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Embedded C project:18/12/2014
Dependencies: DS1307 TextLCD mbed
Diff: NetServices/if/ppp/PPPNetIf.h
- Revision:
- 0:8d87bc453349
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/NetServices/if/ppp/PPPNetIf.h Thu Dec 18 09:35:49 2014 +0000 @@ -0,0 +1,100 @@ + +/* +Copyright (c) 2010 Donatien Garnier (donatiengar [at] gmail [dot] com) + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +THE SOFTWARE. +*/ + +/** \file +PPP Generic network interface header file +*/ + +//This is a backend for PPP, using lwIP + +#ifndef PPPNETIF_H +#define PPPNETIF_H + +#include "mbed.h" + +//For now, only a GPRS Modem is supported, +//but we could easily split this class into a base class + two derived classes +// (PPP over GPRS + PPP over Serial Modem) +#include "drv/gprs/GPRSModem.h" +#include "if/lwip/LwipNetIf.h" + +///PPP connection error codes +enum PPPErr +{ + __PPP_MIN = -0xFFFF, + PPP_MODEM, ///<AT error returned + PPP_NETWORK, ///<Network is down + PPP_PROTOCOL, ///<PPP Protocol error + PPP_CLOSED, ///<Connection is closed + PPP_OK = 0 ///<Success +}; + +enum PPPStatus +{ + PPP_CONNECTING, + PPP_CONNECTED, + PPP_DISCONNECTED, +}; + +class PPPNetIf : public LwipNetIf +{ +public: + PPPNetIf(GPRSModem* pIf); + virtual ~PPPNetIf(); + + #if 0 + PPPErr open(Serial* pSerial); + #endif + + PPPErr GPRSConnect(const char* apn, const char* userId, const char* password); //Connect using GPRS + PPPErr ATConnect(const char* number); //Connect using a "classic" voice modem or GSM + + virtual void poll(); + + PPPErr disconnect(); + + #if 0 + PPPErr close(); + #endif + +protected: + GPRSModem* m_pIf; + +private: + void pppCallback(int errCode, void *arg); + + static void sPppCallback(void *ctx, int errCode, void *arg) //Callback from ppp.c + { return ((PPPNetIf*)ctx)->pppCallback(errCode, arg); } + + bool m_connected; + /*bool m_open;*/ + volatile PPPStatus m_status; + volatile int m_fd; //PPP Session descriptor + + //int m_id; + + uint8_t* m_buf; + +}; + +#endif