diff --git a/configs/spark/composite/defconfig b/configs/spark/composite/defconfig
index 9021a4b908..da955e13e8 100644
--- a/configs/spark/composite/defconfig
+++ b/configs/spark/composite/defconfig
@@ -23,9 +23,9 @@ CONFIG_APPS_DIR="../apps"
 # Binary Output Formats
 #
 # CONFIG_RRLOAD_BINARY is not set
-# CONFIG_INTELHEX_BINARY is not set
+CONFIG_INTELHEX_BINARY=y
 # CONFIG_MOTOROLA_SREC is not set
-CONFIG_RAW_BINARY=y
+# CONFIG_RAW_BINARY is not set
 
 #
 # Customize Header Files
@@ -224,7 +224,7 @@ CONFIG_STM32_MEDIUMDENSITY=y
 # CONFIG_STM32_BKP is not set
 # CONFIG_STM32_CAN1 is not set
 CONFIG_STM32_CRC=y
-# CONFIG_STM32_DMA1 is not set
+CONFIG_STM32_DMA1=y
 # CONFIG_STM32_DMA2 is not set
 # CONFIG_STM32_DAC1 is not set
 # CONFIG_STM32_DAC2 is not set
@@ -260,7 +260,7 @@ CONFIG_STM32_SPI=y
 CONFIG_STM32_JTAG_FULL_ENABLE=y
 # CONFIG_STM32_JTAG_NOJNTRST_ENABLE is not set
 # CONFIG_STM32_JTAG_SW_ENABLE is not set
-# CONFIG_STM32_DISABLE_IDLE_SLEEP_DURING_DEBUG is not set
+CONFIG_STM32_DISABLE_IDLE_SLEEP_DURING_DEBUG=y
 # CONFIG_STM32_FORCEPOWER is not set
 # CONFIG_ARCH_BOARD_STM32_CUSTOM_CLOCKCONFIG is not set
 CONFIG_STM32_USART=y
@@ -291,7 +291,7 @@ CONFIG_STM32_SPI_DMA=y
 #
 # CONFIG_ARCH_NOINTC is not set
 # CONFIG_ARCH_VECNOTIRQ is not set
-# CONFIG_ARCH_DMA is not set
+CONFIG_ARCH_DMA=y
 CONFIG_ARCH_IRQPRIO=y
 # CONFIG_CUSTOM_STACK is not set
 # CONFIG_ADDRENV is not set
@@ -308,7 +308,7 @@ CONFIG_ARCH_HAVE_RAMVECTORS=y
 CONFIG_BOARD_LOOPSPERMSEC=5483
 # CONFIG_ARCH_CALIBRATION is not set
 CONFIG_ARCH_HAVE_INTERRUPTSTACK=y
-CONFIG_ARCH_INTERRUPTSTACK=0
+CONFIG_ARCH_INTERRUPTSTACK=512
 
 #
 # Boot options
@@ -349,8 +349,7 @@ CONFIG_ARCH_IRQBUTTONS=y
 CONFIG_SPARK_FLASH=y
 CONFIG_SPARK_FLASH_SPI=2
 CONFIG_SPARK_FLASH_MINOR=0
-CONFIG_SPARK_FLASH_PART=y
-CONFIG_SPARK_FLASH_PART_LIST="256,768"
+# CONFIG_SPARK_FLASH_PART is not set
 
 #
 # RTOS Features
@@ -359,7 +358,7 @@ CONFIG_BOARD_INITIALIZE=y
 CONFIG_MSEC_PER_TICK=10
 CONFIG_RR_INTERVAL=200
 # CONFIG_SCHED_INSTRUMENTATION is not set
-CONFIG_TASK_NAME_SIZE=0
+CONFIG_TASK_NAME_SIZE=8
 # CONFIG_SCHED_HAVE_PARENT is not set
 # CONFIG_JULIAN_TIME is not set
 CONFIG_START_YEAR=2009
@@ -396,25 +395,25 @@ CONFIG_SIG_SIGWORK=17
 #
 # Sizes of configurable things (0 disables)
 #
-CONFIG_MAX_TASKS=16
+CONFIG_MAX_TASKS=12
 CONFIG_MAX_TASK_ARGS=4
-CONFIG_NPTHREAD_KEYS=4
-CONFIG_NFILE_DESCRIPTORS=8
-CONFIG_NFILE_STREAMS=8
-CONFIG_NAME_MAX=32
-CONFIG_PREALLOC_MQ_MSGS=4
-CONFIG_MQ_MAXMSGSIZE=32
+CONFIG_NPTHREAD_KEYS=0
+CONFIG_NFILE_DESCRIPTORS=5
+CONFIG_NFILE_STREAMS=5
+CONFIG_NAME_MAX=8
+CONFIG_PREALLOC_MQ_MSGS=1
+CONFIG_MQ_MAXMSGSIZE=132
 CONFIG_MAX_WDOGPARMS=2
-CONFIG_PREALLOC_WDOGS=4
-CONFIG_PREALLOC_TIMERS=4
+CONFIG_PREALLOC_WDOGS=2
+CONFIG_PREALLOC_TIMERS=2
 
 #
 # Stack and heap information
 #
-CONFIG_IDLETHREAD_STACKSIZE=1024
-CONFIG_USERMAIN_STACKSIZE=2048
+CONFIG_IDLETHREAD_STACKSIZE=256
+CONFIG_USERMAIN_STACKSIZE=704
 CONFIG_PTHREAD_STACK_MIN=256
-CONFIG_PTHREAD_STACK_DEFAULT=1024
+CONFIG_PTHREAD_STACK_DEFAULT=300
 
 #
 # Device Drivers
@@ -465,7 +464,7 @@ CONFIG_MTD_SST25=y
 CONFIG_SST25_SPIMODE=1
 CONFIG_SST25_SPIFREQUENCY=20000000
 # CONFIG_SST25_READONLY is not set
-# CONFIG_SST25_SECTOR512 is not set
+CONFIG_SST25_SECTOR512=y
 CONFIG_SST25_SLOWWRITE=y
 # CONFIG_SST25_SLOWREAD is not set
 # CONFIG_MTD_SST39FV is not set
@@ -493,8 +492,8 @@ CONFIG_USART2_SERIAL_CONSOLE=y
 #
 # USART2 Configuration
 #
-CONFIG_USART2_RXBUFSIZE=256
-CONFIG_USART2_TXBUFSIZE=256
+CONFIG_USART2_RXBUFSIZE=32
+CONFIG_USART2_TXBUFSIZE=32
 CONFIG_USART2_BAUD=115200
 CONFIG_USART2_BITS=8
 CONFIG_USART2_PARITY=0
@@ -596,6 +595,8 @@ CONFIG_CC3000_SPI_FREQUENCY=16000000
 #
 # Networking Support
 #
+CONFIG_ARCH_HAVE_NET=y
+# CONFIG_ARCH_HAVE_PHY is not set
 # CONFIG_NET is not set
 
 #
@@ -632,7 +633,7 @@ CONFIG_FS_FATTIME=y
 # Memory Management
 #
 # CONFIG_MM_MULTIHEAP is not set
-# CONFIG_MM_SMALL is not set
+CONFIG_MM_SMALL=y
 CONFIG_MM_REGIONS=1
 # CONFIG_GRAN is not set
 
@@ -648,7 +649,7 @@ CONFIG_MM_REGIONS=1
 # CONFIG_BINFMT_EXEPATH is not set
 # CONFIG_NXFLAT is not set
 # CONFIG_ELF is not set
-# CONFIG_BUILTIN is not set
+CONFIG_BUILTIN=y
 # CONFIG_PIC is not set
 CONFIG_SYMTAB_ORDEREDBYNAME=y
 
@@ -659,14 +660,14 @@ CONFIG_SYMTAB_ORDEREDBYNAME=y
 #
 # Standard C Library Options
 #
-CONFIG_STDIO_BUFFER_SIZE=64
+CONFIG_STDIO_BUFFER_SIZE=0
 CONFIG_STDIO_LINEBUFFER=y
 CONFIG_NUNGET_CHARS=2
 CONFIG_LIB_HOMEDIR="/"
 # CONFIG_LIBM is not set
 # CONFIG_NOPRINTF_FIELDWIDTH is not set
 # CONFIG_LIBC_FLOATINGPOINT is not set
-CONFIG_LIB_RAND_ORDER=1
+CONFIG_LIB_RAND_ORDER=2
 # CONFIG_EOL_IS_CR is not set
 # CONFIG_EOL_IS_LF is not set
 # CONFIG_EOL_IS_BOTH_CRLF is not set
@@ -677,19 +678,14 @@ CONFIG_TASK_SPAWN_DEFAULT_STACKSIZE=2048
 # CONFIG_LIBC_STRERROR is not set
 # CONFIG_LIBC_PERROR_STDOUT is not set
 CONFIG_ARCH_LOWPUTC=y
-CONFIG_LIB_SENDFILE_BUFSIZE=512
+CONFIG_LIB_SENDFILE_BUFSIZE=0
 # CONFIG_ARCH_ROMGETC is not set
 # CONFIG_ARCH_OPTIMIZED_FUNCTIONS is not set
 
 #
 # Non-standard Library Support
 #
-CONFIG_SCHED_WORKQUEUE=y
-CONFIG_SCHED_HPWORK=y
-CONFIG_SCHED_WORKPRIORITY=192
-CONFIG_SCHED_WORKPERIOD=50000
-CONFIG_SCHED_WORKSTACKSIZE=1024
-# CONFIG_SCHED_LPWORK is not set
+# CONFIG_SCHED_WORKQUEUE is not set
 # CONFIG_LIB_KBDCODEC is not set
 # CONFIG_LIB_SLCDCODEC is not set
 
@@ -712,7 +708,7 @@ CONFIG_SCHED_WORKSTACKSIZE=1024
 #
 # CONFIG_EXAMPLES_BUTTONS is not set
 # CONFIG_EXAMPLES_CAN is not set
-# CONFIG_EXAMPLES_CC3000BASIC is not set
+CONFIG_EXAMPLES_CC3000BASIC=y
 # CONFIG_EXAMPLES_DHCPD is not set
 # CONFIG_EXAMPLES_ELF is not set
 # CONFIG_EXAMPLES_FTPC is not set
@@ -729,7 +725,7 @@ CONFIG_SCHED_WORKSTACKSIZE=1024
 # CONFIG_EXAMPLES_MOUNT is not set
 # CONFIG_EXAMPLES_MTDPART is not set
 # CONFIG_EXAMPLES_NRF24L01TERM is not set
-# CONFIG_EXAMPLES_NSH is not set
+CONFIG_EXAMPLES_NSH=y
 # CONFIG_EXAMPLES_NULL is not set
 # CONFIG_EXAMPLES_NX is not set
 # CONFIG_EXAMPLES_NXCONSOLE is not set
@@ -802,7 +798,75 @@ CONFIG_SCHED_WORKSTACKSIZE=1024
 #
 # NSH Library
 #
-# CONFIG_NSH_LIBRARY is not set
+CONFIG_NSH_LIBRARY=y
+CONFIG_NSH_BUILTIN_APPS=y
+
+#
+# Disable Individual commands
+#
+# CONFIG_NSH_DISABLE_ADDROUTE is not set
+# CONFIG_NSH_DISABLE_CAT is not set
+# CONFIG_NSH_DISABLE_CD is not set
+# CONFIG_NSH_DISABLE_CP is not set
+# CONFIG_NSH_DISABLE_CMP is not set
+# CONFIG_NSH_DISABLE_DD is not set
+# CONFIG_NSH_DISABLE_DELROUTE is not set
+# CONFIG_NSH_DISABLE_ECHO is not set
+# CONFIG_NSH_DISABLE_EXEC is not set
+# CONFIG_NSH_DISABLE_EXIT is not set
+# CONFIG_NSH_DISABLE_FREE is not set
+# CONFIG_NSH_DISABLE_GET is not set
+# CONFIG_NSH_DISABLE_HELP is not set
+# CONFIG_NSH_DISABLE_HEXDUMP is not set
+# CONFIG_NSH_DISABLE_IFCONFIG is not set
+# CONFIG_NSH_DISABLE_KILL is not set
+# CONFIG_NSH_DISABLE_LOSETUP is not set
+# CONFIG_NSH_DISABLE_LS is not set
+# CONFIG_NSH_DISABLE_MB is not set
+# CONFIG_NSH_DISABLE_MKDIR is not set
+# CONFIG_NSH_DISABLE_MKFATFS is not set
+# CONFIG_NSH_DISABLE_MKFIFO is not set
+# CONFIG_NSH_DISABLE_MKRD is not set
+# CONFIG_NSH_DISABLE_MH is not set
+# CONFIG_NSH_DISABLE_MOUNT is not set
+# CONFIG_NSH_DISABLE_MW is not set
+# CONFIG_NSH_DISABLE_NSFMOUNT is not set
+# CONFIG_NSH_DISABLE_PS is not set
+# CONFIG_NSH_DISABLE_PING is not set
+# CONFIG_NSH_DISABLE_PUT is not set
+# CONFIG_NSH_DISABLE_PWD is not set
+# CONFIG_NSH_DISABLE_RM is not set
+# CONFIG_NSH_DISABLE_RMDIR is not set
+# CONFIG_NSH_DISABLE_SET is not set
+# CONFIG_NSH_DISABLE_SH is not set
+# CONFIG_NSH_DISABLE_SLEEP is not set
+# CONFIG_NSH_DISABLE_TEST is not set
+# CONFIG_NSH_DISABLE_UMOUNT is not set
+# CONFIG_NSH_DISABLE_UNSET is not set
+# CONFIG_NSH_DISABLE_USLEEP is not set
+# CONFIG_NSH_DISABLE_WGET is not set
+# CONFIG_NSH_DISABLE_XD is not set
+
+#
+# Configure Command Options
+#
+# CONFIG_NSH_CMDOPT_DF_H is not set
+CONFIG_NSH_CODECS_BUFSIZE=0
+CONFIG_NSH_FILEIOSIZE=128
+CONFIG_NSH_LINELEN=40
+CONFIG_NSH_MAXARGUMENTS=6
+CONFIG_NSH_NESTDEPTH=3
+# CONFIG_NSH_DISABLESCRIPT is not set
+# CONFIG_NSH_DISABLEBG is not set
+CONFIG_NSH_CONSOLE=y
+# CONFIG_NSH_USBCONSOLE is not set
+
+#
+# USB Trace Support
+#
+# CONFIG_NSH_USBDEV_TRACE is not set
+# CONFIG_NSH_CONDEV is not set
+CONFIG_NSH_ARCHINIT=y
 
 #
 # NxWidgets/NxWM
@@ -821,7 +885,7 @@ CONFIG_SCHED_WORKSTACKSIZE=1024
 # USB Composite Device Commands
 #
 CONFIG_SYSTEM_COMPOSITE=y
-CONFIG_SYSTEM_COMPOSITE_NLUNS=2
+CONFIG_SYSTEM_COMPOSITE_NLUNS=1
 CONFIG_SYSTEM_COMPOSITE_DEVMINOR1=0
 CONFIG_SYSTEM_COMPOSITE_DEVPATH1="/dev/mtdblock0"
 CONFIG_SYSTEM_COMPOSITE_DEVMINOR2=1
diff --git a/configs/spark/src/spark.h b/configs/spark/src/spark.h
index 2c95d7f9ac..e4e32ad509 100644
--- a/configs/spark/src/spark.h
+++ b/configs/spark/src/spark.h
@@ -180,7 +180,7 @@
 #define GPIO_LED3     (GPIO_PORTA | GPIO_PIN9  | GPIO_OUTPUT_SET   | GPIO_OUTPUT | GPIO_CNF_OUTPP | GPIO_MODE_50MHz)
 #define GPIO_LED4     (GPIO_PORTA | GPIO_PIN10 | GPIO_OUTPUT_SET   | GPIO_OUTPUT | GPIO_CNF_OUTPP | GPIO_MODE_50MHz)
 
-#define GPIO_USB_PULLUP (GPIO_OUTPUT | GPIO_CNF_OUTPP | GPIO_MODE_50MHz | GPIO_OUTPUT_SET|GPIO_PORTB|GPIO_PIN9)
+#define GPIO_USB_PULLUP (GPIO_PORTB | GPIO_PIN10 | GPIO_OUTPUT_SET | GPIO_OUTPUT | GPIO_CNF_OUTPP | GPIO_MODE_50MHz)
 
 /* BUTTON ***************************************************************************/
 /*
diff --git a/configs/spark/src/up_composite.c b/configs/spark/src/up_composite.c
index 5123d209f4..12c481868f 100644
--- a/configs/spark/src/up_composite.c
+++ b/configs/spark/src/up_composite.c
@@ -159,32 +159,68 @@ int composite_archinitialize(void)
 
   /* Get the SPI port */
 
-  message("nsh_archinitialize: Initializing SPI port %d\n",CONFIG_SPARK_FLASH_SPI);
+  message("nsh_archinitialize: Initializing SPI port %d\n",
+          CONFIG_SPARK_FLASH_SPI);
+
   spi = up_spiinitialize(CONFIG_SPARK_FLASH_SPI);
   if (!spi)
     {
-      message("nsh_archinitialize: ERROR: Failed to initialize SPI port  %d\n",CONFIG_SPARK_FLASH_SPI);
+      message("nsh_archinitialize: ERROR: Failed to initialize SPI port %d\n",
+              CONFIG_SPARK_FLASH_SPI);
       return -ENODEV;
     }
 
-  message("nsh_archinitialize: Successfully initialized SPI port  %d\n",CONFIG_SPARK_FLASH_SPI);
+  message("nsh_archinitialize: Successfully initialized SPI port %d\n",
+          CONFIG_SPARK_FLASH_SPI);
 
   /* Now bind the SPI interface to the SST25 SPI FLASH driver */
 
   message("nsh_archinitialize: Bind SPI to the SPI flash driver\n");
-  mtd = sst25_initialize((FAR struct spi_dev_s *)spi);
+  mtd = sst25_initialize(spi);
   if (!mtd)
     {
-      message("nsh_archinitialize: Failed to bind SPI port %d to the SPI FLASH driver\n",CONFIG_SPARK_FLASH_SPI);
-      return -ENODEV;
-
+      message("nsh_archinitialize: Failed to bind SPI port %d to the SPI FLASH driver\n",
+              CONFIG_SPARK_FLASH_SPI);
     }
   else
     {
-      message("nsh_archinitialize: Successfully bound SPI port %d to the SPI FLASH driver\n",CONFIG_SPARK_FLASH_SPI);
+      message("nsh_archinitialize: Successfully bound SPI port %d to the SPI FLASH driver\n",
+              CONFIG_SPARK_FLASH_SPI);
     }
 
-#ifdef CONFIG_SPARK_FLASH_PART
+#ifndef CONFIG_SPARK_FLASH_PART
+
+  /* Use the FTL layer to wrap the MTD driver as a block driver */
+
+  ret = ftl_initialize(CONFIG_SPARK_FLASH_MINOR, mtd);
+  if (ret < 0)
+    {
+      fdbg("ERROR: Initialize the FTL layer\n");
+      return ret;
+    }
+
+#if CONFIG_SPARK_MOUNT_FLASH
+  char  partname[16];
+  char  mntpoint[16];
+
+  /* mount -t vfat /dev/mtdblock0 /mnt/p0 */
+
+  snprintf(partname, sizeof(partname), "/dev/mtdblock%d",
+           CONFIG_SPARK_FLASH_MINOR);
+  snprintf(mntpoint, sizeof(mntpoint)-1, CONFIG_SPARK_FLASH_MOUNT_POINT,
+           CONFIG_SPARK_FLASH_MINOR);
+
+  /* Mount the file system at /mnt/pn  */
+
+  ret = mount(partname, mntpoint, "vfat", 0, NULL);
+  if (ret < 0)
+    {
+      fdbg("ERROR: Failed to mount the FAT volume: %d\n", errno);
+      return ret;
+    }
+
+#endif
+#else
     {
       int partno;
       int partsize;
@@ -205,7 +241,7 @@ int composite_archinitialize(void)
           /* Get the partition size */
 
           partsize = atoi(ptr);
-          mtd_part = mtd_partition(mtd, partoffset, (partsize>>2)*16);
+          mtd_part = mtd_partition(mtd, partoffset, (partsize >> 2) * 16);
           partoffset += (partsize >> 2) * 16;
 
           /* Use the FTL layer to wrap the MTD driver as a block driver */
@@ -218,7 +254,8 @@ int composite_archinitialize(void)
             }
 
           snprintf(partname,sizeof(partname), "/dev/mtdblock%d", partno);
-          snprintf(mntpoint,sizeof(mntpoint)-1,CONFIG_SPARK_FLASH_MOUNT_POINT,partno);
+          snprintf(mntpoint,sizeof(mntpoint)-1, CONFIG_SPARK_FLASH_MOUNT_POINT,
+                   partno);
 
           /* Mount the file system at /mnt/pn  */
 
@@ -246,8 +283,8 @@ int composite_archinitialize(void)
           partno++;
         }
     }
+#endif /* CONFIG_SPARK_FLASH_PART */
 
-#endif /* ONFIG_SPARK_FLASH_PART */
 #endif /* HAVE_SST25 */
 
 #ifdef HAVE_USBMONITOR
diff --git a/configs/spark/src/up_nsh.c b/configs/spark/src/up_nsh.c
index 12cc70be79..91b677a713 100644
--- a/configs/spark/src/up_nsh.c
+++ b/configs/spark/src/up_nsh.c
@@ -299,3 +299,8 @@ int nsh_archinitialize(void)
 
   return OK;
 }
+
+int usbmsc_archinitialize(void)
+{
+ return nsh_archinitialize();
+}
diff --git a/configs/spark/usbmsc/Make.defs b/configs/spark/usbmsc/Make.defs
new file mode 100644
index 0000000000..aa41dbecf6
--- /dev/null
+++ b/configs/spark/usbmsc/Make.defs
@@ -0,0 +1,113 @@
+############################################################################
+# configs/spark/usbmsc/Make.defs
+#
+#   Copyright (C) 2013 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
+include ${TOPDIR}/tools/Config.mk
+include ${TOPDIR}/arch/arm/src/armv7-m/Toolchain.defs
+
+ifeq ($(CONFIG_STM32_DFU),y)
+  LDSCRIPT = ld.script.dfu
+else
+  LDSCRIPT = ld.script
+endif
+
+ifeq ($(WINTOOL),y)
+  # Windows-native toolchains
+  DIRLINK = $(TOPDIR)/tools/copydir.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)/scripts/$(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/$(CONFIG_ARCH_BOARD)/scripts/$(LDSCRIPT)
+endif
+
+CC = $(CROSSDEV)gcc
+CXX = $(CROSSDEV)g++
+CPP = $(CROSSDEV)gcc -E
+LD = $(CROSSDEV)ld
+AR = $(CROSSDEV)ar rcs
+NM = $(CROSSDEV)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-pcrel.ld -no-check-sections
+LDNXFLATFLAGS = -e main -s 2048
+
+OBJEXT = .o
+LIBEXT = .a
+EXEEXT =
+
+ifneq ($(CROSSDEV),arm-nuttx-elf-)
+  LDFLAGS += -nostartfiles -nodefaultlibs
+endif
+ifeq ($(CONFIG_DEBUG_SYMBOLS),y)
+  LDFLAGS += -g
+endif
+
+HOSTCC = gcc
+HOSTINCLUDES = -I.
+HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -g -pipe
+HOSTLDFLAGS =
diff --git a/configs/spark/usbmsc/defconfig b/configs/spark/usbmsc/defconfig
new file mode 100644
index 0000000000..7e57ac98e9
--- /dev/null
+++ b/configs/spark/usbmsc/defconfig
@@ -0,0 +1,953 @@
+#
+# Automatically generated file; DO NOT EDIT.
+# Nuttx/ Configuration
+#
+CONFIG_NUTTX_NEWCONFIG=y
+
+#
+# Build Setup
+#
+# CONFIG_EXPERIMENTAL is not set
+CONFIG_HOST_LINUX=y
+# CONFIG_HOST_OSX is not set
+# CONFIG_HOST_WINDOWS is not set
+# CONFIG_HOST_OTHER is not set
+
+#
+# Build Configuration
+#
+CONFIG_APPS_DIR="../apps"
+# CONFIG_BUILD_2PASS is not set
+
+#
+# Binary Output Formats
+#
+# CONFIG_RRLOAD_BINARY is not set
+CONFIG_INTELHEX_BINARY=y
+# CONFIG_MOTOROLA_SREC is not set
+CONFIG_RAW_BINARY=y
+
+#
+# Customize Header Files
+#
+# CONFIG_ARCH_STDBOOL_H is not set
+# CONFIG_ARCH_MATH_H is not set
+# CONFIG_ARCH_FLOAT_H is not set
+# CONFIG_ARCH_STDARG_H is not set
+
+#
+# Debug Options
+#
+CONFIG_DEBUG=y
+CONFIG_ARCH_HAVE_STACKCHECK=y
+# CONFIG_DEBUG_VERBOSE is not set
+
+#
+# Subsystem Debug Options
+#
+# CONFIG_DEBUG_MM is not set
+# CONFIG_DEBUG_SCHED is not set
+# CONFIG_DEBUG_NET is not set
+# CONFIG_DEBUG_USB is not set
+CONFIG_DEBUG_FS=y
+# CONFIG_DEBUG_LIB is not set
+# CONFIG_DEBUG_BINFMT is not set
+# CONFIG_DEBUG_GRAPHICS is not set
+# CONFIG_DEBUG_IRQ is not set
+CONFIG_DEBUG_STACK=y
+
+#
+# Driver Debug Options
+#
+# CONFIG_DEBUG_LEDS is not set
+# CONFIG_DEBUG_ANALOG is not set
+# CONFIG_DEBUG_SPI is not set
+# CONFIG_DEBUG_GPIO is not set
+# CONFIG_DEBUG_DMA is not set
+# CONFIG_DEBUG_AUDIO is not set
+CONFIG_DEBUG_SYMBOLS=y
+
+#
+# System Type
+#
+# CONFIG_ARCH_8051 is not set
+CONFIG_ARCH_ARM=y
+# CONFIG_ARCH_AVR is not set
+# CONFIG_ARCH_HC is not set
+# CONFIG_ARCH_MIPS is not set
+# CONFIG_ARCH_RGMP is not set
+# CONFIG_ARCH_SH is not set
+# CONFIG_ARCH_SIM is not set
+# CONFIG_ARCH_X86 is not set
+# CONFIG_ARCH_Z16 is not set
+# CONFIG_ARCH_Z80 is not set
+CONFIG_ARCH="arm"
+
+#
+# ARM Options
+#
+# CONFIG_ARCH_CHIP_C5471 is not set
+# CONFIG_ARCH_CHIP_CALYPSO is not set
+# CONFIG_ARCH_CHIP_DM320 is not set
+# CONFIG_ARCH_CHIP_IMX is not set
+# CONFIG_ARCH_CHIP_KINETIS is not set
+# CONFIG_ARCH_CHIP_KL is not set
+# CONFIG_ARCH_CHIP_LM is not set
+# CONFIG_ARCH_CHIP_LPC17XX is not set
+# CONFIG_ARCH_CHIP_LPC214X is not set
+# CONFIG_ARCH_CHIP_LPC2378 is not set
+# CONFIG_ARCH_CHIP_LPC31XX is not set
+# CONFIG_ARCH_CHIP_LPC43XX is not set
+# CONFIG_ARCH_CHIP_NUC1XX is not set
+# CONFIG_ARCH_CHIP_SAMA5 is not set
+# CONFIG_ARCH_CHIP_SAM34 is not set
+CONFIG_ARCH_CHIP_STM32=y
+# CONFIG_ARCH_CHIP_STR71X is not set
+# CONFIG_ARCH_ARM7TDMI is not set
+# CONFIG_ARCH_ARM926EJS is not set
+# CONFIG_ARCH_ARM920T is not set
+# CONFIG_ARCH_CORTEXM0 is not set
+CONFIG_ARCH_CORTEXM3=y
+# CONFIG_ARCH_CORTEXM4 is not set
+# CONFIG_ARCH_CORTEXA5 is not set
+# CONFIG_ARCH_CORTEXA8 is not set
+CONFIG_ARCH_FAMILY="armv7-m"
+CONFIG_ARCH_CHIP="stm32"
+# CONFIG_ARMV7M_USEBASEPRI is not set
+CONFIG_ARCH_HAVE_CMNVECTOR=y
+# CONFIG_ARMV7M_CMNVECTOR is not set
+# CONFIG_ARCH_HAVE_FPU is not set
+CONFIG_ARCH_HAVE_MPU=y
+# CONFIG_ARMV7M_MPU is not set
+# CONFIG_DEBUG_HARDFAULT is not set
+
+#
+# ARMV7M Configuration Options
+#
+# CONFIG_ARMV7M_TOOLCHAIN_BUILDROOT is not set
+# CONFIG_ARMV7M_TOOLCHAIN_CODEREDL is not set
+CONFIG_ARMV7M_TOOLCHAIN_CODESOURCERYL=y
+# CONFIG_ARMV7M_TOOLCHAIN_GNU_EABIL is not set
+# CONFIG_SERIAL_TERMIOS is not set
+
+#
+# STM32 Configuration Options
+#
+# CONFIG_ARCH_CHIP_STM32L151C6 is not set
+# CONFIG_ARCH_CHIP_STM32L151C8 is not set
+# CONFIG_ARCH_CHIP_STM32L151CB is not set
+# CONFIG_ARCH_CHIP_STM32L151R6 is not set
+# CONFIG_ARCH_CHIP_STM32L151R8 is not set
+# CONFIG_ARCH_CHIP_STM32L151RB is not set
+# CONFIG_ARCH_CHIP_STM32L151V6 is not set
+# CONFIG_ARCH_CHIP_STM32L151V8 is not set
+# CONFIG_ARCH_CHIP_STM32L151VB is not set
+# CONFIG_ARCH_CHIP_STM32L152C6 is not set
+# CONFIG_ARCH_CHIP_STM32L152C8 is not set
+# CONFIG_ARCH_CHIP_STM32L152CB is not set
+# CONFIG_ARCH_CHIP_STM32L152R6 is not set
+# CONFIG_ARCH_CHIP_STM32L152R8 is not set
+# CONFIG_ARCH_CHIP_STM32L152RB is not set
+# CONFIG_ARCH_CHIP_STM32L152V6 is not set
+# CONFIG_ARCH_CHIP_STM32L152V8 is not set
+# CONFIG_ARCH_CHIP_STM32L152VB is not set
+# CONFIG_ARCH_CHIP_STM32F100C8 is not set
+# CONFIG_ARCH_CHIP_STM32F100CB is not set
+# CONFIG_ARCH_CHIP_STM32F100R8 is not set
+# CONFIG_ARCH_CHIP_STM32F100RB is not set
+# CONFIG_ARCH_CHIP_STM32F100RC is not set
+# CONFIG_ARCH_CHIP_STM32F100RD is not set
+# CONFIG_ARCH_CHIP_STM32F100RE is not set
+# CONFIG_ARCH_CHIP_STM32F100V8 is not set
+# CONFIG_ARCH_CHIP_STM32F100VB is not set
+# CONFIG_ARCH_CHIP_STM32F100VC is not set
+# CONFIG_ARCH_CHIP_STM32F100VD is not set
+# CONFIG_ARCH_CHIP_STM32F100VE is not set
+# CONFIG_ARCH_CHIP_STM32F103C4 is not set
+# CONFIG_ARCH_CHIP_STM32F103C8 is not set
+# CONFIG_ARCH_CHIP_STM32F103T8 is not set
+# CONFIG_ARCH_CHIP_STM32F103TB is not set
+CONFIG_ARCH_CHIP_STM32F103CB=y
+# CONFIG_ARCH_CHIP_STM32F103R8 is not set
+# CONFIG_ARCH_CHIP_STM32F103RB is not set
+# CONFIG_ARCH_CHIP_STM32F103V8 is not set
+# CONFIG_ARCH_CHIP_STM32F103VB is not set
+# CONFIG_ARCH_CHIP_STM32F103RET6 is not set
+# CONFIG_ARCH_CHIP_STM32F103VCT6 is not set
+# CONFIG_ARCH_CHIP_STM32F103VET6 is not set
+# CONFIG_ARCH_CHIP_STM32F103ZET6 is not set
+# CONFIG_ARCH_CHIP_STM32F105VBT7 is not set
+# CONFIG_ARCH_CHIP_STM32F107VC is not set
+# CONFIG_ARCH_CHIP_STM32F207IG is not set
+# CONFIG_ARCH_CHIP_STM32F207ZE is not set
+# CONFIG_ARCH_CHIP_STM32F302CB is not set
+# CONFIG_ARCH_CHIP_STM32F302CC is not set
+# CONFIG_ARCH_CHIP_STM32F302RB is not set
+# CONFIG_ARCH_CHIP_STM32F302RC is not set
+# CONFIG_ARCH_CHIP_STM32F302VB is not set
+# CONFIG_ARCH_CHIP_STM32F302VC is not set
+# CONFIG_ARCH_CHIP_STM32F303CB is not set
+# CONFIG_ARCH_CHIP_STM32F303CC is not set
+# CONFIG_ARCH_CHIP_STM32F303RB is not set
+# CONFIG_ARCH_CHIP_STM32F303RC is not set
+# CONFIG_ARCH_CHIP_STM32F303VB is not set
+# CONFIG_ARCH_CHIP_STM32F303VC is not set
+# CONFIG_ARCH_CHIP_STM32F405RG is not set
+# CONFIG_ARCH_CHIP_STM32F405VG is not set
+# CONFIG_ARCH_CHIP_STM32F405ZG is not set
+# CONFIG_ARCH_CHIP_STM32F407VE is not set
+# CONFIG_ARCH_CHIP_STM32F407VG is not set
+# CONFIG_ARCH_CHIP_STM32F407ZE is not set
+# CONFIG_ARCH_CHIP_STM32F407ZG is not set
+# CONFIG_ARCH_CHIP_STM32F407IE is not set
+# CONFIG_ARCH_CHIP_STM32F407IG is not set
+# CONFIG_ARCH_CHIP_STM32F427V is not set
+# CONFIG_ARCH_CHIP_STM32F427Z is not set
+# CONFIG_ARCH_CHIP_STM32F427I is not set
+# CONFIG_STM32_STM32L15XX is not set
+# CONFIG_STM32_ENERGYLITE is not set
+CONFIG_STM32_STM32F10XX=y
+# CONFIG_STM32_VALUELINE is not set
+# CONFIG_STM32_CONNECTIVITYLINE is not set
+CONFIG_STM32_PERFORMANCELINE=y
+# CONFIG_STM32_HIGHDENSITY is not set
+CONFIG_STM32_MEDIUMDENSITY=y
+# CONFIG_STM32_LOWDENSITY is not set
+# CONFIG_STM32_STM32F20XX is not set
+# CONFIG_STM32_STM32F30XX is not set
+# CONFIG_STM32_STM32F40XX is not set
+# CONFIG_STM32_DFU is not set
+
+#
+# STM32 Peripheral Support
+#
+# CONFIG_STM32_ADC1 is not set
+# CONFIG_STM32_ADC2 is not set
+# CONFIG_STM32_ADC3 is not set
+# CONFIG_STM32_BKP is not set
+# CONFIG_STM32_CAN1 is not set
+CONFIG_STM32_CRC=y
+CONFIG_STM32_DMA1=y
+# CONFIG_STM32_DMA2 is not set
+# CONFIG_STM32_DAC1 is not set
+# CONFIG_STM32_DAC2 is not set
+# CONFIG_STM32_I2C1 is not set
+# CONFIG_STM32_I2C2 is not set
+# CONFIG_STM32_PWR is not set
+# CONFIG_STM32_SDIO is not set
+# CONFIG_STM32_SPI1 is not set
+CONFIG_STM32_SPI2=y
+# CONFIG_STM32_TIM1 is not set
+# CONFIG_STM32_TIM2 is not set
+# CONFIG_STM32_TIM3 is not set
+# CONFIG_STM32_TIM4 is not set
+# CONFIG_STM32_TIM5 is not set
+# CONFIG_STM32_TIM6 is not set
+# CONFIG_STM32_TIM7 is not set
+# CONFIG_STM32_TIM8 is not set
+# CONFIG_STM32_USART1 is not set
+CONFIG_STM32_USART2=y
+# CONFIG_STM32_USART3 is not set
+# CONFIG_STM32_UART4 is not set
+# CONFIG_STM32_UART5 is not set
+CONFIG_STM32_USB=y
+# CONFIG_STM32_IWDG is not set
+# CONFIG_STM32_WWDG is not set
+CONFIG_STM32_SPI=y
+
+#
+# Alternate Pin Mapping
+#
+# CONFIG_STM32_USART2_REMAP is not set
+# CONFIG_STM32_JTAG_DISABLE is not set
+CONFIG_STM32_JTAG_FULL_ENABLE=y
+# CONFIG_STM32_JTAG_NOJNTRST_ENABLE is not set
+# CONFIG_STM32_JTAG_SW_ENABLE is not set
+CONFIG_STM32_DISABLE_IDLE_SLEEP_DURING_DEBUG=y
+# CONFIG_STM32_FORCEPOWER is not set
+# CONFIG_ARCH_BOARD_STM32_CUSTOM_CLOCKCONFIG is not set
+# CONFIG_STM32_DMACAPABLE is not set
+CONFIG_STM32_USART=y
+
+#
+# U[S]ART Configuration
+#
+# CONFIG_USART2_RS485 is not set
+# CONFIG_USART2_RXDMA is not set
+# CONFIG_SERIAL_DISABLE_REORDERING is not set
+# CONFIG_STM32_USART_SINGLEWIRE is not set
+
+#
+# SPI Configuration
+#
+# CONFIG_STM32_SPI_INTERRUPTS is not set
+CONFIG_STM32_SPI_DMA=y
+
+#
+# USB Host Configuration
+#
+
+#
+# USB Device Configuration
+#
+
+#
+# Architecture Options
+#
+# CONFIG_ARCH_NOINTC is not set
+# CONFIG_ARCH_VECNOTIRQ is not set
+CONFIG_ARCH_DMA=y
+CONFIG_ARCH_IRQPRIO=y
+# CONFIG_CUSTOM_STACK is not set
+# CONFIG_ADDRENV is not set
+CONFIG_ARCH_HAVE_VFORK=y
+CONFIG_ARCH_STACKDUMP=y
+# CONFIG_ENDIAN_BIG is not set
+# CONFIG_ARCH_HAVE_RAMFUNCS is not set
+CONFIG_ARCH_HAVE_RAMVECTORS=y
+# CONFIG_ARCH_RAMVECTORS is not set
+
+#
+# Board Settings
+#
+CONFIG_BOARD_LOOPSPERMSEC=5483
+# CONFIG_ARCH_CALIBRATION is not set
+CONFIG_ARCH_HAVE_INTERRUPTSTACK=y
+CONFIG_ARCH_INTERRUPTSTACK=512
+
+#
+# Boot options
+#
+# CONFIG_BOOT_RUNFROMEXTSRAM is not set
+CONFIG_BOOT_RUNFROMFLASH=y
+# CONFIG_BOOT_RUNFROMISRAM is not set
+# CONFIG_BOOT_RUNFROMSDRAM is not set
+# CONFIG_BOOT_COPYTORAM is not set
+
+#
+# Boot Memory Configuration
+#
+CONFIG_RAM_START=0x20000000
+CONFIG_RAM_SIZE=20480
+
+#
+# Board Selection
+#
+# CONFIG_ARCH_BOARD_MAPLE is not set
+CONFIG_ARCH_BOARD_SPARK=y
+# CONFIG_ARCH_BOARD_CUSTOM is not set
+CONFIG_ARCH_BOARD="spark"
+
+#
+# Common Board Options
+#
+CONFIG_ARCH_HAVE_LEDS=y
+CONFIG_ARCH_LEDS=y
+CONFIG_ARCH_HAVE_BUTTONS=y
+CONFIG_ARCH_BUTTONS=y
+CONFIG_ARCH_HAVE_IRQBUTTONS=y
+CONFIG_ARCH_IRQBUTTONS=y
+CONFIG_NSH_MMCSDMINOR=0
+
+#
+# Board-Specific Options
+#
+CONFIG_SPARK_FLASH=y
+CONFIG_SPARK_FLASH_SPI=2
+CONFIG_SPARK_FLASH_MINOR=0
+# CONFIG_SPARK_FLASH_PART is not set
+
+#
+# RTOS Features
+#
+CONFIG_BOARD_INITIALIZE=y
+CONFIG_MSEC_PER_TICK=10
+CONFIG_RR_INTERVAL=200
+# CONFIG_SCHED_INSTRUMENTATION is not set
+CONFIG_TASK_NAME_SIZE=8
+# CONFIG_SCHED_HAVE_PARENT is not set
+# CONFIG_JULIAN_TIME is not set
+CONFIG_START_YEAR=2009
+CONFIG_START_MONTH=11
+CONFIG_START_DAY=30
+CONFIG_DEV_CONSOLE=y
+# CONFIG_MUTEX_TYPES is not set
+# CONFIG_PRIORITY_INHERITANCE is not set
+# CONFIG_FDCLONE_DISABLE is not set
+# CONFIG_FDCLONE_STDIO is not set
+CONFIG_SDCLONE_DISABLE=y
+# CONFIG_SCHED_WAITPID is not set
+# CONFIG_SCHED_STARTHOOK is not set
+# CONFIG_SCHED_ATEXIT is not set
+# CONFIG_SCHED_ONEXIT is not set
+CONFIG_USER_ENTRYPOINT="msconn_main"
+CONFIG_DISABLE_OS_API=y
+# CONFIG_DISABLE_CLOCK is not set
+# CONFIG_DISABLE_POSIX_TIMERS is not set
+# CONFIG_DISABLE_PTHREAD is not set
+# CONFIG_DISABLE_SIGNALS is not set
+# CONFIG_DISABLE_MQUEUE is not set
+# CONFIG_DISABLE_ENVIRON is not set
+
+#
+# Signal Numbers
+#
+CONFIG_SIG_SIGUSR1=1
+CONFIG_SIG_SIGUSR2=2
+CONFIG_SIG_SIGALARM=3
+CONFIG_SIG_SIGCONDTIMEDOUT=16
+
+#
+# Sizes of configurable things (0 disables)
+#
+CONFIG_MAX_TASKS=12
+CONFIG_MAX_TASK_ARGS=4
+CONFIG_NPTHREAD_KEYS=0
+CONFIG_NFILE_DESCRIPTORS=5
+CONFIG_NFILE_STREAMS=5
+CONFIG_NAME_MAX=8
+CONFIG_PREALLOC_MQ_MSGS=1
+CONFIG_MQ_MAXMSGSIZE=132
+CONFIG_MAX_WDOGPARMS=2
+CONFIG_PREALLOC_WDOGS=2
+CONFIG_PREALLOC_TIMERS=2
+
+#
+# Stack and heap information
+#
+CONFIG_IDLETHREAD_STACKSIZE=512
+CONFIG_USERMAIN_STACKSIZE=684
+CONFIG_PTHREAD_STACK_MIN=256
+CONFIG_PTHREAD_STACK_DEFAULT=288
+
+#
+# Device Drivers
+#
+CONFIG_DISABLE_POLL=y
+CONFIG_DEV_NULL=y
+# CONFIG_DEV_ZERO is not set
+# CONFIG_LOOP is not set
+# CONFIG_RAMDISK is not set
+# CONFIG_CAN is not set
+# CONFIG_PWM is not set
+# CONFIG_I2C is not set
+CONFIG_ARCH_HAVE_I2CRESET=y
+CONFIG_SPI=y
+# CONFIG_SPI_OWNBUS is not set
+CONFIG_SPI_EXCHANGE=y
+# CONFIG_SPI_CMDDATA is not set
+# CONFIG_SPI_BITBANG is not set
+# CONFIG_RTC is not set
+# CONFIG_WATCHDOG is not set
+CONFIG_ANALOG=y
+# CONFIG_ADC is not set
+# CONFIG_DAC is not set
+# CONFIG_AUDIO_DEVICES is not set
+# CONFIG_BCH is not set
+# CONFIG_INPUT is not set
+# CONFIG_LCD is not set
+# CONFIG_MMCSD is not set
+CONFIG_MTD=y
+
+#
+# MTD Configuration
+#
+CONFIG_MTD_PARTITION=y
+CONFIG_MTD_BYTE_WRITE=y
+
+#
+# MTD Device Drivers
+#
+# CONFIG_RAMMTD is not set
+# CONFIG_MTD_AT24XX is not set
+# CONFIG_MTD_AT25 is not set
+# CONFIG_MTD_AT45DB is not set
+# CONFIG_MTD_M25P is not set
+# CONFIG_MTD_SMART is not set
+# CONFIG_MTD_RAMTRON is not set
+CONFIG_MTD_SST25=y
+CONFIG_SST25_SPIMODE=1
+CONFIG_SST25_SPIFREQUENCY=20000000
+# CONFIG_SST25_READONLY is not set
+CONFIG_SST25_SECTOR512=y
+CONFIG_SST25_SLOWWRITE=y
+# CONFIG_SST25_SLOWREAD is not set
+# CONFIG_MTD_SST39FV is not set
+# CONFIG_MTD_W25 is not set
+# CONFIG_PIPES is not set
+# CONFIG_PM is not set
+# CONFIG_POWER is not set
+# CONFIG_SENSORS is not set
+CONFIG_SERIAL=y
+# CONFIG_DEV_LOWCONSOLE is not set
+# CONFIG_16550_UART is not set
+CONFIG_ARCH_HAVE_USART2=y
+
+#
+# USART Configuration
+#
+CONFIG_USART2_ISUART=y
+CONFIG_MCU_SERIAL=y
+CONFIG_STANDARD_SERIAL=y
+# CONFIG_SERIAL_TIOCSERGSTRUCT is not set
+CONFIG_USART2_SERIAL_CONSOLE=y
+# CONFIG_NO_SERIAL_CONSOLE is not set
+
+#
+# USART2 Configuration
+#
+CONFIG_USART2_RXBUFSIZE=32
+CONFIG_USART2_TXBUFSIZE=32
+CONFIG_USART2_BAUD=115200
+CONFIG_USART2_BITS=8
+CONFIG_USART2_PARITY=0
+CONFIG_USART2_2STOP=0
+# CONFIG_USART2_IFLOWCONTROL is not set
+# CONFIG_USART2_OFLOWCONTROL is not set
+# CONFIG_SERIAL_IFLOWCONTROL is not set
+# CONFIG_SERIAL_OFLOWCONTROL is not set
+CONFIG_USBDEV=y
+
+#
+# USB Device Controller Driver Options
+#
+# CONFIG_USBDEV_ISOCHRONOUS is not set
+# CONFIG_USBDEV_DUALSPEED is not set
+CONFIG_USBDEV_SELFPOWERED=y
+# CONFIG_USBDEV_BUSPOWERED is not set
+CONFIG_USBDEV_MAXPOWER=100
+# CONFIG_USBDEV_DMA is not set
+CONFIG_USBDEV_TRACE=y
+CONFIG_USBDEV_TRACE_NRECORDS=32
+CONFIG_USBDEV_TRACE_STRINGS=y
+
+#
+# USB Device Class Driver Options
+#
+# CONFIG_USBDEV_COMPOSITE is not set
+# CONFIG_PL2303 is not set
+# CONFIG_CDCACM is not set
+CONFIG_USBMSC=y
+CONFIG_USBMSC_EP0MAXPACKET=64
+CONFIG_USBMSC_EPBULKOUT=2
+CONFIG_USBMSC_EPBULKIN=3
+CONFIG_USBMSC_NWRREQS=4
+CONFIG_USBMSC_NRDREQS=4
+CONFIG_USBMSC_BULKINREQLEN=512
+CONFIG_USBMSC_BULKOUTREQLEN=512
+CONFIG_USBMSC_VENDORID=0x584e
+CONFIG_USBMSC_VENDORSTR="NuttX"
+CONFIG_USBMSC_PRODUCTID=0x5342
+CONFIG_USBMSC_PRODUCTSTR="Mass Storage"
+CONFIG_USBMSC_VERSIONNO=0x399
+# CONFIG_USBMSC_REMOVABLE is not set
+# CONFIG_USBHOST is not set
+CONFIG_WIRELESS=y
+# CONFIG_WL_CC1101 is not set
+CONFIG_WL_CC3000=y
+# CONFIG_CC3000_MULTIPLE is not set
+CONFIG_CC3000_SPIDEV=2
+CONFIG_CC3000_DEVMINOR=0
+CONFIG_CC3000_SPI_MODE=0
+CONFIG_CC3000_SPI_FREQUENCY=16000000
+CONFIG_CC3000_WORKER_STACKSIZE=240
+CONFIG_CC3000_SELECT_STACKSIZE=368
+CONFIG_CC3000_UNSOLICED_STACKSIZE=264
+# CONFIG_CC3000_PROBES is not set
+# CONFIG_WL_NRF24L01 is not set
+
+#
+# System Logging Device Options
+#
+
+#
+# System Logging
+#
+# CONFIG_RAMLOG is not set
+
+#
+# Networking Support
+#
+CONFIG_ARCH_HAVE_NET=y
+# CONFIG_ARCH_HAVE_PHY is not set
+# CONFIG_NET is not set
+
+#
+# File Systems
+#
+
+#
+# File system configuration
+#
+# CONFIG_DISABLE_MOUNTPOINT is not set
+# CONFIG_FS_RAMMAP is not set
+CONFIG_FS_FAT=y
+CONFIG_FAT_LCNAMES=y
+CONFIG_FAT_LFN=y
+CONFIG_FAT_MAXFNAME=32
+CONFIG_FS_FATTIME=y
+# CONFIG_FAT_DMAMEMORY is not set
+# CONFIG_FS_NXFFS is not set
+# CONFIG_FS_ROMFS is not set
+# CONFIG_FS_SMARTFS is not set
+# CONFIG_FS_BINFS is not set
+
+#
+# System Logging
+#
+# CONFIG_SYSLOG_ENABLE is not set
+# CONFIG_SYSLOG is not set
+
+#
+# Graphics Support
+#
+# CONFIG_NX is not set
+
+#
+# Memory Management
+#
+# CONFIG_MM_MULTIHEAP is not set
+CONFIG_MM_SMALL=y
+CONFIG_MM_REGIONS=1
+# CONFIG_GRAN is not set
+
+#
+# Audio Support
+#
+# CONFIG_AUDIO is not set
+
+#
+# Binary Formats
+#
+# CONFIG_BINFMT_DISABLE is not set
+# CONFIG_BINFMT_EXEPATH is not set
+# CONFIG_NXFLAT is not set
+# CONFIG_ELF is not set
+CONFIG_BUILTIN=y
+# CONFIG_PIC is not set
+CONFIG_SYMTAB_ORDEREDBYNAME=y
+
+#
+# Library Routines
+#
+
+#
+# Standard C Library Options
+#
+CONFIG_STDIO_BUFFER_SIZE=0
+CONFIG_STDIO_LINEBUFFER=y
+CONFIG_NUNGET_CHARS=2
+CONFIG_LIB_HOMEDIR="/"
+# CONFIG_LIBM is not set
+# CONFIG_NOPRINTF_FIELDWIDTH is not set
+# CONFIG_LIBC_FLOATINGPOINT is not set
+CONFIG_LIB_RAND_ORDER=2
+# CONFIG_EOL_IS_CR is not set
+# CONFIG_EOL_IS_LF is not set
+# CONFIG_EOL_IS_BOTH_CRLF is not set
+CONFIG_EOL_IS_EITHER_CRLF=y
+# CONFIG_LIBC_EXECFUNCS is not set
+CONFIG_POSIX_SPAWN_PROXY_STACKSIZE=1024
+CONFIG_TASK_SPAWN_DEFAULT_STACKSIZE=2048
+# CONFIG_LIBC_STRERROR is not set
+# CONFIG_LIBC_PERROR_STDOUT is not set
+CONFIG_ARCH_LOWPUTC=y
+CONFIG_LIB_SENDFILE_BUFSIZE=0
+# CONFIG_ARCH_ROMGETC is not set
+# CONFIG_ARCH_OPTIMIZED_FUNCTIONS is not set
+
+#
+# Non-standard Library Support
+#
+# CONFIG_SCHED_WORKQUEUE is not set
+# CONFIG_LIB_KBDCODEC is not set
+# CONFIG_LIB_SLCDCODEC is not set
+
+#
+# Basic CXX Support
+#
+# CONFIG_C99_BOOL8 is not set
+# CONFIG_HAVE_CXX is not set
+
+#
+# Application Configuration
+#
+
+#
+# Built-In Applications
+#
+CONFIG_BUILTIN_PROXY_STACKSIZE=1024
+
+#
+# Examples
+#
+# CONFIG_EXAMPLES_BUTTONS is not set
+# CONFIG_EXAMPLES_CAN is not set
+CONFIG_EXAMPLES_CC3000BASIC=y
+# CONFIG_EXAMPLES_DHCPD is not set
+# CONFIG_EXAMPLES_ELF is not set
+# CONFIG_EXAMPLES_FTPC is not set
+# CONFIG_EXAMPLES_FTPD is not set
+# CONFIG_EXAMPLES_HELLO is not set
+# CONFIG_EXAMPLES_HELLOXX is not set
+# CONFIG_EXAMPLES_JSON is not set
+# CONFIG_EXAMPLES_HIDKBD is not set
+# CONFIG_EXAMPLES_KEYPADTEST is not set
+# CONFIG_EXAMPLES_IGMP is not set
+# CONFIG_EXAMPLES_LCDRW is not set
+# CONFIG_EXAMPLES_MM is not set
+# CONFIG_EXAMPLES_MODBUS is not set
+# CONFIG_EXAMPLES_MOUNT is not set
+# CONFIG_EXAMPLES_MTDPART is not set
+# CONFIG_EXAMPLES_NRF24L01TERM is not set
+CONFIG_EXAMPLES_NSH=y
+# CONFIG_EXAMPLES_NULL is not set
+# CONFIG_EXAMPLES_NX is not set
+# CONFIG_EXAMPLES_NXCONSOLE is not set
+# CONFIG_EXAMPLES_NXFFS is not set
+# CONFIG_EXAMPLES_NXFLAT is not set
+# CONFIG_EXAMPLES_NXHELLO is not set
+# CONFIG_EXAMPLES_NXIMAGE is not set
+# CONFIG_EXAMPLES_NXLINES is not set
+# CONFIG_EXAMPLES_NXTEXT is not set
+# CONFIG_EXAMPLES_OSTEST is not set
+# CONFIG_EXAMPLES_PASHELLO is not set
+# CONFIG_EXAMPLES_PIPE is not set
+# CONFIG_EXAMPLES_POSIXSPAWN is not set
+# CONFIG_EXAMPLES_QENCODER is not set
+# CONFIG_EXAMPLES_RGMP is not set
+# CONFIG_EXAMPLES_ROMFS is not set
+# CONFIG_EXAMPLES_SENDMAIL is not set
+# CONFIG_EXAMPLES_SERLOOP is not set
+# CONFIG_EXAMPLES_SLCD is not set
+# CONFIG_EXAMPLES_SMART_TEST is not set
+# CONFIG_EXAMPLES_SMART is not set
+# CONFIG_EXAMPLES_TCPECHO is not set
+# CONFIG_EXAMPLES_TELNETD is not set
+# CONFIG_EXAMPLES_THTTPD is not set
+# CONFIG_EXAMPLES_TIFF is not set
+# CONFIG_EXAMPLES_TOUCHSCREEN is not set
+# CONFIG_EXAMPLES_UDP is not set
+# CONFIG_EXAMPLES_UIP is not set
+# CONFIG_EXAMPLES_USBSERIAL is not set
+# CONFIG_EXAMPLES_USBTERM is not set
+# CONFIG_EXAMPLES_WATCHDOG is not set
+
+#
+# Graphics Support
+#
+# CONFIG_TIFF is not set
+
+#
+# Interpreters
+#
+# CONFIG_INTERPRETERS_FICL is not set
+# CONFIG_INTERPRETERS_PCODE is not set
+
+#
+# Network Utilities
+#
+
+#
+# Networking Utilities
+#
+# CONFIG_NETUTILS_CODECS is not set
+# CONFIG_NETUTILS_DHCPC is not set
+# CONFIG_NETUTILS_DHCPD is not set
+# CONFIG_NETUTILS_FTPC is not set
+# CONFIG_NETUTILS_FTPD is not set
+# CONFIG_NETUTILS_JSON is not set
+# CONFIG_NETUTILS_RESOLV is not set
+# CONFIG_NETUTILS_SMTP is not set
+# CONFIG_NETUTILS_TELNETD is not set
+# CONFIG_NETUTILS_TFTPC is not set
+# CONFIG_NETUTILS_THTTPD is not set
+# CONFIG_NETUTILS_UIPLIB is not set
+# CONFIG_NETUTILS_WEBCLIENT is not set
+
+#
+# FreeModBus
+#
+# CONFIG_MODBUS is not set
+
+#
+# NSH Library
+#
+CONFIG_NSH_LIBRARY=y
+CONFIG_NSH_BUILTIN_APPS=y
+
+#
+# Disable Individual commands
+#
+# CONFIG_NSH_DISABLE_ADDROUTE is not set
+# CONFIG_NSH_DISABLE_CAT is not set
+# CONFIG_NSH_DISABLE_CD is not set
+# CONFIG_NSH_DISABLE_CP is not set
+# CONFIG_NSH_DISABLE_CMP is not set
+# CONFIG_NSH_DISABLE_DD is not set
+# CONFIG_NSH_DISABLE_DELROUTE is not set
+# CONFIG_NSH_DISABLE_ECHO is not set
+# CONFIG_NSH_DISABLE_EXEC is not set
+# CONFIG_NSH_DISABLE_EXIT is not set
+# CONFIG_NSH_DISABLE_FREE is not set
+# CONFIG_NSH_DISABLE_GET is not set
+# CONFIG_NSH_DISABLE_HELP is not set
+# CONFIG_NSH_DISABLE_HEXDUMP is not set
+# CONFIG_NSH_DISABLE_IFCONFIG is not set
+# CONFIG_NSH_DISABLE_KILL is not set
+# CONFIG_NSH_DISABLE_LOSETUP is not set
+# CONFIG_NSH_DISABLE_LS is not set
+# CONFIG_NSH_DISABLE_MB is not set
+# CONFIG_NSH_DISABLE_MKDIR is not set
+# CONFIG_NSH_DISABLE_MKFATFS is not set
+# CONFIG_NSH_DISABLE_MKFIFO is not set
+# CONFIG_NSH_DISABLE_MKRD is not set
+# CONFIG_NSH_DISABLE_MH is not set
+# CONFIG_NSH_DISABLE_MOUNT is not set
+# CONFIG_NSH_DISABLE_MW is not set
+# CONFIG_NSH_DISABLE_NSFMOUNT is not set
+# CONFIG_NSH_DISABLE_PS is not set
+# CONFIG_NSH_DISABLE_PING is not set
+# CONFIG_NSH_DISABLE_PUT is not set
+# CONFIG_NSH_DISABLE_PWD is not set
+# CONFIG_NSH_DISABLE_RM is not set
+# CONFIG_NSH_DISABLE_RMDIR is not set
+# CONFIG_NSH_DISABLE_SET is not set
+# CONFIG_NSH_DISABLE_SH is not set
+# CONFIG_NSH_DISABLE_SLEEP is not set
+# CONFIG_NSH_DISABLE_TEST is not set
+# CONFIG_NSH_DISABLE_UMOUNT is not set
+# CONFIG_NSH_DISABLE_UNSET is not set
+# CONFIG_NSH_DISABLE_USLEEP is not set
+# CONFIG_NSH_DISABLE_WGET is not set
+# CONFIG_NSH_DISABLE_XD is not set
+
+#
+# Configure Command Options
+#
+# CONFIG_NSH_CMDOPT_DF_H is not set
+CONFIG_NSH_CODECS_BUFSIZE=0
+CONFIG_NSH_FILEIOSIZE=128
+CONFIG_NSH_LINELEN=40
+CONFIG_NSH_MAXARGUMENTS=6
+CONFIG_NSH_NESTDEPTH=3
+# CONFIG_NSH_DISABLESCRIPT is not set
+# CONFIG_NSH_DISABLEBG is not set
+CONFIG_NSH_CONSOLE=y
+# CONFIG_NSH_USBCONSOLE is not set
+
+#
+# USB Trace Support
+#
+# CONFIG_NSH_USBDEV_TRACE is not set
+# CONFIG_NSH_CONDEV is not set
+CONFIG_NSH_ARCHINIT=y
+
+#
+# NxWidgets/NxWM
+#
+
+#
+# Platform-specific Support
+#
+# CONFIG_PLATFORM_CONFIGDATA is not set
+
+#
+# System NSH Add-Ons
+#
+
+#
+# USB CDC/ACM Device Commands
+#
+
+#
+# USB Composite Device Commands
+#
+
+#
+# Custom Free Memory Command
+#
+# CONFIG_SYSTEM_FREE is not set
+
+#
+# I2C tool
+#
+
+#
+# FLASH Program Installation
+#
+# CONFIG_SYSTEM_INSTALL is not set
+
+#
+# FLASH Erase-all Command
+#
+# CONFIG_SYSTEM_FLASH_ERASEALL is not set
+
+#
+# NxPlayer media player library / command Line
+#
+# CONFIG_SYSTEM_NXPLAYER is not set
+
+#
+# RAM test
+#
+# CONFIG_SYSTEM_RAMTEST is not set
+
+#
+# readline()
+#
+CONFIG_SYSTEM_READLINE=y
+CONFIG_READLINE_ECHO=y
+
+#
+# Power Off
+#
+# CONFIG_SYSTEM_POWEROFF is not set
+
+#
+# RAMTRON
+#
+# CONFIG_SYSTEM_RAMTRON is not set
+
+#
+# SD Card
+#
+# CONFIG_SYSTEM_SDCARD is not set
+
+#
+# Sysinfo
+#
+CONFIG_SYSTEM_SYSINFO=y
+CONFIG_SYSTEM_SYSINFO_STACKSIZE=1024
+
+#
+# USB Monitor
+#
+# CONFIG_SYSTEM_USBMONITOR is not set
+
+#
+# Stack Monitor
+#
+# CONFIG_SYSTEM_STACKMONITOR is not set
+
+#
+# USB Mass Storage Device Commands
+#
+CONFIG_SYSTEM_USBMSC=y
+CONFIG_SYSTEM_USBMSC_NLUNS=1
+CONFIG_SYSTEM_USBMSC_DEVMINOR1=0
+CONFIG_SYSTEM_USBMSC_DEVPATH1="/dev/mtdblock0"
+CONFIG_SYSTEM_USBMSC_DEVMINOR2=1
+CONFIG_SYSTEM_USBMSC_DEVPATH2="/dev/mmcsd1"
+CONFIG_SYSTEM_USBMSC_DEVMINOR3=2
+CONFIG_SYSTEM_USBMSC_DEVPATH3="/dev/mmcsd2"
+CONFIG_SYSTEM_USBMSC_DEBUGMM=y
+CONFIG_SYSTEM_USBMSC_CMD_STACKSIZE=768
+CONFIG_SYSTEM_USBMSC_CMD_PRIORITY=100
+CONFIG_SYSTEM_USBMSC_DAEMON_STACKSIZE=2048
+CONFIG_SYSTEM_USBMSC_DAEMON_PRIORITY=100
+
+#
+# Zmodem Commands
+#
+# CONFIG_SYSTEM_ZMODEM is not set
diff --git a/configs/spark/usbmsc/setenv.sh b/configs/spark/usbmsc/setenv.sh
new file mode 100644
index 0000000000..fd754caf52
--- /dev/null
+++ b/configs/spark/usbmsc/setenv.sh
@@ -0,0 +1,63 @@
+#!/bin/bash
+# configs/spark/usbmsc/setenv.sh
+#
+#   Copyright (C) 2013 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="${PATH}"
+fi
+
+# This is the Cygwin path to the location where I build the buildroot
+# toolchain.
+
+export BUILDROOT_BIN="${WD}/../misc/buildroot/build_arm_nofpu/staging_dir/bin"
+
+# This is the path to the Spark tools directory
+
+export TOOL_BIN="${WD}/configs/spark/tools"
+
+# Update the PATH variable
+
+export PATH="${BUILDROOT_BIN}:${TOOL_BIN}:/sbin:/usr/sbin:${PATH_ORIG}"
+
+echo "PATH : ${PATH}"