![](/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/eth/EthernetNetIf.h
- Revision:
- 0:0ce833f21e63
diff -r 000000000000 -r 0ce833f21e63 EthernetNetIf/LPC1768/if/eth/EthernetNetIf.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/EthernetNetIf/LPC1768/if/eth/EthernetNetIf.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. +*/ + +/** \file +Ethernet network interface header file +*/ + +#ifndef ETHERNETNETIF_H +#define ETHERNETNETIF_H + +struct netif; + +#include "mbed.h" + +#include "if/lwip/LwipNetIf.h" + +///Ethernet network interface return codes +enum EthernetErr +{ + __ETH_MIN = -0xFFFF, + ETH_TIMEOUT, ///<Timeout during setup + ETH_OK = 0 ///<Success +}; + +///Ethernet network interface +/** +This class provides Ethernet connectivity to the stack +*/ +class EthernetNetIf : public LwipNetIf +{ +public: + ///Instantiates the Interface and register it against the stack, DHCP will be used + EthernetNetIf(); //W/ DHCP + + ///Instantiates the Interface and register it against the stack, DHCP will not be used + /** + IpAddr is a container class that can be constructed with either 4 bytes or no parameters for a null IP address. + */ + EthernetNetIf(IpAddr ip, IpAddr netmask, IpAddr gateway, IpAddr dns); //W/o DHCP + virtual ~EthernetNetIf(); + + ///Brings the interface up + /** + Uses DHCP if necessary + @param timeout_ms : You can set the timeout parameter in milliseconds, if not it defaults to 15s + @return : ETH_OK on success or ETH_TIMEOUT on timeout + */ + EthernetErr setup(int timeout_ms = 15000); + + virtual void poll(); + +private: + Timer m_ethArpTimer; + Timer m_dhcpCoarseTimer; + Timer m_dhcpFineTimer; + Timer m_igmpTimer; + + bool m_useDhcp; + + netif* m_pNetIf; + + IpAddr m_netmask; + IpAddr m_gateway; + + const char* m_hostname; + +}; + +#endif +