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Add logic to assign IP address in apps/examples/wlan

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git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@3530 42af7a65-404d-4744-a932-0658087f49c3
This commit is contained in:
patacongo 2011-04-21 19:03:01 +00:00
parent 418e3a2da8
commit a4ff160e5a
1 changed files with 103 additions and 1 deletions
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104
examples/wlan/wlan_main.c
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@ -42,15 +42,34 @@
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/ioctl.h>
#include <stdint.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <fcntl.h>
#include <time.h>
#include <sched.h>
#include <errno.h>
#include <debug.h>
#include <nuttx/usb/usbhost.h>
#include <net/if.h>
#include <net/uip/uip.h>
#include <net/uip/uip-arp.h>
#include <apps/netutils/uiplib.h>
/* DHCPC may be used in conjunction with any other feature (or not) */
#ifdef CONFIG_EXAMPLE_WLAN_DHCPC
# include <arpa/inet.h>
# include <apps/netutils/resolv.h>
# include <apps/netutils/dhcpc.h>
#endif
/****************************************************************************
* Definitions
****************************************************************************/
@ -112,6 +131,13 @@ static struct usbhost_driver_s *g_drvr;
static int wlan_waiter(int argc, char *argv[])
{
#if defined(CONFIG_EXAMPLE_WLAN_DHCPC) || defined(CONFIG_EXAMPLE_WLAN_NOMAC)
uint8_t mac[IFHWADDRLEN];
#endif
struct in_addr addr;
#ifdef CONFIG_EXAMPLE_WLAN_DHCPC
void *handle;
#endif
bool connected = false;
int ret;
@ -132,7 +158,83 @@ static int wlan_waiter(int argc, char *argv[])
{
/* Yes.. enumerate the newly connected device */
(void)DRVR_ENUMERATE(g_drvr);
ret = DRVR_ENUMERATE(g_drvr);
/* If the enumeration was successful, then bring up the interface */
/* Many embedded network interfaces must have a software assigned
* MAC
*/
#ifdef CONFIG_EXAMPLE_WLAN_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_WLAN_DHCPC
addr.s_addr = 0;
#else
addr.s_addr = HTONL(CONFIG_EXAMPLE_WLAN_IPADDR);
#endif
uip_sethostaddr("eth0", &addr);
/* Set up the default router address */
addr.s_addr = HTONL(CONFIG_EXAMPLE_WLAN_DRIPADDR);
uip_setdraddr("eth0", &addr);
/* Setup the subnet mask */
addr.s_addr = HTONL(CONFIG_EXAMPLE_WLAN_NETMASK);
uip_setnetmask("eth0", &addr);
#ifdef CONFIG_EXAMPLE_WLAN_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
}
}