Pehr Hovey / Mbed 2 deprecated UDPtest

Some quick code to use UDP-only (no TCP) with mBed. Echos received packets and sends packets when a button is pressed

Dependencies:   mbed

Core/NetServer.cpp@0:a548a085de55, 2010-03-14 (annotated)

Committer:
pehrhovey
Date:
Sun Mar 14 00:54:12 2010 +0000
Revision:
0:a548a085de55

        

        
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#include "lwip/opt.h" 





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#include "lwip/stats.h" 





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#include "lwip/sys.h" 





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#include "lwip/pbuf.h" 





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#include "lwip/udp.h" 





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#include "lwip/tcp.h" 





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#include "lwip/dns.h" 





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#include "lwip/dhcp.h" 





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#include "lwip/init.h"





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#include "lwip/netif.h" 





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#include "netif/etharp.h" 





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#include "netif/loopif.h" 





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#include "device.h"





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#include "Ethernet.h"





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#include "NetServer.h"





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#include "TCPListener.h"





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#include "TCPCallbackListener.h"





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#include "TCPConnection.h"





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using namespace std;





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using namespace mbed;





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NetServer *NetServer::singleton = NULL;





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NetServer::NetServer() : netif(&netif_data), dhcp(true), hostname(HOSTNAME) {





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  _time.start();





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  IP4_ADDR(&netmask, 255,255,255,255);





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  IP4_ADDR(&gateway, 0,0,0,0);





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  IP4_ADDR(&ipaddr, 0,0,0,0);





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  netif->hwaddr_len = 0;





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  del = new list<TCPItem *>();





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}





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NetServer::NetServer(struct ip_addr ip, struct ip_addr nm, struct ip_addr gw)





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 : netif(&netif_data), ipaddr(ip), netmask(nm), gateway(gw), dhcp(false), hostname(HOSTNAME) {





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  _time.start();





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  netif->hwaddr_len = 0;





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  del = new list<TCPItem *>();





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}





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NetServer::~NetServer() {





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}





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void NetServer::_poll() const {





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  while(!del->empty()) {





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    TCPItem *item = del->front();





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    del->pop_front();





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    delete item;





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  }





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  device_poll();





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  tcp_tmr();





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}





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void NetServer::init() {





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  lwip_init();





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  netif->hwaddr_len = ETHARP_HWADDR_LEN;





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  device_address((char *)netif->hwaddr);





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  netif = netif_add(netif, &ipaddr, &netmask, &gateway, NULL, device_init, ip_input);





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  netif->hostname = (char *)this->hostname;





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  netif_set_default(netif);





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  if(!dhcp) {





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    netif_set_up(netif);





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  } else {





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    dhcp_start(netif);





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  }





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  tickARP.attach_us( &etharp_tmr,  ARP_TMR_INTERVAL  * 1000); 





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  //eth_tick.attach_us<NetServer>(this,&emac_tmr, TCP_FAST_INTERVAL * 1000);





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  dns_tick.attach_us(&dns_tmr, DNS_TMR_INTERVAL * 1000);





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  if(dhcp) {





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    dhcp_coarse.attach_us(&dhcp_coarse_tmr, DHCP_COARSE_TIMER_MSECS * 1000);





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    dhcp_fine.attach_us(&dhcp_fine_tmr, DHCP_FINE_TIMER_MSECS * 1000);





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  }





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}





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void NetServer::setUp() const {





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  netif_set_up(netif);





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}





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void NetServer::setDown() const {





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  netif_set_down(netif);





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}





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int NetServer::isUp() const {





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  return netif_is_up(netif);





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}





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void NetServer::waitUntilReady() {





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  while(!netif_is_up(netif)) {





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    _poll();





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    wait_ms(1);





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  }





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  ipaddr = netif->ip_addr;





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  printf("IP: %hhu.%hhu.%hhu.%hhu\n", (ipaddr.addr)&0xFF, (ipaddr.addr>>8)&0xFF, (ipaddr.addr>>16)&0xFF, (ipaddr.addr>>24)&0xFF);





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}





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TCPCallbackListener *NetServer::bindTCPPort(u16_t port, err_t (*accept)(TCPCallbackListener *, struct tcp_pcb *, err_t)) const {





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  TCPCallbackListener *listener = new TCPCallbackListener(port, accept);





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  listener->bind();





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  return listener;





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}





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void NetServer::free(TCPItem *item) const {





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  del->push_back(item);





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}





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int NetServer::time() {





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  return NetServer::get()->_time.read_ms();





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}