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Diffstat (limited to 'apps/examples/nsh/nsh_main.c')
-rw-r--r-- | apps/examples/nsh/nsh_main.c | 136 |
1 files changed, 136 insertions, 0 deletions
diff --git a/apps/examples/nsh/nsh_main.c b/apps/examples/nsh/nsh_main.c new file mode 100644 index 000000000..c5b671ab1 --- /dev/null +++ b/apps/examples/nsh/nsh_main.c @@ -0,0 +1,136 @@ +/**************************************************************************** + * examples/nsh/nsh_main.c + * + * Copyright (C) 2007-2012 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. + * + ****************************************************************************/ + +/**************************************************************************** + * Included Files + ****************************************************************************/ + +#include <nuttx/config.h> + +#include <sys/stat.h> +#include <stdint.h> +#include <stdio.h> +#include <sched.h> +#include <errno.h> + +#include <nuttx/arch.h> + +#include <apps/nsh.h> + +/**************************************************************************** + * Pre-processor Definitions + ****************************************************************************/ + +/* The NSH telnet console requires networking support (and TCP/IP) */ + +#ifndef CONFIG_NET +# undef CONFIG_NSH_TELNET +#endif + +/**************************************************************************** + * Private Types + ****************************************************************************/ + +/**************************************************************************** + * Private Function Prototypes + ****************************************************************************/ + +/**************************************************************************** + * Private Data + ****************************************************************************/ + +/**************************************************************************** + * Public Data + ****************************************************************************/ + +/**************************************************************************** + * Private Functions + ****************************************************************************/ + +/**************************************************************************** + * Public Functions + ****************************************************************************/ + +/**************************************************************************** + * Name: user_start + ****************************************************************************/ + +int user_start(int argc, char *argv[]) +{ + int exitval = 0; + int ret; + + /* Call all C++ static constructors */ + +#if defined(CONFIG_HAVE_CXX) && defined(CONFIG_HAVE_CXXINITIALIZE) + up_cxxinitialize(); +#endif + + /* Initialize the NSH library */ + + nsh_initialize(); + + /* If the Telnet console is selected as a front-end, then start the + * Telnet daemon. + */ + +#ifdef CONFIG_NSH_TELNET + ret = nsh_telnetstart(); + if (ret < 0) + { + /* The daemon is NOT running. Report the the error then fail... + * either with the serial console up or just exiting. + */ + + fprintf(stderr, "ERROR: Failed to start TELNET daemon: %d\n", ret); + exitval = 1; + } +#endif + + /* If the serial console front end is selected, then run it on this thread */ + +#ifdef CONFIG_NSH_CONSOLE + ret = nsh_consolemain(0, NULL); + + /* nsh_consolemain() should not return. So if we get here, something + * is wrong. + */ + + fprintf(stderr, "ERROR: nsh_consolemain() returned: %d\n", ret); + exitval = 1; +#endif + + return exitval; +} |