tmk_core/tool/mbed/mbed-sdk/libraries/net/cellular/UbloxUSBModem/UbloxUSBGSMModem.h

   1 /* VodafoneUSBModem.h */
   2 /* Copyright (C) 2012 mbed.org, MIT License
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
   5  * and associated documentation files (the "Software"), to deal in the Software without restriction,
   6  * including without limitation the rights to use, copy, modify, merge, publish, distribute,
   7  * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
   8  * furnished to do so, subject to the following conditions:
   9  *
  10  * The above copyright notice and this permission notice shall be included in all copies or
  11  * substantial portions of the Software.
  12  *
  13  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
  14  * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  15  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
  16  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  17  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  18  */
  19
  20 #ifndef UBLOXUSBGSMMODEM_H_
  21 #define UBLOXUSBGSMMODEM_H_
  22
  23 #include "core/fwk.h"
  24
  25 #include "WANDongle.h"
  26 #include "at/ATCommandsInterface.h"
  27 #include "serial/usb/USBSerialStream.h"
  28 #include "ip/PPPIPInterface.h"
  29 #include "sms/GSMSMSInterface.h"
  30 #include "ussd/USSDInterface.h"
  31 #include "link/LinkMonitor.h"
  32 #include "CellularModem.h"
  33
  34 /** u-blox WCDMA modem (LISA-U200)
  35  */
  36 class UbloxUSBGSMModem: public CellularModem
  37 {
  38 public:
  39   /** Create u-blox API instance
  40       @param powerGatingPin Optional pin commanding a power gating transistor on the modem's power line
  41       @param powerGatingOnWhenPinHigh true if the pin needs to be high to power the dongle, defaults to true
  42    */
  43   UbloxUSBGSMModem(PinName powerGatingPin = NC, bool powerGatingOnWhenPinHigh = true);
  44
  45   //Internet-related functions
  46
  47   /** Open a 3G internet connection
  48       @return 0 on success, error code on failure
  49   */
  50   virtual int connect(const char* apn = NULL, const char* user = NULL, const char* password = NULL);
  51
  52   /** Close the internet connection
  53      @return 0 on success, error code on failure
  54   */
  55   virtual int disconnect();
  56
  57
  58   /** Send a SM
  59      @param number The receiver's phone number
  60      @param message The message to send
  61      @return 0 on success, error code on failure
  62    */
  63   virtual int sendSM(const char* number, const char* message);
  64
  65
  66   /** Receive a SM
  67      @param number Pointer to a buffer to store the sender's phone number (must be at least 17 characters-long, including the sapce for the null-terminating char)
  68      @param message Pointer to a buffer to store the the incoming message
  69      @param maxLength Maximum message length that can be stored in buffer (including null-terminating character)
  70      @return 0 on success, error code on failure
  71    */
  72   virtual int getSM(char* number, char* message, size_t maxLength);
  73
  74   /** Get the number of SMs in the incoming box
  75      @param pCount pointer to store the number of unprocessed SMs on
  76      @return 0 on success, error code on failure
  77    */
  78   virtual int getSMCount(size_t* pCount);
  79
  80   /** Send a USSD command & wait for its result
  81     @param command The command to send
  82     @param result Buffer in which to store the result
  83     @param maxLength Maximum result length that can be stored in buffer (including null-terminating character)
  84     @return 0 on success, error code on failure
  85   */
  86   int sendUSSD(const char* command, char* result, size_t maxLength);
  87
  88   /** Get link state
  89     @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
  90     @param pRegistrationState pointer to store the current registration state
  91     @param pBearer pointer to store the current bearer
  92     @return 0 on success, error code on failure
  93   */
  94   int getLinkState(int* pRssi, LinkMonitor::REGISTRATION_STATE* pRegistrationState, LinkMonitor::BEARER* pBearer);
  95
  96   /** Get the ATCommandsInterface instance
  97     @return Pointer to the ATCommandsInterface instance
  98    */
  99   virtual ATCommandsInterface* getATCommandsInterface();
 100
 101   /** Switch power on or off
 102     In order to use this function, a pin name must have been entered in the constructor
 103     @param enable true to switch the dongle on, false to switch it off
 104     @return 0 on success, error code on failure
 105   */
 106   virtual int power(bool enable);
 107
 108 protected:
 109   bool power(); //< Turn power to USB dongle ON.
 110
 111   /** Initialise dongle.
 112    * The following actions are performed:
 113    * 1) Power up
 114    * 2) Establish USB connection to dongle
 115    * 3) Start AT interface thread
 116    * 4) Wait for network registration
 117    */
 118   int init();
 119
 120   /** De-initialise dongle.
 121    * The following actions are performed:
 122    * 1) Tear down PPP session
 123    * 2) Set SMS,USSD, and LinkMonitor subsystems to un-initialised
 124    * 3) Close the AT commands interface
 125    * 4) Tear down the USB connection to dongle
 126    */
 127   int cleanup();
 128
 129 private:
 130   WANDongle m_dongle;          //< Interface to USB connected WAN dongle
 131
 132   USBSerialStream m_atStream;  //< Serial interface to AT channel on modem
 133   USBSerialStream m_pppStream; //< Serial interface to PPP channel on modem
 134
 135   ATCommandsInterface m_at;    //< Interface to AT commands processing
 136
 137   GSMSMSInterface m_sms;       //< Interface to SMS manager (send/receive etc)
 138   USSDInterface m_ussd;        //< Interface to USSD manager (send etc)
 139   LinkMonitor m_linkMonitor;   //< Interface to link monitor (RSSI)
 140
 141   PPPIPInterface m_ppp;        //< Interface to PPP conection manager (IP assignment etc)
 142
 143   bool m_dongleConnected; //< Is the dongle physically connected (does the USB stack respond)? true/false
 144   bool m_ipInit;          //< Has PPIPInterface object (m_ppp) been initialised? true/false
 145   bool m_smsInit;         //< Has SMSInterface object (m_sms) been initialised? true/false
 146   bool m_ussdInit;        //< Has USSDInterface object (m_ussd) been initialised? true/false
 147   bool m_linkMonitorInit; //< Has LinkMonitor object (m_linkMonitor) been initialised? true/false
 148   bool m_atOpen;          //< Is the interface to the ATCommandsInterface open? true/false
 149
 150   PinName m_powerGatingPin;        //< Pin which toggles power gating
 151   bool m_powerGatingOnWhenPinHigh; //< Semantics of power gating (whether high or low toggles power gating)
 152 };
 153
 154
 155 #endif /* UBLOXMODEM_H_ */