diff options
Diffstat (limited to 'apps/nshlib/nsh_timcmds.c')
-rw-r--r-- | apps/nshlib/nsh_timcmds.c | 331 |
1 files changed, 331 insertions, 0 deletions
diff --git a/apps/nshlib/nsh_timcmds.c b/apps/nshlib/nsh_timcmds.c new file mode 100644 index 000000000..bc2bda6f4 --- /dev/null +++ b/apps/nshlib/nsh_timcmds.c @@ -0,0 +1,331 @@ +/**************************************************************************** + * apps/nshlib/dbg_timcmds.c + * + * Copyright (C) 2011-2012 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 <stdlib.h> +#include <string.h> +#include <unistd.h> +#include <time.h> + +#include "nsh.h" +#include "nsh_console.h" + +/**************************************************************************** + * Definitions + ****************************************************************************/ + +#define MAX_TIME_STRING 80 + +/**************************************************************************** + * Private Types + ****************************************************************************/ + +/**************************************************************************** + * Private Function Prototypes + ****************************************************************************/ + +/**************************************************************************** + * Private Data + ****************************************************************************/ + +#if defined (CONFIG_RTC) && !defined(CONFIG_DISABLE_CLOCK) && !defined(CONFIG_NSH_DISABLE_DATE) +static FAR const char * const g_datemontab[] = +{ + "jan", "feb", "mar", "apr", "may", "jun", + "jul", "aug", "sep", "oct", "nov", "dec" +}; +#endif + +/**************************************************************************** + * Public Data + ****************************************************************************/ + +/**************************************************************************** + * Private Functions + ****************************************************************************/ + +/**************************************************************************** + * Name: date_month + ****************************************************************************/ + +#if defined (CONFIG_RTC) && !defined(CONFIG_DISABLE_CLOCK) && !defined(CONFIG_NSH_DISABLE_DATE) +static inline int date_month(FAR const char *abbrev) +{ + int i; + + for (i = 0; i < 12; i++) + { + if (strncasecmp(g_datemontab[i], abbrev, 3) == 0) + { + return i; + } + } + return ERROR; +} +#endif + +/**************************************************************************** + * Name: date_gettime + ****************************************************************************/ + +#if defined (CONFIG_RTC) && !defined(CONFIG_DISABLE_CLOCK) && !defined(CONFIG_NSH_DISABLE_DATE) +static inline int date_showtime(FAR struct nsh_vtbl_s *vtbl, FAR const char *name) +{ + static const char format[] = "%b %d %H:%M:%S %Y"; + struct timespec ts; + struct tm tm; + char timbuf[MAX_TIME_STRING]; + int ret; + + /* Get the current time */ + + ret = clock_gettime(CLOCK_REALTIME, &ts); + if (ret < 0) + { + nsh_output(vtbl, g_fmtcmdfailed, name, "clock_gettime", NSH_ERRNO); + return ERROR; + } + + /* Break the current time up into the format needed by strftime */ + + (void)gmtime_r((FAR const time_t*)&ts.tv_sec, &tm); + + /* Show the current time in the requested format */ + + (void)strftime(timbuf, MAX_TIME_STRING, format, &tm); + nsh_output(vtbl, "%s\n", timbuf); + return OK; +} +#endif + +/**************************************************************************** + * Name: date_settime + ****************************************************************************/ + +#if defined (CONFIG_RTC) && !defined(CONFIG_DISABLE_CLOCK) && !defined(CONFIG_NSH_DISABLE_DATE) +static inline int date_settime(FAR struct nsh_vtbl_s *vtbl, FAR const char *name, + FAR char *newtime) +{ + struct timespec ts; + struct tm tm; + FAR char *token; + FAR char *saveptr; + long result; + int ret; + + /* Only this date format is supported: MMM DD HH:MM:SS YYYY */ + /* Get the month abbreviation */ + + token = strtok_r(newtime, " \t",&saveptr); + if (token == NULL) + { + goto errout_bad_parm; + } + + tm.tm_mon = date_month(token); + if (tm.tm_mon < 0) + { + goto errout_bad_parm; + } + + /* Get the day of the month. NOTE: Accepts day-of-month up to 31 for all months */ + + token = strtok_r(NULL, " \t",&saveptr); + if (token == NULL) + { + goto errout_bad_parm; + } + + result = strtol(token, NULL, 10); + if (result < 1 || result > 31) + { + goto errout_bad_parm; + } + tm.tm_mday = (int)result; + + /* Get the hours */ + + token = strtok_r(NULL, " \t:", &saveptr); + if (token == NULL) + { + goto errout_bad_parm; + } + + result = strtol(token, NULL, 10); + if (result < 0 || result > 23) + { + goto errout_bad_parm; + } + tm.tm_hour = (int)result; + + /* Get the minutes */ + + token = strtok_r(NULL, " \t:", &saveptr); + if (token == NULL) + { + goto errout_bad_parm; + } + + result = strtol(token, NULL, 10); + if (result < 0 || result > 59) + { + goto errout_bad_parm; + } + tm.tm_min = (int)result; + + /* Get the seconds */ + + token = strtok_r(NULL, " \t:", &saveptr); + if (token == NULL) + { + goto errout_bad_parm; + } + + result = strtol(token, NULL, 10); + if (result < 0 || result > 61) + { + goto errout_bad_parm; + } + tm.tm_sec = (int)result; + + /* And finally the year */ + + token = strtok_r(NULL, " \t", &saveptr); + if (token == NULL) + { + goto errout_bad_parm; + } + + result = strtol(token, NULL, 10); + if (result < 1900 || result > 2100) + { + goto errout_bad_parm; + } + tm.tm_year = (int)result - 1900; + + /* Convert this to the right form, then set the timer */ + + ts.tv_sec = mktime(&tm); + ts.tv_nsec = 0; + + ret = clock_settime(CLOCK_REALTIME, &ts); + if (ret < 0) + { + nsh_output(vtbl, g_fmtcmdfailed, name, "clock_settime", NSH_ERRNO); + return ERROR; + } + return OK; + +errout_bad_parm: + nsh_output(vtbl, g_fmtarginvalid, name); + return ERROR; +} +#endif + +/**************************************************************************** + * Public Functions + ****************************************************************************/ + +/**************************************************************************** + * Name: cmd_date + ****************************************************************************/ + +#if defined (CONFIG_RTC) && !defined(CONFIG_DISABLE_CLOCK) && !defined(CONFIG_NSH_DISABLE_DATE) +int cmd_date(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv) +{ + FAR char *newtime = NULL; + FAR const char *errfmt; + bool badarg = false; + int option; + int ret; + + /* Get the date options: date [-s time] [+FORMAT] */ + + while ((option = getopt(argc, argv, "s:")) != ERROR) + { + if (option == 's') + { + /* We will be setting the time */ + + newtime = optarg; + } + else /* option = '?' */ + { + /* We need to parse to the end anyway so that getopt stays healthy */ + + badarg = true; + } + } + + /* If a bad argument was encountered then exit with an error */ + + if (badarg) + { + errfmt = g_fmtarginvalid; + goto errout; + } + + /* optind < argc-1 means that there are additional, unexpected arguments on + * th command-line + */ + + if (optind < argc) + { + errfmt = g_fmttoomanyargs; + goto errout; + } + + /* Display or set the time */ + + if (newtime) + { + ret = date_settime(vtbl, argv[0], newtime); + } + else + { + ret = date_showtime(vtbl, argv[0]); + } + return ret; + +errout: + nsh_output(vtbl, errfmt, argv[0]); + return ERROR; +} +#endif |