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Xiang Xiao 0d2ef47192 nshlib: Rename CONFIG_SYSTEM_NSH_SYMTAB to CONFIG_NSH_SYMTAB 
Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
2022-10-18 22:18:38 +02:00
..
Kconfig nshlib: Rename CONFIG_SYSTEM_NSH_SYMTAB to CONFIG_NSH_SYMTAB 2022-10-18 22:18:38 +02:00
Make.defs Makefiles: Gregory Nutt: update licenses to Apache 2021-06-07 21:35:33 -05:00
Makefile Makefiles: Gregory Nutt: update licenses to Apache 2021-06-07 21:35:33 -05:00
nsh_main.c nshlib: Move symbol table initialization from nsh_main to nsh_initialize 2022-10-16 15:39:10 -04:00
README.md Rewritten READMEs to Markdown 2020-07-25 01:01:51 -07:00
sh_main.c nsh: sh_main also support isctty = true 2022-03-30 22:47:37 +03:00

README.md

System / nsh NuttShell (NSH)

Basic Configuration

This directory provides an example of how to configure and use the NuttShell (NSH) application. NSH is a simple shell application. NSH is described in its own README located at apps/nshlib/README.md. This function is enabled with:

CONFIG_SYSTEM_NSH=y

Applications using this example will need to provide an defconfig file in the configuration directory with instruction to build the NSH library like:

CONFIG_NSH_LIBRARY=y

Other Configuration Requirements

Note: If the NSH serial console is used, then following is also required to build the readline() library:

CONFIG_SYSTEM_READLINE=y

And if networking is included:

CONFIG_NETUTILS_NETLIB=y
CONFIG_NETUTILS_DHCPC=y
CONFIG_NETDB_DNSCLIENT=y
CONFIG_NETUTILS_TFTPC=y
CONFIG_NETUTILS_WEBCLIENT=y

If the Telnet console is enabled, then the defconfig file should also include:

CONFIG_NETUTILS_TELNETD=y

Also if the Telnet console is enabled, make sure that you have the following set in the NuttX configuration file or else the performance will be very bad (because there will be only one character per TCP transfer):

  • CONFIG_STDIO_BUFFER_SIZE - Some value >= 64
  • CONFIG_STDIO_LINEBUFFER=y