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.

Revision:
1:4a23efdf0da9
Child:
5:9a57892f206c
diff -r bb116b4ed7b7 -r 4a23efdf0da9 link/LinkMonitor.h
--- /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_ */