Diff: NetServices/drv/gprs/GPRSModem.cpp

Revision:

2:609dd3a73f33

Parent:

1:f5ac63519541

--- a/NetServices/drv/gprs/GPRSModem.cpp	Wed Mar 05 06:14:02 2014 -0800
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,292 +0,0 @@
-
-/*
-Copyright (c) 2010 Donatien Garnier (donatiengar [at] gmail [dot] com)
- 
-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.
-*/
-
-#include "GPRSModem.h"
-#include "mbed.h"
-
-//#define __DEBUG
-#include "dbg/dbg.h"
-
-#define WAIT_BTW_NETW_POLLS 3.
-
-#include "netCfg.h"
-#if NET_GPRS
-
-GPRSModem::GPRSModem() : ATIf()
-{
-  DBG("New GPRSModem@%p\n", this);
-}
-
-GPRSModem::~GPRSModem()
-{
-
-}
-  
-GPRSErr GPRSModem::getNetworkState()
-{
-  ATIf::flushBuffer();
-  /*
-  netState can be : (Telit_AT_Reference_Guide.pdf p.98)
-  0 - not registered, ME is not currently searching a new operator to register to
-  1 - registered, home network
-  2 - not registered, but ME is currently searching a new operator to register to
-  3 - registration denied
-  4 - unknown
-  5 - registered, roaming
-  */
- // DBG("Network?...\r\n");
-  ATIf::setReadMode(false); //Discard chars
-  ATIf::setTimeout(10000);
-  ATIf::setLineMode(true); //Line mode
-  int netState = 0;
-  int len;
-  len = ATIf::printf("AT+CREG?"); //Registered ?
-  if(!len) DBG("\r\nprintf - len=%d\r\n",len);
-  if(!len)
-    return GPRS_MODEM; //Nothing was actually sent
-    
-  len = ATIf::scanf("+CREG: 0,%d", &netState); //Get status
-  if(len != 1) DBG("\r\nscanf - len=%d\r\n",len);
-  if(len != 1) //Likely +CMS ERROR was returned
-    return GPRS_MODEM;
-
-  if( !!ATIf::checkOK() ) //Should not be a problem
-    {DBG("\r\nNOK\r\n"); return GPRS_MODEM; }
-    
-  switch(netState)
-  {
-  case 1:
-  case 5: //TODO: Option allow roaming
-    DBG("\r\nNetwork is up!\r\n");
-    return GPRS_OK;
-  case 3:
-    DBG("\r\nAccess to network denied.\r\n");
-    return GPRS_DENIED;
-  case 0:
-    DBG("\r\nNo network.\r\n");
-    return GPRS_NONETWORK;
-  case 4:
-  case 2:
-    //DBG("\r\nRegistering...\r\n");
-    return GPRS_REGISTERING;
-  }
-    
-  return GPRS_MODEM; // Should not reach this
-  
-}
-
-GPRSErr GPRSModem::setNetworkUp()
-{
-  ATIf::flushBuffer();
-  GPRSErr err = GPRS_REGISTERING;
-  while(true)
-  {
-    err = getNetworkState();
-    if(err != GPRS_REGISTERING)
-      break;
-    wait(WAIT_BTW_NETW_POLLS);
-  }
-  return err;
-}
-
-//Same, but for GPRS
-GPRSErr GPRSModem::getGPRSState()
-{
-  ATIf::flushBuffer();
-  /*
-  netState can be : (Telit_AT_Reference_Guide.pdf p.192)
-  0 - not registered, terminal is not currently searching a new operator to register to
-  1 - registered, home network
-  2 - not registered, but terminal is currently searching a new operator to register to
-  3 - registration denied
-  4 - unknown
-  5 - registered, roaming
-  */
-  
-  DBG("GPRS?...\r\n");
-  ATIf::setReadMode(false); //Discard chars
-  ATIf::setTimeout(10000);
-  ATIf::setLineMode(true); //Line mode
-  int netState = 0;
-  int len;
-  len = ATIf::printf("AT+CGREG?"); //Registered ?
-  if(!len)
-    return GPRS_MODEM; //Nothing was actually sent
-    
-  len = ATIf::scanf("+CGREG: %*d,%d", &netState); //Get GPRS status, see GSM 07.07 spec as Telit AT ref is wrong
-  if(len != 1) DBG("\r\nscanf - len=%d\r\n",len);
-  if(len != 1) //Likely +CMS ERROR was returned
-    return GPRS_MODEM;
-
-  if( !!ATIf::checkOK() ) //Should not be a problem
-    return GPRS_MODEM;
-    
-  switch(netState)
-  {
-  case 1:
-  case 5: //TODO: Option allow roaming
-    DBG("\r\nNetwork is up!\r\n");
-    return GPRS_OK;
-  case 3:
-    DBG("\r\nAccess to network denied.\r\n");
-    return GPRS_DENIED;
-  case 0:
-    DBG("\r\nNo network.\r\n");
-    return GPRS_NONETWORK;
-  case 4:
-  case 2:
-    DBG("\r\nRegistering...\r\n");
-    return GPRS_REGISTERING;
-  }
-    
-  return GPRS_MODEM; // Should not reach this
-  
-}
-
-GPRSErr GPRSModem::setGPRSUp()
-{
-  ATIf::flushBuffer();
-  GPRSErr err;
-  
-  err = setNetworkUp();
-  if(err)
-    return err;
-  
-  DBG("\r\nAttaching GPRS...\r\n");
-  ATIf::setReadMode(false); //Discard chars
-  ATIf::setTimeout(10000);
-  ATIf::setLineMode(true); //Line mode
-  int len;  
-  
-  err = getGPRSState();
-  if(err == GPRS_NONETWORK)
-  {  
-    len = ATIf::printf("AT+CGATT=1"); //Attach
-    if(!len)
-      return GPRS_MODEM; //Nothing was actually sent  
-
-    if( !!ATIf::checkOK() ) //Should not be a problem
-      return GPRS_MODEM;
-  }
-  
-  while(true)
-  {
-    err = getGPRSState();
-    if(err != GPRS_REGISTERING)
-      break;
-    wait(WAIT_BTW_NETW_POLLS);
-  }
-  return err;
-}
-
-GPRSErr GPRSModem::setGPRSDown()
-{ 
-  ATIf::flushBuffer();
-  DBG("\r\nDetaching GPRS...\r\n");
-  ATIf::setReadMode(false); //Discard chars
-  ATIf::setTimeout(10000);
-  ATIf::setLineMode(true); //Line mode
-  int len;
-  
-  len = ATIf::printf("AT+CGATT=0"); //Detach
-  if(!len)
-    return GPRS_MODEM; //Nothing was actually sent  
-
-  if( !!ATIf::checkOK() ) //Should not be a problem
-    return GPRS_MODEM;
- 
-  return GPRS_OK;
-}
-
-  
-GPRSErr GPRSModem::connect(const char* apn /*=NULL*/)
-{
-  ATIf::flushBuffer();
-  GPRSErr err;
-    
-  ATIf::setReadMode(false); //Discard chars
-  ATIf::setTimeout(5000);
-  ATIf::setLineMode(true); //Line mode
-  
-  DBG("\r\nConnecting...\r\n");  
-  
-  int len;
-  
-  if( apn != NULL ) //Config APN
-  {
-    len = ATIf::printf("AT+CGDCONT=1,\"IP\",\"%s\"",apn); //Define APN
-    if(!len)
-      return GPRS_MODEM; //Nothing was actually sent
-
-    if( !!ATIf::checkOK() ) //Should not be a problem
-      return GPRS_MODEM;
-  }
-    
-  err = setGPRSUp();
-  if(err)
-    return err;
-    
-  ATIf::setReadMode(false); //Discard chars
-  ATIf::setTimeout(60000);
-  ATIf::setLineMode(true); //Line mode
-  //
-  //len = ATIf::printf("AT+CGDATA=\"PPP\",1"); //Connect using PDP context #1
-//  len = ATIf::printf("ATDT *99***1#");
-  len = ATIf::printf("ATDT *99#");
-  if(!len)
-    return GPRS_MODEM; //Nothing was actually sent
-    
-  len = ATIf::scanf("CONNECT"); //Beginning of session
-  if(len != 0) //Likely +CME ERROR was returned or NO CARRIER
-    return GPRS_MODEM;
-    
-  //ATIf::setSignals(false);
-  
-  DBG("\r\nConnected.\r\n");
-    
-  return GPRS_OK; //Time to enter a PPP Session !   
-  
-}
-
-GPRSErr GPRSModem::disconnect()
-{
-  ATIf::flushBuffer();
-  ATIf::setReadMode(false); //Discard chars
-  ATIf::setTimeout(5000);
-  ATIf::setLineMode(true); //Line mode
-  
-  if( !!ATIf::checkOK() ) //Should be present at the end of connection
-    return GPRS_MODEM;
-  
-  GPRSErr err;  
-  err = setGPRSDown();
-  if(err)
-    return err;
-    
-  DBG("\r\nDisconnected.\r\n");
-    
-  return GPRS_OK;
-}
-
-#endif
-