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[lwip-users] lwIP and xil_printf
From: |
Louis Filasky |
Subject: |
[lwip-users] lwIP and xil_printf |
Date: |
Tue, 3 Jul 2007 22:59:05 +0200 |
Hi,
I have encountered several problems and I don't know if it's due to lwIP but I never encountered any problems whenever I used the function xil_printf.
At some locations in my code, if I use this function, the server is behaving in a weird way. I'm using OPB Uartlite and whenever I try to display the content of a
variable, it crashes the server or my echo function is not responding at all. If I do a text only xil_printf, everything works fine.
#include "config.h" // DEFAULT_PORT
#include "global.h" // server_accept()
#include "lwip/tcp.h" // tcp_new(), tcp_bind(), tcp_listen(), tcp_accept()
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include "lwip/debug.h"
#include "lwip/stats.h"
#include "xparameters.h"
err_t server_accept(void *arg, struct tcp_pcb *pcb, err_t err)
{
struct connection_state *cs;
/* Allocate memory for the structure that holds the state of the
connection. */
cs = mem_malloc(sizeof(struct connection_state));
if(cs == NULL) {
xil_printf("could not malloc memory for server_state\r\n");
return ERR_MEM;
}
/* Initialize the structure. */
cs->data = ""> cs->left = 0;
/* Tell TCP that this is the structure we wish to be passed for our
callbacks. */
tcp_arg(pcb, cs);
/* Tell TCP that we wish to be informed of incoming data by a call
to the http_recv() function. */
tcp_recv(pcb, server_recv);
tcp_err(pcb, server_err);
tcp_poll(pcb, server_poll, 1);
xil_printf("Connection established with client %s on port %d.\r\n", getRemoteHostAddress(pcb->remote_ip), (int)(pcb->local_port));
return ERR_OK;
}
The getRemoteHostAddress is char*. Thanks for your help,
Antoine.
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- [lwip-users] lwIP and xil_printf,
Louis Filasky <=