From 7bdfdb2623b110881b355c51b3351c69c4b47bcd Mon Sep 17 00:00:00 2001
From: patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3>
Date: Wed, 28 Mar 2012 00:10:43 +0000
Subject: [PATCH] NFS update

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@4532 42af7a65-404d-4744-a932-0658087f49c3
---
 examples/nxconsole/nxcon_internal.h |  6 ++++++
 examples/nxconsole/nxcon_main.c     | 33 +++++++++++++++++++++++++++--
 2 files changed, 37 insertions(+), 2 deletions(-)

diff --git a/examples/nxconsole/nxcon_internal.h b/examples/nxconsole/nxcon_internal.h
index 5aaabfe97..06c989551 100644
--- a/examples/nxconsole/nxcon_internal.h
+++ b/examples/nxconsole/nxcon_internal.h
@@ -173,6 +173,12 @@
 #  endif
 #endif
 
+/* Graphics Device */
+
+#ifndef CONFIG_EXAMPLES_NXCON_DEVNO
+#  define CONFIG_EXAMPLES_NXCON_DEVNO 0
+#endif
+
 /* NX Console Device */
 
 #ifndef CONFIG_EXAMPLES_NXCON_MINOR
diff --git a/examples/nxconsole/nxcon_main.c b/examples/nxconsole/nxcon_main.c
index 96f656704..2edea83ba 100644
--- a/examples/nxconsole/nxcon_main.c
+++ b/examples/nxconsole/nxcon_main.c
@@ -321,10 +321,14 @@ static int nxcon_initialize(void)
 int MAIN_NAME(int argc, char **argv)
 {
   int exitcode = EXIT_FAILURE;
+#if 0 /* Don't re-direct... too hard to debug */
+  int fd;
+#else
+  FILE *outstream;
+#endif
   nxgl_mxpixel_t color;
   int ndx;
   int ret;
-  int fd;
 
   /* Reset all global data */
 
@@ -432,6 +436,7 @@ int MAIN_NAME(int argc, char **argv)
 
   /* Open the driver */
 
+#if 0 /* Don't re-direct... too hard to debug */
   fd = open(CONFIG_EXAMPLES_NXCON_DEVNAME, O_WRONLY);
   if (fd < 0)
     {
@@ -440,7 +445,10 @@ int MAIN_NAME(int argc, char **argv)
       goto errout_with_driver;
     }
 
-  /* Now re-direct stdout and stderr so that they use the NX console driver */
+  /* Now re-direct stdout and stderr so that they use the NX console driver.
+   * If debug is enabled, then perform the test using only stderr so that we
+   * can still get debug output on stdout.
+    */
 
   (void)dup2(fd, 1);
   (void)dup2(fd, 2);
@@ -448,6 +456,17 @@ int MAIN_NAME(int argc, char **argv)
    /* And we can close our original driver fd */
 
    close(fd);
+#else
+   /* Open the Console driver as a write-only stream */
+ 
+   outstream = fopen(CONFIG_EXAMPLES_NXCON_DEVNAME, "w");
+   if (!outstream)
+     {
+      message(MAIN_NAME_STRING ": fopen %s read-only failed: %d\n",
+              CONFIG_EXAMPLES_NXCON_DEVNAME, errno);
+      goto errout_with_driver;
+     }
+#endif
 
   /* Test Loop **************************************************************/
   /* Now loop, adding text to the NX console */
@@ -461,7 +480,13 @@ int MAIN_NAME(int argc, char **argv)
 
       /* Give another line of text to the NX console.*/
 
+#if 0 /* Don't re-direct... too hard to debug */
       printf(g_nxcon_msg[ndx]);
+      fflush(stdout);
+#else
+      fprintf(outstream, g_nxcon_msg[ndx]);
+      fflush(outstream);
+#endif
       if (++ndx >= NCON_MSG_NLINES)
         {
 #ifdef CONFIG_NSH_BUILTIN_APPS
@@ -481,6 +506,10 @@ int MAIN_NAME(int argc, char **argv)
 
   /* Clean-up and Error Exits ***********************************************/
 
+#if 1 /* Don't re-direct... too hard to debug */
+  fclose(outstream);
+#endif
+
 errout_with_driver:
   message(MAIN_NAME_STRING ": Unregister the NX console device\n");
   (void)nxcon_unregister(g_nxcon_vars.hdrvr);