[En-Nut-Discussion] Problems with the uIP structure and a clientapplication
Lorenzo Lombardo
lorenzo.lombardo at satbn.com
Fri Mar 31 14:22:37 CEST 2006
In my previous message there is an errata.
The line: uip_ipaddr(ipaddr, 192,168,0,234);
is: uip_ipaddr(ipaddr, 192,168,0,99);
Just to make sure you don't say that i connect to a server, but the http get
is towards another machine.
----- Original Message -----
From: "Lorenzo Lombardo" <lorenzo.lombardo at satbn.com>
Sent: Friday, March 31, 2006 2:15 PM
Subject: [En-Nut-Discussion] Problems with the uIP structure and a
clientapplication
Hi,
I'm having some problems with the Ethernut board and the uIP structure.
While I can successfully run a server application, I'm having problem in
developing a client application.
This is a simple code to get a page and I know if the page is called,
because it writes a file:
void example1_init(void)
{
struct uip_conn *conn;
u16_t ipaddr[2];
uip_ipaddr(ipaddr, 192,168,0,234);
if (ipaddr != NULL) ledFlash(1);
extDelay_ms(500);
conn = uip_connect(ipaddr, HTONS(80));
if (conn != NULL) ledFlash(2);
extDelay_ms(500);
example1_app();
}
void example1_app(void)
{
if(uip_connected() || uip_rexmit())
{
ledFlash(3);
uip_send("GET /admin/Atmel/prova.php HTTP/1.1\r\nHost:
192.168.0.99\r\nConnection: Close\r\n\r\n", strlen("GET
/admin/Atmel/prova.php HTTP/1.1\r\nHost: 192.168.0.99\r\nConnection:
Close\r\n\r\n"));
}
}
ledFlash is a function that writes all 1s in a port and I've attacched a led
to it, so I can use a primitive debugging method. The parameter is the
number of flashes for the led.
extDelay_ms is an extended version of delay_ms that allow me to set any
integer value instead of a limited number (only 255 ms).
It seems that the init is ok, the ipaddr and the conn value are set, but
with a packet sniffer software I've seen that I don't receive any connection
from the device. In fact the example1_app function doesn't do anything...
Moreover this is an example taken from the "uIP Reference Manual" by Doxygen
and I assume that the example shown here are ok, but I still got problems.
Am I missing something?
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