![](/media/cache/profiles/3f4243a6f681f2920ac3e95a63517274.50x50_q85.jpg)
code that uses Watchdog to reset Mbed every 30seconds. After 30-60mins, the ethernet interface fails to setup() after WatchDog reset.
Diff: EthernetNetIf/LPC1768/if/lwip/lwipNetTcpSocket.h
- Revision:
- 0:0ce833f21e63
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/EthernetNetIf/LPC1768/if/lwip/lwipNetTcpSocket.h Thu Jun 07 05:44:29 2012 +0000 @@ -0,0 +1,90 @@ + +/* +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. +*/ + +#ifndef LWIPNETTCPSOCKET_H +#define LWIPNETTCPSOCKET_H + +#define NET_LWIP_STACK 1 +#include "if/net/nettcpsocket.h" +#include "LwipNetIf.h" + +#include "stdint.h" + +//Implements NetTcpSockets over lwIP raw API + +struct tcp_pcb; //Represents a Tcp Connection, "Protocol Control Block", see rawapi.txt & tcp.h +struct pbuf; //Lwip Buffer Container + +typedef signed char err_t; +typedef uint16_t u16_t; + +class LwipNetTcpSocket: public NetTcpSocket +{ +public: + LwipNetTcpSocket(tcp_pcb* pPcb = NULL); //Passes a pcb if already created (by an accept req for instance), in that case transfers ownership + virtual ~LwipNetTcpSocket(); + + virtual NetTcpSocketErr bind(const Host& me); + virtual NetTcpSocketErr listen(); + virtual NetTcpSocketErr connect(const Host& host); + virtual NetTcpSocketErr accept(Host* pClient, NetTcpSocket** ppNewNetTcpSocket); + + virtual int /*if < 0 : NetTcpSocketErr*/ send(const char* buf, int len); + virtual int /*if < 0 : NetTcpSocketErr*/ recv(char* buf, int len); + + virtual NetTcpSocketErr close(); + + virtual NetTcpSocketErr poll(); + +protected: + volatile tcp_pcb* m_pPcb; + + //Events callbacks from lwIp + err_t acceptCb(tcp_pcb* newpcb, err_t err); + err_t connectedCb(tcp_pcb* tpcb, err_t err); + + void errCb(err_t err); + + err_t sentCb(tcp_pcb* tpcb, u16_t len); + err_t recvCb(tcp_pcb* tpcb, pbuf *p, err_t err); + +private: + void cleanUp(); //Flush input buffer + +// queue<tcp_pcb*> m_lpInPcb; //Incoming connections that have not been accepted yet + queue<LwipNetTcpSocket*> m_lpInNetTcpSocket; //Incoming connections that have not been accepted yet + + volatile pbuf* m_pReadPbuf; //Ptr to read buffer + + //Static callbacks : Transforms into a C++ callback + static err_t sAcceptCb(void *arg, struct tcp_pcb *newpcb, err_t err); + static err_t sConnectedCb(void *arg, struct tcp_pcb *tpcb, err_t err); + + static void sErrCb(void *arg, err_t err); + + static err_t sSentCb(void *arg, struct tcp_pcb *tpcb, u16_t len); + static err_t sRecvCb(void *arg, struct tcp_pcb *tpcb, struct pbuf *p, err_t err); + +}; + +#endif