UipEthernet.h

00001 /*
00002  UipEthernet.h - Arduino implementation of a UIP wrapper class.
00003  Copyright (c) 2013 Norbert Truchsess <norbert.truchsess@t-online.de>
00004  All rights reserved.
00005 
00006  Modified (ported to mbed) by Zoltan Hudak <hudakz@inbox.com>
00007 
00008  This program is free software: you can redistribute it and/or modify
00009  it under the terms of the GNU General Public License as published by
00010  the Free Software Foundation, either version 3 of the License, or
00011  (at your option) any later version.
00012 
00013  This program is distributed in the hope that it will be useful,
00014  but WITHOUT ANY WARRANTY; without even the implied warranty of
00015  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00016  GNU General Public License for more details.
00017 
00018  You should have received a copy of the GNU General Public License
00019  along with this program.  If not, see <http://www.gnu.org/licenses/>.
00020   */
00021 #ifndef UIPETHERNET_h
00022 #define UIPETHERNET_h
00023 
00024 //#define UIPETHERNET_DEBUG
00025 //#define UIPETHERNET_DEBUG_CHKSUM
00026 //#define UIPETHERNET_DEBUG_UDP
00027 //#define UIPETHERNET_DEBUG_CLIENT
00028 #include "mbed.h"
00029 #include "DhcpClient.h"
00030 #include "IpAddress.h"
00031 #include "utility/Enc28j60Eth.h"
00032 #include "TcpClient.h"
00033 #include "TcpServer.h"
00034 #include "UdpSocket.h"
00035 
00036 extern "C"
00037 {
00038 #include "utility/uip_timer.h"
00039 #include "utility/uip.h"
00040 #include "utility/util.h"
00041 }
00042 
00043 class UipEthernet
00044 {
00045 public:
00046     static UipEthernet* ethernet;
00047     static IpAddress    dnsServerAddress;
00048     Enc28j60Eth         enc28j60Eth;
00049 
00050     UipEthernet (const uint8_t mac[6], PinName mosi, PinName miso, PinName sck, PinName cs);
00051 
00052     int               connect(unsigned long timeout = 60);
00053     void              disconnect();
00054     void              set_network(uint8_t octet1, uint8_t octet2, uint8_t octet3, uint8_t octet4);
00055     void              set_network(IpAddress ip);
00056     void              set_network(IpAddress ip, IpAddress dns);
00057     void              set_network(IpAddress ip, IpAddress dns, IpAddress gateway);
00058     void              set_network(IpAddress ip, IpAddress dns, IpAddress gateway, IpAddress subnet);
00059     void              set_network(const char *ip_address, const char *netmask, const char *gateway);
00060     void              tick();
00061     IpAddress         localIP();
00062     IpAddress         subnetMask();
00063     IpAddress         gatewayIP();
00064     IpAddress         dnsServerIP();
00065     const char*       get_ip_address();
00066     void              get_ip_address(SocketAddress* addr);
00067     const char*       get_netmask();
00068     void              get_netmask(SocketAddress* addr);
00069     const char*       get_gateway();
00070     void              get_gateway(SocketAddress* addr);
00071     static uint16_t   chksum(uint16_t sum, const uint8_t* data, uint16_t len);
00072     static uint16_t   ipchksum();
00073     bool              stoip4(const char *ip4addr, size_t len, void *dest);
00074 private:
00075     uint8_t *const    _mac;
00076     IpAddress         _ip;
00077     IpAddress         _dns;
00078     IpAddress         _gateway;
00079     IpAddress         _subnet;
00080     static memhandle  inPacket;
00081     static memhandle  uipPacket;
00082     static uint8_t    uipHeaderLen;
00083     static uint8_t    packetState;
00084     DhcpClient        dhcpClient;
00085     Timer             periodicTimer;
00086     void              init(const uint8_t* mac);
00087     bool              network_send();
00088     friend class      TcpServer;
00089     friend class      TcpClient;
00090     friend class      UdpSocket;
00091 #if UIP_UDP
00092     uint16_t          upper_layer_chksum(uint8_t proto);
00093 #endif
00094     friend uint16_t   uip_ipchksum();
00095     friend uint16_t   uip_tcpchksum();
00096     friend uint16_t   uip_udpchksum();
00097     friend void       uipclient_appcall();
00098     friend void       uipudp_appcall();
00099 
00100 #if UIP_CONF_IPV6
00101     uint16_t          uip_icmp6chksum ();
00102 #endif
00103 };
00104 
00105 #endif