Library for Bert van Dam's book "ARM MICROCONTROLLERS" For all chapters with internet.

Dependencies:   mbed

Committer:
ICTFBI
Date:
Fri Oct 16 14:28:26 2015 +0000
Revision:
0:4edb816d21e1
Pre-update 16-10-15

Who changed what in which revision?

UserRevisionLine numberNew contents of line
ICTFBI 0:4edb816d21e1 1
ICTFBI 0:4edb816d21e1 2 /*
ICTFBI 0:4edb816d21e1 3 Copyright (c) 2010 Donatien Garnier (donatiengar [at] gmail [dot] com)
ICTFBI 0:4edb816d21e1 4
ICTFBI 0:4edb816d21e1 5 Permission is hereby granted, free of charge, to any person obtaining a copy
ICTFBI 0:4edb816d21e1 6 of this software and associated documentation files (the "Software"), to deal
ICTFBI 0:4edb816d21e1 7 in the Software without restriction, including without limitation the rights
ICTFBI 0:4edb816d21e1 8 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
ICTFBI 0:4edb816d21e1 9 copies of the Software, and to permit persons to whom the Software is
ICTFBI 0:4edb816d21e1 10 furnished to do so, subject to the following conditions:
ICTFBI 0:4edb816d21e1 11
ICTFBI 0:4edb816d21e1 12 The above copyright notice and this permission notice shall be included in
ICTFBI 0:4edb816d21e1 13 all copies or substantial portions of the Software.
ICTFBI 0:4edb816d21e1 14
ICTFBI 0:4edb816d21e1 15 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
ICTFBI 0:4edb816d21e1 16 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
ICTFBI 0:4edb816d21e1 17 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
ICTFBI 0:4edb816d21e1 18 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
ICTFBI 0:4edb816d21e1 19 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
ICTFBI 0:4edb816d21e1 20 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
ICTFBI 0:4edb816d21e1 21 THE SOFTWARE.
ICTFBI 0:4edb816d21e1 22 */
ICTFBI 0:4edb816d21e1 23
ICTFBI 0:4edb816d21e1 24 #ifndef LWIPNETUDPSOCKET_H
ICTFBI 0:4edb816d21e1 25 #define LWIPNETUDPSOCKET_H
ICTFBI 0:4edb816d21e1 26
ICTFBI 0:4edb816d21e1 27 #define NET_LWIP_STACK 1
ICTFBI 0:4edb816d21e1 28 //#include "lwip/ip_addr.h"
ICTFBI 0:4edb816d21e1 29 #include "if/net/netudpsocket.h"
ICTFBI 0:4edb816d21e1 30 #include "LwipNetIf.h"
ICTFBI 0:4edb816d21e1 31
ICTFBI 0:4edb816d21e1 32 #include "stdint.h"
ICTFBI 0:4edb816d21e1 33
ICTFBI 0:4edb816d21e1 34 #include <list>
ICTFBI 0:4edb816d21e1 35 using std::list;
ICTFBI 0:4edb816d21e1 36
ICTFBI 0:4edb816d21e1 37 //Implements NetUdpSockets over lwIP raw API
ICTFBI 0:4edb816d21e1 38
ICTFBI 0:4edb816d21e1 39 struct udp_pcb; //Represents a Udp Connection, "Protocol Control Block", see rawapi.txt & udp.h
ICTFBI 0:4edb816d21e1 40 struct pbuf; //Lwip Buffer Container
ICTFBI 0:4edb816d21e1 41 typedef struct ip_addr ip_addr_t;
ICTFBI 0:4edb816d21e1 42
ICTFBI 0:4edb816d21e1 43 //typedef signed char err_t;
ICTFBI 0:4edb816d21e1 44 typedef uint16_t u16_t;
ICTFBI 0:4edb816d21e1 45
ICTFBI 0:4edb816d21e1 46 class LwipNetUdpSocket: public NetUdpSocket
ICTFBI 0:4edb816d21e1 47 {
ICTFBI 0:4edb816d21e1 48 public:
ICTFBI 0:4edb816d21e1 49 LwipNetUdpSocket(udp_pcb* pPcb = NULL); //Passes a pcb if already created (by an accept req for instance), in that case transfers ownership
ICTFBI 0:4edb816d21e1 50 virtual ~LwipNetUdpSocket();
ICTFBI 0:4edb816d21e1 51
ICTFBI 0:4edb816d21e1 52 virtual NetUdpSocketErr bind(const Host& me);
ICTFBI 0:4edb816d21e1 53
ICTFBI 0:4edb816d21e1 54 virtual int /*if < 0 : NetUdpSocketErr*/ sendto(const char* buf, int len, Host* pHost);
ICTFBI 0:4edb816d21e1 55 virtual int /*if < 0 : NetUdpSocketErr*/ recvfrom(char* buf, int len, Host* pHost);
ICTFBI 0:4edb816d21e1 56
ICTFBI 0:4edb816d21e1 57 virtual NetUdpSocketErr close();
ICTFBI 0:4edb816d21e1 58
ICTFBI 0:4edb816d21e1 59 virtual NetUdpSocketErr poll();
ICTFBI 0:4edb816d21e1 60
ICTFBI 0:4edb816d21e1 61 protected:
ICTFBI 0:4edb816d21e1 62 volatile udp_pcb* m_pPcb;
ICTFBI 0:4edb816d21e1 63
ICTFBI 0:4edb816d21e1 64 //Event callback from lwIp
ICTFBI 0:4edb816d21e1 65 void recvCb(udp_pcb* pcb, struct pbuf* p, ip_addr_t* addr, u16_t port);
ICTFBI 0:4edb816d21e1 66
ICTFBI 0:4edb816d21e1 67 private:
ICTFBI 0:4edb816d21e1 68 void cleanUp(); //Flush input buffer
ICTFBI 0:4edb816d21e1 69 struct InPacket
ICTFBI 0:4edb816d21e1 70 {
ICTFBI 0:4edb816d21e1 71 volatile pbuf* pBuf;
ICTFBI 0:4edb816d21e1 72 ip_addr_t addr;
ICTFBI 0:4edb816d21e1 73 u16_t port;
ICTFBI 0:4edb816d21e1 74 };
ICTFBI 0:4edb816d21e1 75
ICTFBI 0:4edb816d21e1 76 list<InPacket> m_lInPkt;
ICTFBI 0:4edb816d21e1 77 IpAddr m_multicastGroup;
ICTFBI 0:4edb816d21e1 78
ICTFBI 0:4edb816d21e1 79 //Static callback : Transforms into a C++ callback
ICTFBI 0:4edb816d21e1 80 static void sRecvCb(void *arg, struct udp_pcb *pcb, struct pbuf *p, ip_addr_t *addr, u16_t port);
ICTFBI 0:4edb816d21e1 81
ICTFBI 0:4edb816d21e1 82 };
ICTFBI 0:4edb816d21e1 83
ICTFBI 0:4edb816d21e1 84 #endif