RTL8710_SDK_GCC_VERSION/component/common/utilities/udpecho.c
RtlduinoMan 1d3357d3b0 GCC SDK RTL8710 basic version (including the window platform cygwin installation and Ubuntu platform Linux Installation routines),
including cross compilation of the installation, compile, link, run, debug, and so on.
SDK implementation of the function:
1, WiFi connection settings (including AP mode and STA mode).
2, peripheral resource control (including GPIO, SPI, UART, IIC, etc.).
3, the user uses the sample method.
2016-09-08 20:52:17 +08:00

92 lines
2.9 KiB
C

/*
* Copyright (c) 2001-2003 Swedish Institute of Computer Science.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Adam Dunkels <adam@sics.se>
*
*/
#include "lwip/opt.h"
#if LWIP_NETCONN
#include "lwip/api.h"
#include "lwip/sys.h"
#define UDPECHO_THREAD_PRIO ( tskIDLE_PRIORITY + 3 )
static struct netconn *conn;
static struct netbuf *buf;
static struct ip_addr *addr;
static unsigned short port;
/*-----------------------------------------------------------------------------------*/
static void udpecho_thread(void *arg)
{
err_t err;
LWIP_UNUSED_ARG(arg);
conn = netconn_new(NETCONN_UDP);
if (conn!= NULL)
{
err = netconn_bind(conn, IP_ADDR_ANY, 7);
if (err == ERR_OK)
{
while (1)
{
buf = netconn_recv(conn);
if (buf!= NULL)
{
addr = netbuf_fromaddr(buf);
port = netbuf_fromport(buf);
netconn_connect(conn, addr, port);
buf->addr = NULL;
netconn_send(conn,buf);
netbuf_delete(buf);
}
}
}
else
{
printf("can not bind netconn");
}
}
else
{
printf("can create new UDP netconn");
}
}
/*-----------------------------------------------------------------------------------*/
void udpecho_init(void)
{
sys_thread_new("udpecho_thread", udpecho_thread, NULL, DEFAULT_THREAD_STACKSIZE,UDPECHO_THREAD_PRIO );
}
#endif /* LWIP_NETCONN */