Add TCP echo example for the LM3S6965-EK. From Max Holtzberg

5 files changed, 883 insertions, 1 deletions

diff --git a/nuttx/ChangeLog b/nuttx/ChangeLog
index aaef727c5..f7c49b95d 100644
--- a/nuttx/ChangeLog
+++ b/nuttx/ChangeLog
@@ -4766,4 +4766,7 @@
 	  etc. Also included is some initial work for the VS1053 driver.  From
 	  Ken Pettit (2013-5-21).
 	* include/nuttx/audio/audio.h:  Moved from include/nuttx/ to include/nuttx/audio.
-	  (2013-5-21).
\ No newline at end of file
+	  (2013-5-21).
+	* configs/lm3s6965-ek/tcpecho: This configuration builds the simple TCP
+	  echo example based on W.Richard Steven UNIX Programming book to ensure
+	  correct usage of the socket API. Contributed by Max Holtzberg (2013-5-22).
diff --git a/nuttx/configs/lm3s6965-ek/README.txt b/nuttx/configs/lm3s6965-ek/README.txt
index e67b858b0..a70db8460 100644
--- a/nuttx/configs/lm3s6965-ek/README.txt
+++ b/nuttx/configs/lm3s6965-ek/README.txt
@@ -554,6 +554,32 @@ sub-directory and can be selected as follow:
 
 Where <subdir> is one of the following:
 
+  discover:
+    A configuration for the UDP discovery tool at apps/examples/discover.
+    Contributed by Max Holtzberg.
+
+    NOTES:
+    1. This configuration uses the mconf-based configuration tool.  To
+       change this configuration using that tool, you should:
+
+       a. Build and install the kconfig-mconf tool.  See nuttx/README.txt
+          and misc/tools/
+
+       b. Execute 'make menuconfig' in nuttx/ in order to start the
+          reconfiguration process.
+
+    2. Default platform/toolchain:
+
+       CONFIG_HOST_LINUX=y                 : Linux (Cygwin under Windows okay too).
+       CONFIG_ARMV7M_TOOLCHAIN_BUILDROOT=y : Buildroot (arm-nuttx-elf-gcc)
+       CONFIG_ARMV7M_OABI_TOOLCHAIN=y      : The older OABI version
+       CONFIG_RAW_BINARY=y                 : Output formats: ELF and raw binary
+
+    3. As it is configured now, you MUST have a network connected.
+       Otherwise, the NSH prompt will not come up because the Ethernet
+       driver is waiting for the network to come up.  That is probably
+       a bug in the Ethernet driver behavior!
+
   nsh:
     Configures the NuttShell (nsh) located at examples/nsh.  The
     Configuration enables both the serial and telnetd NSH interfaces.
@@ -624,3 +650,29 @@ Where <subdir> is one of the following:
        CONFIG_HOST_LINUX=y                 : Linux (Cygwin under Windows okay too).
        CONFIG_ARMV7M_TOOLCHAIN_BUILDROOT=y : Buildroot (arm-nuttx-elf-gcc)
        CONFIG_RAW_BINARY=y                 : Output formats: ELF and raw binary
+
+  tcpecho:
+    This configuration builds the simple TCP echo example based on W.Richard
+    Steven UNIX Programming book to ensure correct usage of the socket API.
+    Contributed by Max Holtzberg.
+
+    NOTES:
+    1. This configuration uses the mconf-based configuration tool.  To
+       change this configuration using that tool, you should:
+
+       a. Build and install the kconfig-mconf tool.  See nuttx/README.txt
+          and misc/tools/
+
+       b. Execute 'make menuconfig' in nuttx/ in order to start the
+          reconfiguration process.
+
+    2. Default platform/toolchain:
+
+       CONFIG_HOST_LINUX=y                     : Linux
+       CONFIG_ARMV7M_TOOLCHAIN_CODESOURCERYL=y : Codesourcery for Linux
+       CONFIG_RAW_BINARY=y                     : Output formats: ELF and raw binary
+
+    3. As it is configured now, you MUST have a network connected.
+       Otherwise, the NSH prompt will not come up because the Ethernet
+       driver is waiting for the network to come up.  That is probably
+       a bug in the Ethernet driver behavior!
diff --git a/nuttx/configs/lm3s6965-ek/tcpecho/Make.defs b/nuttx/configs/lm3s6965-ek/tcpecho/Make.defs
new file mode 100644
index 000000000..472d4dc57
--- /dev/null
+++ b/nuttx/configs/lm3s6965-ek/tcpecho/Make.defs
@@ -0,0 +1,107 @@
+############################################################################
+# configs/lm3s6965-ek/tcpecho/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 ${TOPDIR}/arch/arm/src/armv7-m/Toolchain.defs
+
+ifeq ($(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/ld.script}"
+  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/ld.script
+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
+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/nuttx/configs/lm3s6965-ek/tcpecho/defconfig b/nuttx/configs/lm3s6965-ek/tcpecho/defconfig
new file mode 100644
index 000000000..630efa30d
--- /dev/null
+++ b/nuttx/configs/lm3s6965-ek/tcpecho/defconfig
@@ -0,0 +1,657 @@
+#
+# 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 is not set
+# 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_DEBUG_VERBOSE is not set
+
+#
+# Subsystem Debug Options
+#
+# CONFIG_DEBUG_MM is not set
+# CONFIG_DEBUG_SCHED is not set
+CONFIG_DEBUG_NET=y
+# CONFIG_DEBUG_FS is not set
+# CONFIG_DEBUG_LIB is not set
+# CONFIG_DEBUG_BINFMT is not set
+# CONFIG_DEBUG_GRAPHICS is not set
+
+#
+# Driver Debug Options
+#
+# CONFIG_DEBUG_LEDS is not set
+# CONFIG_DEBUG_ANALOG is not set
+# CONFIG_DEBUG_GPIO is not set
+# CONFIG_DEBUG_AUDIO is not set
+# CONFIG_DEBUG_SYMBOLS is not set
+
+#
+# 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=y
+# 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_SAM3U is not set
+# CONFIG_ARCH_CHIP_STM32 is not set
+# CONFIG_ARCH_CHIP_STR71X is not set
+CONFIG_ARCH_CORTEXM3=y
+CONFIG_ARCH_FAMILY="armv7-m"
+CONFIG_ARCH_CHIP="lm"
+# CONFIG_ARMV7M_USEBASEPRI 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_EABI is not set
+
+#
+# Stellaris Configuration Options
+#
+# CONFIG_ARCH_CHIP_LM3S6918 is not set
+# CONFIG_ARCH_CHIP_LM3S9B96 is not set
+# CONFIG_ARCH_CHIP_LM3S6432 is not set
+CONFIG_ARCH_CHIP_LM3S6965=y
+# CONFIG_ARCH_CHIP_LM3S8962 is not set
+# CONFIG_ARCH_CHIP_LM4F120 is not set
+CONFIG_ARCH_CHIP_LM3S=y
+# CONFIG_LM_REVA2 is not set
+
+#
+# Stellaris Peripheral Support
+#
+CONFIG_LM_UART0=y
+# CONFIG_LM_UART1 is not set
+# CONFIG_LM_UART2 is not set
+# CONFIG_SSI0_DISABLE is not set
+CONFIG_SSI1_DISABLE=y
+CONFIG_LM_ETHERNET=y
+# CONFIG_LM_FLASH is not set
+
+#
+# Disable GPIO Interrupts
+#
+# CONFIG_LM_DISABLE_GPIOA_IRQS is not set
+# CONFIG_LM_DISABLE_GPIOB_IRQS is not set
+# CONFIG_LM_DISABLE_GPIOC_IRQS is not set
+# CONFIG_LM_DISABLE_GPIOD_IRQS is not set
+# CONFIG_LM_DISABLE_GPIOE_IRQS is not set
+# CONFIG_LM_DISABLE_GPIOF_IRQS is not set
+# CONFIG_LM_DISABLE_GPIOG_IRQS is not set
+CONFIG_LM_DISABLE_GPIOH_IRQS=y
+CONFIG_LM_DISABLE_GPIOJ_IRQS=y
+
+#
+# Stellaris Ethernet Configuration
+#
+# CONFIG_LM_ETHLEDS is not set
+# CONFIG_LM_BOARDMAC is not set
+# CONFIG_LM_ETHHDUPLEX is not set
+# CONFIG_LM_ETHNOAUTOCRC is not set
+# CONFIG_LM_ETHNOPAD is not set
+# CONFIG_LM_MULTICAST is not set
+# CONFIG_LM_PROMISCUOUS is not set
+# CONFIG_LM_TIMESTAMP is not set
+# CONFIG_LM_BADCRC is not set
+# CONFIG_M3S_DUMPPACKET is not set
+
+#
+# Stellaris SSI Configuration
+#
+CONFIG_SSI_POLLWAIT=y
+CONFIG_SSI_TXLIMIT=4
+# CONFIG_NET_MULTICAST is not set
+
+#
+# External Memory Configuration
+#
+
+#
+# Architecture Options
+#
+# CONFIG_ARCH_NOINTC is not set
+# CONFIG_ARCH_VECNOTIRQ is not set
+# CONFIG_ARCH_DMA is not set
+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=4531
+# CONFIG_ARCH_CALIBRATION is not set
+CONFIG_DRAM_START=0x20000000
+CONFIG_DRAM_SIZE=65536
+CONFIG_ARCH_HAVE_INTERRUPTSTACK=y
+CONFIG_ARCH_INTERRUPTSTACK=0
+
+#
+# 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
+
+#
+# Board Selection
+#
+CONFIG_ARCH_BOARD_LM3S6965EK=y
+# CONFIG_ARCH_BOARD_CUSTOM is not set
+CONFIG_ARCH_BOARD="lm3s6965-ek"
+
+#
+# Common Board Options
+#
+CONFIG_ARCH_HAVE_LEDS=y
+CONFIG_ARCH_LEDS=y
+
+#
+# Board-Specific Options
+#
+
+#
+# RTOS Features
+#
+# CONFIG_BOARD_INITIALIZE is not set
+CONFIG_MSEC_PER_TICK=10
+CONFIG_RR_INTERVAL=200
+# CONFIG_SCHED_INSTRUMENTATION is not set
+CONFIG_TASK_NAME_SIZE=0
+# CONFIG_SCHED_HAVE_PARENT is not set
+# CONFIG_JULIAN_TIME is not set
+CONFIG_START_YEAR=2010
+CONFIG_START_MONTH=5
+CONFIG_START_DAY=8
+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 is not set
+# 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="tcpecho_main"
+# CONFIG_DISABLE_OS_API 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=16
+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_MAX_WDOGPARMS=2
+CONFIG_PREALLOC_WDOGS=4
+CONFIG_PREALLOC_TIMERS=4
+
+#
+# Stack and heap information
+#
+CONFIG_IDLETHREAD_STACKSIZE=1024
+CONFIG_USERMAIN_STACKSIZE=2048
+CONFIG_PTHREAD_STACK_MIN=256
+CONFIG_PTHREAD_STACK_DEFAULT=2048
+
+#
+# Device Drivers
+#
+# CONFIG_DISABLE_POLL is not set
+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_SPI is not set
+# CONFIG_RTC is not set
+# CONFIG_WATCHDOG is not set
+# CONFIG_ANALOG 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 is not set
+# CONFIG_NETDEVICES is not set
+# CONFIG_NET_SLIP 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_UART0=y
+CONFIG_MCU_SERIAL=y
+CONFIG_STANDARD_SERIAL=y
+CONFIG_SERIAL_NPOLLWAITERS=2
+# CONFIG_SERIAL_TIOCSERGSTRUCT is not set
+CONFIG_UART0_SERIAL_CONSOLE=y
+# CONFIG_NO_SERIAL_CONSOLE is not set
+
+#
+# UART0 Configuration
+#
+CONFIG_UART0_RXBUFSIZE=256
+CONFIG_UART0_TXBUFSIZE=256
+CONFIG_UART0_BAUD=115200
+CONFIG_UART0_BITS=8
+CONFIG_UART0_PARITY=0
+CONFIG_UART0_2STOP=0
+# CONFIG_USBDEV is not set
+# CONFIG_USBHOST is not set
+# CONFIG_WIRELESS is not set
+
+#
+# System Logging Device Options
+#
+
+#
+# System Logging
+#
+# CONFIG_RAMLOG is not set
+
+#
+# Networking Support
+#
+CONFIG_NET=y
+# CONFIG_NET_NOINTS is not set
+# CONFIG_NET_MULTIBUFFER is not set
+# CONFIG_NET_PROMISCUOUS is not set
+# CONFIG_NET_IPv6 is not set
+CONFIG_NSOCKET_DESCRIPTORS=16
+CONFIG_NET_NACTIVESOCKETS=16
+CONFIG_NET_SOCKOPTS=y
+CONFIG_NET_BUFSIZE=650
+# CONFIG_NET_TCPURGDATA is not set
+
+#
+# TCP/IP Networking
+#
+CONFIG_NET_TCP=y
+CONFIG_NET_TCP_CONNS=16
+CONFIG_NET_MAX_LISTENPORTS=8
+CONFIG_NET_TCP_READAHEAD_BUFSIZE=562
+CONFIG_NET_NTCP_READAHEAD_BUFFERS=16
+CONFIG_NET_TCP_RECVDELAY=0
+CONFIG_NET_TCPBACKLOG=y
+# CONFIG_NET_TCP_SPLIT is not set
+
+#
+# UDP Networking
+#
+CONFIG_NET_UDP=y
+CONFIG_NET_UDP_CHECKSUMS=y
+CONFIG_NET_UDP_CONNS=8
+# CONFIG_NET_BROADCAST is not set
+CONFIG_NET_ICMP=y
+CONFIG_NET_ICMP_PING=y
+# CONFIG_NET_PINGADDRCONF is not set
+# CONFIG_NET_IGMP is not set
+CONFIG_NET_STATISTICS=y
+CONFIG_NET_RECEIVE_WINDOW=562
+CONFIG_NET_ARPTAB_SIZE=16
+# CONFIG_NET_ARP_IPIN 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 is not set
+# CONFIG_FAT_LFN is not set
+# CONFIG_FS_FATTIME is not set
+# CONFIG_FAT_DMAMEMORY is not set
+# CONFIG_NFS is not set
+# CONFIG_FS_NXFFS is not set
+# CONFIG_FS_ROMFS is not set
+# CONFIG_FS_SMARTFS 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 is not set
+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 is not set
+# CONFIG_PIC is not set
+# CONFIG_SYMTAB_ORDEREDBYNAME is not set
+
+#
+# Library Routines
+#
+
+#
+# Standard C Library Options
+#
+CONFIG_STDIO_BUFFER_SIZE=64
+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_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=512
+# 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
+
+#
+# Basic CXX Support
+#
+# CONFIG_C99_BOOL8 is not set
+# CONFIG_HAVE_CXX is not set
+
+#
+# Application Configuration
+#
+
+#
+# Built-In Applications
+#
+
+#
+# Examples
+#
+# CONFIG_EXAMPLES_BUTTONS is not set
+# CONFIG_EXAMPLES_CAN is not set
+# CONFIG_EXAMPLES_COMPOSITE is not set
+# 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_NETTEST is not set
+# CONFIG_EXAMPLES_NSH is not set
+# 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_POLL 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_SMART 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_DISCOVER is not set
+# CONFIG_EXAMPLES_UIP is not set
+# CONFIG_EXAMPLES_USBSERIAL is not set
+# CONFIG_EXAMPLES_USBMSC is not set
+# CONFIG_EXAMPLES_USBTERM is not set
+CONFIG_EXAMPLES_TCPECHO=y
+CONFIG_EXAMPLES_TCPECHO_PORT=80
+CONFIG_EXAMPLES_TCPECHO_BACKLOG=8
+CONFIG_EXAMPLES_TCPECHO_NCONN=8
+# CONFIG_EXAMPLES_TCPECHO_DHCPC is not set
+CONFIG_EXAMPLES_TCPECHO_NOMAC=y
+CONFIG_EXAMPLES_TCPECHO_IPADDR=0xc0a80232
+CONFIG_EXAMPLES_TCPECHO_DRIPADDR=0xc0a80201
+CONFIG_EXAMPLES_TCPECHO_NETMASK=0xffffff00
+# CONFIG_EXAMPLES_WATCHDOG is not set
+# CONFIG_EXAMPLES_WGET is not set
+# CONFIG_EXAMPLES_XMLRPC 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=y
+# 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=y
+CONFIG_NET_RESOLV_ENTRIES=4
+CONFIG_NET_RESOLV_MAXRESPONSE=96
+# CONFIG_NETUTILS_SMTP is not set
+CONFIG_NETUTILS_TELNETD=y
+CONFIG_NETUTILS_TFTPC=y
+# CONFIG_NETUTILS_THTTPD is not set
+CONFIG_NETUTILS_UIPLIB=y
+CONFIG_NETUTILS_WEBCLIENT=y
+CONFIG_NSH_WGET_USERAGENT="NuttX/6.xx.x (; http://www.nuttx.org/)"
+# CONFIG_NETUTILS_WEBSERVER is not set
+# CONFIG_NETUTILS_DISCOVER is not set
+# CONFIG_NETUTILS_XMLRPC is not set
+
+#
+# FreeModBus
+#
+# CONFIG_MODBUS is not set
+
+#
+# NSH Library
+#
+# CONFIG_NSH_LIBRARY is not set
+
+#
+# NxWidgets/NxWM
+#
+
+#
+# System NSH Add-Ons
+#
+
+#
+# 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
+#
+
+#
+# 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 is not set
+
+#
+# USB Monitor
+#
diff --git a/nuttx/configs/lm3s6965-ek/tcpecho/setenv.sh b/nuttx/configs/lm3s6965-ek/tcpecho/setenv.sh
new file mode 100644
index 000000000..7e09dde62
--- /dev/null
+++ b/nuttx/configs/lm3s6965-ek/tcpecho/setenv.sh
@@ -0,0 +1,63 @@
+#!/bin/bash
+# configs/lm3s6965-ek/tcpecho/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 LM3S6995-EK tools directory
+
+export TOOL_BIN="${WD}/configs/lm3s6965-ek/tools"
+
+# Update the PATH variable
+
+export PATH="${BUILDROOT_BIN}:${TOOL_BIN}:/sbin:/usr/sbin:${PATH_ORIG}"
+
+echo "PATH : ${PATH}"