Add configuration option to select VFAT

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@217 42af7a65-404d-4744-a932-0658087f49c3

Documentation/NuttxPortingGuide.html

@@ -1123,6 +1123,8 @@ The system can be re-made subsequently by just typing <code>make</code>.
      the particular chip or SoC.</li>
   <li><code>CONFIG_ARCH_BOARD_name</code>:
      For use in C code</li>
+  <li><code>CONFIG_ENDIAN_BIG</code>:
+     Define if big endian (default is little endian).</li>
 </ul>
 
 <p>

configs/README.txt

@@ -111,6 +111,8 @@ defconfig -- This is a configuration file similar to the Linux
 		CONFIG_ARCH_BOARD - Identifies the configs subdirectory and
 		   hence, the board that supports the particular chip or SoC.
 		CONFIG_ARCH_BOARD_name - For use in C code
+                CONFIG_ENDIAN_BIG - define if big endian (default is little
+                   endian)
 
 	Some architectures require a description of the the RAM configuration:
 

configs/c5471evm/defconfig

@@ -46,6 +46,7 @@
 #   the board that supports the particular chip or SoC.
 # CONFIG_ARCH_BOARD_name - for use in C code
 # CONFIG_BOARD_LOOPSPERMSEC - for delay loops
+# CONFIG_ENDIAN_BIG - define if big endian (default is little endian)
 # CONFIG_ROM_VECTORS - unique to c5471
 # CONFIG_DRAM_END - the size of installed DRAM.
 #   Unique to c5471

configs/m68332evb/defconfig

@@ -43,6 +43,7 @@
 # CONFIG_ARCH_BOARD - identifies the configs subdirectory and, hence,
 #   the board that supports the particular chip or SoC.
 # CONFIG_ARCH_BOARD_name - for use in C code
+# CONFIG_ENDIAN_BIG - define if big endian (default is little endian)
 # CONFIG_DRAM_SIZE - Describes the installed DRAM.
 # CONFIG_ARCH_STACKDUMP - Do stack dumps after assertions
 #

configs/mcu123-lpc214x/defconfig

@@ -44,6 +44,7 @@
 # CONFIG_ARCH_CHIP_name - For use in C code
 # CONFIG_ARCH_BOARD - identifies the configs subdirectory and, hence,
 #   the board that supports the particular chip or SoC.
+# CONFIG_ENDIAN_BIG - define if big endian (default is little endian)
 # CONFIG_ARCH_BOARD_name - for use in C code
 # CONFIG_BOARD_LOOPSPERMSEC - for delay loops
 # CONFIG_ARCH_LEDS - Use LEDs to show state. Unique to lpc2148.

configs/ntosd-dm320/defconfig

@@ -45,6 +45,7 @@
 # CONFIG_ARCH_BOARD - identifies the configs subdirectory and, hence,
 #   the board that supports the particular chip or SoC.
 # CONFIG_ARCH_BOARD_name - for use in C code
+# CONFIG_ENDIAN_BIG - define if big endian (default is little endian)
 # CONFIG_BOARD_LOOPSPERMSEC - for delay loops
 # CONFIG_DRAM_SIZE - Describes the installed DRAM.
 # CONFIG_DRAM_START - The start address of DRAM (physical)

configs/pjrc-8051/defconfig

@@ -42,6 +42,7 @@
 # CONFIG_ARCH_BOARD - identifies the configs subdirectory and, hence,
 #   the board that supports the particular chip or SoC.
 # CONFIG_ARCH_BOARD_name - for use in C code
+# CONFIG_ENDIAN_BIG - define if big endian (default is little endian)
 #
 CONFIG_ARCH=pjrc-8051
 CONFIG_ARCH_8051=n

configs/sim/defconfig

@@ -43,6 +43,7 @@
 # CONFIG_ARCH_BOARD - identifies the configs subdirectory and, hence,
 #   the board that supports the particular chip or SoC.
 # CONFIG_ARCH_BOARD_name - for use in C code
+# CONFIG_ENDIAN_BIG - define if big endian (default is little endian)
 #
 CONFIG_ARCH=sim
 CONFIG_ARCH_SIM=y
@@ -195,6 +196,11 @@ CONFIG_MAX_WDOGPARMS=4
 CONFIG_PREALLOC_WDOGS=32
 CONFIG_PREALLOC_TIMERS=8
 
+#
+# FAT filesystem configuration
+# CONFIG_FAT - Enable FAT filesystem support
+CONFIG_FS_FAT=y
+
 #
 # Stack and heap information
 #