SNMP agent attached to SPI slave

Dependencies:   mbed

Committer:
lorcansmith
Date:
Mon Aug 13 15:07:40 2012 +0000
Revision:
0:2a53a4c3238c
v1.1 release includes ioAlarm traps

Who changed what in which revision?

UserRevisionLine numberNew contents of line
lorcansmith 0:2a53a4c3238c 1
lorcansmith 0:2a53a4c3238c 2 /*
lorcansmith 0:2a53a4c3238c 3 Copyright (c) 2010 Donatien Garnier (donatiengar [at] gmail [dot] com)
lorcansmith 0:2a53a4c3238c 4
lorcansmith 0:2a53a4c3238c 5 Permission is hereby granted, free of charge, to any person obtaining a copy
lorcansmith 0:2a53a4c3238c 6 of this software and associated documentation files (the "Software"), to deal
lorcansmith 0:2a53a4c3238c 7 in the Software without restriction, including without limitation the rights
lorcansmith 0:2a53a4c3238c 8 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
lorcansmith 0:2a53a4c3238c 9 copies of the Software, and to permit persons to whom the Software is
lorcansmith 0:2a53a4c3238c 10 furnished to do so, subject to the following conditions:
lorcansmith 0:2a53a4c3238c 11
lorcansmith 0:2a53a4c3238c 12 The above copyright notice and this permission notice shall be included in
lorcansmith 0:2a53a4c3238c 13 all copies or substantial portions of the Software.
lorcansmith 0:2a53a4c3238c 14
lorcansmith 0:2a53a4c3238c 15 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
lorcansmith 0:2a53a4c3238c 16 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
lorcansmith 0:2a53a4c3238c 17 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
lorcansmith 0:2a53a4c3238c 18 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
lorcansmith 0:2a53a4c3238c 19 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
lorcansmith 0:2a53a4c3238c 20 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
lorcansmith 0:2a53a4c3238c 21 THE SOFTWARE.
lorcansmith 0:2a53a4c3238c 22 */
lorcansmith 0:2a53a4c3238c 23
lorcansmith 0:2a53a4c3238c 24 #ifndef LWIPNETUDPSOCKET_H
lorcansmith 0:2a53a4c3238c 25 #define LWIPNETUDPSOCKET_H
lorcansmith 0:2a53a4c3238c 26
lorcansmith 0:2a53a4c3238c 27 #define NET_LWIP_STACK 1
lorcansmith 0:2a53a4c3238c 28 //#include "lwip/ip_addr.h"
lorcansmith 0:2a53a4c3238c 29 #include "if/net/netudpsocket.h"
lorcansmith 0:2a53a4c3238c 30 #include "LwipNetIf.h"
lorcansmith 0:2a53a4c3238c 31
lorcansmith 0:2a53a4c3238c 32 #include "stdint.h"
lorcansmith 0:2a53a4c3238c 33
lorcansmith 0:2a53a4c3238c 34 #include <list>
lorcansmith 0:2a53a4c3238c 35 using std::list;
lorcansmith 0:2a53a4c3238c 36
lorcansmith 0:2a53a4c3238c 37 //Implements NetUdpSockets over lwIP raw API
lorcansmith 0:2a53a4c3238c 38
lorcansmith 0:2a53a4c3238c 39 struct udp_pcb; //Represents a Udp Connection, "Protocol Control Block", see rawapi.txt & udp.h
lorcansmith 0:2a53a4c3238c 40 struct pbuf; //Lwip Buffer Container
lorcansmith 0:2a53a4c3238c 41 typedef struct ip_addr ip_addr_t;
lorcansmith 0:2a53a4c3238c 42
lorcansmith 0:2a53a4c3238c 43 //typedef signed char err_t;
lorcansmith 0:2a53a4c3238c 44 typedef uint16_t u16_t;
lorcansmith 0:2a53a4c3238c 45
lorcansmith 0:2a53a4c3238c 46 class LwipNetUdpSocket: public NetUdpSocket
lorcansmith 0:2a53a4c3238c 47 {
lorcansmith 0:2a53a4c3238c 48 public:
lorcansmith 0:2a53a4c3238c 49 LwipNetUdpSocket(udp_pcb* pPcb = NULL); //Passes a pcb if already created (by an accept req for instance), in that case transfers ownership
lorcansmith 0:2a53a4c3238c 50 virtual ~LwipNetUdpSocket();
lorcansmith 0:2a53a4c3238c 51
lorcansmith 0:2a53a4c3238c 52 virtual NetUdpSocketErr bind(const Host& me);
lorcansmith 0:2a53a4c3238c 53
lorcansmith 0:2a53a4c3238c 54 virtual int /*if < 0 : NetUdpSocketErr*/ sendto(const char* buf, int len, Host* pHost);
lorcansmith 0:2a53a4c3238c 55 virtual int /*if < 0 : NetUdpSocketErr*/ recvfrom(char* buf, int len, Host* pHost);
lorcansmith 0:2a53a4c3238c 56
lorcansmith 0:2a53a4c3238c 57 virtual NetUdpSocketErr close();
lorcansmith 0:2a53a4c3238c 58
lorcansmith 0:2a53a4c3238c 59 virtual NetUdpSocketErr poll();
lorcansmith 0:2a53a4c3238c 60
lorcansmith 0:2a53a4c3238c 61 protected:
lorcansmith 0:2a53a4c3238c 62 volatile udp_pcb* m_pPcb;
lorcansmith 0:2a53a4c3238c 63
lorcansmith 0:2a53a4c3238c 64 //Event callback from lwIp
lorcansmith 0:2a53a4c3238c 65 void recvCb(udp_pcb* pcb, struct pbuf* p, ip_addr_t* addr, u16_t port);
lorcansmith 0:2a53a4c3238c 66
lorcansmith 0:2a53a4c3238c 67 private:
lorcansmith 0:2a53a4c3238c 68 void cleanUp(); //Flush input buffer
lorcansmith 0:2a53a4c3238c 69 struct InPacket
lorcansmith 0:2a53a4c3238c 70 {
lorcansmith 0:2a53a4c3238c 71 volatile pbuf* pBuf;
lorcansmith 0:2a53a4c3238c 72 ip_addr_t addr;
lorcansmith 0:2a53a4c3238c 73 u16_t port;
lorcansmith 0:2a53a4c3238c 74 };
lorcansmith 0:2a53a4c3238c 75
lorcansmith 0:2a53a4c3238c 76 list<InPacket> m_lInPkt;
lorcansmith 0:2a53a4c3238c 77 IpAddr m_multicastGroup;
lorcansmith 0:2a53a4c3238c 78
lorcansmith 0:2a53a4c3238c 79 //Static callback : Transforms into a C++ callback
lorcansmith 0:2a53a4c3238c 80 static void sRecvCb(void *arg, struct udp_pcb *pcb, struct pbuf *p, ip_addr_t *addr, u16_t port);
lorcansmith 0:2a53a4c3238c 81
lorcansmith 0:2a53a4c3238c 82 };
lorcansmith 0:2a53a4c3238c 83
lorcansmith 0:2a53a4c3238c 84 #endif