20 files changed, 128 insertions, 33 deletions
diff --git a/apps/examples/README.txt b/apps/examples/README.txt
index f7b6d74e7..01d4fb0ec 100644
--- a/apps/examples/README.txt
+++ b/apps/examples/README.txt
@@ -627,18 +627,20 @@ examples/nxconsole
       buffer driver for use in the test.  Default: 0
     CONFIG_EXAMPLES_NXCON_DEVNO - The LCD device to select from the LCD
       driver for use in the test: Default: 0
-    CONFIG_EXAMPLES_NXCON_BGCOLOR -- The color of the background.  Default depends on
-      CONFIG_EXAMPLES_NXCON_BPP.
-    CONFIG_EXAMPLES_NXCON_WCOLOR -- The color of the window. Default depends on
-      CONFIG_EXAMPLES_NXCON_BPP.
-    CONFIG_EXAMPLES_NXCON_FONTID - Selects the font (see font ID numbers in
+    CONFIG_EXAMPLES_NXCON_BGCOLOR -- The color of the background.  Default
+      Default is a darker royal blue.
+    CONFIG_EXAMPLES_NXCON_WCOLOR -- The color of the window. Default is a light
+      slate blue.
+    CONFIG_EXAMPLES_NXCON_FONTID -- Selects the font (see font ID numbers in
       include/nuttx/nx/nxfonts.h)
-    CONFIG_EXAMPLES_NXCON_FONTCOLOR -- The color of the fonts. Default depends on
-      CONFIG_EXAMPLES_NXCON_BPP.
+    CONFIG_EXAMPLES_NXCON_FONTCOLOR -- The color of the fonts. Default is
+      black.
     CONFIG_EXAMPLES_NXCON_BPP -- Pixels per pixel to use.  Valid options
       include 2, 4, 8, 16, 24, and 32.  Default is 32.
     CONFIG_EXAMPLES_NXCON_TOOLBAR_HEIGHT -- The height of the toolbar.
       Default: 16
+    CONFIG_EXAMPLES_NXCON_TBCOLOR -- The color of the toolbar. Default is
+      a medium grey.
     CONFIG_EXAMPLES_NXCON_EXTERNINIT - The driver for the graphics device on
       this platform requires some unusual initialization.  This is the
       for, for example, SPI LCD/OLED devices.  If this configuration is
diff --git a/apps/examples/nxconsole/nxcon_internal.h b/apps/examples/nxconsole/nxcon_internal.h
index f5d88e600..fd3777334 100644
--- a/apps/examples/nxconsole/nxcon_internal.h
+++ b/apps/examples/nxconsole/nxcon_internal.h
@@ -46,6 +46,8 @@
 #include <stdbool.h>
 #include <semaphore.h>
 
+#include <nuttx/rgbcolors.h>
+
 #include <nuttx/nx/nx.h>
 #include <nuttx/nx/nxglib.h>
 #include <nuttx/nx/nxtk.h>
@@ -61,6 +63,10 @@
 #  error "NX is not enabled (CONFIG_NX)"
 #endif
 
+#ifndef CONFIG_NXCONSOLE
+#  error "NxConsole is not enabled (CONFIG_NXCONSOLE)"
+#endif
+
 /* If not specified, assume that the hardware supports one video plane */
 
 #if CONFIG_NX_NPLANES != 1
@@ -93,30 +99,42 @@
 #  endif
 #endif
 
-/* Background color */
+/* Background color (default is darker royal blue) */
 
 #ifndef CONFIG_EXAMPLES_NXCON_BGCOLOR
 #  if CONFIG_EXAMPLES_NXCON_BPP == 24 || CONFIG_EXAMPLES_NXCON_BPP == 32
-#    define CONFIG_EXAMPLES_NXCON_BGCOLOR 0x007b68ee
+#    define CONFIG_EXAMPLES_NXCON_BGCOLOR RGBTO24(39, 64, 139)
 #  elif CONFIG_EXAMPLES_NXCON_BPP == 16
-#    define CONFIG_EXAMPLES_NXCON_BGCOLOR 0x7b5d
+#    define CONFIG_EXAMPLES_NXCON_BGCOLOR RGBTO16(39, 64, 139)
 #  else
-#    define CONFIG_EXAMPLES_NXCON_BGCOLOR ' '
+#    define CONFIG_EXAMPLES_NXCON_BGCOLOR RGBTO8(39, 64, 139)
 # endif
 #endif
 
-/* Window color */
+/* Window color (lighter steel blue) */
 
 #ifndef CONFIG_EXAMPLES_NXCON_WCOLOR
 #  if CONFIG_EXAMPLES_NXCON_BPP == 24 || CONFIG_EXAMPLES_NXCON_BPP == 32
-#    define CONFIG_EXAMPLES_NXCON_WCOLOR 0x007b68ee
+#    define CONFIG_EXAMPLES_NXCON_WCOLOR RGBTO24(202, 225, 255)
 #  elif CONFIG_EXAMPLES_NXCON_BPP == 16
-#    define CONFIG_EXAMPLES_NXCON_WCOLOR 0x7b5d
+#    define CONFIG_EXAMPLES_NXCON_WCOLOR RGBTO16(202, 225, 255)
 #  else
-#    define CONFIG_EXAMPLES_NXCON_WCOLOR ' '
+#    define CONFIG_EXAMPLES_NXCON_WCOLOR RGBTO8(202, 225, 255)
 # endif
 #endif
 
+/* Toolbar color (medium grey) */
+
+#ifndef CONFIG_EXAMPLES_NXCON_TBCOLOR
+#  if CONFIG_EXAMPLES_NX_BPP == 24 || CONFIG_EXAMPLES_NX_BPP == 32
+#    define CONFIG_EXAMPLES_NXCON_TBCOLOR RGBTO24(188, 188, 188)
+#  elif CONFIG_EXAMPLES_NX_BPP == 16
+#    define CONFIG_EXAMPLES_NXCON_TBCOLOR RGBTO16(188, 188, 188)
+#  else
+#    define CONFIG_EXAMPLES_NXCON_TBCOLOR RGBTO8(188, 188, 188)
+#  endif
+#endif
+
 /* Font ID */
 
 #ifndef CONFIG_EXAMPLES_NXCON_FONTID
@@ -127,11 +145,11 @@
 
 #ifndef CONFIG_EXAMPLES_NXCON_FONTCOLOR
 #  if CONFIG_EXAMPLES_NXCON_BPP == 24 || CONFIG_EXAMPLES_NXCON_BPP == 32
-#    define CONFIG_EXAMPLES_NXCON_FONTCOLOR 0x00000000
+#    define CONFIG_EXAMPLES_NXCON_FONTCOLOR RGBTO24(0, 0, 0)
 #  elif CONFIG_EXAMPLES_NXCON_BPP == 16
-#    define CONFIG_EXAMPLES_NXCON_FONTCOLOR 0x0000
+#    define CONFIG_EXAMPLES_NXCON_FONTCOLOR RGBTO16(0, 0, 0)
 #  else
-#    define CONFIG_EXAMPLES_NXCON_FONTCOLOR 'F'
+#    define CONFIG_EXAMPLES_NXCON_FONTCOLOR RGBTO8(0, 0, 0)
 #  endif
 #endif
 
diff --git a/apps/examples/nxconsole/nxcon_main.c b/apps/examples/nxconsole/nxcon_main.c
index 2edea83ba..fad6b9c0c 100644
--- a/apps/examples/nxconsole/nxcon_main.c
+++ b/apps/examples/nxconsole/nxcon_main.c
@@ -490,7 +490,7 @@ int MAIN_NAME(int argc, char **argv)
       if (++ndx >= NCON_MSG_NLINES)
         {
 #ifdef CONFIG_NSH_BUILTIN_APPS
-          /* If this is an NSH built-in apps, then just return after all
+          /* If this is an NSH built-in app, then just return after all
            * of the lines have been presented.
            */
 
diff --git a/apps/examples/nxconsole/nxcon_toolbar.c b/apps/examples/nxconsole/nxcon_toolbar.c
index 38b5c1ee3..d4432b2f4 100644
--- a/apps/examples/nxconsole/nxcon_toolbar.c
+++ b/apps/examples/nxconsole/nxcon_toolbar.c
@@ -114,9 +114,19 @@ const struct nx_callback_s g_nxtoolcb =
 static void nxtool_redraw(NXWINDOW hwnd, FAR const struct nxgl_rect_s *rect,
                           bool more, FAR void *arg)
 {
+  nxgl_mxpixel_t color[CONFIG_NX_NPLANES];
+  int ret;
+
   gvdbg("hwnd=%p rect={(%d,%d),(%d,%d)} more=%s\n",
          hwnd, rect->pt1.x, rect->pt1.y, rect->pt2.x, rect->pt2.y,
          more ? "true" : "false");
+
+  color[0] = CONFIG_EXAMPLES_NXCON_TBCOLOR;
+  ret = nxtk_filltoolbar(hwnd, rect, color);
+  if (ret < 0)
+    {
+      gdbg("nxtk_filltoolbar failed: %d\n", errno);
+    }
 }
 
 /****************************************************************************
diff --git a/nuttx/Documentation/NXGraphicsSubsystem.html b/nuttx/Documentation/NXGraphicsSubsystem.html
index 81ead3ed2..9a4080668 100644
--- a/nuttx/Documentation/NXGraphicsSubsystem.html
+++ b/nuttx/Documentation/NXGraphicsSubsystem.html
@@ -3353,6 +3353,8 @@ int nxf_convert_32bpp(FAR uint32_t *dest, uint16_t height,
 
 <ul>
   <dl>
+    <dt><code>CONFIG_NXCONSOLE</code>:
+      <dd>Enables building of the NxConsole driver.
     <dt><code>CONFIG_NXCONSOLE_BPP</code>:
       <dd>Currently, NxConsole supports only a single pixel depth.
       This configuration setting must be provided to support that single pixel depth.
diff --git a/nuttx/configs/sim/README.txt b/nuttx/configs/sim/README.txt
index 71542a1b4..2a65300d9 100644
--- a/nuttx/configs/sim/README.txt
+++ b/nuttx/configs/sim/README.txt
@@ -367,8 +367,14 @@ nx11
   examples/nxconsole
   ------------------
   This configuration is also set up to use the examples/nxconsole
-  test instead of examples/nx.  Simply comment out the following
-  in the appconfig file:
+  test instead of examples/nx.  To enable this configuration,
+  First, select Multi-User mode as described above.  Then add the
+  following definitions to the defconfig file:
+
+    -CONFIG_NXCONSOLE=n
+    +CONFIG_NXCONSOLE=y
+
+  Comment out the following in the appconfig file:
 
     -CONFIGURED_APPS += examples/nx
     +#CONFIGURED_APPS += examples/nx
diff --git a/nuttx/configs/sim/nsh2/appconfig b/nuttx/configs/sim/nsh2/appconfig
index c967980a5..3a12d6f79 100644
--- a/nuttx/configs/sim/nsh2/appconfig
+++ b/nuttx/configs/sim/nsh2/appconfig
@@ -48,3 +48,8 @@ CONFIGURED_APPS += examples/nx
 CONFIGURED_APPS += examples/nxhello
 CONFIGURED_APPS += examples/nxlines
 CONFIGURED_APPS += examples/touchscreen
+
+ifeq ($(CONFIG_NXCONSOLE),y)
+CONFIGURED_APPS += examples/nxconsole
+endif
+
diff --git a/nuttx/configs/sim/nx/defconfig b/nuttx/configs/sim/nx/defconfig
index fcac93e09..05cfbf5ac 100644
--- a/nuttx/configs/sim/nx/defconfig
+++ b/nuttx/configs/sim/nx/defconfig
@@ -424,6 +424,8 @@ CONFIG_NX_MXCLIENTMSGS=16
 #
 # NxConsole Configuration Settings:
 #
+# CONFIG_NXCONSOLE
+#   Enables building of the NxConsole driver.
 # CONFIG_NXCONSOLE_BPP
 #   Currently, NxConsole supports only a single pixel depth. This
 #   configuration setting must be provided to support that single pixel depth.
@@ -452,6 +454,7 @@ CONFIG_NX_MXCLIENTMSGS=16
 #   of the window. This setting can be defining to change this behavior so
 #   that the text is simply truncated until a new line is  encountered.
 #
+CONFIG_NXCONSOLE=n
 CONFIG_NXCONSOLE_BPP=8
 # CONFIG_NXCONSOLE_NOGETRUN
 # CONFIG_NXCONSOLE_MXCHARS
diff --git a/nuttx/configs/sim/nx11/defconfig b/nuttx/configs/sim/nx11/defconfig
index 890e08592..d3962c49b 100644
--- a/nuttx/configs/sim/nx11/defconfig
+++ b/nuttx/configs/sim/nx11/defconfig
@@ -425,6 +425,8 @@ CONFIG_NX_MXCLIENTMSGS=16
 #
 # NxConsole Configuration Settings:
 #
+# CONFIG_NXCONSOLE
+#   Enables building of the NxConsole driver.
 # CONFIG_NXCONSOLE_BPP
 #   Currently, NxConsole supports only a single pixel depth. This
 #   configuration setting must be provided to support that single pixel depth.
@@ -453,6 +455,7 @@ CONFIG_NX_MXCLIENTMSGS=16
 #   of the window. This setting can be defining to change this behavior so
 #   that the text is simply truncated until a new line is  encountered.
 #
+CONFIG_NXCONSOLE=n
 CONFIG_NXCONSOLE_BPP=32
 # CONFIG_NXCONSOLE_NOGETRUN
 # CONFIG_NXCONSOLE_MXCHARS
diff --git a/nuttx/configs/stm3210e-eval/nsh2/appconfig b/nuttx/configs/stm3210e-eval/nsh2/appconfig
index de15b0ddf..dadecb4fc 100644
--- a/nuttx/configs/stm3210e-eval/nsh2/appconfig
+++ b/nuttx/configs/stm3210e-eval/nsh2/appconfig
@@ -50,9 +50,12 @@ CONFIGURED_APPS += examples/nx
 CONFIGURED_APPS += examples/nxhello
 #CONFIGURED_APPS += examples/nxlines
 #CONFIGURED_APPS += examples/nxtext
-#CONFIGURED_APPS += examples/nxconsole
 CONFIGURED_APPS += examples/usbstorage
 
+ifeq ($(CONFIG_NXCONSOLE),y)
+CONFIGURED_APPS += examples/nxconsole
+endif
+
 ifeq ($(CONFIG_I2C),y)
 CONFIGURED_APPS += system/i2c
 endif
diff --git a/nuttx/configs/stm3210e-eval/nsh2/defconfig b/nuttx/configs/stm3210e-eval/nsh2/defconfig
index 09a701b8d..1891c7e21 100644
--- a/nuttx/configs/stm3210e-eval/nsh2/defconfig
+++ b/nuttx/configs/stm3210e-eval/nsh2/defconfig
@@ -1043,6 +1043,8 @@ CONFIG_NX_MXCLIENTMSGS=16
 #
 # NxConsole Configuration Settings:
 #
+# CONFIG_NXCONSOLE
+#   Enables building of the NxConsole driver.
 # CONFIG_NXCONSOLE_BPP
 #   Currently, NxConsole supports only a single pixel depth. This
 #   configuration setting must be provided to support that single pixel depth.
@@ -1071,6 +1073,7 @@ CONFIG_NX_MXCLIENTMSGS=16
 #   of the window. This setting can be defining to change this behavior so
 #   that the text is simply truncated until a new line is  encountered.
 #
+CONFIG_NXCONSOLE=n
 CONFIG_NXCONSOLE_BPP=16
 # CONFIG_NXCONSOLE_NOGETRUN
 # CONFIG_NXCONSOLE_MXCHARS
diff --git a/nuttx/configs/stm3210e-eval/nx/defconfig b/nuttx/configs/stm3210e-eval/nx/defconfig
index 7532dab55..f1a5d46d3 100644
--- a/nuttx/configs/stm3210e-eval/nx/defconfig
+++ b/nuttx/configs/stm3210e-eval/nx/defconfig
@@ -893,6 +893,8 @@ CONFIG_NX_MXCLIENTMSGS=16
 #
 # NxConsole Configuration Settings:
 #
+# CONFIG_NXCONSOLE
+#   Enables building of the NxConsole driver.
 # CONFIG_NXCONSOLE_BPP
 #   Currently, NxConsole supports only a single pixel depth. This
 #   configuration setting must be provided to support that single pixel depth.
@@ -921,6 +923,7 @@ CONFIG_NX_MXCLIENTMSGS=16
 #   of the window. This setting can be defining to change this behavior so
 #   that the text is simply truncated until a new line is  encountered.
 #
+CONFIG_NXCONSOLE=n
 CONFIG_NXCONSOLE_BPP=16
 # CONFIG_NXCONSOLE_NOGETRUN
 # CONFIG_NXCONSOLE_MXCHARS
diff --git a/nuttx/configs/stm3210e-eval/nxlines/defconfig b/nuttx/configs/stm3210e-eval/nxlines/defconfig
index 7f912995f..0175dc9b5 100644
--- a/nuttx/configs/stm3210e-eval/nxlines/defconfig
+++ b/nuttx/configs/stm3210e-eval/nxlines/defconfig
@@ -892,6 +892,8 @@ CONFIG_NX_MXCLIENTMSGS=16
 #
 # NxConsole Configuration Settings:
 #
+# CONFIG_NXCONSOLE
+#   Enables building of the NxConsole driver.
 # CONFIG_NXCONSOLE_BPP
 #   Currently, NxConsole supports only a single pixel depth. This
 #   configuration setting must be provided to support that single pixel depth.
@@ -920,6 +922,7 @@ CONFIG_NX_MXCLIENTMSGS=16
 #   of the window. This setting can be defining to change this behavior so
 #   that the text is simply truncated until a new line is  encountered.
 #
+CONFIG_NXCONSOLE=n
 CONFIG_NXCONSOLE_BPP=16
 # CONFIG_NXCONSOLE_NOGETRUN
 # CONFIG_NXCONSOLE_MXCHARS
diff --git a/nuttx/configs/stm3210e-eval/nxtext/defconfig b/nuttx/configs/stm3210e-eval/nxtext/defconfig
index 07a97e2c8..0b92dac45 100644
--- a/nuttx/configs/stm3210e-eval/nxtext/defconfig
+++ b/nuttx/configs/stm3210e-eval/nxtext/defconfig
@@ -892,6 +892,8 @@ CONFIG_NX_MXCLIENTMSGS=16
 #
 # NxConsole Configuration Settings:
 #
+# CONFIG_NXCONSOLE
+#   Enables building of the NxConsole driver.
 # CONFIG_NXCONSOLE_BPP
 #   Currently, NxConsole supports only a single pixel depth. This
 #   configuration setting must be provided to support that single pixel depth.
@@ -920,6 +922,7 @@ CONFIG_NX_MXCLIENTMSGS=16
 #   of the window. This setting can be defining to change this behavior so
 #   that the text is simply truncated until a new line is  encountered.
 #
+CONFIG_NXCONSOLE=n
 CONFIG_NXCONSOLE_BPP=16
 # CONFIG_NXCONSOLE_NOGETRUN
 # CONFIG_NXCONSOLE_MXCHARS
diff --git a/nuttx/configs/vsn/nsh/appconfig b/nuttx/configs/vsn/nsh/appconfig
index ab296219f..a07059079 100755
--- a/nuttx/configs/vsn/nsh/appconfig
+++ b/nuttx/configs/vsn/nsh/appconfig
@@ -46,18 +46,12 @@
 # Path to example in apps/examples containing the user_start entry point
 CONFIGURED_APPS += examples/nsh
 
-# Invoke the following application after NuttX starts
-#CONFIG_BUILTIN_APP_START="hello"
-
 # Application Libraries
 CONFIGURED_APPS += system/readline
 CONFIGURED_APPS += nshlib
 
 # Individual selection of built-in applications:
 
-# Hello world provide a simple skeleton/demo application
-CONFIGURED_APPS += vsn/hello
-
 # Provide poweroff command to switch off the board
 CONFIGURED_APPS += vsn/poweroff
 
@@ -79,5 +73,3 @@ CONFIGURED_APPS += system/free
 # Provide FLASH program installation support
 CONFIGURED_APPS += system/install
 
-
-
diff --git a/nuttx/graphics/Makefile b/nuttx/graphics/Makefile
index 590e41ffa..4ba9b7d4f 100644
--- a/nuttx/graphics/Makefile
+++ b/nuttx/graphics/Makefile
@@ -68,9 +68,11 @@ include nxfonts/Make.defs
 DEPPATH		+= --dep-path nxfonts
 CFLAGS		+= ${shell $(TOPDIR)/tools/incdir.sh $(INCDIROPT) "$(CC)" $(TOPDIR)/graphics/nxfonts}
 
+ifeq ($(CONFIG_NXCONSOLE),y)
 include nxconsole/Make.defs
 DEPPATH		+= --dep-path nxconsole
 CFLAGS		+= ${shell $(TOPDIR)/tools/incdir.sh $(INCDIROPT) "$(CC)" $(TOPDIR)/graphics/nxconsole}
+endif
 
 ASRCS		= $(NXGLIB_ASRCS) $(NXBE_ASRCS) $(NX_ASRCS) $(NXTK_ASRCS) $(NXFONTS_ASRCS) $(NXCON_ASRCS)
 AOBJS		= $(ASRCS:.S=$(OBJEXT))
diff --git a/nuttx/graphics/README.txt b/nuttx/graphics/README.txt
index d5027c1f0..3e7f61bcf 100644
--- a/nuttx/graphics/README.txt
+++ b/nuttx/graphics/README.txt
@@ -319,6 +319,8 @@ CONFIG_NXFONT_SERIF38X49B
 
 NxConsole Configuration Settings:
 
+CONFIG_NXCONSOLE
+  Enables building of the NxConsole driver.
 CONFIG_NXCONSOLE_BPP
   Currently, NxConsole supports only a single pixel depth. This
   configuration setting must be provided to support that single pixel depth.
diff --git a/nuttx/graphics/nxconsole/nxcon_driver.c b/nuttx/graphics/nxconsole/nxcon_driver.c
index dc7d5f353..d4ab71464 100755
--- a/nuttx/graphics/nxconsole/nxcon_driver.c
+++ b/nuttx/graphics/nxconsole/nxcon_driver.c
@@ -124,6 +124,7 @@ static ssize_t nxcon_write(FAR struct file *filep, FAR const char *buffer,
                            size_t buflen)
 {
   FAR struct nxcon_state_s *priv;
+  ssize_t remaining;
   char ch;
   int lineheight;
   int ret;
@@ -145,7 +146,7 @@ static ssize_t nxcon_write(FAR struct file *filep, FAR const char *buffer,
 
   lineheight = (priv->fheight + CONFIG_NXCONSOLE_LINESEPARATION);
 
-  while (buflen-- > 0)
+  for (remaining = (ssize_t)buflen; remaining > 0; remaining--)
     {
       /* Ignore carriage returns */
 
@@ -195,7 +196,7 @@ static ssize_t nxcon_write(FAR struct file *filep, FAR const char *buffer,
     }
 
   sem_post(&priv->exclsem);
-  return buflen;
+  return (ssize_t)buflen;
 }
 
 /****************************************************************************
diff --git a/nuttx/include/nuttx/nx/nxconsole.h b/nuttx/include/nuttx/nx/nxconsole.h
index 3980d3a1e..bf2c32160 100644
--- a/nuttx/include/nuttx/nx/nxconsole.h
+++ b/nuttx/include/nuttx/nx/nxconsole.h
@@ -45,9 +45,42 @@
 #include <nuttx/nx/nx.h>
 #include <nuttx/nx/nxtk.h>
 
+#ifdef CONFIG_NXCONSOLE
+
 /****************************************************************************
  * Pre-processor definitions
  ****************************************************************************/
+/* Configuration ************************************************************/
+/* CONFIG_NXCONSOLE
+ *   Enables building of the NxConsole driver.
+ * CONFIG_NXCONSOLE_BPP
+ *   Currently, NxConsole supports only a single pixel depth. This
+ *   configuration setting must be provided to support that single pixel depth.
+ *   Default: The smallest enabled pixel depth. (see CONFIG_NX_DISABLE_*BPP)
+ * CONFIG_NXCONSOLE_NOGETRUN
+ *   NxConsole needs to know if it can read from the LCD or not. If reading
+ *   from the LCD is supported, then NxConsole can do more efficient
+ *   scrolling. Default: Supported
+ * CONFIG_NXCONSOLE_MXCHARS
+ *   NxConsole needs to remember every character written to the console so
+ *   that it can redraw the window. This setting determines the size of some
+ *   internal memory allocations used to hold the character data. Default: 128.
+ * CONFIG_NXCONSOLE_FONTCACHE
+ *   If this setting is defined, then caching of fonts will be supported by
+ *   NxConsole. Each font must be rendered from the tiny font storage format
+ *   to the full display size and pixel depth. If this setting is defined, then
+ *   the more recently used font glyphs will be retained in a cache of size
+ *   CONFIG_NXCONSOLE_CACHESIZE. Default: No font caching.
+ * CONFIG_NXCONSOLE_CACHESIZE
+ *   If CONFIG_NXCONSOLE_FONTCACHE, then this setting will control the size
+ *   of the font cache (in number of glyphs).  Default: 16.
+ * CONFIG_NXCONSOLE_LINESEPARATION
+ *   This the space (in rows) between each row of test.  Default: 2
+ * CONFIG_NXCONSOLE_NOWRAP
+ *   By default, lines will wrap when the test reaches the right hand side
+ *   of the window. This setting can be defining to change this behavior so
+ *   that the text is simply truncated until a new line is  encountered.
+ */
 
 /****************************************************************************
  * Public Types
@@ -198,4 +231,5 @@ EXTERN void nxcon_redraw(NXCONSOLE handle, FAR const struct nxgl_rect_s *rect,
 }
 #endif
 
+#endif /* CONFIG_NXCONSOLE */
 #endif /* __INCLUDE_NUTTX_NX_NXCONSOLE_H */
diff --git a/nuttx/lib/stdio/lib_libfflush.c b/nuttx/lib/stdio/lib_libfflush.c
index ec1591e7a..fb5a8768e 100644
--- a/nuttx/lib/stdio/lib_libfflush.c
+++ b/nuttx/lib/stdio/lib_libfflush.c
@@ -122,7 +122,7 @@ ssize_t lib_fflush(FAR FILE *stream, bool bforce)
 
   lib_take_semaphore(stream);
 
-  /* Make sure tht the buffer holds valid data */
+  /* Make sure that the buffer holds valid data */
 
   if (stream->fs_bufpos  != stream->fs_bufstart)
     {