3 files changed, 29 insertions, 6 deletions
diff --git a/apps/examples/nxconsole/nxcon_internal.h b/apps/examples/nxconsole/nxcon_internal.h
index a4bcd851b..5aaabfe97 100644
--- a/apps/examples/nxconsole/nxcon_internal.h
+++ b/apps/examples/nxconsole/nxcon_internal.h
@@ -71,8 +71,26 @@
 #  define CONFIG_EXAMPLES_NXCON_VPLANE 0
 #endif
 
+/* Pixel depth.  If non provided, pick the smallest enabled pixel depth */
+
 #ifndef CONFIG_EXAMPLES_NXCON_BPP
-#  define CONFIG_EXAMPLES_NXCON_BPP 32
+#  if !defined(CONFIG_NX_DISABLE_1BPP)
+#    define CONFIG_EXAMPLES_NXCON_BPP 1
+#  elif !defined(CONFIG_NX_DISABLE_2BPP)
+#    define CONFIG_EXAMPLES_NXCON_BPP 2
+#  elif !defined(CONFIG_NX_DISABLE_4BPP)
+#    define CONFIG_EXAMPLES_NXCON_BPP 4
+#  elif !defined(CONFIG_NX_DISABLE_8BPP)
+#    define CONFIG_EXAMPLES_NXCON_BPP 8
+#  elif !defined(CONFIG_NX_DISABLE_16BPP)
+#    define CONFIG_EXAMPLES_NXCON_BPP 16
+//#elif !defined(CONFIG_NX_DISABLE_24BPP)
+//#    define CONFIG_NXCONSOLE_BPP 24
+#  elif !defined(CONFIG_NX_DISABLE_32BPP)
+#    define CONFIG_EXAMPLES_NXCON_BPP 32
+#  else
+#    error "No pixel depth provided"
+#  endif
 #endif
 
 /* Background color */
diff --git a/apps/examples/nxconsole/nxcon_main.c b/apps/examples/nxconsole/nxcon_main.c
index cc83aac16..96f656704 100644
--- a/apps/examples/nxconsole/nxcon_main.c
+++ b/apps/examples/nxconsole/nxcon_main.c
@@ -356,7 +356,7 @@ int MAIN_NAME(int argc, char **argv)
   /* Create a window */
 
   message(MAIN_NAME_STRING ": Create window\n");
-  g_nxcon_vars.hwnd = nxtk_openwindow(&g_nxcon_vars.hnx, &g_nxconcb, NULL);
+  g_nxcon_vars.hwnd = nxtk_openwindow(g_nxcon_vars.hnx, &g_nxconcb, NULL);
   if (!g_nxcon_vars.hwnd)
     {
       message(MAIN_NAME_STRING ": nxtk_openwindow failed: %d\n", errno);
@@ -432,10 +432,10 @@ int MAIN_NAME(int argc, char **argv)
 
   /* Open the driver */
 
-  fd = open(CONFIG_EXAMPLES_NXCON_DEVNAME, O_RDONLY);
+  fd = open(CONFIG_EXAMPLES_NXCON_DEVNAME, O_WRONLY);
   if (fd < 0)
     {
-      message(MAIN_NAME_STRING ": open %d read-only failed: %d\n",
+      message(MAIN_NAME_STRING ": open %s read-only failed: %d\n",
               CONFIG_EXAMPLES_NXCON_DEVNAME, errno);
       goto errout_with_driver;
     }
diff --git a/apps/examples/nxconsole/nxcon_wndo.c b/apps/examples/nxconsole/nxcon_wndo.c
index b052af0d2..6fadda866 100644
--- a/apps/examples/nxconsole/nxcon_wndo.c
+++ b/apps/examples/nxconsole/nxcon_wndo.c
@@ -119,9 +119,14 @@ static void nxwndo_redraw(NXWINDOW hwnd, FAR const struct nxgl_rect_s *rect,
          hwnd, rect->pt1.x, rect->pt1.y, rect->pt2.x, rect->pt2.y,
          more ? "true" : "false");
 
-  /* Inform the NX console of the redraw request */
+  /* Don't attempt to redraw if the driver has not yet been opened */
 
-  nxcon_redraw(g_nxcon_vars.hdrvr, rect, more);
+  if (g_nxcon_vars.hdrvr)
+    {
+      /* Inform the NX console of the redraw request */
+
+      nxcon_redraw(g_nxcon_vars.hdrvr, rect, more);
+    }
 }
 
 /****************************************************************************