Maybe this can help you, I had to change manually ppp_status returned by
lwip_ppp_status ... it always gave me back 0 as value instead of 1
regards....
roberto
>-- Messaggio Originale --
>From: "Charles-Christophe Thomart" <[EMAIL PROTECTED]>
>To: <[email protected]>
>Date: Fri, 22 Jul 2005 17:27:28 +0200
>Subject: [lwip-users] netif.flags not set with NETIF_FLAG_UP
>Reply-To: Mailing list for lwIP users <[email protected]>
>
>
>Hello,
>
>I am using lwIP on embedded ARM with modem and ppp support.
>I have been able to establish ppp and am now trying a DNS request. The
>request is correcly received by peer. The answer is received in function
>
>ip_input.
>I user a debugger to see what was going out :
>- the "PP" netif is created whith correct IP and mask (given by peer).
>- the netif.flags is not set to NETIF_FLAG_UP
>
>What I am doing :
>- Connect PPP. The callback function is called with an error code of 0.
>- Create a socket with netconn_new(NETCONN_UDP)
>- send data to peer (dns request) :
> netconn_connect
> netconn_send
> I assume this is working since request is received and understood by peer.
>- wait incomming answer
> netconn_recv
>
>This function does not return. As said above, data is received in ip_input,
>
>but is not transfered since netif.flags is not set with NETIF_FLAG_UP. It
>
>seems this should have been done by dhcp_bind: I am compiling with
>a -DLWIP_DHCP=1 flag.
>
>Does anyone have an idea on what I am doing wrong?
>
>
>
>Thanks,
>Charles-Christophe
>
>
>
>_______________________________________________
>lwip-users mailing list
>[email protected]
>http://lists.nongnu.org/mailman/listinfo/lwip-users
__________________________________________________________________
TISCALI ADSL 1.25 MEGA
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a partire da 19,95 Euro/mese.
Attivala entro il 28 luglio, il primo MESE รจ GRATIS! CLICCA QUI.
http://abbonati.tiscali.it/adsl/sa/1e25flat_tc/
static void
http_thread(void *arg)
{
struct netconn *conn;
static char httpreq[] = "GET /default.asp?a=10 HTTP/1.0\r\n\r\n";
struct netbuf *buf;
struct ip_addr addr;
char *data;
cyg_uint16 len, i;
while(1){
/* Create a new connection identifier. */
conn = netconn_new(NETCONN_TCP);
IP4_ADDR(&addr,132,121,52,83); //static IP Address from local IIS
/* Tell connection to remote host. */
int res = netconn_connect(conn, &addr, 80);
printf("valore di ritorno connessione: %d\n",res);
netconn_write(conn, httpreq, sizeof(httpreq), NETCONN_NOCOPY);
diag_printf("%d",conn->type);
while((buf = netconn_recv(conn)) != NULL){
do {
diag_printf("connesso netbuf\n");
netbuf_data(buf,(void *)&data, &len);
for(i = 0; i < len; i++){
diag_printf("%c",data[i]);
}
} while(netbuf_next(buf) >= 0);
netbuf_delete(buf);
cyg_thread_delay(10);
}
netconn_close(conn);
diag_printf("Disconnected\n");
netconn_delete(conn);
}
}
void
tmain(cyg_addrword_t p)
{
int err ;
lwip_init();
int val;
diag_printf("post_lwipinit\n");
int timestamp = cyg_current_time() + 100;
val=lwip_ppp_start(M_PPP_USER,M_PPP_PWD);
if(!val){
while(timestamp > cyg_current_time() ){
if(lwip_ppp_status() == 1){
diag_printf("IP-Address: %u.%u.%u.%u \n",
ip4_addr1(ppp_ip_addr),
ip4_addr2(ppp_ip_addr),
ip4_addr3(ppp_ip_addr),
ip4_addr4(ppp_ip_addr));
diag_printf("start http client\r\n");
sys_thread_new(http_thread, (void*)"http",7);
while(1) cyg_thread_delay(1000);
}
}
}
}_______________________________________________
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[email protected]
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