From 383fa8a44518c54b2ec2ed948393370863a40cb2 Mon Sep 17 00:00:00 2001
From: patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3>
Date: Fri, 22 Apr 2011 15:54:21 +0000
Subject: [PATCH] Minor RTL/WLAN update

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@3531 42af7a65-404d-4744-a932-0658087f49c3
---
 examples/wlan/wlan_main.c | 174 ++++++++++++++++++++------------------
 1 file changed, 94 insertions(+), 80 deletions(-)

diff --git a/examples/wlan/wlan_main.c b/examples/wlan/wlan_main.c
index 9993e8deb..04210909a 100755
--- a/examples/wlan/wlan_main.c
+++ b/examples/wlan/wlan_main.c
@@ -121,6 +121,99 @@ static struct usbhost_driver_s *g_drvr;
  * Public Functions
  ****************************************************************************/
 
+/****************************************************************************
+ * Name: wlan_bringup
+ *
+ * Description:
+ *   Wait for USB devices to be connected.
+ *
+ ****************************************************************************/
+
+static inline void wlan_bringup(void)
+{
+#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
+
+  /* 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 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);
+
+  /* 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);
+
+#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
+}
+
 /****************************************************************************
  * Name: wlan_waiter
  *
@@ -131,13 +224,6 @@ 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;
 
@@ -162,79 +248,7 @@ static int wlan_waiter(int argc, char *argv[])
 
           /* 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
+          wlan_bringup();
         }
     }