Update some README files.

Documentation/README.html

@@ -8,7 +8,7 @@
   <tr align="center" bgcolor="#e4e4e4">
     <td>
       <h1><big><font color="#3c34ec"><i>NuttX README Files</i></font></big></h1>
-      <p>Last Updated: November 6, 2017</p>
+      <p>Last Updated: November 13, 2017</p>
     </td>
   </tr>
 </table>
@@ -285,6 +285,7 @@ nuttx/
  |   |- stm32f411e-disco/
  |   |   `- <a href="https://bitbucket.org/nuttx/nuttx/src/master/configs/stm32f411e-disco/README.txt" target="_blank"><b><i>README.txt</i></b></a>
  |   |- stm32f429i-disco/
+ |   |   |- <a href="https://bitbucket.org/nuttx/nuttx/src/master/configs/stm32f429i-disco/fb/README.txt" target="_blank"><b><i>fb/README.txt</i></b></a>
  |   |   |- <a href="https://bitbucket.org/nuttx/nuttx/src/master/configs/stm32f429i-disco/ide/ltcd/uvision/README.txt" target="_blank"><b><i>ide/ltcd/uvision/README.txt</i></b></a>
  |   |   `- <a href="https://bitbucket.org/nuttx/nuttx/src/master/configs/stm32f429i-disco/README.txt" target="_blank"><b><i>README.txt</i></b></a>
  |   |- stm32f746g-disco/

README.txt

@@ -1827,6 +1827,7 @@ nuttx/
  |   |- stm32f411e-disco/
  |   |   `- README.txt
  |   |- stm32f429i-disco/
+ |   |   |- fb/README.txt
  |   |   |- ide/ltcd/uvision/README.txt
  |   |   `- README.txt
  |   |- stm32f746g-disco/

configs/stm32f429i-disco/fb/README.txt

@@ -4,23 +4,25 @@ README.txt
 STM32F429I-DISCO LTDC Framebuffer demo example
 
 Configure and build
------------------------------------------------
+-------------------
+
 cd tools
-./configure -a <appdir> stm32f429i-disco/ltdc
+./configure -a <appdir> stm32f429i-disco/fb
 cd ..
 make
 
 Note!
 In the current implementation the DMA2D driver only supports clut pixel format
-if the LTDC driver it does. Otherwise it will not be compatible with the nx
+if the LTDC driver it does.  Otherwise it will not be compatible with the NX
-framework. If CONFIG_FB_CMAP is configured, nx expects that any pixel format
+framework.  If CONFIG_FB_CMAP is configured, NX expects that any pixel format
 supports color lookup tables. This is also the case for non CLUT formats e.g.
-FB_FMT_RGB16_565. This may result in wrong color representation by nx if the
+FB_FMT_RGB16_565. This may result in wrong color representation by NX if the
 pixel format is unequal to FB_FMT_RGB8.
 
 On the other hand layers with CLUT pixel format are not supported by the DMA2D
 controller, in the case they will be used as destination layer for the following
 operations:
+
 - blit
 - blend
 - fillarea
@@ -29,21 +31,23 @@ To enable clut support in both LTDC and DMA2D driver the following
 configurations are valid:
 
 1.
+
 - Enable LTDC_INTERFACE and LAYER1/LAYER2
 - Layer1 FB_FMT_RGB8
 - Layer2 any non clut format
 
 But Layer2 can only be used as destination layer for dma2d operations above.
-This configuration is not compatibly to nx because LAYER2 will be referenced
+This configuration is not compatibly to NX because LAYER2 will be referenced
 by up_fbgetvplane and is an invalid CLUT pixel format.
 
 2.
+
 - Enable LTDC_INTERFACE and LAYER1/LAYER2
 - Layer2 FB_FMT_RGB8
 - Layer1 any non clut format
 
 But Layer1 can only be used as destination layer for dma2d operations above.
-This configuration should be compatibly to nx because LAYER2 will be referenced
+This configuration should be compatibly to NX because LAYER2 will be referenced
 by up_fbgetvplane and is an valid CLUT pixel format.
 
 All other non clut configuration work fine.
@@ -54,17 +58,17 @@ specific configuration.
 
 
 Loading
------------------------------------------------
+-------
+
 st-flash write nuttx.bin 0x8000000
 
 Executing
------------------------------------------------
+---------
-The ltdc is initialized during boot up.
-Interaction with NSH is via the serial console at 115200 8N1 baud.
-From the nsh comandline execute one (or both) of the examples:
-- nx (default nx example)
-- ltdc (trivial ltdc interface test)
 
-Note! The ltdc example ends in an infinite loop. To get control of the nsh
+The ltdc is initialized during boot up.  Interaction with NSH is via the serial
-start this example in the background with 'ltdc &'.
+console at 115200 8N1 baud.  From the nsh comandline execute the fb example:
+
+  nsh> fb
+
+The test will put a pattern of concentric squares in the framebuffer and terminate.