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Diffstat (limited to 'apps/examples/uip/main.c')
| -rw-r--r-- | apps/examples/uip/main.c | 220 |
1 files changed, 220 insertions, 0 deletions
diff --git a/apps/examples/uip/main.c b/apps/examples/uip/main.c new file mode 100644 index 000000000..21a01998b --- /dev/null +++ b/apps/examples/uip/main.c @@ -0,0 +1,220 @@ +/**************************************************************************** + * examples/uip/main.c + * + * Copyright (C) 2007, 2009-2011 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt <spudmonkey@racsa.co.cr> + * + * 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 <net/uip/uip.h> +#include <net/uip/uip-arp.h> + +#include <apps/netutils/uiplib.h> + +#ifdef CONFIG_EXAMPLE_UIP_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_EXAMPLE_UIP_DHCPC +# include <apps/netutils/resolv.h> +# include <apps/netutils/dhcpc.h> +#endif + +/* Include uIP webserver definitions */ + +#include <apps/netutils/httpd.h> + +/**************************************************************************** + * Definitions + ****************************************************************************/ + +#ifdef CONFIG_CPP_HAVE_VARARGS +# ifdef CONFIG_DEBUG +# define message(...) lib_lowprintf(__VA_ARGS__) +# else +# define message(...) printf(__VA_ARGS__) +# endif +#else +# ifdef CONFIG_DEBUG +# define message lib_lowprintf +# else +# define message (void) +# endif +#endif + +/**************************************************************************** + * Private Data + ****************************************************************************/ + +/**************************************************************************** + * Public Functions + ****************************************************************************/ + +/**************************************************************************** + * user_initialize + ****************************************************************************/ + +#ifndef CONFIG_HAVE_WEAKFUNCTIONS +void user_initialize(void) +{ + /* Stub that must be provided only if the toolchain does + * not support weak functions. + */ +} +#endif + +/**************************************************************************** + * user_start + ****************************************************************************/ + +int user_start(int argc, char *argv[]) +{ + struct in_addr addr; +#if defined(CONFIG_EXAMPLE_UIP_DHCPC) || defined(CONFIG_EXAMPLE_UIP_NOMAC) + uint8_t mac[IFHWADDRLEN]; +#endif +#ifdef CONFIG_EXAMPLE_UIP_DHCPC + void *handle; +#endif + +/* Many embedded network interfaces must have a software assigned MAC */ + +#ifdef CONFIG_EXAMPLE_UIP_NOMAC + mac[0] = 0x00; + mac[1] = 0xe0; + mac[2] = 0xb0; + mac[3] = 0x0b; + mac[4] = 0xba; + mac[5] = 0xbe; + uip_setmacaddr("eth0", mac); +#endif + + /* Set up our host address */ + +#ifdef CONFIG_EXAMPLE_UIP_DHCPC + addr.s_addr = 0; +#else + addr.s_addr = HTONL(CONFIG_EXAMPLE_UIP_IPADDR); +#endif + uip_sethostaddr("eth0", &addr); + + /* Set up the default router address */ + + addr.s_addr = HTONL(CONFIG_EXAMPLE_UIP_DRIPADDR); + uip_setdraddr("eth0", &addr); + + /* Setup the subnet mask */ + + addr.s_addr = HTONL(CONFIG_EXAMPLE_UIP_NETMASK); + uip_setnetmask("eth0", &addr); + +#ifdef CONFIG_EXAMPLE_UIP_DHCPC + /* Set up the resolver */ + + resolv_init(); + + /* Get the MAC address of the NIC */ + + uip_getmacaddr("eth0", mac); + + /* Set up the DHCPC modules */ + + handle = dhcpc_open(&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; + (void)dhcpc_request(handle, &ds); + uip_sethostaddr("eth1", &ds.ipaddr); + if (ds.netmask.s_addr != 0) + { + uip_setnetmask("eth0", &ds.netmask); + } + if (ds.default_router.s_addr != 0) + { + uip_setdraddr("eth0", &ds.default_router); + } + if (ds.dnsaddr.s_addr != 0) + { + resolv_conf(&ds.dnsaddr); + } + dhcpc_close(handle); + printf("IP: %s\n", inet_ntoa(ds.ipaddr)); + } +#endif + +#ifdef CONFIG_NET_TCP + printf("Starting webserver\n"); + httpd_init(); + httpd_listen(); +#endif + + while(1) + { + sleep(3); + printf("main: Still running\n"); +#if CONFIG_NFILE_DESCRIPTORS > 0 + fflush(stdout); +#endif + } + return 0; +} |