18 files changed, 66 insertions, 11 deletions
diff --git a/nuttx/configs/c5471evm/defconfig b/nuttx/configs/c5471evm/defconfig
index eeeb61a9b..626e7fc8b 100644
--- a/nuttx/configs/c5471evm/defconfig
+++ b/nuttx/configs/c5471evm/defconfig
@@ -145,6 +145,8 @@ CONFIG_HAVE_LIBM=n
 # CONFIG_JULIAN_TIME - Enables Julian time conversions
 # 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_EXAMPLE=ostest
 CONFIG_DEBUG=n
@@ -159,6 +161,7 @@ CONFIG_START_MONTH=2
 CONFIG_START_DAY=13
 CONFIG_JULIAN_TIME=n
 CONFIG_DEV_CONSOLE=y
+CONFIG_DEV_LOWCONSOLE=n
 
 #
 # The following can be used to disable categories of
diff --git a/nuttx/configs/c5471evm/dhcpconfig b/nuttx/configs/c5471evm/dhcpconfig
index b78b87eb8..cbcea2f62 100644
--- a/nuttx/configs/c5471evm/dhcpconfig
+++ b/nuttx/configs/c5471evm/dhcpconfig
@@ -145,6 +145,8 @@ CONFIG_HAVE_LIBM=n
 # CONFIG_JULIAN_TIME - Enables Julian time conversions
 # 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_EXAMPLE=uip
 CONFIG_DEBUG=n
@@ -159,6 +161,7 @@ CONFIG_START_MONTH=2
 CONFIG_START_DAY=13
 CONFIG_JULIAN_TIME=n
 CONFIG_DEV_CONSOLE=y
+CONFIG_DEV_LOWCONSOLE=n
 
 #
 # The following can be used to disable categories of
diff --git a/nuttx/configs/c5471evm/netconfig b/nuttx/configs/c5471evm/netconfig
index 713467dd4..109cd7279 100644
--- a/nuttx/configs/c5471evm/netconfig
+++ b/nuttx/configs/c5471evm/netconfig
@@ -145,6 +145,8 @@ CONFIG_UART_MODEM_2STOP=0
 # CONFIG_JULIAN_TIME - Enables Julian time conversions
 # 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_EXAMPLE=nettest
 CONFIG_DEBUG=n
@@ -159,6 +161,7 @@ CONFIG_START_MONTH=2
 CONFIG_START_DAY=13
 CONFIG_JULIAN_TIME=n
 CONFIG_DEV_CONSOLE=y
+CONFIG_DEV_LOWCONSOLE=n
 
 #
 # The following can be used to disable categories of
diff --git a/nuttx/configs/c5471evm/nshconfig b/nuttx/configs/c5471evm/nshconfig
index fef337dc0..206438f17 100644
--- a/nuttx/configs/c5471evm/nshconfig
+++ b/nuttx/configs/c5471evm/nshconfig
@@ -145,6 +145,8 @@ CONFIG_HAVE_LIBM=n
 # CONFIG_JULIAN_TIME - Enables Julian time conversions
 # 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_EXAMPLE=nsh
 CONFIG_DEBUG=n
@@ -159,6 +161,7 @@ CONFIG_START_MONTH=2
 CONFIG_START_DAY=13
 CONFIG_JULIAN_TIME=n
 CONFIG_DEV_CONSOLE=y
+CONFIG_DEV_LOWCONSOLE=n
 
 #
 # The following can be used to disable categories of
diff --git a/nuttx/configs/m68332evb/defconfig b/nuttx/configs/m68332evb/defconfig
index 0df6da5d9..227677ba0 100644
--- a/nuttx/configs/m68332evb/defconfig
+++ b/nuttx/configs/m68332evb/defconfig
@@ -134,6 +134,8 @@ CONFIG_HAVE_LIBM=n
 # CONFIG_JULIAN_TIME - Enables Julian time conversions
 # 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_EXAMPLE=ostest
 CONFIG_DEBUG=n
@@ -148,6 +150,7 @@ CONFIG_START_MONTH=2
 CONFIG_START_DAY=13
 CONFIG_JULIAN_TIME=n
 CONFIG_DEV_CONSOLE=y
+CONFIG_DEV_LOWCONSOLE=n
 
 #
 # The following can be used to disable categories of
diff --git a/nuttx/configs/mcu123-lpc214x/ostest/defconfig b/nuttx/configs/mcu123-lpc214x/ostest/defconfig
index 9d1567d3d..a0bd930fa 100644
--- a/nuttx/configs/mcu123-lpc214x/ostest/defconfig
+++ b/nuttx/configs/mcu123-lpc214x/ostest/defconfig
@@ -1,5 +1,5 @@
 ############################################################################
-# configs/mcu123-lpc214x/defconfig
+# configs/mcu123-lpc214x/ostest/defconfig
 #
 #   Copyright (C) 2007, 2008 Gregory Nutt. All rights reserved.
 #   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
@@ -33,7 +33,7 @@
 #
 ############################################################################
 #
-# architecture selection
+# Architecture selection
 #
 # CONFIG_ARCH - identifies the arch subdirectory and, hence, the
 #   processor architecture.
@@ -158,13 +158,15 @@ CONFIG_HAVE_LIBM=n
 # CONFIG_JULIAN_TIME - Enables Julian time conversions
 # 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_EXAMPLE=ostest
 CONFIG_DEBUG=n
 CONFIG_DEBUG_VERBOSE=n
 CONFIG_MM_REGIONS=1
 CONFIG_ARCH_LOWPUTC=y
-CONFIG_RR_INTERVAL=200
+CONFIG_RR_INTERVAL=0
 CONFIG_SCHED_INSTRUMENTATION=n
 CONFIG_TASK_NAME_SIZE=0
 CONFIG_START_YEAR=2008
@@ -172,6 +174,7 @@ CONFIG_START_MONTH=9
 CONFIG_START_DAY=17
 CONFIG_JULIAN_TIME=n
 CONFIG_DEV_CONSOLE=y
+CONFIG_DEV_LOWCONSOLE=y
 
 #
 # The following can be used to disable categories of
@@ -264,12 +267,12 @@ CONFIG_NPTHREAD_KEYS=4
 CONFIG_NFILE_DESCRIPTORS=8
 CONFIG_NFILE_STREAMS=8
 CONFIG_NAME_MAX=32
-CONFIG_STDIO_BUFFER_SIZE=512
+CONFIG_STDIO_BUFFER_SIZE=256
 CONFIG_NUNGET_CHARS=2
-CONFIG_PREALLOC_MQ_MSGS=8
+CONFIG_PREALLOC_MQ_MSGS=4
 CONFIG_MQ_MAXMSGSIZE=32
-CONFIG_MAX_WDOGPARMS=4
-CONFIG_PREALLOC_WDOGS=8
+CONFIG_MAX_WDOGPARMS=2
+CONFIG_PREALLOC_WDOGS=4
 CONFIG_PREALLOC_TIMERS=4
 
 #
@@ -325,6 +328,11 @@ CONFIG_NET_DHCP_LIGHT=n
 CONFIG_NET_RESOLV_ENTRIES=4
 
 #
+# Settings for examples/ostest
+CONFIG_EXAMPLES_OSTEST_LOOPS=1
+CONFIG_EXAMPLES_OSTEST_STACKSIZE=512
+
+#
 # Settings for examples/nsh
 CONFIG_EXAMPLES_NSH_CONSOLE=y
 CONFIG_EXAMPLES_NSH_TELNET=n
@@ -354,8 +362,8 @@ CONFIG_EXAMPLES_NSH_NETMASK=(255<<24|255<<16|255<<8|0)
 CONFIG_BOOT_FROM_FLASH=y
 CONFIG_CUSTOM_STACK=n
 CONFIG_STACK_POINTER=
-CONFIG_PROC_STACK_SIZE=1024
+CONFIG_PROC_STACK_SIZE=512
 CONFIG_PTHREAD_STACK_MIN=256
-CONFIG_PTHREAD_STACK_DEFAULT=1024
+CONFIG_PTHREAD_STACK_DEFAULT=512
 CONFIG_HEAP_BASE=
 CONFIG_HEAP_SIZE=
diff --git a/nuttx/configs/ntosd-dm320/nettest/defconfig b/nuttx/configs/ntosd-dm320/nettest/defconfig
index 6bba44f69..be3ca6d24 100644
--- a/nuttx/configs/ntosd-dm320/nettest/defconfig
+++ b/nuttx/configs/ntosd-dm320/nettest/defconfig
@@ -143,6 +143,8 @@ CONFIG_HAVE_LIBM=n
 # CONFIG_JULIAN_TIME - Enables Julian time conversions
 # 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_EXAMPLE=nettest
 CONFIG_DEBUG=n
@@ -157,6 +159,7 @@ CONFIG_START_MONTH=8
 CONFIG_START_DAY=29
 CONFIG_JULIAN_TIME=n
 CONFIG_DEV_CONSOLE=y
+CONFIG_DEV_LOWCONSOLE=n
 
 #
 # The following can be used to disable categories of
diff --git a/nuttx/configs/ntosd-dm320/nsh/defconfig b/nuttx/configs/ntosd-dm320/nsh/defconfig
index c9bc5d208..d10fafeb2 100644
--- a/nuttx/configs/ntosd-dm320/nsh/defconfig
+++ b/nuttx/configs/ntosd-dm320/nsh/defconfig
@@ -143,6 +143,8 @@ CONFIG_HAVE_LIBM=n
 # CONFIG_JULIAN_TIME - Enables Julian time conversions
 # 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_EXAMPLE=nsh
 CONFIG_DEBUG=n
@@ -157,6 +159,7 @@ CONFIG_START_MONTH=9
 CONFIG_START_DAY=12
 CONFIG_JULIAN_TIME=n
 CONFIG_DEV_CONSOLE=y
+CONFIG_DEV_LOWCONSOLE=n
 
 #
 # The following can be used to disable categories of
diff --git a/nuttx/configs/ntosd-dm320/ostest/defconfig b/nuttx/configs/ntosd-dm320/ostest/defconfig
index 1b0018040..3e4c44c6f 100644
--- a/nuttx/configs/ntosd-dm320/ostest/defconfig
+++ b/nuttx/configs/ntosd-dm320/ostest/defconfig
@@ -143,6 +143,8 @@ CONFIG_HAVE_LIBM=n
 # CONFIG_JULIAN_TIME - Enables Julian time conversions
 # 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_EXAMPLE=ostest
 CONFIG_DEBUG=n
@@ -157,6 +159,7 @@ CONFIG_START_MONTH=8
 CONFIG_START_DAY=29
 CONFIG_JULIAN_TIME=n
 CONFIG_DEV_CONSOLE=y
+CONFIG_DEV_LOWCONSOLE=n
 
 #
 # The following can be used to disable categories of
diff --git a/nuttx/configs/ntosd-dm320/udp/defconfig b/nuttx/configs/ntosd-dm320/udp/defconfig
index b07a48092..d0ec81a7d 100644
--- a/nuttx/configs/ntosd-dm320/udp/defconfig
+++ b/nuttx/configs/ntosd-dm320/udp/defconfig
@@ -143,6 +143,8 @@ CONFIG_HAVE_LIBM=n
 # CONFIG_JULIAN_TIME - Enables Julian time conversions
 # 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_EXAMPLE=udp
 CONFIG_DEBUG=n
@@ -157,6 +159,7 @@ CONFIG_START_MONTH=8
 CONFIG_START_DAY=29
 CONFIG_JULIAN_TIME=n
 CONFIG_DEV_CONSOLE=y
+CONFIG_DEV_LOWCONSOLE=n
 
 #
 # The following can be used to disable categories of
diff --git a/nuttx/configs/ntosd-dm320/uip/defconfig b/nuttx/configs/ntosd-dm320/uip/defconfig
index 52a59a515..d463ab1a9 100644
--- a/nuttx/configs/ntosd-dm320/uip/defconfig
+++ b/nuttx/configs/ntosd-dm320/uip/defconfig
@@ -143,6 +143,8 @@ CONFIG_HAVE_LIBM=n
 # CONFIG_JULIAN_TIME - Enables Julian time conversions
 # 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_EXAMPLE=uip
 CONFIG_DEBUG=n
@@ -157,6 +159,7 @@ CONFIG_START_MONTH=8
 CONFIG_START_DAY=29
 CONFIG_JULIAN_TIME=n
 CONFIG_DEV_CONSOLE=n
+CONFIG_DEV_LOWCONSOLE=n
 
 #
 # The following can be used to disable categories of
diff --git a/nuttx/configs/pjrc-8051/defconfig b/nuttx/configs/pjrc-8051/defconfig
index 920eb96f8..280f61239 100644
--- a/nuttx/configs/pjrc-8051/defconfig
+++ b/nuttx/configs/pjrc-8051/defconfig
@@ -131,6 +131,8 @@ CONFIG_HAVE_LIBM=n
 #   Used to initialize the internal time logic.
 # 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_EXAMPLE=ostest
 CONFIG_DEBUG=n
@@ -145,6 +147,7 @@ CONFIG_START_MONTH=2
 CONFIG_START_DAY=21
 CONFIG_JULIAN_TIME=n
 CONFIG_DEV_CONSOLE=n
+CONFIG_DEV_LOWCONSOLE=n
 
 #
 # The following can be used to disable categories of
diff --git a/nuttx/configs/sim/mount/defconfig b/nuttx/configs/sim/mount/defconfig
index fd576979b..1ebb03bfc 100644
--- a/nuttx/configs/sim/mount/defconfig
+++ b/nuttx/configs/sim/mount/defconfig
@@ -80,6 +80,8 @@ CONFIG_ARCH_BOARD_SIM=y
 #   Used to initialize the internal time logic.
 # 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_EXAMPLE=mount
 CONFIG_DEBUG=y
@@ -94,6 +96,7 @@ CONFIG_START_MONTH=6
 CONFIG_START_DAY=1
 CONFIG_JULIAN_TIME=n
 CONFIG_DEV_CONSOLE=y
+CONFIG_DEV_LOWCONSOLE=n
 
 #
 # The following can be used to disable categories of
diff --git a/nuttx/configs/sim/nettest/defconfig b/nuttx/configs/sim/nettest/defconfig
index bf918b2b2..df04db1ed 100644
--- a/nuttx/configs/sim/nettest/defconfig
+++ b/nuttx/configs/sim/nettest/defconfig
@@ -80,6 +80,8 @@ CONFIG_ARCH_BOARD_SIM=y
 #   Used to initialize the internal time logic.
 # 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_EXAMPLE=nettest
 CONFIG_DEBUG=n
@@ -94,6 +96,7 @@ CONFIG_START_MONTH=8
 CONFIG_START_DAY=16
 CONFIG_JULIAN_TIME=n
 CONFIG_DEV_CONSOLE=y
+CONFIG_DEV_LOWCONSOLE=n
 
 #
 # The following can be used to disable categories of
diff --git a/nuttx/configs/sim/nsh/defconfig b/nuttx/configs/sim/nsh/defconfig
index 828788895..6cc39f2b2 100644
--- a/nuttx/configs/sim/nsh/defconfig
+++ b/nuttx/configs/sim/nsh/defconfig
@@ -80,6 +80,8 @@ CONFIG_ARCH_BOARD_SIM=y
 #   Used to initialize the internal time logic.
 # 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_EXAMPLE=nsh
 CONFIG_DEBUG=y
@@ -94,6 +96,7 @@ CONFIG_START_MONTH=6
 CONFIG_START_DAY=1
 CONFIG_JULIAN_TIME=n
 CONFIG_DEV_CONSOLE=y
+CONFIG_DEV_LOWCONSOLE=n
 
 #
 # The following can be used to disable categories of
diff --git a/nuttx/configs/sim/ostest/defconfig b/nuttx/configs/sim/ostest/defconfig
index a00dd1126..577b762a5 100644
--- a/nuttx/configs/sim/ostest/defconfig
+++ b/nuttx/configs/sim/ostest/defconfig
@@ -80,6 +80,8 @@ CONFIG_ARCH_BOARD_SIM=y
 #   Used to initialize the internal time logic.
 # 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_EXAMPLE=ostest
 CONFIG_DEBUG=y
@@ -94,6 +96,7 @@ CONFIG_START_MONTH=2
 CONFIG_START_DAY=27
 CONFIG_JULIAN_TIME=n
 CONFIG_DEV_CONSOLE=y
+CONFIG_DEV_LOWCONSOLE=n
 CONFIG_MUTEX_TYPES=y
 
 #
diff --git a/nuttx/configs/sim/pashello/defconfig b/nuttx/configs/sim/pashello/defconfig
index bfddb43c3..a75275f6a 100644
--- a/nuttx/configs/sim/pashello/defconfig
+++ b/nuttx/configs/sim/pashello/defconfig
@@ -80,6 +80,8 @@ CONFIG_ARCH_BOARD_SIM=y
 #   Used to initialize the internal time logic.
 # 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_EXAMPLE=pashello
 CONFIG_DEBUG=n
@@ -94,6 +96,7 @@ CONFIG_START_MONTH=2
 CONFIG_START_DAY=27
 CONFIG_JULIAN_TIME=n
 CONFIG_DEV_CONSOLE=y
+CONFIG_DEV_LOWCONSOLE=n
 
 #
 # The following can be used to disable categories of
diff --git a/nuttx/configs/z80sim/pashello/defconfig b/nuttx/configs/z80sim/pashello/defconfig
index 8dea30eab..e091eb1d5 100644
--- a/nuttx/configs/z80sim/pashello/defconfig
+++ b/nuttx/configs/z80sim/pashello/defconfig
@@ -131,9 +131,8 @@ CONFIG_START_YEAR=2007
 CONFIG_START_MONTH=2
 CONFIG_START_DAY=21
 CONFIG_JULIAN_TIME=n
-CONFIG_DEV_CONSOLE=y
 CONFIG_HAVE_LOWUARTINIT=n
-CONFIG_DEV_LOWCONSOLE=y
+CONFIG_DEV_CONSOLE=y
 CONFIG_DEV_LOWCONSOLE=n
 
 #