Base library for cellular modem implementations
Dependencies: Socket lwip-sys lwip
Dependents: CellularUSBModem CellularUSBModem
Deprecated
This is an mbed 2 networking library. For mbed 5, the networking libraries have been revised to better support additional network stacks and thread safety here.
Diff: link/LinkMonitor.h
- Revision:
- 1:4a23efdf0da9
- Child:
- 5:9a57892f206c
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/link/LinkMonitor.h Thu Oct 17 12:29:05 2013 +0300 @@ -0,0 +1,90 @@ +/* LinkMonitor.h */ +/* Copyright (C) 2012 mbed.org, MIT License + * + * 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. + */ + +#ifndef LINKMONITOR_H_ +#define LINKMONITOR_H_ + +#include "core/fwk.h" + +#include "rtos.h" + +#include "at/ATCommandsInterface.h" + +/** Component to monitor link quality + * + */ +class LinkMonitor : protected IATCommandsProcessor +{ +public: + /** Create LinkMonitor instance + @param pIf Pointer to the ATCommandsInterface instance to use + */ + LinkMonitor(ATCommandsInterface* pIf); + + /** Initialize monitor + */ + int init(); + + /** Registration State + */ + enum REGISTRATION_STATE + { + REGISTRATION_STATE_UNKNOWN, //!< Unknown + REGISTRATION_STATE_REGISTERING, //!< Registering + REGISTRATION_STATE_DENIED, //!< Denied + REGISTRATION_STATE_NO_SIGNAL, //!< No Signal + REGISTRATION_STATE_HOME_NETWORK, //!< Registered on home network + REGISTRATION_STATE_ROAMING //!< Registered on roaming network + }; + + /** Bearer type + */ + enum BEARER + { + BEARER_UNKNOWN, //!< Unknown + BEARER_GSM, //!< GSM (2G) + BEARER_EDGE, //!< EDGE (2.5G) + BEARER_UMTS, //!< UMTS (3G) + BEARER_HSPA, //!< HSPA (3G+) + BEARER_LTE //!< LTE (4G) + }; + + /** Get link state + @param pRssi pointer to store the current RSSI in dBm, between -51 dBm and -113 dBm if known; -51 dBm means -51 dBm or more; -113 dBm means -113 dBm or less; 0 if unknown + @param pRegistrationState pointer to store the current registration state + @param pBearer pointer to store the current bearer + @return 0 on success, error code on failure + */ + int getState(int* pRssi, REGISTRATION_STATE* pRegistrationState, BEARER* pBearer); + +protected: + //IATCommandsProcessor + virtual int onNewATResponseLine(ATCommandsInterface* pInst, const char* line); + virtual int onNewEntryPrompt(ATCommandsInterface* pInst); + +private: + ATCommandsInterface* m_pIf; + + int m_rssi; + REGISTRATION_STATE m_registrationState; + BEARER m_bearer; + +}; + +#endif /* LINKMONITOR_H_ */