From 3deb8eda59dd07053f3f6a0c650ebbc3d7f3b14e Mon Sep 17 00:00:00 2001
From: Gregory Nutt <gnutt@nuttx.org>
Date: Sun, 8 Jan 2017 18:10:56 -0600
Subject: [PATCH] Update README file, comments.

---
 configs/stm32f429i-disco/README.txt      | 68 +++++++++++++-----------
 configs/stm32f429i-disco/src/stm32_lcd.c | 13 ++---
 2 files changed, 41 insertions(+), 40 deletions(-)

diff --git a/configs/stm32f429i-disco/README.txt b/configs/stm32f429i-disco/README.txt
index c7fd6b2bf8..5eb382ec28 100644
--- a/configs/stm32f429i-disco/README.txt
+++ b/configs/stm32f429i-disco/README.txt
@@ -931,57 +931,63 @@ Where <subdir> is one of the following:
   nxwm
   ----
     This is a special configuration setup for the NxWM window manager
-    UnitTest.  The NxWM window manager can be found here:
+    UnitTest.
 
-      nuttx-code/NxWidgets/nxwm
+    NOTES:
+    1. The NxWM window manager can be found here:
 
-    The NxWM unit test can be found at:
+         nuttx-code/NxWidgets/nxwm
 
-      nuttx-code/NxWidgets/UnitTests/nxwm
+       The NxWM unit test can be found at:
 
-    Documentation for installing the NxWM unit test can be found here:
+         nuttx-code/NxWidgets/UnitTests/nxwm
 
-      nuttx-code/NxWidgets/UnitTests/README.txt
+       Documentation for installing the NxWM unit test can be found here:
 
-    Here is the quick summary of the build steps (Assuming that all of
-    the required packages are available in a directory ~/nuttx-code):
+         nuttx-code/NxWidgets/UnitTests/README.txt
 
-    1. Install the nxwm configuration
+    2. Here is the quick summary of the build steps (Assuming that all of
+       the required packages are available in a directory ~/nuttx-code):
 
-       $ cd ~/nuttx-code/nuttx/tools
-       $ ./configure.sh stm32f429i-disco/nxwm
+       1. Install the nxwm configuration
 
-    2. Make the build context (only)
+          $ cd ~/nuttx-code/nuttx/tools
+          $ ./configure.sh stm32f429i-disco/nxwm
 
-       $ cd ..
-       $ . ./setenv.sh
-       $ make context
-       ...
+       2. Make the build context (only)
 
-    3. Install the nxwm unit test
+          $ cd ..
+          $ . ./setenv.sh
+          $ make context
+          ...
 
-       $ cd ~/nuttx-code/NxWidgets
-       $ tools/install.sh ~/nuttx-code/apps nxwm
-       Creating symbolic link
+       3. Install the nxwm unit test
+
+          $ cd ~/nuttx-code/NxWidgets
+          $ tools/install.sh ~/nuttx-code/apps nxwm
+          Creating symbolic link
         - To ~/nuttx-code/NxWidgets/UnitTests/nxwm
         - At ~/nuttx-code/apps/external
 
-    4. Build the NxWidgets library
+       4. Build the NxWidgets library
 
-       $ cd ~/nuttx-code/NxWidgets/libnxwidgets
-       $ make TOPDIR=~/nuttx-code/nuttx
-       ...
+          $ cd ~/nuttx-code/NxWidgets/libnxwidgets
+          $ make TOPDIR=~/nuttx-code/nuttx
+         ...
 
-    5. Build the NxWM library
+       5. Build the NxWM library
 
-       $ cd ~/nuttx-code/NxWidgets/nxwm
-       $ make TOPDIR=~/nuttx-code/nuttx
-       ...
+          $ cd ~/nuttx-code/NxWidgets/nxwm
+          $ make TOPDIR=~/nuttx-code/nuttx
+          ...
 
-    6. Built NuttX with the installed unit test as the application
+       6. Built NuttX with the installed unit test as the application
 
-       $ cd ~/nuttx-code/nuttx
-       $ make
+          $ cd ~/nuttx-code/nuttx
+          $ make
+
+    3. Performance is not so good in this example configuration because it
+       uses the slower SPI interfaces.
 
     STATUS:
       17-01-08:  There are instabilities in this configuration that make it
diff --git a/configs/stm32f429i-disco/src/stm32_lcd.c b/configs/stm32f429i-disco/src/stm32_lcd.c
index 7aa094e57a..581216274b 100644
--- a/configs/stm32f429i-disco/src/stm32_lcd.c
+++ b/configs/stm32f429i-disco/src/stm32_lcd.c
@@ -170,8 +170,7 @@
                                         ILI9341_MADCTL_LANDSCAPE_BGR | \
                                         ILI9341_MADCTL_LANDSCAPE_MH)
 
-/*
- * Portrait:    00000000 / 00001000 / h08
+/* Portrait:    00000000 / 00001000 / h08
  *
  * MY:          0
  * MX:          0
@@ -199,8 +198,7 @@
                                         ILI9341_MADCTL_PORTRAIT_BGR | \
                                         ILI9341_MADCTL_PORTRAIT_MH)
 
-/*
- * RLandscape:  01100000 / 01101000 / h68
+/* RLandscape:  01100000 / 01101000 / h68
  *
  * MY:          0
  * MX:          1
@@ -229,8 +227,7 @@
                                         ILI9341_MADCTL_RLANDSCAPE_BGR | \
                                         ILI9341_MADCTL_RLANDSCAPE_MH)
 
-/*
- * RPortrait:   11000000 / 11001000 / hc8
+/* RPortrait:   11000000 / 11001000 / hc8
  *
  * MY:          1
  * MX:          1
@@ -463,7 +460,6 @@ FAR struct lcd_dev_s *board_lcd_getdev(int lcddev)
   return NULL;
 }
 
-
 /************************************************************************************
  * Name: board_lcd_initialize
  *
@@ -494,8 +490,7 @@ int board_lcd_initialize(void)
 
       if (dev)
         {
-          /*
-           * Get a reference to valid lcd driver structure to avoid repeated
+          /* Get a reference to valid lcd driver structure to avoid repeated
            * initialization of the LCD Device. Also enables uninitializing of
            * the LCD Device.
            */