Add STM32F4Discovery support for an SSD1289-based LCD

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@4769 42af7a65-404d-4744-a932-0658087f49c3

15 files changed, 2782 insertions, 11 deletions

diff --git a/nuttx/configs/stm32f4discovery/README.txt b/nuttx/configs/stm32f4discovery/README.txt
index 7c5f8ffd8..6663022aa 100755
--- a/nuttx/configs/stm32f4discovery/README.txt
+++ b/nuttx/configs/stm32f4discovery/README.txt
@@ -17,6 +17,7 @@ Contents
   - Timer Inputs/Outputs
   - FPU
   - FSMC SRAM
+  - SSD1289
   - STM32F4Discovery-specific Configuration Options
   - Configurations
 
@@ -219,17 +220,17 @@ defined.  In that case, the usage by the board port is defined in
 include/board.h and src/up_leds.c. The LEDs are used to encode OS-related
 events as follows:
 
-	SYMBOL				Meaning					LED1*	LED2	LED3	LED4
+  SYMBOL        Meaning          LED1*  LED2  LED3  LED4
                                                 green   orange  red     blue
-	-------------------	-----------------------	-------	-------	-------	------
-	LED_STARTED			NuttX has been started	ON		OFF		OFF		OFF
-	LED_HEAPALLOCATE	Heap has been allocated	OFF		ON		OFF		OFF
-	LED_IRQSENABLED		Interrupts enabled		ON		ON		OFF		OFF
-	LED_STACKCREATED	Idle stack created		OFF		OFF		ON		OFF
-	LED_INIRQ			In an interrupt**		ON		N/C		N/C		OFF
-	LED_SIGNAL			In a signal handler***  N/C		ON		N/C		OFF
-	LED_ASSERTION		An assertion failed		ON		ON		N/C		OFF
-	LED_PANIC			The system has crashed	N/C		N/C		N/C		ON
+  -------------------  -----------------------  -------  -------  -------  ------
+  LED_STARTED      NuttX has been started  ON    OFF    OFF    OFF
+  LED_HEAPALLOCATE  Heap has been allocated  OFF    ON    OFF    OFF
+  LED_IRQSENABLED    Interrupts enabled    ON    ON    OFF    OFF
+  LED_STACKCREATED  Idle stack created    OFF    OFF    ON    OFF
+  LED_INIRQ      In an interrupt**    ON    N/C    N/C    OFF
+  LED_SIGNAL      In a signal handler***  N/C    ON    N/C    OFF
+  LED_ASSERTION    An assertion failed    ON    ON    N/C    OFF
+  LED_PANIC      The system has crashed  N/C    N/C    N/C    ON
     LED_IDLE            STM32 is is sleep mode  (Optional, not used)
 
   * If LED1, LED2, LED3 are statically on, then NuttX probably failed to boot
@@ -500,6 +501,127 @@ See the section above on Toolchains, NOTE 2, for explanations for some of
 the configuration settings.  Some of the usual settings are just not supported
 by the "Lite" version of the Atollic toolchain.
 
+SSD1289
+=======
+
+I purchased an LCD display on eBay from china.  The LCD is 320x240 RGB565 and
+is based on an SSD1289 LCD controller and an XPT2046 touch IC.  The pin out
+from the 2x16 connect on the LCD is labeled as follows:
+
+LCD CONNECTOR:          SSD1289 MPU INTERFACE PINS
+
+   +------+------+      DEN     I  Display enble pin
+1  | GND  | 3V3  |  2   VSYNC   I  Frame synchonrization signal
+   +------+------+      HSYNC   I  Line synchroniziation signal
+3  | D1   | D0   |  4   DOTCLIK I  Dot clock ans OSC source
+   +------+------+      DC      I  Data or command
+5  | D3   | D2   |  6   E (~RD) I  Enable/Read strobe
+   +------+------+      R (~WR) I  Read/Write strobe
+7  | D5   | D4   |  8   D0-D17  IO For parallel mode, 8/9/16/18 bit interface
+   +------+------+      WSYNC   O  RAM write synchronizatin output
+9  | D7   | D6   | 10   ~RES    I  System reset
+   +------+------+      ~CS     I  Chip select of serial interface
+11 | D9   | D8   | 12   SCK     I  Clock of serial interface
+   +------+------+      SDI     I  Data input in serial mode
+13 | D11  | D10  | 14   SDO     O  Data output in serial moce
+   +------+------+
+15 | D13  | D12  | 16
+   +------+------+
+17 | D15  | D14  | 18
+   +------+------+
+19 | RS   | CS   | 20
+   +------+------+
+21 | RD   | WR   | 22
+   +------+------+
+23 |EL_CNT|RESET | 24
+   +------+------+
+25 |TP_RQ |TP_S0 | 26  These pins are for the touch panel
+   +------+------+
+27 | NC   |TP_SI | 28
+   +------+------+
+29 | NC   |TP_SCX| 30
+   +------+------+
+31 | NC   |TP_CS | 32
+   +------+------+
+
+MAPPING TO STM32 F4:
+
+   STM32 FUNCTION  LCD PIN       STM32F4Discovery pin
+  ---------------- ------------- --------------------
+   FSMC_D0          D0    pin 4   PD14 P1 pin 46
+   FSMC_D1          D1    pin 3   PD15 P1 pin 47
+   FSMC_D2          D2    pin 6   PD0  P2 pin 36
+   FSMC_D3          D3    pin 5   PD1  P2 pin 33
+   FSMC_D4          D4    pin 8   PE7  P1 pin 25
+   FSMC_D5          D5    pin 7   PE8  P1 pin 26
+   FSMC_D6          D6    pin 10  PE9  P1 pin 27
+   FSMC_D7          D7    pin 9   PE10 P1 pin 28
+   FSMC_D8          D8    pin 12  PE11 P1 pin 29
+   FSMC_D9          D9    pin 11  PE12 P1 pin 30
+   FSMC_D10         D10   pin 14  PE13 P1 pin 31
+   FSMC_D11         D11   pin 13  PE14 P1 pin 32
+   FSMC_D12         D12   pin 16  PE15 P1 pin 33
+   FSMC_D13         D13   pin 15  PD8  P1 pin 40
+   FSMC_D14         D14   pin 18  PD9  P1 pin 41
+   FSMC_D15         D15   pin 17  PD10 P1 pin 42
+   FSMC_A16         RS    pin 19  PD11 P1 pin 27
+   FSMC_NE1         ~CS   pin 10  PD7  P2 pin 27
+   FSMC_NWE         ~WR   pin 22  PD5  P2 pin 29
+   FSMC_NOE         ~RD   pin 21  PD4  P2 pin 32
+   PC6              RESET pin 24  PC6  P2 pin 47
+
+MAPPING of similar LCD in Arduino (write-only):
+
+  LCD PIN   BOARD CONNECTION
+  LEDA      5V
+  VCC       5V
+  RD        3.3V
+  GND       GND
+  DB0-7     Port C pins configured as outputs
+  DB8-15    Port A pins configured as outputs
+  RS        Pin configured as output
+  WR        Pin configured as output
+  CS        Pin configured as output
+  RSET      Pin configured as output
+
+Arduino bit banging interface:
+
+  void Reset(void)
+  {
+    Set RSET output
+    delay
+    Clear RSET output
+    delay
+    Set RSET output
+  }
+
+  void Write16(uint8_t ms, uint8_t ls)
+  {
+    Set port A to ms
+    Set port B to ls
+
+    Clear WR pin
+    Set   WR pin
+  }
+
+  void Index(uint8_t address)
+  {
+    Clear RS
+    Write16(0, address);
+  }
+
+  void WriteData(uin16_t data)
+  {
+    Set RS
+    Write16(data >> 8, data & 0xff);
+  }
+
+  void WriteRegiser(uint8_t address, uint16_t data)
+  {
+    Index(address);
+    WriteData(data);
+  }
+
 STM32F4Discovery-specific Configuration Options
 ===============================================
 
diff --git a/nuttx/configs/stm32f4discovery/include/board.h b/nuttx/configs/stm32f4discovery/include/board.h
index 414c78a64..414c78a64 100755..100644
--- a/nuttx/configs/stm32f4discovery/include/board.h
+++ b/nuttx/configs/stm32f4discovery/include/board.h
diff --git a/nuttx/configs/stm32f4discovery/nsh/defconfig b/nuttx/configs/stm32f4discovery/nsh/defconfig
index 2cc4383b5..2cc4383b5 100755..100644
--- a/nuttx/configs/stm32f4discovery/nsh/defconfig
+++ b/nuttx/configs/stm32f4discovery/nsh/defconfig
diff --git a/nuttx/configs/stm32f4discovery/nsh/ld.script b/nuttx/configs/stm32f4discovery/nsh/ld.script
index 899cba9a8..899cba9a8 100755..100644
--- a/nuttx/configs/stm32f4discovery/nsh/ld.script
+++ b/nuttx/configs/stm32f4discovery/nsh/ld.script
diff --git a/nuttx/configs/stm32f4discovery/nxlines/Make.defs b/nuttx/configs/stm32f4discovery/nxlines/Make.defs
new file mode 100644
index 000000000..19b1aba9c
--- /dev/null
+++ b/nuttx/configs/stm32f4discovery/nxlines/Make.defs
@@ -0,0 +1,197 @@
+############################################################################
+# configs/stm32f4discovery/nxlines/Make.defs
+#
+#   Copyright (C) 2012 Gregory Nutt. All rights reserved.
+#   Author: Gregory Nutt <gnutt@nuttx.org>
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+#
+# 1. Redistributions of source code must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+#    notice, this list of conditions and the following disclaimer in
+#    the documentation and/or other materials provided with the
+#    distribution.
+# 3. Neither the name NuttX nor the names of its contributors may be
+#    used to endorse or promote products derived from this software
+#    without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+# COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+# OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+# POSSIBILITY OF SUCH DAMAGE.
+#
+############################################################################
+
+include ${TOPDIR}/.config
+
+# Setup for the selected toolchain
+
+ifeq ($(CONFIG_STM32_CODESOURCERYW),y)
+  # CodeSourcery under Windows
+  CROSSDEV = arm-none-eabi-
+  ARCROSSDEV = arm-none-eabi-
+  WINTOOL = y
+  ARCHCPUFLAGS = -mcpu=cortex-m3 -mthumb -mfloat-abi=soft
+endif
+ifeq ($(CONFIG_STM32_CODESOURCERYL),y)
+  # CodeSourcery under Linux
+  CROSSDEV = arm-none-eabi-
+  ARCROSSDEV = arm-none-eabi-
+  ARCHCPUFLAGS = -mcpu=cortex-m3 -mthumb -mfloat-abi=soft
+  MAXOPTIMIZATION = -O2
+endif
+ifeq ($(CONFIG_STM32_ATOLLIC_LITE),y)
+  # Atollic toolchain under Windows
+  CROSSDEV = arm-atollic-eabi-
+  ARCROSSDEV =
+  WINTOOL = y
+ifeq ($(CONFIG_ARCH_FPU),y)
+  ARCHCPUFLAGS = -mcpu=cortex-m4 -mthumb -march=armv7e-m -mfpu=fpv4-sp-d16 -mfloat-abi=hard
+else
+  ARCHCPUFLAGS = -mcpu=cortex-m3 -mthumb -mfloat-abi=soft
+endif
+endif
+ifeq ($(CONFIG_STM32_ATOLLIC_PRO),y)
+  # Atollic toolchain under Windows
+  CROSSDEV = arm-atollic-eabi-
+  ARCROSSDEV = arm-atollic-eabi-
+  WINTOOL = y
+ifeq ($(CONFIG_ARCH_FPU),y)
+  ARCHCPUFLAGS = -mcpu=cortex-m4 -mthumb -march=armv7e-m -mfpu=fpv4-sp-d16 -mfloat-abi=hard
+else
+  ARCHCPUFLAGS = -mcpu=cortex-m3 -mthumb -mfloat-abi=soft
+endif
+endif
+ifeq ($(CONFIG_STM32_DEVKITARM),y)
+  # devkitARM under Windows
+  CROSSDEV = arm-eabi-
+  ARCROSSDEV = arm-eabi-
+  WINTOOL = y
+  ARCHCPUFLAGS = -mcpu=cortex-m3 -mthumb -mfloat-abi=soft
+endif
+ifeq ($(CONFIG_STM32_RAISONANCE),y)
+  # Raisonance RIDE7 under Windows
+  CROSSDEV = arm-none-eabi-
+  ARCROSSDEV = arm-none-eabi-
+  WINTOOL = y
+  ARCHCPUFLAGS = -mcpu=cortex-m3 -mthumb -mfloat-abi=soft
+endif
+ifeq ($(CONFIG_STM32_BUILDROOT),y)
+  # NuttX buildroot under Linux or Cygwin
+  CROSSDEV = arm-elf-
+  ARCROSSDEV = arm-elf-
+  ARCHCPUFLAGS = -mtune=cortex-m3 -march=armv7-m -mfloat-abi=soft
+  MAXOPTIMIZATION = -Os
+endif
+
+LDSCRIPT = ld.script
+
+ifeq ($(WINTOOL),y)
+  # Windows-native toolchains
+  DIRLINK = $(TOPDIR)/tools/winlink.sh
+  DIRUNLINK = $(TOPDIR)/tools/unlink.sh
+  MKDEP = $(TOPDIR)/tools/mknulldeps.sh
+  ARCHINCLUDES = -I. -isystem "${shell cygpath -w $(TOPDIR)/include}"
+  ARCHXXINCLUDES = -I. -isystem "${shell cygpath -w $(TOPDIR)/include}" -isystem "${shell cygpath -w $(TOPDIR)/include/cxx}"
+  ARCHSCRIPT = -T "${shell cygpath -w $(TOPDIR)/configs/$(CONFIG_ARCH_BOARD)/nxlines/$(LDSCRIPT)}"
+  MAXOPTIMIZATION = -O2
+else
+  # Linux/Cygwin-native toolchain 
+  MKDEP = $(TOPDIR)/tools/mkdeps.sh
+  ARCHINCLUDES = -I. -isystem $(TOPDIR)/include
+  ARCHXXINCLUDES = -I. -isystem $(TOPDIR)/include -isystem $(TOPDIR)/include/cxx
+  ARCHSCRIPT = -T$(TOPDIR)/configs/$(CONFIG_ARCH_BOARD)/nxlines/$(LDSCRIPT)
+endif
+
+CC = $(CROSSDEV)gcc
+CXX = $(CROSSDEV)g++
+CPP = $(CROSSDEV)gcc -E
+LD = $(CROSSDEV)ld
+AR = $(ARCROSSDEV)ar rcs
+NM = $(ARCROSSDEV)nm
+OBJCOPY = $(CROSSDEV)objcopy
+OBJDUMP = $(CROSSDEV)objdump
+
+ARCHCCVERSION = ${shell $(CC) -v 2>&1 | sed -n '/^gcc version/p' | sed -e 's/^gcc version \([0-9\.]\)/\1/g' -e 's/[-\ ].*//g' -e '1q'}
+ARCHCCMAJOR = ${shell echo $(ARCHCCVERSION) | cut -d'.' -f1}
+
+ifeq ("${CONFIG_DEBUG_SYMBOLS}","y")
+  ARCHOPTIMIZATION = -g
+else
+  ARCHOPTIMIZATION = $(MAXOPTIMIZATION) -fno-strict-aliasing -fno-strength-reduce -fomit-frame-pointer
+endif
+
+ARCHCFLAGS = -fno-builtin
+ARCHCXXFLAGS = -fno-builtin -fno-exceptions -fno-rtti
+ARCHWARNINGS = -Wall -Wstrict-prototypes -Wshadow
+ARCHWARNINGSXX = -Wall -Wshadow
+ARCHDEFINES =
+ARCHPICFLAGS = -fpic -msingle-pic-base -mpic-register=r10
+
+CFLAGS = $(ARCHCFLAGS) $(ARCHWARNINGS) $(ARCHOPTIMIZATION) $(ARCHCPUFLAGS) $(ARCHINCLUDES) $(ARCHDEFINES) $(EXTRADEFINES) -pipe
+CPICFLAGS = $(ARCHPICFLAGS) $(CFLAGS)
+CXXFLAGS = $(ARCHCXXFLAGS) $(ARCHWARNINGSXX) $(ARCHOPTIMIZATION) $(ARCHCPUFLAGS) $(ARCHXXINCLUDES) $(ARCHDEFINES) $(EXTRADEFINES) -pipe
+CXXPICFLAGS = $(ARCHPICFLAGS) $(CXXFLAGS)
+CPPFLAGS = $(ARCHINCLUDES) $(ARCHDEFINES) $(EXTRADEFINES)
+AFLAGS = $(CFLAGS) -D__ASSEMBLY__
+
+NXFLATLDFLAGS1 = -r -d -warn-common
+NXFLATLDFLAGS2 = $(NXFLATLDFLAGS1) -T$(TOPDIR)/binfmt/libnxflat/gnu-nxflat.ld -no-check-sections
+LDNXFLATFLAGS = -e main -s 2048
+
+OBJEXT = .o
+LIBEXT = .a
+EXEEXT =
+
+ifneq ($(CROSSDEV),arm-elf-)
+  LDFLAGS += -nostartfiles -nodefaultlibs
+endif
+ifeq ($(CONFIG_DEBUG_SYMBOLS),y)
+  LDFLAGS += -g
+endif
+
+define PREPROCESS
+	@echo "CPP: $1->$2"
+	@$(CPP) $(CPPFLAGS) $1 -o $2
+endef
+
+define COMPILE
+	@echo "CC: $1"
+	@$(CC) -c $(CFLAGS) $1 -o $2
+endef
+
+define COMPILEXX
+	@echo "CXX: $1"
+	@$(CXX) -c $(CXXFLAGS) $1 -o $2
+endef
+
+define ASSEMBLE
+	@echo "AS: $1"
+	@$(CC) -c $(AFLAGS) $1 -o $2
+endef
+
+define ARCHIVE
+	echo "AR: $2"; \
+	$(AR) $1 $2 || { echo "$(AR) $1 $2 FAILED!" ; exit 1 ; }
+endef
+
+define CLEAN
+	@rm -f *.o *.a
+endef
+
+HOSTCC = gcc
+HOSTINCLUDES = -I.
+HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -g -pipe
+HOSTLDFLAGS =
+
diff --git a/nuttx/configs/stm32f4discovery/nxlines/appconfig b/nuttx/configs/stm32f4discovery/nxlines/appconfig
new file mode 100644
index 000000000..1f9921461
--- /dev/null
+++ b/nuttx/configs/stm32f4discovery/nxlines/appconfig
@@ -0,0 +1,38 @@
+############################################################################
+# configs/stm32f4discovery/nxlines/appconfig
+#
+#   Copyright (C) 2012 Gregory Nutt. All rights reserved.
+#   Author: Gregory Nutt <gnutt@nuttx.org>
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+#
+# 1. Redistributions of source code must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+#    notice, this list of conditions and the following disclaimer in
+#    the documentation and/or other materials provided with the
+#    distribution.
+# 3. Neither the name NuttX nor the names of its contributors may be
+#    used to endorse or promote products derived from this software
+#    without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+# COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+# OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+# POSSIBILITY OF SUCH DAMAGE.
+#
+############################################################################
+
+# Path to example in apps/examples containing the user_start entry point
+
+CONFIGURED_APPS += examples/nxlines
diff --git a/nuttx/configs/stm32f4discovery/nxlines/defconfig b/nuttx/configs/stm32f4discovery/nxlines/defconfig
new file mode 100644
index 000000000..035127dfd
--- /dev/null
+++ b/nuttx/configs/stm32f4discovery/nxlines/defconfig
@@ -0,0 +1,1545 @@
+############################################################################
+# configs/stm32f4discovery/nxlines/defconfig
+#
+#   Copyright (C) 2012 Gregory Nutt. All rights reserved.
+#   Author: Gregory Nutt <gnutt@nuttx.org>
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+#
+# 1. Redistributions of source code must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+#    notice, this list of conditions and the following disclaimer in
+#    the documentation and/or other materials provided with the
+#    distribution.
+# 3. Neither the name NuttX nor the names of its contributors may be
+#    used to endorse or promote products derived from this software
+#    without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+# COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+# OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+# POSSIBILITY OF SUCH DAMAGE.
+#
+############################################################################
+#
+# architecture selection
+#
+# CONFIG_ARCH - identifies the arch subdirectory and, hence, the
+#   processor architecture.
+# CONFIG_ARCH_family - for use in C code.  This identifies the
+#   particular chip family that the architecture is implemented
+#   in.
+# CONFIG_ARCH_architecture - for use in C code.  This identifies the
+#   specific architecture within the chip familyl.
+# CONFIG_ARCH_CHIP - Identifies the arch/*/chip subdirectory
+# 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_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)
+# CONFIG_DRAM_END - Last address+1 of installed RAM
+# CONFIG_ARCH_IRQPRIO - The STM3240xxx supports interrupt prioritization
+# CONFIG_ARCH_FPU - The STM3240xxx supports a floating point unit (FPU)
+#   (But, unfortunately, GCC does not support it).
+# CONFIG_ARCH_INTERRUPTSTACK - This architecture supports an interrupt
+#   stack. If defined, this symbol is the size of the interrupt
+#   stack in bytes.  If not defined, the user task stacks will be
+#   used during interrupt handling.
+# CONFIG_ARCH_STACKDUMP - Do stack dumps after assertions
+# CONFIG_ARCH_BOOTLOADER - Set if you are using a bootloader.
+# CONFIG_ARCH_LEDS -  Use LEDs to show state. Unique to board architecture.
+# CONFIG_ARCH_BUTTONS -  Enable support for buttons. Unique to board architecture.
+# CONFIG_ARCH_CALIBRATION - Enables some build in instrumentation that
+#   cause a 100 second delay during boot-up.  This 100 second delay
+#   serves no purpose other than it allows you to calibrate
+# CONFIG_BOARD_LOOPSPERMSEC.  You simply use a stop watch to measure
+#   the 100 second delay then adjust CONFIG_BOARD_LOOPSPERMSEC until
+#   the delay actually is 100 seconds.
+# CONFIG_ARCH_DMA - Support DMA initialization
+#
+CONFIG_ARCH=arm
+CONFIG_ARCH_ARM=y
+CONFIG_ARCH_CORTEXM4=y
+CONFIG_ARCH_CHIP=stm32
+CONFIG_ARCH_CHIP_STM32F407VG=y
+CONFIG_ARCH_BOARD=stm32f4discovery
+CONFIG_ARCH_BOARD_STM32F4_DISCOVERY=y
+CONFIG_BOARD_LOOPSPERMSEC=16717
+CONFIG_DRAM_SIZE=0x00030000
+CONFIG_DRAM_START=0x20000000
+CONFIG_DRAM_END=(CONFIG_DRAM_START+CONFIG_DRAM_SIZE)
+CONFIG_ARCH_IRQPRIO=y
+CONFIG_ARCH_FPU=n
+CONFIG_ARCH_INTERRUPTSTACK=n
+CONFIG_ARCH_STACKDUMP=y
+CONFIG_ARCH_BOOTLOADER=n
+CONFIG_ARCH_LEDS=y
+CONFIG_ARCH_BUTTONS=y
+CONFIG_ARCH_CALIBRATION=n
+CONFIG_ARCH_DMA=n
+
+#
+# Identify toolchain and linker options
+#
+CONFIG_STM32_CODESOURCERYW=y
+CONFIG_STM32_CODESOURCERYL=n
+CONFIG_STM32_ATOLLIC_LITE=n
+CONFIG_STM32_ATOLLIC_PRO=n
+CONFIG_STM32_DEVKITARM=n
+CONFIG_STM32_RAISONANCE=n
+CONFIG_STM32_BUILDROOT=n
+
+#
+# JTAG Enable settings (by default only SW-DP is enabled):
+#
+#   CONFIG_STM32_DFU - Use the DFU bootloader, not JTAG
+#
+# JTAG Enable options:
+#
+#   CONFIG_STM32_JTAG_FULL_ENABLE - Enables full SWJ (JTAG-DP + SW-DP)
+#   CONFIG_STM32_JTAG_NOJNTRST_ENABLE - Enables full SWJ (JTAG-DP + SW-DP)
+#     but without JNTRST.
+#   CONFIG_STM32_JTAG_SW_ENABLE - Set JTAG-DP disabled and SW-DP enabled
+#
+CONFIG_STM32_DFU=n
+CONFIG_STM32_JTAG_FULL_ENABLE=n
+CONFIG_STM32_JTAG_NOJNTRST_ENABLE=n
+CONFIG_STM32_JTAG_SW_ENABLE=y
+
+#
+#  Individual subsystems can be enabled:
+#
+# Individual subsystems can be enabled:
+# AHB1:
+CONFIG_STM32_CRC=n
+CONFIG_STM32_BKPSRAM=n
+CONFIG_STM32_CCMDATARAM=n
+CONFIG_STM32_DMA1=n
+CONFIG_STM32_DMA2=n
+CONFIG_STM32_ETHMAC=n
+CONFIG_STM32_OTGHS=n
+# AHB2:
+CONFIG_STM32_DCMI=n
+CONFIG_STM32_CRYP=n
+CONFIG_STM32_HASH=n
+CONFIG_STM32_RNG=n
+CONFIG_STM32_OTGFS=y
+# AHB3:
+CONFIG_STM32_FSMC=y
+# APB1:
+CONFIG_STM32_TIM2=n
+CONFIG_STM32_TIM3=n
+CONFIG_STM32_TIM4=n
+CONFIG_STM32_TIM5=n
+CONFIG_STM32_TIM6=n
+CONFIG_STM32_TIM7=n
+CONFIG_STM32_TIM12=n
+CONFIG_STM32_TIM13=n
+CONFIG_STM32_TIM14=n
+CONFIG_STM32_WWDG=n
+CONFIG_STM32_IWDG=n
+CONFIG_STM32_SPI2=n
+CONFIG_STM32_SPI3=n
+CONFIG_STM32_USART2=y
+CONFIG_STM32_USART3=n
+CONFIG_STM32_UART4=n
+CONFIG_STM32_UART5=n
+CONFIG_STM32_I2C1=n
+CONFIG_STM32_I2C2=n
+CONFIG_STM32_I2C3=n
+CONFIG_STM32_CAN1=n
+CONFIG_STM32_CAN2=n
+CONFIG_STM32_DAC=n
+CONFIG_STM32_PWR=y
+# APB2:
+CONFIG_STM32_TIM1=n
+CONFIG_STM32_TIM8=n
+CONFIG_STM32_USART1=n
+CONFIG_STM32_USART6=n
+CONFIG_STM32_ADC1=n
+CONFIG_STM32_ADC2=n
+CONFIG_STM32_ADC3=n
+CONFIG_STM32_SDIO=n
+CONFIG_STM32_SPI1=y
+CONFIG_STM32_SYSCFG=y
+CONFIG_STM32_TIM9=n
+CONFIG_STM32_TIM10=n
+CONFIG_STM32_TIM11=n
+
+#
+# Timer and I2C devices may need to the following to force power to be applied:
+#
+#CONFIG_STM32_FORCEPOWER=y
+
+#
+# STM32F40xxx specific serial device driver settings
+#
+# CONFIG_USARTn_SERIAL_CONSOLE - selects the USARTn for the
+#   console and ttys0 (default is the USART1).
+# CONFIG_USARTn_RXBUFSIZE - Characters are buffered as received.
+#   This specific the size of the receive buffer
+# CONFIG_USARTn_TXBUFSIZE - Characters are buffered before
+#   being sent.  This specific the size of the transmit buffer
+# CONFIG_USARTn_BAUD - The configure BAUD of the UART.  Must be
+# CONFIG_USARTn_BITS - The number of bits.  Must be either 7 or 8.
+# CONFIG_USARTn_PARTIY - 0=no parity, 1=odd parity, 2=even parity
+# CONFIG_USARTn_2STOP - Two stop bits
+#
+CONFIG_USART1_SERIAL_CONSOLE=n
+CONFIG_USART2_SERIAL_CONSOLE=y
+CONFIG_USART3_SERIAL_CONSOLE=n
+CONFIG_USART4_SERIAL_CONSOLE=n
+CONFIG_USART5_SERIAL_CONSOLE=n
+
+CONFIG_USART1_TXBUFSIZE=128
+CONFIG_USART2_TXBUFSIZE=128
+CONFIG_USART3_TXBUFSIZE=128
+CONFIG_USART4_TXBUFSIZE=128
+CONFIG_USART5_TXBUFSIZE=128
+
+CONFIG_USART1_RXBUFSIZE=128
+CONFIG_USART2_RXBUFSIZE=128
+CONFIG_USART3_RXBUFSIZE=128
+CONFIG_USART4_RXBUFSIZE=128
+CONFIG_USART5_RXBUFSIZE=128
+
+CONFIG_USART1_BAUD=115200
+CONFIG_USART2_BAUD=115200
+CONFIG_USART3_BAUD=115200
+CONFIG_USART4_BAUD=115200
+CONFIG_USART5_BAUD=115200
+
+CONFIG_USART1_BITS=8
+CONFIG_USART2_BITS=8
+CONFIG_USART3_BITS=8
+CONFIG_USART4_BITS=8
+CONFIG_USART5_BITS=8
+
+CONFIG_USART1_PARITY=0
+CONFIG_USART2_PARITY=0
+CONFIG_USART3_PARITY=0
+CONFIG_USART4_PARITY=0
+CONFIG_USART5_PARITY=0
+
+CONFIG_USART1_2STOP=0
+CONFIG_USART2_2STOP=0
+CONFIG_USART3_2STOP=0
+CONFIG_USART4_2STOP=0
+CONFIG_USART5_2STOP=0
+
+#
+# STM32F40xxx specific SPI device driver settings
+#
+CONFIG_SPI_EXCHANGE=y
+
+#
+# STM32F40xxx specific CAN device driver settings
+#
+# CONFIG_CAN - Enables CAN support (one or both of CONFIG_STM32_CAN1 or
+#   CONFIG_STM32_CAN2 must also be defined)
+# CONFIG_CAN_EXTID - Enables support for the 29-bit extended ID.  Default
+#   Standard 11-bit IDs.
+# CONFIG_CAN_FIFOSIZE - The size of the circular buffer of CAN messages.
+#   Default: 8
+# CONFIG_CAN_NPENDINGRTR - The size of the list of pending RTR requests.
+#   Default: 4
+# CONFIG_CAN_LOOPBACK - A CAN driver may or may not support a loopback
+#   mode for testing. The STM32 CAN driver does support loopback mode.
+# CONFIG_CAN1_BAUD - CAN1 BAUD rate.  Required if CONFIG_STM32_CAN1 is defined.
+# CONFIG_CAN2_BAUD - CAN1 BAUD rate.  Required if CONFIG_STM32_CAN2 is defined.
+#
+CONFIG_CAN=n
+CONFIG_CAN_EXTID=n
+#CONFIG_CAN_FIFOSIZE
+#CONFIG_CAN_NPENDINGRTR
+CONFIG_CAN_LOOPBACK=n
+CONFIG_CAN1_BAUD=700000
+CONFIG_CAN2_BAUD=700000
+
+#
+# STM32F40xxx Ethernet device driver settings
+#
+# CONFIG_STM32_PHYADDR - The 5-bit address of the PHY on the board
+# CONFIG_STM32_MII - Support Ethernet MII interface
+# CONFIG_STM32_MII_MCO1 - Use MCO1 to clock the MII interface
+# CONFIG_STM32_MII_MCO2 - Use MCO2 to clock the MII interface
+# CONFIG_STM32_RMII - Support Ethernet RMII interface
+# CONFIG_STM32_AUTONEG - Use PHY autonegotion to determine speed and mode
+# CONFIG_STM32_ETHFD - If CONFIG_STM32_AUTONEG is not defined, then this
+#   may be defined to select full duplex mode. Default: half-duplex
+# CONFIG_STM32_ETH100MBPS - If CONFIG_STM32_AUTONEG is not defined, then this
+#   may be defined to select 100 MBps speed.  Default: 10 Mbps
+# CONFIG_STM32_PHYSR - This must be provided if CONFIG_STM32_AUTONEG is
+#   defined.  The PHY status register address may diff from PHY to PHY.  This
+#   configuration sets the address of the PHY status register.
+# CONFIG_STM32_PHYSR_SPEED - This must be provided if CONFIG_STM32_AUTONEG is
+#   defined.  This provides bit mask indicating 10 or 100MBps speed.
+# CONFIG_STM32_PHYSR_100MBPS - This must be provided if CONFIG_STM32_AUTONEG is
+#   defined.  This provides the value of the speed bit(s) indicating 100MBps speed.
+# CONFIG_STM32_PHYSR_MODE - This must be provided if CONFIG_STM32_AUTONEG is
+#   defined.  This provide bit mask indicating full or half duplex modes.
+# CONFIG_STM32_PHYSR_FULLDUPLEX - This must be provided if CONFIG_STM32_AUTONEG is
+#   defined.  This provides the value of the mode bits indicating full duplex mode.
+# CONFIG_STM32_ETH_PTP - Precision Time Protocol (PTP).  Not supported
+#   but some hooks are indicated with this condition.
+# CONFIG_STM32_ETHMAC_REGDEBUG - If CONFIG_DEBUG is also enabled, this will
+#   generate far more debug output than you could ever care to see unless you
+#   are debugging low-level Ethernet driver features.
+#
+CONFIG_STM32_PHYADDR=0x01
+CONFIG_STM32_MII=y
+CONFIG_STM32_MII_MCO1=y
+CONFIG_STM32_MII_MCO2=n
+CONFIG_STM32_RMII=n
+CONFIG_STM32_AUTONEG=y
+#CONFIG_STM32_ETHFD
+#CONFIG_STM32_ETH100MB
+CONFIG_STM32_PHYSR=16
+CONFIG_STM32_PHYSR_SPEED=0x0002
+CONFIG_STM32_PHYSR_100MBPS=0x0000
+CONFIG_STM32_PHYSR_MODE=0x0004
+CONFIG_STM32_PHYSR_FULLDUPLEX=0x0004
+CONFIG_STM32_ETH_PTP=n
+CONFIG_STM32_ETHMAC_REGDEBUG=n
+
+#
+# PWM configuration
+#
+# The stm32f4discovery has no real on-board PWM devices, but the board can be configured to output
+# a pulse train using TIM4 CH2.  (Don't forget to set CONFIG_STM32_TIM4=y above)
+#
+CONFIG_PWM=n
+CONFIG_STM32_TIM4_PWM=y
+CONFIG_STM32_TIM4_CHANNEL=2
+
+#
+# Quadrature Encoder configuration.
+#
+# CONFIG_QENCODER - Enables the upper-half quadrature encoder driver
+# CONFIG_STM32_TIMn - Enables TIMn
+# CONFIG_STM32_TIMn_QE - Configures TIMn as a quadrature encoder
+# CONFIG_STM32_TIMn_QECLKOUT - Used to configure the TIMn prescaler value
+#
+# Uses TIM2 or TIM8.  TIM2 also needs CONFIG_STM32_TIM2=y; TIM8 needs CONFIG_STM_TIM8=y above.
+#
+CONFIG_QENCODER=n
+CONFIG_STM32_TIM2_QE=n
+CONFIG_STM32_TIM2_QECLKOUT=28000000
+CONFIG_STM32_TIM8_QE=y
+CONFIG_STM32_TIM8_QECLKOUT=28000000
+
+#
+# General build options
+#
+# CONFIG_RRLOAD_BINARY - make the rrload binary format used with
+#   BSPs from www.ridgerun.com using the tools/mkimage.sh script
+# CONFIG_INTELHEX_BINARY - make the Intel HEX binary format
+#   used with many different loaders using the GNU objcopy program
+#   Should not be selected if you are not using the GNU toolchain.
+# CONFIG_MOTOROLA_SREC - make the Motorola S-Record binary format
+#   used with many different loaders using the GNU objcopy program
+#   Should not be selected if you are not using the GNU toolchain.
+# CONFIG_RAW_BINARY - make a raw binary format file used with many
+#   different loaders using the GNU objcopy program.  This option
+#   should not be selected if you are not using the GNU toolchain.
+# CONFIG_HAVE_LIBM - toolchain supports libm.a
+#
+CONFIG_RRLOAD_BINARY=n
+CONFIG_INTELHEX_BINARY=y
+CONFIG_MOTOROLA_SREC=n
+CONFIG_RAW_BINARY=y
+CONFIG_HAVE_LIBM=n
+
+#
+# General OS setup
+#
+# CONFIG_APPS_DIR - Identifies the relative path to the directory
+#   that builds the application to link with NuttX.  Default: ../apps
+# CONFIG_DEBUG - enables built-in debug options
+# CONFIG_DEBUG_VERBOSE - enables verbose debug output
+# CONFIG_DEBUG_SYMBOLS - build without optimization and with
+#   debug symbols (needed for use with a debugger).
+# CONFIG_HAVE_CXX - Enable support for C++
+# CONFIG_HAVE_CXXINITIALIZE - The platform-specific logic includes support
+#   for initialization of static C++ instances for this architecture
+#   and for the selected toolchain (via up_cxxinitialize()).
+# CONFIG_MM_REGIONS - If the architecture includes multiple
+#   regions of memory to allocate from, this specifies the
+#   number of memory regions that the memory manager must
+#   handle and enables the API mm_addregion(start, end);
+# CONFIG_ARCH_LOWPUTC - architecture supports low-level, boot
+#   time console output
+# CONFIG_MSEC_PER_TICK - The default system timer is 100Hz
+#   or MSEC_PER_TICK=10.  This setting may be defined to
+#   inform NuttX that the processor hardware is providing
+#   system timer interrupts at some interrupt interval other
+#   than 10 msec.
+# CONFIG_RR_INTERVAL - The round robin timeslice will be set
+#   this number of milliseconds;  Round robin scheduling can
+#   be disabled by setting this value to zero.
+# CONFIG_SCHED_INSTRUMENTATION - enables instrumentation in 
+#   scheduler to monitor system performance
+# CONFIG_TASK_NAME_SIZE - Spcifies that maximum size of a
+#   task name to save in the TCB.  Useful if scheduler
+#   instrumentation is selected.  Set to zero to disable.
+# CONFIG_START_YEAR, CONFIG_START_MONTH, CONFIG_START_DAY -
+#   Used to initialize the internal time logic.
+# CONFIG_GREGORIAN_TIME - Enables Gregorian time conversions.
+#   You would only need this if you are concerned about accurate
+#   time conversions in the past or in the distant future.
+# CONFIG_JULIAN_TIME - Enables Julian time conversions. You
+#   would only need this if you are concerned about accurate
+#   time conversion in the distand past.  You must also define
+#   CONFIG_GREGORIAN_TIME in order to use Julian time.
+# CONFIG_DEV_CONSOLE - Set if architecture-specific logic
+#   provides /dev/console.  Enables stdout, stderr, stdin.
+# CONFIG_DEV_LOWCONSOLE - Use the simple, low-level serial console
+#   driver (minimul support)
+# CONFIG_MUTEX_TYPES: Set to enable support for recursive and
+#   errorcheck mutexes. Enables pthread_mutexattr_settype().
+# CONFIG_PRIORITY_INHERITANCE : Set to enable support for priority
+#   inheritance on mutexes and semaphores. 
+# CONFIG_SEM_PREALLOCHOLDERS: This setting is only used if priority
+#   inheritance is enabled.  It defines the maximum number of
+#   different threads (minus one) that can take counts on a
+#   semaphore with priority inheritance support.  This may be 
+#   set to zero if priority inheritance is disabled OR if you
+#   are only using semaphores as mutexes (only one holder) OR
+#   if no more than two threads participate using a counting
+#   semaphore.
+# CONFIG_SEM_NNESTPRIO.  If priority inheritance is enabled,
+#   then this setting is the maximum number of higher priority
+#   threads (minus 1) than can be waiting for another thread
+#   to release a count on a semaphore.  This value may be set
+#   to zero if no more than one thread is expected to wait for
+#   a semaphore.
+# CONFIG_FDCLONE_DISABLE. Disable cloning of all file descriptors
+#   by task_create() when a new task is started.  If set, all
+#   files/drivers will appear to be closed in the new task.
+# CONFIG_FDCLONE_STDIO. Disable cloning of all but the first
+#   three file descriptors (stdin, stdout, stderr) by task_create()
+#   when a new task is started. If set, all files/drivers will
+#   appear to be closed in the new task except for stdin, stdout,
+#   and stderr.
+# CONFIG_SDCLONE_DISABLE. Disable cloning of all socket
+#   desciptors by task_create() when a new task is started. If
+#   set, all sockets will appear to be closed in the new task.
+# CONFIG_SCHED_WORKQUEUE.  Create a dedicated "worker" thread to
+#  handle delayed processing from interrupt handlers.  This feature
+#  is required for some drivers but, if there are not complaints,
+#  can be safely disabled.  The worker thread also performs
+#  garbage collection -- completing any delayed memory deallocations
+#  from interrupt handlers.  If the worker thread is disabled,
+#  then that clean will be performed by the IDLE thread instead
+#  (which runs at the lowest of priority and may not be appropriate
+#  if memory reclamation is of high priority).  If CONFIG_SCHED_WORKQUEUE
+#  is enabled, then the following options can also be used:
+# CONFIG_SCHED_WORKPRIORITY - The execution priority of the worker
+#  thread.  Default: 50
+# CONFIG_SCHED_WORKPERIOD - How often the worker thread checks for
+#  work in units of microseconds.  Default: 50*1000 (50 MS).
+# CONFIG_SCHED_WORKSTACKSIZE - The stack size allocated for the worker
+#  thread.  Default: CONFIG_IDLETHREAD_STACKSIZE.
+# CONFIG_SIG_SIGWORK - The signal number that will be used to wake-up
+#  the worker thread.  Default: 4
+# CONFIG_SCHED_WAITPID - Enable the waitpid() API
+# CONFIG_SCHED_ATEXIT - Enabled the atexit() API
+#
+#CONFIG_APPS_DIR=
+CONFIG_DEBUG=n
+CONFIG_DEBUG_VERBOSE=n
+CONFIG_DEBUG_SYMBOLS=n
+CONFIG_DEBUG_FS=n
+CONFIG_DEBUG_GRAPHICS=n
+CONFIG_DEBUG_LCD=n
+CONFIG_DEBUG_USB=n
+CONFIG_DEBUG_NET=n
+CONFIG_DEBUG_RTC=n
+CONFIG_DEBUG_ANALOG=n
+CONFIG_DEBUG_PWM=n
+CONFIG_DEBUG_CAN=n
+CONFIG_DEBUG_QENCODER=n
+CONFIG_HAVE_CXX=y
+CONFIG_HAVE_CXXINITIALIZE=y
+CONFIG_MM_REGIONS=2
+CONFIG_ARCH_LOWPUTC=y
+CONFIG_RR_INTERVAL=200
+CONFIG_SCHED_INSTRUMENTATION=n
+CONFIG_TASK_NAME_SIZE=0
+CONFIG_START_YEAR=2011
+CONFIG_START_MONTH=12
+CONFIG_START_DAY=6
+CONFIG_GREGORIAN_TIME=n
+CONFIG_JULIAN_TIME=n
+CONFIG_DEV_CONSOLE=y
+CONFIG_DEV_LOWCONSOLE=n
+CONFIG_MUTEX_TYPES=n
+CONFIG_PRIORITY_INHERITANCE=n
+CONFIG_SEM_PREALLOCHOLDERS=0
+CONFIG_SEM_NNESTPRIO=0
+CONFIG_FDCLONE_DISABLE=n
+CONFIG_FDCLONE_STDIO=n
+CONFIG_SDCLONE_DISABLE=y
+CONFIG_SCHED_WORKQUEUE=n
+CONFIG_SCHED_WORKPRIORITY=50
+CONFIG_SCHED_WORKPERIOD=(50*1000)
+CONFIG_SCHED_WORKSTACKSIZE=1024
+CONFIG_SIG_SIGWORK=4
+CONFIG_SCHED_WAITPID=y
+CONFIG_SCHED_ATEXIT=n
+
+#
+# Settings for NXFLAT
+#
+# CONFIG_NXFLAT. Enable support for the NXFLAT binary format.
+#  This format will support execution of NuttX binaries located
+#  in a ROMFS filesystem (see examples/nxflat).
+# CONFIG_NXFLAT_DUMPBUFFER. Dump a most buffers that NXFFLAT deals
+#  with.  CONFIG_DEBUG, CONFIG_DEBUG_VERBOSE, and
+#  CONFIG_DEBUG_BINFMT have to be defined or
+#  CONFIG_NXFLAT_DUMPBUFFER does nothing.
+# CONFIG_SYMTAB_ORDEREDBYNAME. Select if the system symbol table
+#  is ordered by symbol name
+#
+CONFIG_NXFLAT=n
+CONFIG_NXFLAT_DUMPBUFFER=n
+CONFIG_SYMTAB_ORDEREDBYNAME=y
+
+#
+# The following can be used to disable categories of
+# APIs supported by the OS.  If the compiler supports
+# weak functions, then it should not be necessary to
+# disable functions unless you want to restrict usage
+# of those APIs.
+#
+# There are certain dependency relationships in these
+# features.
+#
+# o mq_notify logic depends on signals to awaken tasks
+#   waiting for queues to become full or empty.
+# o pthread_condtimedwait() depends on signals to wake
+#   up waiting tasks.
+#
+CONFIG_DISABLE_CLOCK=n
+CONFIG_DISABLE_POSIX_TIMERS=n
+CONFIG_DISABLE_PTHREAD=n
+CONFIG_DISABLE_SIGNALS=n
+CONFIG_DISABLE_MQUEUE=n
+CONFIG_DISABLE_MOUNTPOINT=n
+CONFIG_DISABLE_ENVIRON=n
+CONFIG_DISABLE_POLL=y
+
+#
+# Misc libc settings
+#
+# CONFIG_NOPRINTF_FIELDWIDTH - sprintf-related logic is a
+#   little smaller if we do not support fieldwidthes
+#
+CONFIG_NOPRINTF_FIELDWIDTH=n
+
+#
+# Allow for architecture optimized implementations
+#
+# The architecture can provide optimized versions of the
+# following to improve system performance
+#
+CONFIG_ARCH_MEMCPY=n
+CONFIG_ARCH_MEMCMP=n
+CONFIG_ARCH_MEMMOVE=n
+CONFIG_ARCH_MEMSET=n
+CONFIG_ARCH_STRCMP=n
+CONFIG_ARCH_STRCPY=n
+CONFIG_ARCH_STRNCPY=n
+CONFIG_ARCH_STRLEN=n
+CONFIG_ARCH_STRNLEN=n
+CONFIG_ARCH_BZERO=n
+
+#
+# Sizes of configurable things (0 disables)
+#
+# CONFIG_MAX_TASKS - The maximum number of simultaneously
+#   active tasks.  This value must be a power of two.
+# CONFIG_MAX_TASK_ARGS - This controls the maximum number of
+#   of parameters that a task may receive (i.e., maxmum value
+#   of 'argc')
+# CONFIG_NPTHREAD_KEYS - The number of items of thread-
+#   specific data that can be retained
+# CONFIG_NFILE_DESCRIPTORS - The maximum number of file
+#   descriptors (one for each open)
+# CONFIG_NFILE_STREAMS - The maximum number of streams that
+#   can be fopen'ed
+# CONFIG_NAME_MAX - The maximum size of a file name.
+# CONFIG_STDIO_BUFFER_SIZE - Size of the buffer to allocate
+#   on fopen. (Only if CONFIG_NFILE_STREAMS > 0)
+# CONFIG_STDIO_LINEBUFFER - If standard C buffered I/O is enabled
+#   (CONFIG_STDIO_BUFFER_SIZE > 0), then this option may be added
+#   to force automatic, line-oriented flushing the output buffer
+#   for putc(), fputc(), putchar(), puts(), fputs(), printf(),
+#   fprintf(), and vfprintf().  When a newline is encountered in
+#   the output string, the output buffer will be flushed.  This
+#   (slightly) increases the NuttX footprint but supports the kind
+#   of behavior that people expect for printf().
+# CONFIG_NUNGET_CHARS - Number of characters that can be
+#   buffered by ungetc() (Only if CONFIG_NFILE_STREAMS > 0)
+# CONFIG_PREALLOC_MQ_MSGS - The number of pre-allocated message
+#   structures.  The system manages a pool of preallocated
+#   message structures to minimize dynamic allocations
+# CONFIG_MQ_MAXMSGSIZE - Message structures are allocated with
+#   a fixed payload size given by this settin (does not include
+#   other message structure overhead.
+# CONFIG_MAX_WDOGPARMS - Maximum number of parameters that
+#   can be passed to a watchdog handler
+# CONFIG_PREALLOC_WDOGS - The number of pre-allocated watchdog
+#   structures.  The system manages a pool of preallocated
+#   watchdog structures to minimize dynamic allocations
+# CONFIG_PREALLOC_TIMERS - The number of pre-allocated POSIX
+#   timer structures.  The system manages a pool of preallocated
+#   timer structures to minimize dynamic allocations.  Set to
+#   zero for all dynamic allocations.
+#
+CONFIG_MAX_TASKS=16
+CONFIG_MAX_TASK_ARGS=4
+CONFIG_NPTHREAD_KEYS=4
+CONFIG_NFILE_DESCRIPTORS=8
+CONFIG_NFILE_STREAMS=8
+CONFIG_NAME_MAX=32
+CONFIG_STDIO_BUFFER_SIZE=256
+CONFIG_STDIO_LINEBUFFER=y
+CONFIG_NUNGET_CHARS=2
+CONFIG_PREALLOC_MQ_MSGS=4
+CONFIG_MQ_MAXMSGSIZE=32
+CONFIG_MAX_WDOGPARMS=2
+CONFIG_PREALLOC_WDOGS=4
+CONFIG_PREALLOC_TIMERS=4
+
+#
+# Framebuffer driver options
+#
+CONFIG_FB_CMAP=n
+CONFIG_FB_HWCURSOR=n
+CONFIG_FB_HWCURSORIMAGE=n
+#CONFIG_FB_HWCURSORSIZE
+#CONFIG_FB_TRANSPARENCY
+
+#
+# Filesystem configuration
+#
+# CONFIG_FS_FAT - Enable FAT filesystem support
+# CONFIG_FAT_SECTORSIZE - Max supported sector size
+# CONFIG_FAT_LCNAMES - Enable use of the NT-style upper/lower case 8.3
+#   file name support.
+# CONFIG_FAT_LFN - Enable FAT long file names.  NOTE:  Microsoft claims
+#   patents on FAT long file name technology.  Please read the
+#   disclaimer in the top-level COPYING file and only enable this
+#   feature if you understand these issues.
+# CONFIG_FAT_MAXFNAME - If CONFIG_FAT_LFN is defined, then the
+#   default, maximum long file name is 255 bytes.  This can eat up
+#   a lot of memory (especially stack space).  If you are willing
+#   to live with some non-standard, short long file names, then
+#   define this value.  A good choice would be the same value as
+#   selected for CONFIG_NAME_MAX which will limit the visibility
+#   of longer file names anyway.
+# CONFIG_FS_NXFFS: Enable NuttX FLASH file system (NXFF) support.
+# CONFIG_NXFFS_ERASEDSTATE: The erased state of FLASH. 
+#   This must have one of the values of 0xff or 0x00.
+#   Default: 0xff.
+# CONFIG_NXFFS_PACKTHRESHOLD: When packing flash file data,
+#   don't both with file chunks smaller than this number of data bytes.
+# CONFIG_NXFFS_MAXNAMLEN: The maximum size of an NXFFS file name.
+#   Default: 255.
+# CONFIG_NXFFS_PACKTHRESHOLD: When packing flash file data,
+#   don't both with file chunks smaller than this number of data bytes.
+#   Default: 32.
+# CONFIG_NXFFS_TAILTHRESHOLD: clean-up can either mean
+#   packing files together toward the end of the file or, if file are
+#   deleted at the end of the file, clean up can simply mean erasing
+#   the end of FLASH memory so that it can be re-used again.  However,
+#   doing this can also harm the life of the FLASH part because it can
+#   mean that the tail end of the FLASH is re-used too often. This
+#   threshold determines if/when it is worth erased the tail end of FLASH
+#   and making it available for re-use (and possible over-wear).
+#   Default: 8192.
+# CONFIG_FS_ROMFS - Enable ROMFS filesystem support
+# CONFIG_FS_RAMMAP - For file systems that do not support XIP, this
+#   option will enable a limited form of memory mapping that is
+#   implemented by copying whole files into memory.
+#
+CONFIG_FS_FAT=n
+CONFIG_FAT_LCNAMES=y
+CONFIG_FAT_LFN=y
+CONFIG_FAT_MAXFNAME=32
+CONFIG_FS_NXFFS=n
+CONFIG_FS_ROMFS=n
+
+#
+# SPI-based MMC/SD driver
+#
+# CONFIG_MMCSD_NSLOTS
+#   Number of MMC/SD slots supported by the driver
+# CONFIG_MMCSD_READONLY
+#   Provide read-only access (default is read/write)
+# CONFIG_MMCSD_SPICLOCK - Maximum SPI clock to drive MMC/SD card.
+#   Default is 20MHz.
+#
+CONFIG_MMCSD_NSLOTS=0
+CONFIG_MMCSD_READONLY=n
+CONFIG_MMCSD_SPICLOCK=12500000
+
+#
+# Block driver buffering
+#
+# CONFIG_FS_READAHEAD
+#   Enable read-ahead buffering
+# CONFIG_FS_WRITEBUFFER
+#   Enable write buffering
+#
+CONFIG_FS_READAHEAD=n
+CONFIG_FS_WRITEBUFFER=n
+
+#
+# STM32 SDIO-based MMC/SD driver
+#
+# CONFIG_SDIO_DMA
+#   SDIO driver supports DMA
+# CONFIG_SDIO_PRI - Select SDIO interrupt prority.  Default: 128
+# CONFIG_SDIO_DMAPRIO - Select SDIO DMA interrupt priority.
+#   Default:  Medium
+# CONFIG_SDIO_WIDTH_D1_ONLY - Select 1-bit transfer mode.  Default:
+#   4-bit transfer mode.
+# CONFIG_MMCSD_MULTIBLOCK_DISABLE - Use only the single block transfer method.
+#   This setting is used to work around buggy drivers that cannot handle
+#   multiple block transfers.
+# CONFIG_MMCSD_MMCSUPPORT
+#   Enable support for MMC cards
+# CONFIG_MMCSD_HAVECARDDETECT
+#   SDIO driver card detection is 100% accurate
+#
+CONFIG_SDIO_DMA=n
+#CONFIG_SDIO_PRI=128
+#CONFIG_SDIO_DMAPRIO
+#CONFIG_SDIO_WIDTH_D1_ONLY
+CONFIG_MMCSD_MULTIBLOCK_DISABLE=y
+CONFIG_MMCSD_MMCSUPPORT=n
+CONFIG_MMCSD_HAVECARDDETECT=n
+
+#
+# TCP/IP and UDP support via uIP
+#
+# CONFIG_NET - Enable or disable all network features
+# CONFIG_NET_NOINTS - uIP not called from interrupt level.
+# CONFIG_NET_MULTIBUFFER - Use multiple input/output buffers (probably no)
+# CONFIG_NET_IPv6 - Build in support for IPv6
+# CONFIG_NSOCKET_DESCRIPTORS - Maximum number of socket descriptors per task/thread.
+# CONFIG_NET_SOCKOPTS - Enable or disable support for socket options
+# CONFIG_NET_BUFSIZE - uIP buffer size
+# CONFIG_NET_TCP - TCP support on or off
+# CONFIG_NET_TCP_CONNS - Maximum number of TCP connections (all tasks)
+# CONFIG_NET_TCP_READAHEAD_BUFSIZE - Size of TCP read-ahead buffers
+# CONFIG_NET_NTCP_READAHEAD_BUFFERS - Number of TCP read-ahead buffers (may be zero)
+# CONFIG_NET_TCPBACKLOG - Incoming connections pend in a backlog until
+#   accept() is called. The size of the backlog is selected when listen() is called.
+# CONFIG_NET_MAX_LISTENPORTS - Maximum number of listening TCP ports (all tasks)
+# CONFIG_NET_UDP - UDP support on or off
+# CONFIG_NET_UDP_CHECKSUMS - UDP checksums on or off
+# CONFIG_NET_UDP_CONNS - The maximum amount of concurrent UDP connections
+# CONFIG_NET_ICMP - ICMP ping response support on or off
+# CONFIG_NET_ICMP_PING - ICMP ping request support on or off
+# CONFIG_NET_PINGADDRCONF - Use "ping" packet for setting IP address
+# CONFIG_NET_STATISTICS - uIP statistics on or off
+# CONFIG_NET_RECEIVE_WINDOW - The size of the advertised receiver's window
+# CONFIG_NET_BROADCAST - Broadcast support
+# CONFIG_NET_ARPTAB_SIZE - The size of the ARP table
+# CONFIG_NET_ARP_IPIN - Harvest IP/MAC address mappings from the ARP table
+#   from incoming IP packets.
+# CONFIG_NET_MULTICAST - Outgoing multi-cast address support
+# CONFIG_NET_FWCACHE_SIZE - number of packets to remember when
+#   looking for duplicates
+#
+CONFIG_NET=n
+CONFIG_NET_NOINTS=n
+CONFIG_NET_MULTIBUFFER=y
+CONFIG_NET_IPv6=n
+CONFIG_NSOCKET_DESCRIPTORS=10
+CONFIG_NET_SOCKOPTS=y
+CONFIG_NET_BUFSIZE=562
+CONFIG_NET_TCP=y
+CONFIG_NET_TCP_CONNS=40
+#CONFIG_NET_TCP_READAHEAD_BUFSIZE
+CONFIG_NET_NTCP_READAHEAD_BUFFERS=16
+CONFIG_NET_TCPBACKLOG=y
+CONFIG_NET_MAX_LISTENPORTS=40
+CONFIG_NET_UDP=y
+CONFIG_NET_UDP_CHECKSUMS=y
+#CONFIG_NET_UDP_CONNS=10
+CONFIG_NET_ICMP=y
+CONFIG_NET_ICMP_PING=y
+#CONFIG_NET_PINGADDRCONF=0
+CONFIG_NET_STATISTICS=y
+#CONFIG_NET_RECEIVE_WINDOW=
+CONFIG_NET_BROADCAST=n
+#CONFIG_NET_ARPTAB_SIZE=8
+CONFIG_NET_ARP_IPIN=n
+CONFIG_NET_MULTICAST=n
+#CONFIG_NET_FWCACHE_SIZE=2
+
+#
+# UIP Network Utilities
+# CONFIG_NET_DHCP_LIGHT - Reduces size of DHCP
+# CONFIG_NET_RESOLV_ENTRIES - Number of resolver entries
+#
+CONFIG_NET_DHCP_LIGHT=n
+CONFIG_NET_RESOLV_ENTRIES=4
+
+#
+# RTC Configuration
+#
+# CONFIG_RTC - Enables general support for a hardware RTC.  Specific
+#   architectures may require other specific settings.
+# CONFIG_RTC_DATETIME - There are two general types of RTC:  (1) A simple
+#   battery backed counter that keeps the time when power is down, and (2)
+#    A full date / time RTC the provides the date and time information, often
+#   in BCD format.  If CONFIG_RTC_DATETIME is selected, it specifies this
+#   second kind of RTC. In this case, the RTC is used to "seed" the normal
+#   NuttX timer and the NuttX system timer provides for higher resoution
+#   time.
+# CONFIG_RTC_HIRES - If CONFIG_RTC_DATETIME not selected, then the simple,
+#   battery backed counter is used.  There are two different implementations
+#   of such simple counters based on the time resolution of the counter:
+#   The typical RTC keeps time to resolution of 1 second, usually
+#   supporting a 32-bit time_t value.  In this case, the RTC is used to
+#   "seed" the normal NuttX timer and the NuttX timer provides for higher
+#   resoution time. If CONFIG_RTC_HIRES is enabled in the NuttX configuration,
+#   then the RTC provides higher resolution time and completely replaces the
+#   system timer for purpose of date and time.
+# CONFIG_RTC_FREQUENCY - If CONFIG_RTC_HIRES is defined, then the frequency
+#  of the high resolution RTC must be provided.  If CONFIG_RTC_HIRES is
+#   not defined, CONFIG_RTC_FREQUENCY is assumed to be one.
+# CONFIG_RTC_ALARM - Enable if the RTC hardware supports setting of an
+#  alarm.  A callback function will be executed when the alarm goes off
+#
+CONFIG_RTC=n
+CONFIG_RTC_DATETIME=y
+CONFIG_RTC_HIRES=n
+CONFIG_RTC_FREQUENCY=n
+CONFIG_RTC_ALARM=n
+
+#
+# USB Device Configuration
+#
+# CONFIG_USBDEV
+#   Enables USB device support
+# CONFIG_USBDEV_ISOCHRONOUS
+#   Build in extra support for isochronous endpoints
+# CONFIG_USBDEV_DUALSPEED
+#   Hardware handles high and full speed operation (USB 2.0)
+# CONFIG_USBDEV_SELFPOWERED
+#   Will cause USB features to indicate that the device is
+#   self-powered
+# CONFIG_USBDEV_MAXPOWER
+#   Maximum power consumption in mA
+# CONFIG_USBDEV_TRACE
+#   Enables USB tracing for debug
+# CONFIG_USBDEV_TRACE_NRECORDS
+#   Number of trace entries to remember
+#
+CONFIG_USBDEV=n
+CONFIG_USBDEV_ISOCHRONOUS=n
+CONFIG_USBDEV_DUALSPEED=n
+CONFIG_USBDEV_SELFPOWERED=y
+CONFIG_USBDEV_REMOTEWAKEUP=n
+CONFIG_USBDEV_MAXPOWER=100
+CONFIG_USBDEV_TRACE=n
+CONFIG_USBDEV_TRACE_NRECORDS=128
+
+#
+# USB Serial Device Configuration (Prolifics PL2303 emulation)
+#
+# CONFIG_PL2303
+#   Enable compilation of the USB serial driver
+# CONFIG_PL2303_EPINTIN
+#   The logical 7-bit address of a hardware endpoint that supports
+#   interrupt IN operation
+# CONFIG_PL2303_EPBULKOUT
+#   The logical 7-bit address of a hardware endpoint that supports
+#   bulk OUT operation
+# CONFIG_PL2303_EPBULKIN
+#   The logical 7-bit address of a hardware endpoint that supports
+#   bulk IN operation
+# # CONFIG_PL2303_NWRREQS and CONFIG_PL2303_NRDREQS
+#   The number of write/read requests that can be in flight
+# CONFIG_PL2303_VENDORID and CONFIG_PL2303_VENDORSTR
+#   The vendor ID code/string
+# CONFIG_PL2303_PRODUCTID and CONFIG_PL2303_PRODUCTSTR
+#   The product ID code/string
+# CONFIG_PL2303_RXBUFSIZE and CONFIG_PL2303_TXBUFSIZE
+#   Size of the serial receive/transmit buffers
+#
+CONFIG_PL2303=n
+CONFIG_PL2303_EPINTIN=1
+CONFIG_PL2303_EPBULKOUT=2
+CONFIG_PL2303_EPBULKIN=3
+CONFIG_PL2303_NWRREQS=4
+CONFIG_PL2303_NRDREQS=4
+CONFIG_PL2303_VENDORID=0x067b
+CONFIG_PL2303_PRODUCTID=0x2303
+CONFIG_PL2303_VENDORSTR="Nuttx"
+CONFIG_PL2303_PRODUCTSTR="USBdev Serial"
+CONFIG_PL2303_RXBUFSIZE=512
+CONFIG_PL2303_TXBUFSIZE=512
+
+#
+# USB serial device class driver (Standard CDC ACM class)
+#
+# CONFIG_CDCACM
+#   Enable compilation of the USB serial driver
+# CONFIG_CDCACM_CONSOLE
+#   Configures the CDC/ACM serial port as the console device.
+# CONFIG_CDCACM_EP0MAXPACKET
+#   Endpoint 0 max packet size. Default 64
+# CONFIG_CDCACM_EPINTIN
+#   The logical 7-bit address of a hardware endpoint that supports
+#   interrupt IN operation.  Default 2.
+# CONFIG_CDCACM_EPINTIN_FSSIZE
+#   Max package size for the interrupt IN endpoint if full speed mode.
+#   Default 64.
+# CONFIG_CDCACM_EPINTIN_HSSIZE
+#   Max package size for the interrupt IN endpoint if high speed mode.
+#   Default 64
+# CONFIG_CDCACM_EPBULKOUT
+#   The logical 7-bit address of a hardware endpoint that supports
+#   bulk OUT operation.  Default 4.
+# CONFIG_CDCACM_EPBULKOUT_FSSIZE
+#   Max package size for the bulk OUT endpoint if full speed mode.
+#   Default 64.
+# CONFIG_CDCACM_EPBULKOUT_HSSIZE
+#   Max package size for the bulk OUT  endpoint if high speed mode.
+#   Default 512.
+# CONFIG_CDCACM_EPBULKIN
+#   The logical 7-bit address of a hardware endpoint that supports
+#   bulk IN operation.  Default 3.
+# CONFIG_CDCACM_EPBULKIN_FSSIZE
+#   Max package size for the bulk IN endpoint if full speed mode.
+#   Default 64.
+# CONFIG_CDCACM_EPBULKIN_HSSIZE
+#   Max package size for the bulk IN  endpoint if high speed mode.
+#   Default 512.
+# CONFIG_CDCACM_NWRREQS and CONFIG_CDCACM_NRDREQS
+#   The number of write/read requests that can be in flight.
+#   Default 256.
+# CONFIG_CDCACM_VENDORID and CONFIG_CDCACM_VENDORSTR
+#   The vendor ID code/string.  Default 0x0525 and "NuttX"
+#   0x0525 is the Netchip vendor and should not be used in any
+#   products.  This default VID was selected for compatibility with
+#   the Linux CDC ACM default VID.
+# CONFIG_CDCACM_PRODUCTID and CONFIG_CDCACM_PRODUCTSTR
+#   The product ID code/string. Default 0xa4a7 and "CDC/ACM Serial"
+#   0xa4a7 was selected for compatibility with the Linux CDC ACM
+#   default PID.
+# CONFIG_CDCACM_RXBUFSIZE and CONFIG_CDCACM_TXBUFSIZE
+#   Size of the serial receive/transmit buffers. Default 256.
+#
+CONFIG_CDCACM=n
+CONFIG_CDCACM_CONSOLE=n
+#CONFIG_CDCACM_EP0MAXPACKET
+CONFIG_CDCACM_EPINTIN=1
+#CONFIG_CDCACM_EPINTIN_FSSIZE
+#CONFIG_CDCACM_EPINTIN_HSSIZE
+CONFIG_CDCACM_EPBULKOUT=3
+#CONFIG_CDCACM_EPBULKOUT_FSSIZE
+#CONFIG_CDCACM_EPBULKOUT_HSSIZE
+CONFIG_CDCACM_EPBULKIN=2
+#CONFIG_CDCACM_EPBULKIN_FSSIZE
+#CONFIG_CDCACM_EPBULKIN_HSSIZE
+#CONFIG_CDCACM_NWRREQS
+#CONFIG_CDCACM_NRDREQS
+#CONFIG_CDCACM_VENDORID
+#CONFIG_CDCACM_VENDORSTR
+#CONFIG_CDCACM_PRODUCTID
+#CONFIG_CDCACM_PRODUCTSTR
+#CONFIG_CDCACM_RXBUFSIZE
+#CONFIG_CDCACM_TXBUFSIZE
+
+#
+# USB Storage Device Configuration
+#
+# CONFIG_USBMSC
+#   Enable compilation of the USB storage driver
+# CONFIG_USBMSC_EP0MAXPACKET
+#   Max packet size for endpoint 0
+# CONFIG_USBMSC_EPBULKOUT and CONFIG_USBMSC_EPBULKIN
+#   The logical 7-bit address of a hardware endpoints that support
+#   bulk OUT and IN operations
+# CONFIG_USBMSC_NWRREQS and CONFIG_USBMSC_NRDREQS
+#   The number of write/read requests that can be in flight
+# CONFIG_USBMSC_BULKINREQLEN and CONFIG_USBMSC_BULKOUTREQLEN
+#   The size of the buffer in each write/read request.  This
+#   value needs to be at least as large as the endpoint
+#   maxpacket and ideally as large as a block device sector.
+# CONFIG_USBMSC_VENDORID and CONFIG_USBMSC_VENDORSTR
+#   The vendor ID code/string
+# CONFIG_USBMSC_PRODUCTID and CONFIG_USBMSC_PRODUCTSTR
+#   The product ID code/string
+# CONFIG_USBMSC_REMOVABLE
+#   Select if the media is removable
+#
+CONFIG_USBMSC=n
+CONFIG_USBMSC_EP0MAXPACKET=64
+CONFIG_USBMSC_EPBULKOUT=2
+CONFIG_USBMSC_EPBULKIN=5
+CONFIG_USBMSC_NRDREQS=2
+CONFIG_USBMSC_NWRREQS=2
+CONFIG_USBMSC_BULKINREQLEN=256
+CONFIG_USBMSC_BULKOUTREQLEN=256
+CONFIG_USBMSC_VENDORID=0x584e
+CONFIG_USBMSC_VENDORSTR="NuttX"
+CONFIG_USBMSC_PRODUCTID=0x5342
+CONFIG_USBMSC_PRODUCTSTR="USBdev Storage"
+CONFIG_USBMSC_VERSIONNO=0x0399
+CONFIG_USBMSC_REMOVABLE=y
+
+#
+# Watchdog timer configuration
+#
+# CONFIG_WATCHDOG - Enable overall watchdog timer driver support.
+#
+# The STM32 also needs one of the following enabled:
+#
+#  CONFIG_STM32_WWDG=y, OR
+#  CONFIG_STM32_IWDG=y (but not both)
+#
+CONFIG_WATCHDOG=n
+
+#
+# Graphics related configuration settings
+#
+# CONFIG_NX
+#   Enables overall support for graphics library and NX
+# CONFIG_NX_MULTIUSER
+#   Configures NX in multi-user mode
+# CONFIG_NX_NPLANES
+#   Some YUV color formats requires support for multiple planes,
+#   one for each color component.  Unless you have such special
+#   hardware, this value should be undefined or set to 1
+# CONFIG_NX_DISABLE_1BPP, CONFIG_NX_DISABLE_2BPP,
+# CONFIG_NX_DISABLE_4BPP, CONFIG_NX_DISABLE_8BPP,
+# CONFIG_NX_DISABLE_16BPP, CONFIG_NX_DISABLE_24BPP, and
+# CONFIG_NX_DISABLE_32BPP
+#   NX supports a variety of pixel depths.  You can save some
+#   memory by disabling support for unused color depths.
+# CONFIG_NX_PACKEDMSFIRST
+#   If a pixel depth of less than 8-bits is used, then NX needs
+#   to know if the pixels pack from the MS to LS or from LS to MS
+# CONFIG_NX_LCDDRIVER
+#   By default, NX builds to use a framebuffer driver (see
+#   include/nuttx/fb.h). If this option is defined, NX will
+#   build to use an LCD driver (see include/nuttx/lcd/lcd.h).
+# CONFIG_LCD_MAXPOWER - The full-on power setting for an LCD device.
+# CONFIG_LCD_MAXCONTRAST - The maximum contrast value for an LCD device.
+# CONFIG_NX_MOUSE
+#   Build in support for mouse input
+# CONFIG_NX_KBD
+#   Build in support of keypad/keyboard input
+# CONFIG_NXTK_BORDERWIDTH
+#   Specifies with with of the border (in pixels) used with
+#   framed windows.  The default is 4.
+# CONFIG_NXTK_BORDERCOLOR1, CONFIG_NXTK_BORDERCOLOR2, CONFIG_NXTK_BORDERCOLOR3
+#   Specify the colors of the border used with framed windows.
+#   CONFIG_NXTK_BORDERCOLOR2 is the shadow side color and so is normally darker.
+#   CONFIG_NXTK_BORDERCOLOR3 is the shiny side color and so is normally brighter.
+#   The default is mediumdark grey, and light grey, respectively
+# CONFIG_NXTK_AUTORAISE
+#   If set, a window will be raised to the top if the mouse position
+#   is over a visible portion of the window.  Default: A mouse
+#   button must be clicked over a visible portion of the window.
+# CONFIG_NXFONTS_CHARBITS
+#   The number of bits in the character set.  Current options are
+#   only 7 and 8.  The default is 7.
+# CONFIG_NXFONT_SANS17X22
+#  This option enables support for a tiny, 17x22 san serif font
+#  (font ID FONTID_SANS17X22 == 14).
+# CONFIG_NXFONT_SANS20X26
+#  This option enables support for a tiny, 20x26 san serif font
+#  (font ID FONTID_SANS20X26 == 15).
+# CONFIG_NXFONT_SANS23X27
+#   This option enables support for a tiny, 23x27 san serif font
+#   (font ID FONTID_SANS23X27 == 1).
+# CONFIG_NXFONT_SANS22X29
+#   This option enables support for a small, 22x29 san serif font
+#   (font ID FONTID_SANS22X29 == 2).
+# CONFIG_NXFONT_SANS28X37
+#   This option enables support for a medium, 28x37 san serif font
+#   (font ID FONTID_SANS28X37 == 3).
+# CONFIG_NXFONT_SANS39X48
+#   This option enables support for a large, 39x48 san serif font
+#   (font ID FONTID_SANS39X48 == 4).
+# CONFIG_NXFONT_SANS17X23B
+#   This option enables support for a tiny, 17x23 san serif bold font
+#   (font ID FONTID_SANS17X23B == 16).
+# CONFIG_NXFONT_SANS20X27B
+#   This option enables support for a tiny, 20x27 san serif bold font
+#   (font ID FONTID_SANS20X27B == 17).
+# CONFIG_NXFONT_SANS22X29B
+#   This option enables support for a small, 22x29 san serif bold font
+#   (font ID FONTID_SANS22X29B == 5).
+# CONFIG_NXFONT_SANS28X37B
+#   This option enables support for a medium, 28x37 san serif bold font
+#   (font ID FONTID_SANS28X37B == 6).
+# CONFIG_NXFONT_SANS40X49B
+#   This option enables support for a large, 40x49 san serif bold font
+#   (font ID FONTID_SANS40X49B == 7).
+# CONFIG_NXFONT_SERIF22X29
+#   This option enables support for a small, 22x29 font (with serifs)
+#   (font ID FONTID_SERIF22X29 == 8).
+# CONFIG_NXFONT_SERIF29X37
+#   This option enables support for a medium, 29x37 font (with serifs)
+#   (font ID FONTID_SERIF29X37 == 9).
+# CONFIG_NXFONT_SERIF38X48
+#   This option enables support for a large, 38x48 font (with serifs)
+#   (font ID FONTID_SERIF38X48 == 10).
+# CONFIG_NXFONT_SERIF22X28B
+#   This option enables support for a small, 27x38 bold font (with serifs)
+#   (font ID FONTID_SERIF22X28B == 11).
+# CONFIG_NXFONT_SERIF27X38B
+#   This option enables support for a medium, 27x38 bold font (with serifs)
+#   (font ID FONTID_SERIF27X38B == 12).
+# CONFIG_NXFONT_SERIF38X49B
+#   This option enables support for a large, 38x49 bold font (with serifs)
+#   (font ID FONTID_SERIF38X49B == 13).
+#
+# NX Multi-user only options:
+#
+# CONFIG_NX_BLOCKING
+#   Open the client message queues in blocking mode.  In this case,
+#   nx_eventhandler()  will not return until a message is received and processed.
+# CONFIG_NX_MXSERVERMSGS and CONFIG_NX_MXCLIENTMSGS
+#   Specifies the maximum number of messages that can fit in
+#   the message queues.  No additional resources are allocated, but
+#   this can be set to prevent flooding of the client or server with
+#   too many messages (CONFIG_PREALLOC_MQ_MSGS controls how many
+#   messages are pre-allocated).
+#
+CONFIG_NX=y
+CONFIG_NX_MULTIUSER=n
+CONFIG_NX_NPLANES=1
+CONFIG_NX_DISABLE_1BPP=y
+CONFIG_NX_DISABLE_2BPP=y
+CONFIG_NX_DISABLE_4BPP=y
+CONFIG_NX_DISABLE_8BPP=y
+CONFIG_NX_DISABLE_16BPP=n
+CONFIG_NX_DISABLE_24BPP=y
+CONFIG_NX_DISABLE_32BPP=y
+CONFIG_NX_PACKEDMSFIRST=n
+CONFIG_NX_LCDDRIVER=y
+CONFIG_LCD_MAXPOWER=255
+CONFIG_LCD_MAXCONTRAST=1
+CONFIG_NX_MOUSE=y
+CONFIG_NX_KBD=y
+#CONFIG_NXTK_BORDERWIDTH=4
+CONFIG_NXTK_BORDERCOLOR1=0x5cb7
+CONFIG_NXTK_BORDERCOLOR2=0x21c9
+CONFIG_NXTK_BORDERCOLOR3=0xffdf
+CONFIG_NXTK_AUTORAISE=n
+CONFIG_NXFONT_SANS17X22=n
+CONFIG_NXFONT_SANS20X26=n
+CONFIG_NXFONT_SANS22X29=n
+CONFIG_NXFONT_SANS23X27=y
+CONFIG_NXFONT_SANS28X37=n
+CONFIG_NXFONT_SANS17X23B=n
+CONFIG_NXFONT_SANS20X27B=n
+CONFIG_NXFONT_SANS22X29B=y
+CONFIG_NXFONT_SANS28X37B=n
+CONFIG_NXFONT_SANS40X49B=n
+CONFIG_NXFONT_SERIF22X29=n
+CONFIG_NXFONT_SERIF29X37=n
+CONFIG_NXFONT_SERIF38X48=n
+CONFIG_NXFONT_SERIF22X28B=n
+CONFIG_NXFONT_SERIF27X38B=n
+CONFIG_NXFONT_SERIF38X49B=n
+CONFIG_NXFONTS_CHARBITS=7
+CONFIG_NX_BLOCKING=y
+CONFIG_NX_MXSERVERMSGS=32
+CONFIG_NX_MXCLIENTMSGS=16
+
+#
+# SSD1289 LCD Hardware Configuration
+#
+# CONFIG_LCD_SSD1289 - Enables support for the SSD1289-based LCD.
+# CONFIG_LCD_NOGETRUN
+#   NX components need to know if it can read from the LCD or not. If reading
+#   from the LCD is supported, then some graphic operations can be improved.
+#   Default: Supported
+# CONFIG_LCD_LANDSCAPE - Define for 320x240 display "landscape"
+#   support. Default is this 320x240 "landscape" orientation
+# CONFIG_LCD_RLANDSCAPE - Define for 320x240 display "reverse
+#   landscape" support. Default is the 320x240 "landscape"
+#   orientation
+# CONFIG_LCD_PORTRAIT - Define for 240x320 display "portrait"
+#   orientation support.  Default is the 320x240 "landscape"
+#   orientation
+# CONFIG_LCD_RPORTRAIT - Define for 240x320 display "reverse
+#   portrait" orientation support.  Default is the 320x240 "landscape"
+#   orientation
+#
+CONFIG_LCD_SSD1289=y
+CONFIG_LCD_NOGETRUN=n
+CONFIG_LCD_LANDSCAPE=y
+CONFIG_LCD_RLANDSCAPE=n
+CONFIG_LCD_PORTRAIT=n
+CONFIG_LCD_RPORTRAIT=n
+
+#
+# Settings for examples/uip
+#
+CONFIG_EXAMPLE_UIP_IPADDR=(10<<24|0<<16|0<<8|2)
+CONFIG_EXAMPLE_UIP_DRIPADDR=(10<<24|0<<16|0<<8|1)
+CONFIG_EXAMPLE_UIP_NETMASK=(255<<24|255<<16|255<<8|0)
+CONFIG_EXAMPLE_UIP_DHCPC=n
+
+#
+# Settings for examples/nettest
+#
+CONFIG_EXAMPLE_NETTEST_SERVER=n
+CONFIG_EXAMPLE_NETTEST_PERFORMANCE=n
+CONFIG_EXAMPLE_NETTEST_NOMAC=y
+CONFIG_EXAMPLE_NETTEST_IPADDR=(10<<24|0<<16|0<<8|2)
+CONFIG_EXAMPLE_NETTEST_DRIPADDR=(10<<24|0<<16|0<<8|1)
+CONFIG_EXAMPLE_NETTEST_NETMASK=(255<<24|255<<16|255<<8|0)
+CONFIG_EXAMPLE_NETTEST_CLIENTIP=(10<<24|0<<16|0<<8|1)
+
+#
+# Settings for examples/ostest
+#
+CONFIG_EXAMPLES_OSTEST_LOOPS=1
+CONFIG_EXAMPLES_OSTEST_STACKSIZE=2048
+CONFIG_EXAMPLES_OSTEST_NBARRIER_THREADS=3
+
+#
+# Settings for apps/nshlib
+#
+# CONFIG_NSH_BUILTIN_APPS - Support external registered,
+#   "named" applications that can be executed from the NSH
+#   command line (see apps/README.txt for more information).
+# CONFIG_NSH_FILEIOSIZE - Size of a static I/O buffer
+# CONFIG_NSH_STRERROR - Use strerror(errno)
+# CONFIG_NSH_LINELEN - Maximum length of one command line
+# CONFIG_NSH_NESTDEPTH - Max number of nested if-then[-else]-fi
+# CONFIG_NSH_DISABLESCRIPT - Disable scripting support
+# CONFIG_NSH_DISABLEBG - Disable background commands
+# CONFIG_NSH_ROMFSETC - Use startup script in /etc
+# CONFIG_NSH_CONSOLE - Use serial console front end
+# CONFIG_NSH_TELNET - Use telnetd console front end
+# CONFIG_NSH_ARCHINIT - Platform provides architecture
+#   specific initialization (nsh_archinitialize()).
+#
+# If CONFIG_NSH_TELNET is selected:
+# CONFIG_NSH_IOBUFFER_SIZE -- Telnetd I/O buffer size
+# CONFIG_NSH_DHCPC - Obtain address using DHCP
+# CONFIG_NSH_IPADDR - Provides static IP address
+# CONFIG_NSH_DRIPADDR - Provides static router IP address
+# CONFIG_NSH_NETMASK - Provides static network mask
+# CONFIG_NSH_NOMAC - Use a bogus MAC address
+#
+# If CONFIG_NSH_ROMFSETC is selected:
+# CONFIG_NSH_ROMFSMOUNTPT - ROMFS mountpoint
+# CONFIG_NSH_INITSCRIPT - Relative path to init script
+# CONFIG_NSH_ROMFSDEVNO - ROMFS RAM device minor
+# CONFIG_NSH_ROMFSSECTSIZE - ROMF sector size
+# CONFIG_NSH_FATDEVNO - FAT FS RAM device minor
+# CONFIG_NSH_FATSECTSIZE - FAT FS sector size
+# CONFIG_NSH_FATNSECTORS - FAT FS number of sectors
+# CONFIG_NSH_FATMOUNTPT - FAT FS mountpoint
+#
+CONFIG_NSH_BUILTIN_APPS=n
+CONFIG_NSH_FILEIOSIZE=512
+CONFIG_NSH_STRERROR=n
+CONFIG_NSH_LINELEN=64
+CONFIG_NSH_NESTDEPTH=3
+CONFIG_NSH_DISABLESCRIPT=n
+CONFIG_NSH_DISABLEBG=n
+CONFIG_NSH_ROMFSETC=n
+CONFIG_NSH_CONSOLE=y
+CONFIG_NSH_TELNET=n
+CONFIG_NSH_ARCHINIT=n
+CONFIG_NSH_IOBUFFER_SIZE=512
+CONFIG_NSH_DHCPC=n
+CONFIG_NSH_NOMAC=y
+CONFIG_NSH_IPADDR=(10<<24|0<<16|0<<8|2)
+CONFIG_NSH_DRIPADDR=(10<<24|0<<16|0<<8|1)
+CONFIG_NSH_NETMASK=(255<<24|255<<16|255<<8|0)
+CONFIG_NSH_ROMFSMOUNTPT="/etc"
+CONFIG_NSH_INITSCRIPT="init.d/rcS"
+CONFIG_NSH_ROMFSDEVNO=0
+CONFIG_NSH_ROMFSSECTSIZE=64
+CONFIG_NSH_FATDEVNO=1
+CONFIG_NSH_FATSECTSIZE=512
+CONFIG_NSH_FATNSECTORS=1024
+CONFIG_NSH_FATMOUNTPT=/tmp
+
+#
+# Architecture-specific NSH options
+#
+CONFIG_NSH_MMCSDSPIPORTNO=0
+CONFIG_NSH_MMCSDSLOTNO=0
+CONFIG_NSH_MMCSDMINOR=0
+
+#
+# Settings for examples/usbserial
+#
+# CONFIG_EXAMPLES_USBSERIAL_INONLY
+#    Only verify IN (device-to-host) data transfers.  Default: both
+# CONFIG_EXAMPLES_USBSERIAL_OUTONLY
+#    Only verify OUT (host-to-device) data transfers.  Default: both
+# CONFIG_EXAMPLES_USBSERIAL_ONLYSMALL
+#    Send only small, single packet messages.  Default: Send large and small.
+# CONFIG_EXAMPLES_USBSERIAL_ONLYBIG
+#    Send only large, multi-packet messages.  Default: Send large and small.
+#
+CONFIG_EXAMPLES_USBSERIAL_INONLY=n
+CONFIG_EXAMPLES_USBSERIAL_OUTONLY=n
+CONFIG_EXAMPLES_USBSERIAL_ONLYSMALL=n
+CONFIG_EXAMPLES_USBSERIAL_ONLYBIG=n
+
+CONFIG_EXAMPLES_USBSERIAL_TRACEINIT=n
+CONFIG_EXAMPLES_USBSERIAL_TRACECLASS=n
+CONFIG_EXAMPLES_USBSERIAL_TRACETRANSFERS=n
+CONFIG_EXAMPLES_USBSERIAL_TRACECONTROLLER=n
+CONFIG_EXAMPLES_USBSERIAL_TRACEINTERRUPTS=n
+
+#
+# Settings for examples/cdcacm
+#
+# Configuration prequisites:
+#
+#   CONFIG_USBDEV=y         : USB device support must be enabled
+#   CONFIG_CDCACM=y         : The CDC/ACM driver must be built
+#   CONFIG_NSH_BUILTIN_APPS : NSH built-in application support must be enabled
+#
+# Configuration options specific to this example:
+#
+# CONFIG_EXAMPLES_CDCACM_DEVMINOR
+#  The minor number of the CDC/ACM device.
+# CONFIG_EXAMPLES_CDCACM_TRACEINIT
+#   Show initialization events
+# CONFIG_EXAMPLES_CDCACM_TRACECLASS
+#   Show class driver events
+# CONFIG_EXAMPLES_CDCACM_TRACETRANSFERS
+#   Show data transfer events
+# CONFIG_EXAMPLES_CDCACM_TRACECONTROLLER
+#   Show controller events
+# CONFIG_EXAMPLES_CDCACM_TRACEINTERRUPTS
+#   Show interrupt-related events.
+#
+CONFIG_EXAMPLES_CDCACM_DEVMINOR=0
+CONFIG_EXAMPLES_CDCACM_TRACEINIT=n
+CONFIG_EXAMPLES_CDCACM_TRACECLASS=n
+CONFIG_EXAMPLES_CDCACM_TRACETRANSFERS=n
+CONFIG_EXAMPLES_CDCACM_TRACECONTROLLER=n
+CONFIG_EXAMPLES_CDCACM_TRACEINTERRUPTS=n
+
+#
+# Settings for examples/adc
+#
+# CONFIG_ADC - Enabled ADC support
+# CONFIG_NSH_BUILTIN_APPS - Build the ADC test as an NSH built-in function.
+#   Default: Built as a standalone problem
+#
+# CONFIG_EXAMPLES_ADC_DEVPATH - The path to the ADC device. Default: /dev/adc0
+# CONFIG_EXAMPLES_ADC_NSAMPLES - If CONFIG_NSH_BUILTIN_APPS
+#   is defined, then the number of samples is provided on the command line
+#   and this value is ignored.  Otherwise, this number of samples is
+#   collected and the program terminates.  Default:  Samples are collected
+#   indefinitely.
+# CONFIG_EXAMPLES_ADC_GROUPSIZE - The number of samples to read at once.
+#   Default: 4
+
+#
+# Settings for examples/can
+#
+# CONFIG_CAN - Enables CAN support.
+# CONFIG_CAN_LOOPBACK - A CAN driver may or may not support a loopback
+#   mode for testing. The STM32 CAN driver does support loopback mode.
+# CONFIG_NSH_BUILTIN_APPS - Build the CAN test as an NSH built-in function.
+#   Default: Built as a standalone problem
+#
+# CONFIG_EXAMPLES_CAN_DEVPATH - The path to the CAN device. Default: /dev/can0
+# CONFIG_EXAMPLES_CAN_NMSGS - If CONFIG_NSH_BUILTIN_APPS
+#   is defined, then the number of loops is provided on the command line
+#   and this value is ignored.  Otherwise, this number of CAN message is
+#   collected and the program terminates.  Default:  If built as an NSH
+#   built-in, the default is 32.  Otherwise messages are sent and received
+#   indefinitely.
+
+#
+# Settings for examples/pwm
+#
+# CONFIG_PWM - Enables PWM support.
+# CONFIG_NSH_BUILTIN_APPS - Build the PWM test as an NSH built-in function.
+#   Default: Not built!  The example can only be used as an NSH built-in
+#   application
+#
+# CONFIG_EXAMPLES_PWM_DEVPATH - The path to the PWM device. Default: /dev/pwm0
+# CONFIG_EXAMPLES_PWM_FREQUENCY - The initial PWM frequency.  Default: 100 Hz
+# CONFIG_EXAMPLES_PWM_DUTYPCT - The initial PWM duty as a percentage.  Default: 50%
+# CONFIG_EXAMPLES_PWM_DURATION - The initial PWM pulse train duration in sectonds.
+#    as a percentage.  Default: 5 seconds
+
+#
+# Settings for examples/watchdog
+#
+
+# This test depends on these specific Watchdog/NSH configurations settings (your
+# specific watchdog hardware settings might require additional settings).
+#
+#   CONFIG_WATCHDOG- Enables watchdog timer support support.
+#   CONFIG_NSH_BUILTIN_APPS - Build the watchdog time test as an NSH
+#     built-in function. Default: Not built!  The example can only be used
+#     as an NSH built-in application
+#
+# The STM32 also needs one of the following enabled:
+#
+#  CONFIG_STM32_WWDG=y, OR
+#  CONFIG_STM32_IWDG=y (but not both)
+#
+# Specific configuration options for this example include:
+#
+# CONFIG_EXAMPLES_WATCHDOG_DEVPATH - The path to the Watchdog device.
+#   Default: /dev/watchdog0
+# CONFIG_EXAMPLES_WATCHDOG_PINGTIME - Time in milliseconds that the example
+#   will ping the watchdog before letting the watchdog expire. Default: 5000
+#   milliseconds
+# CONFIG_EXAMPLES_WATCHDOG_PINGDELAY - Time delay between pings in
+#   milliseconds. Default: 500 milliseconds.
+# CONFIG_EXAMPLES_WATCHDOG_TIMEOUT - The watchdog timeout value in
+#   milliseconds before the watchdog timer expires.  Default:  2000
+#   milliseconds.
+#
+# CONFIG_EXAMPLES_WATCHDOG_DEVPATH
+# CONFIG_EXAMPLES_WATCHDOG_PINGTIME
+# CONFIG_EXAMPLES_WATCHDOG_PINGDELAY
+# CONFIG_EXAMPLES_WATCHDOG_TIMEOUT
+
+#
+# Settings for examples/watchdog
+#
+# This test depends on these specific Watchdog/NSH configurations settings (your
+# specific watchdog hardware settings might require additional settings).
+#
+#   CONFIG_WATCHDOG- Enables watchdog timer support support.
+#   CONFIG_NSH_BUILTIN_APPS - Build the watchdog time test as an NSH
+#     built-in function. Default: Not built!  The example can only be used
+#     as an NSH built-in application
+#
+# The STM32 also needs one of the following enabled:
+#
+#  CONFIG_STM32_WWDG=y, OR
+#  CONFIG_STM32_IWDG=y (but not both)
+#
+# Specific configuration options for this example include:
+#
+# CONFIG_EXAMPLES_WATCHDOG_DEVPATH - The path to the Watchdog device.
+#   Default: /dev/watchdog0
+# CONFIG_EXAMPLES_WATCHDOG_PINGTIME - Time in milliseconds that the example
+#   will ping the watchdog before letting the watchdog expire. Default: 5000
+#   milliseconds
+# CONFIG_EXAMPLES_WATCHDOG_PINGDELAY - Time delay between pings in
+#   milliseconds. Default: 500 milliseconds.
+# CONFIG_EXAMPLES_WATCHDOG_TIMEOUT - The watchdog timeout value in
+#   milliseconds before the watchdog timer expires.  Default:  2000
+#   milliseconds.
+#
+# CONFIG_EXAMPLES_WATCHDOG_DEVPATH
+# CONFIG_EXAMPLES_WATCHDOG_PINGTIME
+# CONFIG_EXAMPLES_WATCHDOG_PINGDELAY
+# CONFIG_EXAMPLES_WATCHDOG_TIMEOUT
+
+#
+# Settings for examples/nxlines
+#
+# CONFIG_EXAMPLES_NXLINES_BUILTIN -- Build the NXLINES example as a "built-in"
+#   that can be executed from the NSH command line
+# CONFIG_EXAMPLES_NXLINES_VPLANE -- The plane to select from the frame-
+#   buffer driver for use in the test.  Default: 0
+# CONFIG_EXAMPLES_NXLINES_DEVNO - The LCD device to select from the LCD
+#   driver for use in the test: Default: 0
+# CONFIG_EXAMPLES_NXLINES_BGCOLOR -- The color of the background.  Default
+#   depends on CONFIG_EXAMPLES_NXLINES_BPP.
+# CONFIG_EXAMPLES_NXLINES_LINEWIDTH - Selects the width of the lines in
+#   pixels (default: 16)
+# CONFIG_EXAMPLES_NXLINES_LINECOLOR -- The color of the central lines drawn
+#   in the background window. Default depends on CONFIG_EXAMPLES_NXLINES_BPP
+#   (there really is no meaningful default).
+# CONFIG_EXAMPLES_NXLINES_BORDERWIDTH -- The width of the circular border
+#   drawn in the background window. (default: 4).
+# CONFIG_EXAMPLES_NXLINES_BORDERCOLOR -- The color of the circular border
+#   drawn in the background window. Default depends on CONFIG_EXAMPLES_NXLINES_BPP
+#   (there really is no meaningful default).
+# CONFIG_EXAMPLES_NXLINES_CIRCLECOLOR -- The color of the circular region
+#   filled in the background window. Default depends on CONFIG_EXAMPLES_NXLINES_BPP
+#   (there really is no meaningful default).
+# CONFIG_EXAMPLES_NXLINES_BPP -- Pixels per pixel to use.  Valid options
+#   include 2, 4, 8, 16, 24, and 32.  Default is 16.
+# CONFIG_EXAMPLES_NXLINES_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
+#   selected, then the platform code must provide an LCD initialization
+#   function.
+#
+CONFIG_EXAMPLES_NXLINES_BUILTIN=n
+CONFIG_EXAMPLES_NXLINES_VPLANE=0
+CONFIG_EXAMPLES_NXLINES_DEVNO=0
+CONFIG_EXAMPLES_NXLINES_BGCOLOR=0x0320
+CONFIG_EXAMPLES_NXLINES_LINEWIDTH=16
+CONFIG_EXAMPLES_NXLINES_LINECOLOR=0xffe0
+CONFIG_EXAMPLES_NXLINES_BORDERWIDTH=4
+CONFIG_EXAMPLES_NXLINES_BORDERCOLOR=0xffe0
+CONFIG_EXAMPLES_NXLINES_CIRCLECOLOR=0xf7bb
+CONFIG_EXAMPLES_NXLINES_BPP=16
+CONFIG_EXAMPLES_NXLINES_EXTERNINIT=n
+
+#
+# Stack and heap information
+#
+# CONFIG_BOOT_RUNFROMFLASH - Some configurations support XIP
+#   operation from FLASH but must copy initialized .data sections to RAM.
+#   (should also be =n for the stm32f4discovery which always runs from flash)
+# CONFIG_BOOT_COPYTORAM -  Some configurations boot in FLASH
+#   but copy themselves entirely into RAM for better performance.
+# CONFIG_CUSTOM_STACK - The up_ implementation will handle
+#   all stack operations outside of the nuttx model.
+# CONFIG_STACK_POINTER - The initial stack pointer (arm7tdmi only)
+# CONFIG_IDLETHREAD_STACKSIZE - The size of the initial stack.
+#  This is the thread that (1) performs the inital boot of the system up
+#  to the point where user_start() is spawned, and (2) there after is the
+#  IDLE thread that executes only when there is no other thread ready to
+#  run.
+# CONFIG_USERMAIN_STACKSIZE - The size of the stack to allocate
+#  for the main user thread that begins at the user_start() entry point.
+# CONFIG_PTHREAD_STACK_MIN - Minimum pthread stack size
+# CONFIG_PTHREAD_STACK_DEFAULT - Default pthread stack size
+# CONFIG_HEAP_BASE - The beginning of the heap
+# CONFIG_HEAP_SIZE - The size of the heap
+#
+CONFIG_BOOT_RUNFROMFLASH=n
+CONFIG_BOOT_COPYTORAM=n
+CONFIG_CUSTOM_STACK=n
+#CONFIG_STACK_POINTER
+CONFIG_IDLETHREAD_STACKSIZE=1024
+CONFIG_USERMAIN_STACKSIZE=2048
+CONFIG_PTHREAD_STACK_MIN=256
+CONFIG_PTHREAD_STACK_DEFAULT=2048
+CONFIG_HEAP_BASE=
+CONFIG_HEAP_SIZE=
diff --git a/nuttx/configs/stm32f4discovery/nxlines/ld.script b/nuttx/configs/stm32f4discovery/nxlines/ld.script
new file mode 100644
index 000000000..31a40de2f
--- /dev/null
+++ b/nuttx/configs/stm32f4discovery/nxlines/ld.script
@@ -0,0 +1,122 @@
+/****************************************************************************
+ * configs/stm32f4discovery/nxlines/ld.script
+ *
+ *   Copyright (C) 2012 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <gnutt@nuttx.org>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ * 3. Neither the name NuttX nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ****************************************************************************/
+
+/* The STM32F407VG has 1024Kb of FLASH beginning at address 0x0800:0000 and
+ * 192Kb of SRAM. SRAM is split up into three blocks:
+ *
+ * 1) 112Kb of SRAM beginning at address 0x2000:0000
+ * 2)  16Kb of SRAM beginning at address 0x2001:c000
+ * 3)  64Kb of CCM SRAM beginning at address 0x1000:0000
+ *
+ * When booting from FLASH, FLASH memory is aliased to address 0x0000:0000
+ * where the code expects to begin execution by jumping to the entry point in
+ * the 0x0800:0000 address
+ * range.
+ */
+
+MEMORY
+{
+    flash (rx) : ORIGIN = 0x08000000, LENGTH = 1024K
+    sram (rwx) : ORIGIN = 0x20000000, LENGTH = 112K
+}
+
+OUTPUT_ARCH(arm)
+ENTRY(_stext)
+SECTIONS
+{
+	.text : {
+		_stext = ABSOLUTE(.);
+		*(.vectors)
+		*(.text .text.*)        
+		*(.fixup)
+		*(.gnu.warning)
+		*(.rodata .rodata.*)        
+		*(.gnu.linkonce.t.*)
+		*(.glue_7)
+		*(.glue_7t)
+		*(.got)
+		*(.gcc_except_table)
+		*(.gnu.linkonce.r.*)
+		_etext = ABSOLUTE(.);
+	} > flash
+
+	.init_section : {
+		_sinit = ABSOLUTE(.);
+		*(.init_array .init_array.*)
+		_einit = ABSOLUTE(.);
+	} > flash
+
+	__exidx_start = ABSOLUTE(.);
+	.ARM.exidx : {
+		*(.ARM.exidx*)
+	} > flash
+	__exidx_end = ABSOLUTE(.);
+
+	_eronly = ABSOLUTE(.);
+
+	.data : {
+		_sdata = ABSOLUTE(.);
+		*(.data .data.*)
+		*(.gnu.linkonce.d.*)
+		CONSTRUCTORS
+		_edata = ABSOLUTE(.);
+	} > sram AT > flash
+
+	.ARM.extab : {
+		*(.ARM.extab*)
+	} >sram
+
+	.bss : {
+		_sbss = ABSOLUTE(.);
+		*(.bss .bss.*)
+		*(.gnu.linkonce.b.*)
+		*(COMMON)
+		_ebss = ABSOLUTE(.);
+	} > sram
+
+	/* Stabs debugging sections. */
+	.stab 0 : { *(.stab) }
+	.stabstr 0 : { *(.stabstr) }
+	.stab.excl 0 : { *(.stab.excl) }
+	.stab.exclstr 0 : { *(.stab.exclstr) }
+	.stab.index 0 : { *(.stab.index) }
+	.stab.indexstr 0 : { *(.stab.indexstr) }
+	.comment 0 : { *(.comment) }
+	.debug_abbrev 0 : { *(.debug_abbrev) }
+	.debug_info 0 : { *(.debug_info) }
+	.debug_line 0 : { *(.debug_line) }
+	.debug_pubnames 0 : { *(.debug_pubnames) }
+	.debug_aranges 0 : { *(.debug_aranges) }
+}
diff --git a/nuttx/configs/stm32f4discovery/nxlines/setenv.sh b/nuttx/configs/stm32f4discovery/nxlines/setenv.sh
new file mode 100755
index 000000000..e188703a0
--- /dev/null
+++ b/nuttx/configs/stm32f4discovery/nxlines/setenv.sh
@@ -0,0 +1,75 @@
+#!/bin/bash
+# configs/stm32f4discovery/nxlines/setenv.sh
+#
+#   Copyright (C) 2012 Gregory Nutt. All rights reserved.
+#   Author: Gregory Nutt <gnutt@nuttx.org>
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+#
+# 1. Redistributions of source code must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+#    notice, this list of conditions and the following disclaimer in
+#    the documentation and/or other materials provided with the
+#    distribution.
+# 3. Neither the name NuttX nor the names of its contributors may be
+#    used to endorse or promote products derived from this software
+#    without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+# COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+# OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+# POSSIBILITY OF SUCH DAMAGE.
+#
+
+if [ "$_" = "$0" ] ; then
+  echo "You must source this script, not run it!" 1>&2
+  exit 1
+fi
+
+WD=`pwd`
+if [ ! -x "setenv.sh" ]; then
+  echo "This script must be executed from the top-level NuttX build directory"
+  exit 1
+fi
+
+if [ -z "${PATH_ORIG}" ]; then
+  export PATH_ORIG="${PATH}"
+fi
+
+# This the Cygwin path to the location where I installed the RIDE
+# toolchain under windows.  You will also have to edit this if you install
+# the RIDE toolchain in any other location
+#export TOOLCHAIN_BIN="/cygdrive/c/Program Files (x86)/Raisonance/Ride/arm-gcc/bin"
+
+# This the Cygwin path to the location where I installed the CodeSourcery
+# toolchain under windows.  You will also have to edit this if you install
+# the CodeSourcery toolchain in any other location
+export TOOLCHAIN_BIN="/cygdrive/c/Program Files (x86)/CodeSourcery/Sourcery G++ Lite/bin"
+
+# These are the Cygwin paths to the locations where I installed the Atollic
+# toolchain under windows.  You will also have to edit this if you install
+# the Atollic toolchain in any other location.  /usr/bin is added before
+# the Atollic bin path because there is are binaries named gcc.exe and g++.exe
+# at those locations as well.
+#export TOOLCHAIN_BIN="/usr/bin:/cygdrive/c/Program Files (x86)/Atollic/TrueSTUDIO for ARM Pro 2.3.0/ARMTools/bin"
+#export TOOLCHAIN_BIN="/usr/bin:/cygdrive/c/Program Files (x86)/Atollic/TrueSTUDIO for STMicroelectronics STM32 Lite 2.3.0/ARMTools/bin"
+
+# This the Cygwin path to the location where I build the buildroot
+# toolchain.
+#export TOOLCHAIN_BIN="${WD}/../misc/buildroot/build_arm_nofpu/staging_dir/bin"
+
+# Add the path to the toolchain to the PATH varialble
+export PATH="${TOOLCHAIN_BIN}:/sbin:/usr/sbin:${PATH_ORIG}"
+
+echo "PATH : ${PATH}"
diff --git a/nuttx/configs/stm32f4discovery/ostest/defconfig b/nuttx/configs/stm32f4discovery/ostest/defconfig
index 8b456f11a..8b456f11a 100755..100644
--- a/nuttx/configs/stm32f4discovery/ostest/defconfig
+++ b/nuttx/configs/stm32f4discovery/ostest/defconfig
diff --git a/nuttx/configs/stm32f4discovery/ostest/ld.script b/nuttx/configs/stm32f4discovery/ostest/ld.script
index c3a5ed818..c3a5ed818 100755..100644
--- a/nuttx/configs/stm32f4discovery/ostest/ld.script
+++ b/nuttx/configs/stm32f4discovery/ostest/ld.script
diff --git a/nuttx/configs/stm32f4discovery/src/Makefile b/nuttx/configs/stm32f4discovery/src/Makefile
index b5f449a47..0b279b1ba 100644
--- a/nuttx/configs/stm32f4discovery/src/Makefile
+++ b/nuttx/configs/stm32f4discovery/src/Makefile
@@ -72,6 +72,14 @@ ifeq ($(CONFIG_WATCHDOG),y)
 CSRCS		+= up_watchdog.c
 endif
 
+ifeq ($(CONFIG_STM32_FSMC),y)
+CSRCS		+= up_extmem.c
+
+ifeq ($(CONFIG_LCD_SSD1289),y)
+CSRCS		+= up_ssd1289.c
+endif
+endif
+
 COBJS		= $(CSRCS:.c=$(OBJEXT))
 
 SRCS		= $(ASRCS) $(CSRCS)
diff --git a/nuttx/configs/stm32f4discovery/src/stm32f4discovery-internal.h b/nuttx/configs/stm32f4discovery/src/stm32f4discovery-internal.h
index 94efb591d..7939ffd30 100644
--- a/nuttx/configs/stm32f4discovery/src/stm32f4discovery-internal.h
+++ b/nuttx/configs/stm32f4discovery/src/stm32f4discovery-internal.h
@@ -129,7 +129,67 @@
  *
  ****************************************************************************************************/
 
-extern void weak_function stm32_spiinitialize(void);
+void weak_function stm32_spiinitialize(void);
+
+/************************************************************************************
+ * Name: stm32_extmemgpios
+ *
+ * Description:
+ *   Initialize GPIOs for external memory usage
+ *
+ ************************************************************************************/
+
+#ifdef CONFIG_STM32_FSMC
+void stm32_extmemgpios(const uint32_t *gpios, int ngpios);
+#endif
+
+/************************************************************************************
+ * Name: stm32_extmemaddr
+ *
+ * Description:
+ *   Initialize adress line GPIOs for external memory access
+ *
+ ************************************************************************************/
+
+#ifdef CONFIG_STM32_FSMC
+void stm32_extmemaddr(int naddrs);
+#endif
+
+/************************************************************************************
+ * Name: stm32_extmemdata
+ *
+ * Description:
+ *   Initialize data line GPIOs for external memory access
+ *
+ ************************************************************************************/
+
+#ifdef CONFIG_STM32_FSMC
+void stm32_extmemdata(int ndata);
+#endif
+
+/************************************************************************************
+ * Name: stm32_enablefsmc
+ *
+ * Description:
+ *  enable clocking to the FSMC module
+ *
+ ************************************************************************************/
+
+#ifdef CONFIG_STM32_FSMC
+void stm32_enablefsmc(void);
+#endif
+
+/************************************************************************************
+ * Name: stm32_disablefsmc
+ *
+ * Description:
+ *  enable clocking to the FSMC module
+ *
+ ************************************************************************************/
+
+#ifdef CONFIG_STM32_FSMC
+void stm32_disablefsmc(void);
+#endif
 
 #endif /* __ASSEMBLY__ */
 #endif /* __CONFIGS_STM3240G_EVAL_SRC_STM3240G_INTERNAL_H */
diff --git a/nuttx/configs/stm32f4discovery/src/up_extmem.c b/nuttx/configs/stm32f4discovery/src/up_extmem.c
new file mode 100644
index 000000000..083321578
--- /dev/null
+++ b/nuttx/configs/stm32f4discovery/src/up_extmem.c
@@ -0,0 +1,188 @@
+/************************************************************************************
+ * configs/stm32f4disovery/src/up_extmem.c
+ * arch/arm/src/board/up_extmem.c
+ *
+ *   Copyright (C) 2012 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <gnutt@nuttx.org>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ * 3. Neither the name NuttX nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ************************************************************************************/
+
+/************************************************************************************
+ * Included Files
+ ************************************************************************************/
+
+#include <nuttx/config.h>
+
+#include <stdint.h>
+#include <assert.h>
+#include <debug.h>
+
+#include <arch/board/board.h>
+
+#include "chip.h"
+#include "up_arch.h"
+
+#include "stm32_fsmc.h"
+#include "stm32_gpio.h"
+#include "stm32_internal.h"
+#include "stm32f4discovery-internal.h"
+
+/************************************************************************************
+ * Pre-processor Definitions
+ ************************************************************************************/
+
+#ifndef CONFIG_STM32_FSMC
+#  warning "FSMC is not enabled"
+#endif
+
+#if STM32_NGPIO_PORTS < 6
+#  error "Required GPIO ports not enabled"
+#endif
+
+#define STM32_FSMC_NADDRCONFIGS 26
+#define STM32_FSMC_NDATACONFIGS 16
+
+/************************************************************************************
+ * Public Data
+ ************************************************************************************/
+
+/* GPIO configurations common to most external memories */
+
+static const uint32_t g_addressconfig[STM32_FSMC_NADDRCONFIGS] =
+{
+  GPIO_FSMC_A0,  GPIO_FSMC_A1 , GPIO_FSMC_A2,  GPIO_FSMC_A3,  GPIO_FSMC_A4 , GPIO_FSMC_A5,
+  GPIO_FSMC_A6,  GPIO_FSMC_A7,  GPIO_FSMC_A8,  GPIO_FSMC_A9,  GPIO_FSMC_A10, GPIO_FSMC_A11,
+  GPIO_FSMC_A12, GPIO_FSMC_A13, GPIO_FSMC_A14, GPIO_FSMC_A15, GPIO_FSMC_A16, GPIO_FSMC_A17,
+  GPIO_FSMC_A18, GPIO_FSMC_A19, GPIO_FSMC_A20, GPIO_FSMC_A21, GPIO_FSMC_A22, GPIO_FSMC_A23,
+  GPIO_FSMC_A24, GPIO_FSMC_A25
+};
+
+static const uint32_t g_dataconfig[STM32_FSMC_NDATACONFIGS] =
+{
+  GPIO_FSMC_D0,  GPIO_FSMC_D1 , GPIO_FSMC_D2,  GPIO_FSMC_D3,  GPIO_FSMC_D4 , GPIO_FSMC_D5,
+  GPIO_FSMC_D6,  GPIO_FSMC_D7,  GPIO_FSMC_D8,  GPIO_FSMC_D9,  GPIO_FSMC_D10, GPIO_FSMC_D11,
+  GPIO_FSMC_D12, GPIO_FSMC_D13, GPIO_FSMC_D14, GPIO_FSMC_D15
+};
+
+/************************************************************************************
+ * Private Data
+ ************************************************************************************/
+
+/************************************************************************************
+ * Private Functions
+ ************************************************************************************/
+
+/************************************************************************************
+ * Public Functions
+ ************************************************************************************/
+
+/************************************************************************************
+ * Name: stm32_extmemgpios
+ *
+ * Description:
+ *   Initialize GPIOs for external memory usage
+ *
+ ************************************************************************************/
+
+void stm32_extmemgpios(const uint32_t *gpios, int ngpios)
+{
+  int i;
+
+  /* Configure GPIOs */
+
+  for (i = 0; i < ngpios; i++)
+    {
+      stm32_configgpio(gpios[i]);
+    }
+}
+
+/************************************************************************************
+ * Name: stm32_extmemaddr
+ *
+ * Description:
+ *   Initialize adress line GPIOs for external memory access
+ *
+ ************************************************************************************/
+
+void stm32_extmemaddr(int naddrs)
+{
+  stm32_extmemgpios(g_addressconfig, naddrs);
+}
+
+/************************************************************************************
+ * Name: stm32_extmemdata
+ *
+ * Description:
+ *   Initialize data line GPIOs for external memory access
+ *
+ ************************************************************************************/
+
+void stm32_extmemdata(int ndata)
+{
+  stm32_extmemgpios(g_dataconfig, ndata);
+}
+
+/************************************************************************************
+ * Name: stm32_enablefsmc
+ *
+ * Description:
+ *  enable clocking to the FSMC module
+ *
+ ************************************************************************************/
+
+void stm32_enablefsmc(void)
+{
+  uint32_t regval;
+
+  /* Enable AHB clocking to the FSMC */
+
+  regval  = getreg32( STM32_RCC_AHB3ENR);
+  regval |= RCC_AHB3ENR_FSMCEN;
+  putreg32(regval, STM32_RCC_AHB3ENR);
+}
+
+/************************************************************************************
+ * Name: stm32_disablefsmc
+ *
+ * Description:
+ *  enable clocking to the FSMC module
+ *
+ ************************************************************************************/
+
+void stm32_disablefsmc(void)
+{
+  uint32_t regval;
+
+  /* Disable AHB clocking to the FSMC */
+
+  regval  = getreg32(STM32_RCC_AHB3ENR);
+  regval &= ~RCC_AHB3ENR_FSMCEN;
+  putreg32(regval, STM32_RCC_AHB3ENR);
+}
diff --git a/nuttx/configs/stm32f4discovery/src/up_ssd1289.c b/nuttx/configs/stm32f4discovery/src/up_ssd1289.c
new file mode 100644
index 000000000..5a21caafa
--- /dev/null
+++ b/nuttx/configs/stm32f4discovery/src/up_ssd1289.c
@@ -0,0 +1,416 @@
+/**************************************************************************************
+ * configs/stm32fdiscover/src/up_ssd1289.c
+ * arch/arm/src/board/up_ssd1289.c
+ *
+ * This logic supports the connection of an SSD1289-based LCD to the STM32F4Discovery
+ * board.
+ *
+ *   Copyright (C) 2012 Gregory Nutt. All rights reserved.
+ *   Authors: Gregory Nutt <gnutt@nuttx.org>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ * 3. Neither the name NuttX nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ **************************************************************************************/
+ 
+/**************************************************************************************
+ * Included Files
+ **************************************************************************************/
+
+#include <nuttx/config.h>
+
+#include <sys/types.h>
+#include <stdint.h>
+#include <stdbool.h>
+#include <string.h>
+#include <errno.h>
+#include <debug.h>
+
+#include <nuttx/arch.h>
+#include <nuttx/spi.h>
+#include <nuttx/lcd/lcd.h>
+#include <nuttx/lcd/ssd1289.h>
+
+#include <arch/board/board.h>
+
+#include "up_arch.h"
+#include "stm32.h"
+#include "stm32_internal.h"
+#include "stm32f4discovery-internal.h"
+
+#ifdef CONFIG_LCD_SSD1289
+
+/**************************************************************************************
+ * Pre-processor Definitions
+ **************************************************************************************/
+/* Configuration **********************************************************************/
+
+#ifndef CONFIG_STM32_FSMC
+#  error "CONFIG_STM32_FSMC is required to use the LCD"
+#endif
+
+/* Define CONFIG_DEBUG_LCD to enable detailed LCD debug output. Verbose debug must
+ * also be enabled.
+ */
+
+#ifndef CONFIG_DEBUG
+#  undef CONFIG_DEBUG_VERBOSE
+#  undef CONFIG_DEBUG_GRAPHICS
+#  undef CONFIG_DEBUG_LCD
+#endif
+
+#ifndef CONFIG_DEBUG_VERBOSE
+#  undef CONFIG_DEBUG_LCD
+#endif
+
+/* STM32F4Discovery LCD Hardware Definitions ******************************************/
+/* LCD /CS is CE1 ==  NOR/SRAM Bank 1
+ * 
+ * Bank 1 = 0x60000000 | 0x00000000
+ * Bank 2 = 0x60000000 | 0x04000000
+ * Bank 3 = 0x60000000 | 0x08000000
+ * Bank 4 = 0x60000000 | 0x0c000000
+ *
+ * Address bit 16 is used to distinguish command and data
+ */
+
+#define STM32_LCDBASE ((uintptr_t)(0x60000000 | 0x00000000))
+#define LCD_INDEX     (STM32_LCDBASE)
+#define LCD_DATA      (STM32_LCDBASE + 0x00010000)
+
+/* SRAM pin definitions */
+
+#define LCD_NADDRLINES   1   /* A16 */
+#define LCD_NDATALINES   16  /* D0-15 */
+
+/* Debug ******************************************************************************/
+
+#ifdef CONFIG_DEBUG_LCD
+#  define lcddbg         dbg
+#  define lcdvdbg        vdbg
+#else
+#  define lcddbg(x...)
+#  define lcdvdbg(x...)
+#endif
+
+/**************************************************************************************
+ * Private Type Definition
+ **************************************************************************************/
+
+/**************************************************************************************
+ * Private Function Protototypes
+ **************************************************************************************/
+/* Low Level LCD access */
+
+static void stm32_select(FAR struct ssd1289_lcd_s *dev);
+static void stm32_deselect(FAR struct ssd1289_lcd_s *dev);
+static void stm32_index(FAR struct ssd1289_lcd_s *dev, uint8_t index);
+#ifndef CONFIG_SSD1289_WRONLY
+static uint16_t stm32_read(FAR struct ssd1289_lcd_s *dev);
+#endif
+static void stm32_write(FAR struct ssd1289_lcd_s *dev, uint16_t data);
+static void stm32_backlight(FAR struct ssd1289_lcd_s *dev, int power);
+
+/**************************************************************************************
+ * Private Data
+ **************************************************************************************/
+/* LCD pin mapping (see configs/stm324discovery/README.txt
+ * MAPPING TO STM32 F4:
+ *
+ *   STM32 FUNCTION  LCD PIN     STM32F4Discovery pin
+ *  ---------------- ----------- --------------------
+ *   FSMC_D0          D0  pin 4   PD14 P1 pin 46
+ *   FSMC_D1          D1  pin 3   PD15 P1 pin 47
+ *   FSMC_D2          D2  pin 6   PD0  P2 pin 36
+ *   FSMC_D3          D3  pin 5   PD1  P2 pin 33
+ *   FSMC_D4          D4  pin 8   PE7  P1 pin 25
+ *   FSMC_D5          D5  pin 7   PE8  P1 pin 26
+ *   FSMC_D6          D6  pin 10  PE9  P1 pin 27
+ *   FSMC_D7          D7  pin 9   PE10 P1 pin 28
+ *   FSMC_D8          D8  pin 12  PE11 P1 pin 29
+ *   FSMC_D9          D9  pin 11  PE12 P1 pin 30
+ *   FSMC_D10         D10 pin 14  PE13 P1 pin 31
+ *   FSMC_D11         D11 pin 13  PE14 P1 pin 32
+ *   FSMC_D12         D12 pin 16  PE15 P1 pin 33
+ *   FSMC_D13         D13 pin 15  PD8  P1 pin 40
+ *   FSMC_D14         D14 pin 18  PD9  P1 pin 41
+ *   FSMC_D15         D15 pin 17  PD10 P1 pin 42
+ *   FSMC_A16         RS  pin 19  PD11 P1 pin 27
+ *   FSMC_NE1         ~CS pin 10  PD7  P2 pin 27
+ *   FSMC_NWE         ~WR pin 22  PD5  P2 pin 29
+ *   FSMC_NOE         ~RD pin 21  PD4  P2 pin 32
+ *   PC6              RESET pin 24  PC6  P2 pin 47
+ */
+
+#define GPIO_LCD_RESET (GPIO_OUTPUT|GPIO_PUSHPULL|GPIO_SPEED_50MHz|\
+                        GPIO_OUTPUT_SET|GPIO_PORTC|GPIO_PIN6)
+
+/* GPIO configurations unique to the LCD  */
+
+static const uint32_t g_lcdconfig[] =
+{
+  /* PC6(RESET), FSMC_A16, FSMC_NOE, FSMC_NWE, and FSMC_NE1  */
+
+  GPIO_LCD_RESET, GPIO_FSMC_A16, GPIO_FSMC_NOE, GPIO_FSMC_NWE, GPIO_FSMC_NE3
+};
+#define NLCD_CONFIG (sizeof(g_lcdconfig)/sizeof(uint32_t))
+
+/* This is the driver state structure (there is no retained state information) */
+
+static struct ssd1289_lcd_s g_ssd1289 =
+{
+  .select    = stm32_select,
+  .deselect  = stm32_deselect,
+  .index     = stm32_index,
+#ifndef CONFIG_SSD1289_WRONLY
+  .read      = stm32_read,
+#endif
+  .write     = stm32_write,
+  .backlight = stm32_backlight
+};
+
+/* The saved instance of the LCD driver */
+
+static FAR struct lcd_dev_s *g_ssd1289drvr;
+
+/**************************************************************************************
+ * Private Functions
+ **************************************************************************************/
+
+/**************************************************************************************
+ * Name: stm32_select
+ *
+ * Description:
+ *   Select the LCD device
+ *
+ **************************************************************************************/
+
+static void stm32_select(FAR struct ssd1289_lcd_s *dev)
+{
+  /* Does not apply to this hardware */
+}
+
+/**************************************************************************************
+ * Name: stm32_deselect
+ *
+ * Description:
+ *   De-select the LCD device
+ *
+ **************************************************************************************/
+
+static void stm32_deselect(FAR struct ssd1289_lcd_s *dev)
+{
+  /* Does not apply to this hardware */
+}
+
+/**************************************************************************************
+ * Name: stm32_deselect
+ *
+ * Description:
+ *   Set the index register
+ *
+ **************************************************************************************/
+
+static void stm32_index(FAR struct ssd1289_lcd_s *dev, uint8_t index)
+{
+  putreg16((uint16_t)index, LCD_INDEX);
+}
+
+/**************************************************************************************
+ * Name: stm32_read
+ *
+ * Description:
+ *   Read LCD data (GRAM data or register contents)
+ *
+ **************************************************************************************/
+
+#ifndef CONFIG_SSD1289_WRONLY
+static uint16_t stm32_read(FAR struct ssd1289_lcd_s *dev)
+{
+  return getreg16(LCD_DATA);
+}
+#endif
+
+/**************************************************************************************
+ * Name: stm32_write
+ *
+ * Description:
+ *   Write LCD data (GRAM data or register contents)
+ *
+ **************************************************************************************/
+
+static void stm32_write(FAR struct ssd1289_lcd_s *dev, uint16_t data)
+{
+  putreg16((uint16_t)data, LCD_DATA);
+}
+
+/**************************************************************************************
+ * Name: stm32_write
+ *
+ * Description:
+ *   Write LCD data (GRAM data or register contents)
+ *
+ **************************************************************************************/
+
+static void stm32_backlight(FAR struct ssd1289_lcd_s *dev, int power)
+{
+#warning "Missing logic"
+}
+
+/************************************************************************************
+ * Name: stm32_selectlcd
+ *
+ * Description:
+ *   Initialize to the LCD
+ *
+ ************************************************************************************/
+
+void stm32_selectlcd(void)
+{
+  /* Configure GPIO pins */
+
+  stm32_extmemdata(LCD_NDATALINES);             /* Common data lines: D0-D15 */
+  stm32_extmemgpios(g_lcdconfig, NLCD_CONFIG);  /* LCD-specific control lines */
+
+  /* Enable AHB clocking to the FSMC */
+
+  stm32_enablefsmc();
+
+  /* Color LCD configuration (LCD configured as follow):
+   * 
+   *   - Data/Address MUX  = Disable   "FSMC_BCR_MUXEN" just not enable it.
+   *   - Extended Mode     = Disable   "FSMC_BCR_EXTMOD"
+   *   - Memory Type       = SRAM      "FSMC_BCR_SRAM"
+   *   - Data Width        = 16bit     "FSMC_BCR_MWID16"
+   *   - Write Operation   = Enable    "FSMC_BCR_WREN"
+   *   - Asynchronous Wait = Disable
+   */
+
+  /* Bank1 NOR/SRAM control register configuration */
+
+  putreg32(FSMC_BCR_SRAM | FSMC_BCR_MWID16 | FSMC_BCR_WREN, STM32_FSMC_BCR1);
+
+  /* Bank1 NOR/SRAM timing register configuration */
+
+  putreg32(FSMC_BTR_ADDSET(5) | FSMC_BTR_ADDHLD(0) | FSMC_BTR_DATAST(9) | FSMC_BTR_BUSTRUN(0) |
+           FSMC_BTR_CLKDIV(0) | FSMC_BTR_DATLAT(0) | FSMC_BTR_ACCMODA, STM32_FSMC_BTR1);
+
+  putreg32(0xffffffff, STM32_FSMC_BWTR1);
+
+  /* Enable the bank by setting the MBKEN bit */
+
+  putreg32(FSMC_BCR_MBKEN | FSMC_BCR_SRAM | FSMC_BCR_MWID16 | FSMC_BCR_WREN, STM32_FSMC_BCR1);
+}
+
+/**************************************************************************************
+ * Public Functions
+ **************************************************************************************/
+
+/**************************************************************************************
+ * Name:  up_lcdinitialize
+ *
+ * Description:
+ *   Initialize the LCD video hardware.  The initial state of the LCD is fully
+ *   initialized, display memory cleared, and the LCD ready to use, but with the power
+ *   setting at 0 (full off).
+ *
+ **************************************************************************************/
+
+int up_lcdinitialize(void)
+{
+  /* Only initialize the driver once */
+
+  if (!g_ssd1289drvr)
+    {
+      lcdvdbg("Initializing\n");
+
+      /* Configure GPIO pins and configure the FSMC to support the LCD */
+
+      stm32_selectlcd();
+
+      /* Reset the LCD (active low) */
+
+      stm32_gpiowrite(GPIO_LCD_RESET, false);
+      up_mdelay(5);
+      stm32_gpiowrite(GPIO_LCD_RESET, true);
+
+      /* Configure and enable the LCD */
+
+      up_mdelay(50);
+      g_ssd1289drvr = ssd1289_lcdinitialize(&g_ssd1289);
+      if (!g_ssd1289drvr)
+        {
+          lcddbg("ERROR: ssd1289_lcdinitialize failed\n");
+          return -ENODEV;
+        }
+    }
+
+  /* Clear the display (setting it to the color 0=black) */
+
+#if 0 /* Already done in the driver */
+  ssd1289_clear(g_ssd1289drvr, 0);
+#endif
+
+  /* Turn the display off */
+
+  g_ssd1289drvr->setpower(g_ssd1289drvr, 0);
+  return OK;
+}
+
+/**************************************************************************************
+ * Name:  up_lcdgetdev
+ *
+ * Description:
+ *   Return a a reference to the LCD object for the specified LCD.  This allows support
+ *   for multiple LCD devices.
+ *
+ **************************************************************************************/
+
+FAR struct lcd_dev_s *up_lcdgetdev(int lcddev)
+{
+  DEBUGASSERT(lcddev == 0);
+  return g_ssd1289drvr;
+}
+
+/**************************************************************************************
+ * Name:  up_lcduninitialize
+ *
+ * Description:
+ *   Unitialize the LCD support
+ *
+ **************************************************************************************/
+
+void up_lcduninitialize(void)
+{
+  /* Turn the display off */
+
+  g_ssd1289drvr->setpower(g_ssd1289drvr, 0);
+}
+
+#endif /* CONFIG_LCD_SSD1289 */
+
+