############################################################ # defconfig # # Copyright (C) 2007 Gregory Nutt. All rights reserved. # Author: Gregory Nutt # # 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 Gregory Nutt 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_8051 - Set if processor is 8051 family # CONFIG_ARCH_8052 = Set if processor is 8052 family # CONFIG_ARCH_BOARD - identifies the configs subdirectory and, hence, # the board that supports the particular chip or SoC. # CONFIG_ARCH_BOARD_name - for use in C code # CONFIG_ENDIAN_BIG - define if big endian (default is little endian) # CONFIG_ARCH=pjrc-8051 CONFIG_ARCH_8051=n CONFIG_ARCH_8052=y CONFIG_ARCH_BOARD=pjrc-8051 CONFIG_ARCH_BOARD_PJRC_87C52=y # # Architecture-specific settings. These may mean nothing to # other architectures. # # CONFIG-ARCH_PJRC - Set if using the PJRC 87C52 board # CONFIG_ARCH_LEDS - Use LEDs to show state. Unique to 8051. # CONFIG_8052_TIMER2 - Use timer2 for the 100Hz system timer. # (default is timer0 at 112.5Hz). # # These features are only supported when CONFIG_ARCH_BRINGUP # is set: # # CONFIG_ARCH_BRINGUP - Enables some bringup features # CONFIG_FRAME_DUMP - Enable stack/frame dumping logic # CONFIG_FRAME_DUMP_SHORT - Terse frame dump output # CONFIG_SUPPRESS_INTERRUPTS - Do not enable interrupts # CONFIG_SWITCH_FRAME_DUMP - Dump frames from normal switches # CONFIG_INTERRUPT_FRAME_DUMP - Dump frames from interrupt switches # CONFIG_LED_DEBUG - Enable debug output from LED logic # CONFIG_ARCH_PJRC=y CONFIG_ARCH_LEDS=y CONFIG_8052_TIMER2=y CONFIG_ARCH_BRINGUP=y CONFIG_FRAME_DUMP=n CONFIG_FRAME_DUMP_SHORT=n CONFIG_SUPPRESS_INTERRUPTS=y CONFIG_SWITCH_FRAME_DUMP=n CONFIG_INTERRUPT_FRAME_DUMP=n CONFIG_LED_DEBUG=n # # General OS setup # # CONFIG_EXAMPLE - identifies the subdirectory in examples # that will be used in the build # CONFIG_DEBUG - enables built-in debug options # CONFIG_DEBUG_VERBOSE - enables verbose debug output # 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_HAVE_LOWPUTC - architecture supports low-level, boot # time console output # CONFIG_TICKS_PER_MSEC - The default system timer is 100Hz # or TICKS_PER_MSEC=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_JULIAN_TIME - Enables Julian time conversions # CONFIG_START_YEAR, CONFIG_START_MONTH, CONFIG_START_DAY - # Used to initialize the internal time logic. # CONFIG_DEV_CONSOLE - Set if architecture-specific logic # provides /dev/console. Enables stdout, stderr, stdin. # CONFIG_EXAMPLE=ostest CONFIG_DEBUG=n CONFIG_DEBUG_VERBOSE=n CONFIG_MM_REGIONS=2 CONFIG_ARCH_LOWPUTC=y CONFIG_RR_INTERVAL=0 CONFIG_SCHED_INSTRUMENTATION=n CONFIG_TASK_NAME_SIZE=0 CONFIG_START_YEAR=2007 CONFIG_START_MONTH=2 CONFIG_START_DAY=21 CONFIG_JULIAN_TIME=n CONFIG_DEV_CONSOLE=n # # 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=y CONFIG_DISABLE_POSIX_TIMERS=y CONFIG_DISABLE_PTHREAD=y CONFIG_DISABLE_SIGNALS=y CONFIG_DISABLE_MQUEUE=y CONFIG_DISABLE_MOUNTPOINT=y CONFIG_DISABLE_ENVIRON=y # # Misc libc settings # # CONFIG_NOPRINTF_FIELDWIDTH - sprintf-related logic is a # little smaller if we do not support fieldwidthes # CONFIG_NOPRINTF_FIELDWIDTH=y # # Allow for architecture optimized implementations # # The architecture can provide optimized versions of the # following to improve sysem 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_BZERO=n CONFIG_ARCH_KMALLOC=n CONFIG_ARCH_KZMALLOC=n CONFIG_ARCH_KFREE=n # # General build options # # CONFIG_RRLOAD_BINARY - make the rrload binary format used with # BSPs from www.ridgerun.com # CONFIG_RRLOAD_BINARY=n # # Sizes of configurable things (0 disables) # # CONFIG_MAX_TASKS - The maximum number of simultaneously # actived 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_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=8 CONFIG_MAX_TASK_ARGS=4 CONFIG_NPTHREAD_KEYS=0 CONFIG_NFILE_DESCRIPTORS=0 CONFIG_NFILE_STREAMS=0 CONFIG_NAME_MAX=32 CONFIG_STDIO_BUFFER_SIZE=0 CONFIG_NUNGET_CHARS=0 CONFIG_PREALLOC_MQ_MSGS=0 CONFIG_MQ_MAXMSGSIZE=0 CONFIG_MAX_WDOGPARMS=2 CONFIG_PREALLOC_WDOGS=4 CONFIG_PREALLOC_TIMERS=0 # # TCP/IP and UDP support via uIP # CONFIG_NET - Enable or disable all network features # CONFIG_NET_IPv6 - Build in support for IPv6 # CONFIG_NSOCKET_DESCRIPTORS - Maximum number of socket descriptors per task/thread. # CONFIG_NET_TCP_CONNS - Maximum number of TCP connections (all tasks) # CONFIG_NET_MAX_LISTENPORTS - Maximum number of listening TCP ports (all tasks) # CONFIG_NET_SOCKOPTS - Enable or disable support for socket options # CONFIG_NET_BUFSIZE - uIP buffer size # 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_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_STATISTICS - uIP statistics on or off # CONFIG_NET_PINGADDRCONF - Use "ping" packet for setting IP address # CONFIG_NET_RECEIVE_WINDOW - The size of the advertised receiver's window # CONFIG_NET_ARPTAB_SIZE - The size of the ARP table # CONFIG_NET_BROADCAST - Broadcast support # CONFIG_NET_LLH_LEN - The link level header length # CONFIG_NET_FWCACHE_SIZE - number of packets to remember when looking for duplicates CONFIG_NET=n CONFIG_NET_IPv6=n CONFIG_NSOCKET_DESCRIPTORS=0 CONFIG_NET_TCP_CONNS=40 CONFIG_NET_MAX_LISTENPORTS=40 CONFIG_NET_SOCKOPTS=y CONFIG_NET_BUFSIZE=420 CONFIG_NET_UDP=n CONFIG_NET_UDP_CHECKSUMS=y #CONFIG_NET_UDP_CONNS=10 CONFIG_NET_STATISTICS=y #CONFIG_NET_PINGADDRCONF=0 #CONFIG_NET_RECEIVE_WINDOW= #CONFIG_NET_ARPTAB_SIZE=8 CONFIG_NET_BROADCAST=n #CONFIG_NET_LLH_LEN=14 #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 # # Stack and heap information # # CONFIG_BOOT_FROM_FLASH - Some configurations support XIP # operation from FLASH. # CONFIG_CUSTOM_STACK - The up_ implementation will handle # all stack operations outside of the nuttx model. # CONFIG_STACK_POINTER - The initial stack pointer # CONFIG_PROC_STACK_SIZE - The size of the initial stack # 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_FROM_FLASH=n CONFIG_CUSTOM_STACK=y CONFIG_PROC_STACK_SIZE= CONFIG_PTHREAD_STACK_MIN= CONFIG_PTHREAD_STACK_DEFAULT= CONFIG_HEAP_BASE= CONFIG_HEAP_SIZE=