Add nuttx to the system framework, which is 10.1.0

This commit is contained in:
TangYiwen123
2021-06-09 14:33:15 +08:00
parent 06c351e27c
commit 804bd57aa0
5000 changed files with 1488544 additions and 0 deletions
@@ -0,0 +1,45 @@
#
# For a description of the syntax of this configuration file,
# see the file kconfig-language.txt in the NuttX tools repository.
#
config EXAMPLES_WEBSERVER
tristate "uIP web server example"
default n
---help---
Enable the uIP web server example
if EXAMPLES_WEBSERVER
config EXAMPLES_WEBSERVER_IPADDR
hex "Device IP"
default 0x0a000002
---help---
This is the IP address of your board.
config EXAMPLES_WEBSERVER_DRIPADDR
hex "Default Router IP"
default 0x0a000001
---help---
This is the IP address of your router/gateway.
config EXAMPLES_WEBSERVER_NETMASK
hex "Network Mask"
default 0xffffff00
---help---
This is the network mask to use on this device.
config EXAMPLES_WEBSERVER_DHCPC
bool "Enable DHCPC"
default n
---help---
Enable DHCP client.
config EXAMPLES_WEBSERVER_NOMAC
bool "No hardware MAC"
default y
---help---
Some devices don't have hardware MAC then we need to define a
software MAC.
endif
@@ -0,0 +1,39 @@
############################################################################
# apps/examples/webserver/Make.defs
# Adds selected applications to apps/ build
#
# Copyright (C) 2015 Gregory Nutt. All rights reserved.
# Author: Gregory Nutt <gnutt@nuttx.org>
#
# 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. Neither the name NuttX nor the names of its contributors may be
# used to endorse or promote products derived from this software
# without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "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
# COPYRIGHT OWNER OR CONTRIBUTORS 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.
#
############################################################################
ifneq ($(CONFIG_EXAMPLES_WEBSERVER),)
CONFIGURED_APPS += $(APPDIR)/examples/webserver
endif
@@ -0,0 +1,58 @@
############################################################################
# apps/examples/webserver/Makefile
#
# Copyright (C) 2007-2008, 2010-2012 Gregory Nutt. All rights reserved.
# Author: Gregory Nutt <gnutt@nuttx.org>
#
# 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. Neither the name NuttX nor the names of its contributors may be
# used to endorse or promote products derived from this software
# without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "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
# COPYRIGHT OWNER OR CONTRIBUTORS 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.
#
############################################################################
include $(APPDIR)/Make.defs
# uIP very tiny web server example
CSRCS = cgi.c httpd_fsdata.c
MAINSRC = webserver_main.c
# Webserver built-in application info
PROGNAME = webserver
PRIORITY = SCHED_PRIORITY_DEFAULT
STACKSIZE = $(CONFIG_DEFAULT_TASK_STACKSIZE)
MODULE = $(CONFIG_EXAMPLES_WEBSERVER)
# Common build
httpd_fsdata.c: httpd-fs/*
$(TOPDIR)/tools/mkfsdata.pl
clean::
$(call DELFILE, httpd_fsdata.c)
include $(APPDIR)/Application.mk
@@ -0,0 +1,122 @@
/****************************************************************************
* apps/examples/webserver/cgi.c
* Web server script interface
* Author: Adam Dunkels <adam@sics.se>
*
* Copyright (c) 2001-2006, Adam Dunkels.
* 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.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <stdio.h>
#include <string.h>
#include <sys/socket.h>
#include <nuttx/net/netstats.h>
#include "netutils/httpd.h"
#include "cgi.h"
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
/****************************************************************************
* Private Function Prototypes
****************************************************************************/
#ifdef CONFIG_NETUTILS_HTTPDFILESTATS
HTTPD_CGI_CALL(file, "file-stats", file_stats);
#endif
#ifdef CONFIG_NETUTILS_HTTPDNETSTATS
HTTPD_CGI_CALL(net, "net-stats", net_stats);
#endif
/****************************************************************************
* Name: net_stats
****************************************************************************/
#ifdef CONFIG_NETUTILS_HTTPDNETSTATS
static void net_stats(struct httpd_state *pstate, char *ptr)
{
char buffer[16];
int i;
bool chunked_http_tx = 0;
#if defined(CONFIG_NETUTILS_HTTPD_ENABLE_CHUNKED_ENCODING)
chunked_http_tx = pstate->ht_chunked;
#endif
for (i = 0; i < sizeof(g_netstats) / sizeof(net_stats_t); i++)
{
snprintf(buffer, 16, "%5u\n", ((net_stats_t *)&g_netstats)[i]);
httpd_send_datachunk(pstate->ht_sockfd, buffer, strlen(buffer),
chunked_http_tx);
}
}
#endif
/****************************************************************************
* Name: file_stats
****************************************************************************/
#ifdef CONFIG_NETUTILS_HTTPDFILESTATS
static void file_stats(struct httpd_state *pstate, char *ptr)
{
char buffer[16];
char *pcount = strchr(ptr, ' ') + 1;
bool chunked_http_tx = 0;
#if defined(CONFIG_NETUTILS_HTTPD_ENABLE_CHUNKED_ENCODING)
chunked_http_tx = pstate->ht_chunked;
#endif
snprintf(buffer, 16, "%5u", httpd_fs_count(pcount));
httpd_send_datachunk(pstate->ht_sockfd, buffer, strlen(buffer),
chunked_http_tx);
}
#endif
/****************************************************************************
* Name: cgi_register
****************************************************************************/
void cgi_register()
{
#ifdef CONFIG_NETUTILS_HTTPDFILESTATS
httpd_cgi_register(&file);
#endif
#ifdef CONFIG_NETUTILS_HTTPDNETSTATS
httpd_cgi_register(&net);
#endif
}
@@ -0,0 +1,43 @@
/****************************************************************************
* apps/examples/webserver/cgi.h
* Web server script interface header file
* Author: Adam Dunkels <adam@sics.se>
*
* Copyright (c) 2001, Adam Dunkels.
* 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.
****************************************************************************/
#ifndef __EXAMPLES_WEBSERVER_CGI_H
#define __EXAMPLES_WEBSERVER_CGI_H
/****************************************************************************
* Public Function Prototypes
****************************************************************************/
void cgi_register(void);
#endif /* __EXAMPLES_WEBSERVER_CGI_H */
@@ -0,0 +1,8 @@
<html>
<body bgcolor="white">
<center>
<h1>404 - file not found</h1>
<h3>Go <a href="/">here</a> instead.</h3>
</center>
</body>
</html>
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%!: /header.html
<h1>File statistics</h1>
<center>
<table width="300">
<tr><td><a href="/index.shtml">/index.shtml</a></td>
<td>%! file-stats /index.shtml
</td><td><img src="/fade.png" height=10 width=%! file-stats /index.shtml
> </td></tr>
<tr><td><a href="/files.shtml">/files.shtml</a></td>
<td>%! file-stats /files.shtml
</td><td><img src="/fade.png" height=10 width=%! file-stats /files.shtml
> </td></tr>
<tr><td><a href="/stats.shtml">/stats.shtml</a></td>
<td>%! file-stats /stats.shtml
</td><td><img src="/fade.png" height=10 width=%! file-stats /stats.shtml
> </td></tr>
<tr><td><a href="/style.css">/style.css</a></td>
<td>%! file-stats /style.css
</td><td><img src="/fade.png" height=10 width=%! file-stats /style.css
> </td></tr>
<tr><td><a href="/404.html">/404.html</a></td>
<td>%! file-stats /404.html
</td><td><img src="/fade.png" height=10 width=%! file-stats /404.html
> </td></tr>
<tr><td><a href="/fade.png">/fade.png</a></td>
<td>%! file-stats /fade.png
</td><td><img src="/fade.png" height=10 width=%! file-stats /fade.png
> </td></tr>
</table>
</center>
%!: /footer.html
@@ -0,0 +1,3 @@
</div>
</body>
</html>
@@ -0,0 +1,16 @@
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<title>Welcome to the uIP web server!</title>
<link rel="stylesheet" type="text/css" href="style.css">
</head>
<body bgcolor="#fffeec" text="black">
<div class="menu">
<div class="menubox"><a href="/">Front page</a></div>
<div class="menubox"><a href="files.shtml">File statistics</a></div>
<div class="menubox"><a href="stats.shtml">Network statistics</a></div>
<br>
</div>
<div class="contentblock">
@@ -0,0 +1,10 @@
%!: /header.html
<p>
These web pages are served by a small web server running on top of
the <a href="http://www.sics.se/~adam/uip/">uIP embedded TCP/IP
stack</a>.
</p>
<p>
Click on the links above for web server statistics.
</p>
%!: /footer.html
@@ -0,0 +1,31 @@
%!: /header.html
<h1>Network statistics</h1>
<center>
<table width="300" border="0">
<tr><td><pre>
IP Packets received
Packets sent
Packets dropped
IP errors IP version/header length
IP length, high byte
IP length, low byte
IP fragments
Header checksum
Wrong protocol
ICMP Packets received
Packets sent
Packets dropped
Type errors
TCP Packets received
Packets sent
Packets dropped
Checksum errors
Data packets without ACKs
Resets
Retransmissions
No connection available
Connection attempts to closed ports
</pre></td><td><pre>%! net-stats
</pre></table>
</center>
%!: /footer.html
@@ -0,0 +1,91 @@
h1
{
text-align: center;
font-size:14pt;
font-family:arial,helvetica;
font-weight:bold;
padding:10px;
}
body
{
background-color: #fffeec;
color:black;
font-size:8pt;
font-family:arial,helvetica;
}
.menu
{
margin: 4px;
width:60%;
padding:2px;
border: solid 1px;
background-color: #fffcd2;
text-align:left;
font-size:9pt;
font-family:arial,helvetica;
}
div.menubox
{
width: 25%;
border: 0;
float: left;
text-align: center;
}
.contentblock
{
margin: 4px;
width:60%;
padding:2px;
border: 1px dotted;
background-color: white;
font-size:8pt;
font-family:arial,helvetica;
}
p.intro
{
margin-left:20px;
margin-right:20px;
font-size:10pt;
/* font-weight:bold; */
font-family:arial,helvetica;
}
p.clink
{
font-size:12pt;
font-family:courier,monospace;
text-align:center;
}
p.clink9
{
font-size:9pt;
font-family:courier,monospace;
text-align:center;
}
p
{
padding-left:10px;
}
p.right
{
text-align:right;
}
@@ -0,0 +1,5 @@
%!: /header.html
<h1>Current connections</h1><br><table width="100%">
<tr><th>Local</th><th>Remote</th><th>State</th><th>Retransmissions</th><th>Timer</th><th>Flags</th></tr>
%! tcp-connections
%!: /footer.html
@@ -0,0 +1,232 @@
/****************************************************************************
* examples/webserver/webserver_main.c
*
* Copyright (C) 2007, 2009-2012, 2015 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* Based on uIP which also has a BSD style license:
*
* Copyright (c) 2001, Adam Dunkels.
* 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. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Adam Dunkels.
* 4. 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.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <sys/ioctl.h>
#include <stdint.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <time.h>
#include <debug.h>
#include <net/if.h>
#include <netinet/in.h>
#include <nuttx/net/arp.h>
#include "netutils/netlib.h"
#ifdef CONFIG_EXAMPLES_WEBSERVER_DHCPC
#include <arpa/inet.h>
#endif
/* Here we include the header file for the application(s) we use in
* our project as defined in the config/<board-name>/defconfig file
*/
/* DHCPC may be used in conjunction with any other feature (or not) */
#ifdef CONFIG_EXAMPLES_WEBSERVER_DHCPC
# include "netutils/dhcpc.h"
#endif
/* Include uIP webserver definitions */
#include "netutils/httpd.h"
#include "cgi.h"
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
/****************************************************************************
* Private Data
****************************************************************************/
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* webserver_main
****************************************************************************/
int main(int argc, FAR char *argv[])
{
#ifndef CONFIG_NSH_NETINIT
/* We are running standalone (as opposed to a NSH built-in app). Therefore
* we need to initialize the network before we start.
*/
struct in_addr addr;
#if defined(CONFIG_EXAMPLES_WEBSERVER_DHCPC) || defined(CONFIG_EXAMPLES_WEBSERVER_NOMAC)
uint8_t mac[IFHWADDRLEN];
#endif
#ifdef CONFIG_EXAMPLES_WEBSERVER_DHCPC
void *handle;
#endif
/* Many embedded network interfaces must have a software assigned MAC */
#ifdef CONFIG_EXAMPLES_WEBSERVER_NOMAC
mac[0] = 0x00;
mac[1] = 0xe0;
mac[2] = 0xde;
mac[3] = 0xad;
mac[4] = 0xbe;
mac[5] = 0xef;
netlib_setmacaddr("eth0", mac);
#endif
/* Set up our host address */
#ifdef CONFIG_EXAMPLES_WEBSERVER_DHCPC
addr.s_addr = 0;
#else
addr.s_addr = HTONL(CONFIG_EXAMPLES_WEBSERVER_IPADDR);
#endif
netlib_set_ipv4addr("eth0", &addr);
/* Set up the default router address */
addr.s_addr = HTONL(CONFIG_EXAMPLES_WEBSERVER_DRIPADDR);
netlib_set_dripv4addr("eth0", &addr);
/* Setup the subnet mask */
addr.s_addr = HTONL(CONFIG_EXAMPLES_WEBSERVER_NETMASK);
netlib_set_ipv4netmask("eth0", &addr);
/* New versions of netlib_set_ipvXaddr will not bring the network up,
* So ensure the network is really up at this point.
*/
netlib_ifup("eth0");
#ifdef CONFIG_EXAMPLES_WEBSERVER_DHCPC
/* Get the MAC address of the NIC */
netlib_getmacaddr("eth0", mac);
/* Set up the DHCPC modules */
handle = dhcpc_open("eth0", &mac, IFHWADDRLEN);
/* Get an IP address. Note: there is no logic here for renewing the
* address in this example. The address should be renewed in
* ds.lease_time/2 seconds.
*/
printf("Getting IP address\n");
if (handle)
{
struct dhcpc_state ds;
dhcpc_request(handle, &ds);
netlib_set_ipv4addr("eth0", &ds.ipaddr);
if (ds.netmask.s_addr != 0)
{
netlib_set_ipv4netmask("eth0", &ds.netmask);
}
if (ds.default_router.s_addr != 0)
{
netlib_set_dripv4addr("eth0", &ds.default_router);
}
if (ds.dnsaddr.s_addr != 0)
{
netlib_set_ipv4dnsaddr(&ds.dnsaddr);
}
dhcpc_close(handle);
printf("IP: %s\n", inet_ntoa(ds.ipaddr));
}
#endif
#endif /* CONFIG_NSH_NETINIT */
#ifdef CONFIG_NET_TCP
printf("Starting webserver\n");
httpd_init();
#ifndef CONFIG_NETUTILS_HTTPD_SCRIPT_DISABLE
cgi_register();
#endif
httpd_listen();
#endif
#ifndef CONFIG_NSH_NETINIT
/* We are running standalone (as opposed to a NSH built-in app). Therefore
* we should not exit after httpd failure.
*/
while (1)
{
sleep(3);
printf("webserver_main: Still running\n");
fflush(stdout);
}
#else /* CONFIG_NSH_NETINIT */
/* We are running as a NSH built-in app. Therefore we should exit. This
* allows to 'kill -9' the webserver app, assuming it was started as a
* background process. For example:
*
* nsh> webserver &
* webserver [6:100]
* nsh> Starting webserver
*
* nsh> kill -9 6
* nsh> webserver_main: Exiting
*/
printf("webserver_main: Exiting\n");
fflush(stdout);
#endif /* CONFIG_NSH_NETINIT */
return 0;
}