PHS module APM-002 library. see: https://developer.mbed.org/users/phsfan/notebook/abitusbmodem/
Dependencies: Socket lwip-sys lwip
Fork of AbitUSBModem by
PPPIPInterface.h
00001 /* PPPIPInterface.h */ 00002 /* Copyright (C) 2012 mbed.org, MIT License 00003 * 00004 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software 00005 * and associated documentation files (the "Software"), to deal in the Software without restriction, 00006 * including without limitation the rights to use, copy, modify, merge, publish, distribute, 00007 * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is 00008 * furnished to do so, subject to the following conditions: 00009 * 00010 * The above copyright notice and this permission notice shall be included in all copies or 00011 * substantial portions of the Software. 00012 * 00013 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING 00014 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 00015 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, 00016 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 00017 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 00018 */ 00019 00020 #ifndef PPPIPINTERFACE_H_ 00021 #define PPPIPINTERFACE_H_ 00022 00023 #include "core/fwk.h" 00024 00025 #include "LwIPInterface.h" 00026 00027 #include "lwip/sio.h" 00028 #include "at/ATCommandsInterface.h" 00029 00030 namespace rtos { 00031 class Semaphore; 00032 } 00033 using namespace rtos; 00034 00035 /** Interface using PPP to connect to an IP-based network 00036 * 00037 */ 00038 class PPPIPInterface : public LwIPInterface 00039 { 00040 public: 00041 PPPIPInterface(IOStream* pStream, IOStream* atStream, ATCommandsInterface* pIf, bool hangupViaATPort); 00042 ATCommandsInterface* m_pIf; 00043 virtual ~PPPIPInterface(); 00044 00045 int init(); //Init PPP-specific stuff, create the right bindings, etc 00046 int setup(const char* user, const char* pw); //Setup authentication 00047 00048 // should the modem hangup via AT port or PPP port? true for AT port 00049 void setHangupViaATPort(bool val); 00050 virtual int connect(); 00051 virtual int disconnect(); 00052 00053 private: 00054 int cleanupLink(); 00055 00056 static void linkStatusCb(void *ctx, int errCode, void *arg); //PPP link status 00057 Semaphore m_linkStatusSphre; 00058 int m_pppErrCode; 00059 00060 IOStream* m_pStream; //Serial stream 00061 00062 IOStream* m_atStream; 00063 bool m_streamAvail; 00064 00065 // if this is true, then PPP connection must be terminated using AT virtual serial port 00066 // this is usually because the ppp stream doesn't support +++ escape sequence 00067 bool m_hangupViaATPort; 00068 int m_pppd; 00069 00070 friend u32_t sio_write(sio_fd_t fd, u8_t *data, u32_t len); 00071 friend u32_t sio_read(sio_fd_t fd, u8_t *data, u32_t len); 00072 friend void sio_read_abort(sio_fd_t fd); 00073 }; 00074 00075 #endif /* PPPIPINTERFACE_H_ */
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