First debug changes for USB host

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@3215 42af7a65-404d-4744-a932-0658087f49c3

configs/olimex-lpc1766stk/src/up_nsh.c

@@ -161,13 +161,16 @@ static int nsh_waiter(int argc, char *argv[])
   bool connected = false;
   int ret;
 
+  message("nsh_waiter: Running\n");
   for (;;)
     {
       /* Wait for the device to change state */
 
       ret = DRVR_WAIT(g_drvr, connected);
       DEBUGASSERT(ret == OK);
+
       connected = !connected;
+      message("nsh_waiter: %s\n", connected ? "connected" : "disconnected");
 
       /* Did we just become connected? */
 
@@ -265,6 +268,8 @@ static int nsh_usbhostinitialize(void)
     {
       /* Start a thread to handle device connection. */
 
+      message("nsh_usbhostinitialize: Start nsh_waiter\n");
+
 #ifndef CONFIG_CUSTOM_STACK
       pid = task_create("usbhost", CONFIG_USBHOST_DEFPRIO,
                         CONFIG_USBHOST_STACKSIZE,