From 07e5222a418853f4a9c4eede819afd1da4fa386f Mon Sep 17 00:00:00 2001
From: patacongo <patacongo@7fd9a85b-ad96-42d3-883c-3090e2eb8679>
Date: Wed, 28 Mar 2012 16:06:56 +0000
Subject: NX console updates

git-svn-id: https://nuttx.svn.sourceforge.net/svnroot/nuttx/trunk@4534 7fd9a85b-ad96-42d3-883c-3090e2eb8679
---
 nuttx/Documentation/NXGraphicsSubsystem.html  |  2 ++
 nuttx/configs/sim/README.txt                  | 10 ++++++--
 nuttx/configs/sim/nsh2/appconfig              |  5 ++++
 nuttx/configs/sim/nx/defconfig                |  3 +++
 nuttx/configs/sim/nx11/defconfig              |  3 +++
 nuttx/configs/stm3210e-eval/nsh2/appconfig    |  5 +++-
 nuttx/configs/stm3210e-eval/nsh2/defconfig    |  3 +++
 nuttx/configs/stm3210e-eval/nx/defconfig      |  3 +++
 nuttx/configs/stm3210e-eval/nxlines/defconfig |  3 +++
 nuttx/configs/stm3210e-eval/nxtext/defconfig  |  3 +++
 nuttx/configs/vsn/nsh/appconfig               |  8 -------
 nuttx/graphics/Makefile                       |  2 ++
 nuttx/graphics/README.txt                     |  2 ++
 nuttx/graphics/nxconsole/nxcon_driver.c       |  5 ++--
 nuttx/include/nuttx/nx/nxconsole.h            | 34 +++++++++++++++++++++++++++
 nuttx/lib/stdio/lib_libfflush.c               |  2 +-
 16 files changed, 79 insertions(+), 14 deletions(-)

(limited to 'nuttx')

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)
     {
-- 
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