Diff: Sms/IOTSMS.cpp

Revision:

7:fded23f50479

Child:

9:9f0578ff157a

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Sms/IOTSMS.cpp	Thu Oct 06 21:17:18 2016 +0000
@@ -0,0 +1,175 @@
+/* =====================================================================
+   Copyright © 2016, Avnet (R)
+
+   Contributors:
+     * James M Flynn, www.em.avnet.com 
+ 
+   Licensed under the Apache License, Version 2.0 (the "License"); 
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, 
+   software distributed under the License is distributed on an 
+   "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, 
+   either express or implied. See the License for the specific 
+   language governing permissions and limitations under the License.
+
+    @file          IOTSMS.cpp
+    @version       1.0
+    @date          Oct 2016
+
+======================================================================== */
+
+#ifndef __MODULE__
+#define __MODULE__ "WNCSms.cpp"
+#endif
+
+#include "IOTSMS.h"
+#include "mbed.h"
+#include "rtos.h"
+
+#include <cstdio>
+#include <cstring>
+
+//
+// this is a user specified function that checks for SMS messages if enabled.  It will
+// check to see if a message is available, and if there is, it will call the users
+// supplied call-back function with the message.
+//
+
+WNCSms::WNCSms(void ) : m_smsinit(false)  
+{
+    m_SMStimer = new RtosTimer(this, &WNCSms::m_smscheck, osTimerPeriodic);
+    m_SMStimer->stop();
+}
+
+void WNCSms::m_smscheck( void ){
+  
+  //we don't know what the frequency was the user selected to check for
+  //SMS messages, but we don't want to run into the problem where we are
+  //not completing our tasks wihin the timeperiod.  So stop the timer when
+  //we come in and start it when we leave.
+  //
+  if( WNCInterface::_pwnc->getWncStatus() == FATAL_FLAG )
+    FATAL_WNC_ERROR(void);
+    
+  m_SMStimer->stop();  //stop the timer while we check for SMS messages
+  M_LOCK;       
+  if( WNCInterface::_pwnc->readUnreadSMSText(&m_smsmsgs, true) ) {
+    for( int i=0; i< m_smsmsgs.msgCount; i++ ) {
+        m_MsgText.number = m_smsmsgs.e[i].number;
+        m_MsgText.date = m_smsmsgs.e[i].date;
+        m_MsgText.time = m_smsmsgs.e[i].time;
+        m_MsgText.msg = m_smsmsgs.e[i].msg;
+        m_callback.call(m_MsgText);
+        }
+    }
+  M_ULOCK;
+  m_SMStimer->start(m_timer);  //start it back up
+}
+
+//
+// initialize the IoT SMS class.  Allow a user to set a polling period to check for
+// SMS messages, and if one is recevied, call a uer defined function.  A caller can
+// not ask for a polling period with no call-back function, and they can not provide
+// a callback function with no polling period.
+//
+// Prior to initializing WNCSms, you must call and create a WNCInterface class object 
+// because the WNCSms object utilizes services of WNCInterface.
+//
+// Input:     poll - polling frequency in sec.
+//      m_callback - pointer to a user defined function
+// Output:
+//      0 if no error 
+//   != 0 if any error
+//
+int WNCSms::init(uint32_t p, void (*cb)(WNCSmsMsg& s)) {
+
+  if( WNCInterface::_pwnc->getWncStatus() == FATAL_FLAG )
+    FATAL_WNC_ERROR(fail);
+  
+  if( WNCInterface::_pwnc == NULL )  //must have already initialized WNCInterface
+    return -1;
+
+  if(( p == 0 && cb != NULL ) || (p != 0 && cb == NULL)) 
+    return -1;
+    
+  if( p != 0 && cb != NULL ) {
+    m_callback.attach(cb);
+    m_timer = p*1000;
+    m_SMStimer->start(m_timer);
+    }
+    
+  M_LOCK;
+  WNCInterface::_pwnc->deleteSMSTextFromMem('*');  //delete any message currently in storage
+  M_ULOCK;
+  m_smsinit = true;
+
+  return 0;
+}
+
+//
+// send a message to a user specified number.
+//
+int WNCSms::send(const string& number, const string& message) {
+
+  if( !m_smsinit )
+    return -1;
+  M_LOCK;
+  int ret=WNCInterface::_pwnc->sendSMSText(number.c_str(), message.c_str());
+  M_ULOCK;
+  return ret;
+  }
+
+
+//
+// get a message and put it into the callers string buffer.  When returned, this method will
+// let the caller know that there are more SMS messages to get or 0 when all messages have
+// been read.
+//
+// input:  pointer to a string for the senders number
+//         pointer to a string for the senders message
+// output: 0 if no additional messages available
+//        !0 if additional message available
+//
+
+int WNCSms::get(string& number, string& message) {
+  if( !m_smsinit )
+    return -1;
+
+  if( WNCInterface::_pwnc->getWncStatus() == FATAL_FLAG )
+    FATAL_WNC_ERROR(fail);
+  M_LOCK;
+  int ret = WNCInterface::_pwnc->readUnreadSMSText(&m_smsmsgs, true);
+  M_ULOCK;
+  return ret;
+  }
+  
+
+char * WNCSms::getSMSNbr( void ) {
+    char * ret=NULL;
+    string iccid_str;
+    static string msisdn_str;
+    
+    if( WNCInterface::_pwnc->getWncStatus() == FATAL_FLAG )
+      FATAL_WNC_ERROR(null);
+
+    M_LOCK;
+    if( !WNCInterface::_pwnc->getICCID(&iccid_str) ) {
+       M_ULOCK;
+       return NULL;
+       }
+      
+    if( WNCInterface::_pwnc->getWncStatus() == FATAL_FLAG ) {
+       M_ULOCK;
+       FATAL_WNC_ERROR(null);
+       }
+
+    if( WNCInterface::_pwnc->convertICCIDtoMSISDN(iccid_str, &msisdn_str) )
+        ret = (char*)msisdn_str.c_str();    
+    M_ULOCK;
+    return ret;
+}
+