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 #define UIP_LOGGING 1
00029 #include "mbed.h"
00030 #include "DhcpClient.h"
00031 #include "IpAddress.h"
00032 #include "utility/Enc28j60Eth.h"
00033 #include "TcpClient.h"
00034 #include "TcpServer.h"
00035 #include "UdpSocket.h"
00036 
00037 extern "C"
00038 {
00039 #include "utility/uip_timer.h"
00040 #include "utility/uip.h"
00041 #include "utility/util.h"
00042 }
00043 
00044 class UipEthernet
00045 {
00046 public:
00047     static UipEthernet* ethernet;
00048     static IpAddress    dnsServerAddress;
00049     Enc28j60Eth         enc28j60Eth;
00050 
00051     UipEthernet (const uint8_t mac[6], PinName mosi, PinName miso, PinName sck, PinName cs);
00052 
00053     int               connect(unsigned long timeout = 60);
00054     void              disconnect();
00055     void              set_network(uint8_t octet1, uint8_t octet2, uint8_t octet3, uint8_t octet4);
00056     void              set_network(IpAddress ip);
00057     void              set_network(IpAddress ip, IpAddress dns);
00058     void              set_network(IpAddress ip, IpAddress dns, IpAddress gateway);
00059     void              set_network(IpAddress ip, IpAddress dns, IpAddress gateway, IpAddress subnet);
00060     void              set_network(const char *ip_address, const char *netmask, const char *gateway);
00061     void              tick();
00062     IpAddress         localIP();
00063     IpAddress         subnetMask();
00064     IpAddress         gatewayIP();
00065     IpAddress         dnsServerIP();
00066     const char*       get_ip_address();
00067     void              get_ip_address(SocketAddress* addr);
00068     const char*       get_netmask();
00069     void              get_netmask(SocketAddress* addr);
00070     const char*       get_gateway();
00071     void              get_gateway(SocketAddress* addr);
00072     const char*       get_mqttFromDhcp();
00073     static uint16_t   chksum(uint16_t sum, const uint8_t* data, uint16_t len);
00074     static uint16_t   ipchksum();
00075     bool              stoip4(const char *ip4addr, size_t len, void *dest);
00076 private:
00077     uint8_t *const    _mac;
00078     IpAddress         _ip;
00079     IpAddress         _dns;
00080     IpAddress         _gateway;
00081     IpAddress         _subnet;
00082     static memhandle  inPacket;
00083     static memhandle  uipPacket;
00084     static uint8_t    uipHeaderLen;
00085     static uint8_t    packetState;
00086     DhcpClient        dhcpClient;
00087     Timer             periodicTimer;
00088     void              init(const uint8_t* mac);
00089     bool              network_send();
00090     friend class      TcpServer;
00091     friend class      TcpClient;
00092     friend class      UdpSocket;
00093 #if UIP_UDP
00094     uint16_t          upper_layer_chksum(uint8_t proto);
00095 #endif
00096     friend uint16_t   uip_ipchksum();
00097     friend uint16_t   uip_tcpchksum();
00098     friend uint16_t   uip_udpchksum();
00099     friend void       uipclient_appcall();
00100     friend void       uipudp_appcall();
00101 
00102 #if UIP_CONF_IPV6
00103     uint16_t          uip_icmp6chksum ();
00104 #endif
00105 };
00106 
00107 #endif