Darran Shepherd
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AutoIpNetStack
Net stack with AutoIP enabled
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PPPNetIf.h
00001 00002 /* 00003 Copyright (c) 2010 Donatien Garnier (donatiengar [at] gmail [dot] com) 00004 00005 Permission is hereby granted, free of charge, to any person obtaining a copy 00006 of this software and associated documentation files (the "Software"), to deal 00007 in the Software without restriction, including without limitation the rights 00008 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 00009 copies of the Software, and to permit persons to whom the Software is 00010 furnished to do so, subject to the following conditions: 00011 00012 The above copyright notice and this permission notice shall be included in 00013 all copies or substantial portions of the Software. 00014 00015 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 00016 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 00017 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 00018 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 00019 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 00020 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 00021 THE SOFTWARE. 00022 */ 00023 00024 //This is a NetServer-like backend for PPP, using lwIP 00025 00026 #ifndef PPPNETIF_H 00027 #define PPPNETIF_H 00028 00029 #include "mbed.h" 00030 00031 //For now, only a GPRS Modem is supported, 00032 //but we could easily split this class into a base class + two derived classes 00033 // (PPP over GPRS + PPP over Serial Modem) 00034 #include "drv/gprs/GPRSModem.h" 00035 #include "if/lwip/LwipNetIf.h" 00036 00037 enum PPPErr 00038 { 00039 __PPP_MIN = -0xFFFF, 00040 PPP_MODEM, //ATErr returned 00041 PPP_NETWORK, 00042 PPP_PROTOCOL, 00043 PPP_CLOSED, 00044 PPP_OK = 0 00045 }; 00046 00047 enum PPPStatus 00048 { 00049 PPP_CONNECTING, 00050 PPP_CONNECTED, 00051 PPP_DISCONNECTED, 00052 }; 00053 00054 class PPPNetIf : public LwipNetIf 00055 { 00056 public: 00057 PPPNetIf(GPRSModem* pIf); 00058 virtual ~PPPNetIf(); 00059 00060 #if 0 00061 PPPErr open(Serial* pSerial); 00062 #endif 00063 00064 PPPErr GPRSConnect(const char* apn, const char* userId, const char* password); //Connect using GPRS 00065 PPPErr ATConnect(const char* number); //Connect using a "classic" voice modem or GSM 00066 00067 virtual void poll(); 00068 00069 PPPErr disconnect(); 00070 00071 #if 0 00072 PPPErr close(); 00073 #endif 00074 00075 protected: 00076 GPRSModem* m_pIf; 00077 00078 private: 00079 void pppCallback(int errCode, void *arg); 00080 00081 static void sPppCallback(void *ctx, int errCode, void *arg) //Callback from ppp.c 00082 { return ((PPPNetIf*)ctx)->pppCallback(errCode, arg); } 00083 00084 bool m_connected; 00085 /*bool m_open;*/ 00086 volatile PPPStatus m_status; 00087 volatile int m_fd; //PPP Session descriptor 00088 00089 //int m_id; 00090 00091 uint8_t* m_buf; 00092 00093 }; 00094 00095 #endif
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