![](/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/LPC2368/if/lwip/lwipNetUdpSocket.h
- Revision:
- 0:0ce833f21e63
diff -r 000000000000 -r 0ce833f21e63 EthernetNetIf/LPC2368/if/lwip/lwipNetUdpSocket.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/EthernetNetIf/LPC2368/if/lwip/lwipNetUdpSocket.h Thu Jun 07 05:44:29 2012 +0000 @@ -0,0 +1,84 @@ + +/* +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 LWIPNETUDPSOCKET_H +#define LWIPNETUDPSOCKET_H + +#define NET_LWIP_STACK 1 +//#include "lwip/ip_addr.h" +#include "if/net/netudpsocket.h" +#include "LwipNetIf.h" + +#include "stdint.h" + +#include <list> +using std::list; + +//Implements NetUdpSockets over lwIP raw API + +struct udp_pcb; //Represents a Udp Connection, "Protocol Control Block", see rawapi.txt & udp.h +struct pbuf; //Lwip Buffer Container +typedef struct ip_addr ip_addr_t; + +//typedef signed char err_t; +typedef uint16_t u16_t; + +class LwipNetUdpSocket: public NetUdpSocket +{ +public: + LwipNetUdpSocket(udp_pcb* pPcb = NULL); //Passes a pcb if already created (by an accept req for instance), in that case transfers ownership + virtual ~LwipNetUdpSocket(); + + virtual NetUdpSocketErr bind(const Host& me); + + virtual int /*if < 0 : NetUdpSocketErr*/ sendto(const char* buf, int len, Host* pHost); + virtual int /*if < 0 : NetUdpSocketErr*/ recvfrom(char* buf, int len, Host* pHost); + + virtual NetUdpSocketErr close(); + + virtual NetUdpSocketErr poll(); + +protected: + volatile udp_pcb* m_pPcb; + + //Event callback from lwIp + void recvCb(udp_pcb* pcb, struct pbuf* p, ip_addr_t* addr, u16_t port); + +private: + void cleanUp(); //Flush input buffer + struct InPacket + { + volatile pbuf* pBuf; + ip_addr_t addr; + u16_t port; + }; + + list<InPacket> m_lInPkt; + IpAddr m_multicastGroup; + + //Static callback : Transforms into a C++ callback + static void sRecvCb(void *arg, struct udp_pcb *pcb, struct pbuf *p, ip_addr_t *addr, u16_t port); + +}; + +#endif