being '1'
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IPAddress dns_server = local_ip;
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dns_server[3] = 1;
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begin(mac_address, local_ip, dns_server);
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}
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void EthernetClass::begin(uint8_t *mac_address, IPAddress local_ip, IPAddress dns_server)
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{
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// Assume the gateway will be the machine on the same network as the local IP
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// but with last octet being '1'
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IPAddress gateway = local_ip;
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gateway[3] = 1;
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begin(mac_address, local_ip, dns_server, gateway);
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}
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void EthernetClass::begin(uint8_t *mac_address, IPAddress local_ip, IPAddress dns_server, IPAddress gateway)
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{
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IPAddress subnet(255, 255, 255, 0);
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begin(mac_address, local_ip, dns_server, gateway, subnet);
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}
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void EthernetClass::begin(uint8_t *mac, IPAddress local_ip, IPAddress dns_server, IPAddress gateway, IPAddress subnet)
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{
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W5100.init();
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SPI.beginTransaction(SPI_ETHERNET_SETTINGS);
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W5100.setMACAddress(mac);
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W5100.setIPAddress(local_ip.raw_address());
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W5100.setGatewayIp(gateway.raw_address());
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W5100.setSubnetMask(subnet.raw_address());
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SPI.endTransaction();
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_dnsServerAddress = dns_server;
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}
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int EthernetClass::maintain(){
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int rc = DHCP_CHECK_NONE;
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if(_dhcp != NULL){
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//we have a pointer to dhcp, use it
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rc = _dhcp->checkLease();
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switch ( rc ){
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case DHCP_CHECK_NONE:
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//nothing done
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break;
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case DHCP_CHECK_RENEW_OK:
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case DHCP_CHECK_REBIND_OK:
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//we might have got a new IP.
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SPI.beginTransaction(SPI_ETHERNET_SETTINGS);
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W5100.setIPAddress(_dhcp->getLocalIp().raw_address());
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W5100.setGatewayIp(_dhcp->getGatewayIp().raw_address());
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W5100.setSubnetMask(_dhcp->getSubnetMask().raw_address());
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SPI.endTransaction();
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_dnsServerAddress = _dhcp->getDnsServerIp();
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break;
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default:
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//this is actually a error, it will retry though
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break;
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}
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}
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return rc;
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}
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IPAddress EthernetClass::localIP()
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{
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IPAddress ret;
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SPI.beginTransaction(SPI_ETHERNET_SETTINGS);
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W5100.getIPAddress(ret.raw_address());
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SPI.endTransaction();
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return ret;
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}
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IPAddress EthernetClass::subnetMask()
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{
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IPAddress ret;
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SPI.beginTransaction(SPI_ETHERNET_SETTINGS);
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W5100.getSubnetMask(ret.raw_address());
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SPI.endTransaction();
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return ret;
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}
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IPAddress EthernetClass::gatewayIP()
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{
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IPAddress ret;
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SPI.beginTransaction(SPI_ETHERNET_SETTINGS);
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W5100.getGatewayIp(ret.raw_address());
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SPI.endTransaction();
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return ret;
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}
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IPAddress EthernetClass::dnsServerIP()
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{
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return _dnsServerAddress;
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}
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EthernetClass Ethernet;
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