130 lines
3.8 KiB
C++
130 lines
3.8 KiB
C++
/*
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UIPEthernet.h - Arduino implementation of a uIP wrapper class.
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Copyright (c) 2013 Norbert Truchsess <norbert.truchsess@t-online.de>
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All rights reserved.
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef UIPETHERNET_H
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#define UIPETHERNET_H
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#define UIP_UDP 1
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//#define UIPETHERNET_DEBUG
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//#define UIPETHERNET_DEBUG_CHKSUM
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//#define UIPETHERNET_DEBUG_UDP
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//#define UIPETHERNET_DEBUG_CLIENT
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#include "ethernet_comp.h"
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#include <Arduino.h>
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#include "Dhcp.h"
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#include "IPAddress.h"
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#include "utility/Enc28J60Network.h"
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#include "UIPClient.h"
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#include "UIPServer.h"
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#include "UIPUdp.h"
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extern "C"
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{
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#include "utility/uip_timer.h"
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#include "utility/uip.h"
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}
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#define UIPETHERNET_FREEPACKET 1
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#define UIPETHERNET_SENDPACKET 2
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#define UIPETHERNET_BUFFERREAD 4
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#define uip_ip_addr(addr, ip) do { \
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((u16_t *)(addr))[0] = HTONS(((ip[0]) << 8) | (ip[1])); \
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((u16_t *)(addr))[1] = HTONS(((ip[2]) << 8) | (ip[3])); \
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} while(0)
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#define ip_addr_uip(a) IPAddress(a[0] & 0xFF, a[0] >> 8 , a[1] & 0xFF, a[1] >> 8) //TODO this is not IPV6 capable
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#define uip_seteth_addr(eaddr) do {uip_ethaddr.addr[0] = eaddr[0]; \
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uip_ethaddr.addr[1] = eaddr[1];\
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uip_ethaddr.addr[2] = eaddr[2];\
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uip_ethaddr.addr[3] = eaddr[3];\
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uip_ethaddr.addr[4] = eaddr[4];\
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uip_ethaddr.addr[5] = eaddr[5];} while(0)
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#define BUF ((struct uip_tcpip_hdr *)&uip_buf[UIP_LLH_LEN])
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class UIPEthernetClass
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{
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public:
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UIPEthernetClass();
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int begin(const uint8_t* mac);
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void begin(const uint8_t* mac, IPAddress ip);
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void begin(const uint8_t* mac, IPAddress ip, IPAddress dns);
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void begin(const uint8_t* mac, IPAddress ip, IPAddress dns, IPAddress gateway);
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void begin(const uint8_t* mac, IPAddress ip, IPAddress dns, IPAddress gateway, IPAddress subnet);
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// maintain() must be called at regular intervals to process the incoming serial
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// data and issue IP events to the sketch. It does not return until all IP
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// events have been processed. Renews dhcp-lease if required.
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int maintain();
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IPAddress localIP();
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IPAddress subnetMask();
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IPAddress gatewayIP();
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IPAddress dnsServerIP();
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private:
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static memhandle in_packet;
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static memhandle uip_packet;
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static uint8_t uip_hdrlen;
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static uint8_t packetstate;
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static IPAddress _dnsServerAddress;
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static DhcpClass* _dhcp;
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static unsigned long periodic_timer;
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static void init(const uint8_t* mac);
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static void configure(IPAddress ip, IPAddress dns, IPAddress gateway, IPAddress subnet);
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static void tick();
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static boolean network_send();
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friend class UIPServer;
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friend class UIPClient;
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friend class UIPUDP;
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static uint16_t chksum(uint16_t sum, const uint8_t* data, uint16_t len);
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static uint16_t ipchksum(void);
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#if UIP_UDP
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static uint16_t upper_layer_chksum(uint8_t proto);
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#endif
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friend uint16_t uip_ipchksum(void);
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friend uint16_t uip_tcpchksum(void);
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friend uint16_t uip_udpchksum(void);
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friend void uipclient_appcall(void);
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friend void uipudp_appcall(void);
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#if UIP_CONF_IPV6
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uint16_t uip_icmp6chksum(void);
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#endif /* UIP_CONF_IPV6 */
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};
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extern UIPEthernetClass UIPEthernet;
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#endif
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