tool/mbed/mbed-sdk/libraries/net/cellular/CellularModem/ip/LwIPInterface.cpp

   1 /* LwIPInterface.cpp */
   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
  21 #include "core/fwk.h"
  22
  23 #include "LwIPInterface.h"
  24
  25 extern "C" {
  26 #include "lwip/init.h"
  27 #include "lwip/tcpip.h"
  28 }
  29
  30 LwIPInterface::LwIPInterface() : IPInterface(), m_rdySphre(1)
  31 {
  32   m_rdySphre.wait();
  33 }
  34
  35 LwIPInterface::~LwIPInterface()
  36 {
  37
  38 }
  39
  40 int LwIPInterface::init() //Init LwIP-specific stuff, create the right bindings, etc
  41 {
  42   //lwip_init(); //All LwIP initialisation functions called on a per-module basis (according to lwipopts.h)
  43   tcpip_init(LwIPInterface::tcpipRdyCb, this); //Start TCP/IP processing thread
  44   m_rdySphre.wait(); //Wait for callback to produce resource
  45   return OK;
  46 }
  47
  48 /*static*/ void LwIPInterface::tcpipRdyCb(void* ctx) //Result of TCP/IP thread launch
  49 {
  50   LwIPInterface* pIf = (LwIPInterface*) ctx;
  51   pIf->m_rdySphre.release();
  52 }