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![Simon Glass](/assets/img/avatar_default.png)
Change all files in common/ to use CMD_RET_USAGE instead of calling cmd_usage() directly. I'm not completely sure about this patch since the code since impact is small (100 byte or so on ARM) and it might need splitting into smaller patches. But for now here it is. Signed-off-by: Simon Glass <sjg@chromium.org>
226 lines
4.6 KiB
C
226 lines
4.6 KiB
C
/*
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* (C) Copyright 2001
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* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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/*
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* RTC, Date & Time support: get and set date & time
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*/
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#include <common.h>
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#include <command.h>
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#include <rtc.h>
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#include <i2c.h>
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DECLARE_GLOBAL_DATA_PTR;
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static const char * const weekdays[] = {
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"Sun", "Mon", "Tues", "Wednes", "Thurs", "Fri", "Satur",
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};
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#ifdef CONFIG_NEEDS_MANUAL_RELOC
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#define RELOC(a) ((typeof(a))((unsigned long)(a) + gd->reloc_off))
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#else
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#define RELOC(a) a
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#endif
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int mk_date (const char *, struct rtc_time *);
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int do_date (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
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{
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struct rtc_time tm;
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int rcode = 0;
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int old_bus;
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/* switch to correct I2C bus */
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old_bus = I2C_GET_BUS();
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I2C_SET_BUS(CONFIG_SYS_RTC_BUS_NUM);
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switch (argc) {
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case 2: /* set date & time */
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if (strcmp(argv[1],"reset") == 0) {
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puts ("Reset RTC...\n");
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rtc_reset ();
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} else {
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/* initialize tm with current time */
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rcode = rtc_get (&tm);
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if(!rcode) {
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/* insert new date & time */
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if (mk_date (argv[1], &tm) != 0) {
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puts ("## Bad date format\n");
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break;
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}
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/* and write to RTC */
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rcode = rtc_set (&tm);
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if(rcode)
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puts("## Set date failed\n");
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} else {
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puts("## Get date failed\n");
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}
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}
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/* FALL TROUGH */
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case 1: /* get date & time */
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rcode = rtc_get (&tm);
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if (rcode) {
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puts("## Get date failed\n");
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break;
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}
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printf ("Date: %4d-%02d-%02d (%sday) Time: %2d:%02d:%02d\n",
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tm.tm_year, tm.tm_mon, tm.tm_mday,
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(tm.tm_wday<0 || tm.tm_wday>6) ?
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"unknown " : RELOC(weekdays[tm.tm_wday]),
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tm.tm_hour, tm.tm_min, tm.tm_sec);
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break;
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default:
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rcode = CMD_RET_USAGE;
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}
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/* switch back to original I2C bus */
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I2C_SET_BUS(old_bus);
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return rcode;
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}
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/*
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* simple conversion of two-digit string with error checking
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*/
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static int cnvrt2 (const char *str, int *valp)
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{
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int val;
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if ((*str < '0') || (*str > '9'))
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return (-1);
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val = *str - '0';
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++str;
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if ((*str < '0') || (*str > '9'))
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return (-1);
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*valp = 10 * val + (*str - '0');
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return (0);
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}
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/*
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* Convert date string: MMDDhhmm[[CC]YY][.ss]
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*
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* Some basic checking for valid values is done, but this will not catch
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* all possible error conditions.
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*/
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int mk_date (const char *datestr, struct rtc_time *tmp)
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{
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int len, val;
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char *ptr;
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ptr = strchr (datestr,'.');
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len = strlen (datestr);
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/* Set seconds */
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if (ptr) {
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int sec;
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*ptr++ = '\0';
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if ((len - (ptr - datestr)) != 2)
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return (-1);
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len = strlen (datestr);
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if (cnvrt2 (ptr, &sec))
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return (-1);
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tmp->tm_sec = sec;
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} else {
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tmp->tm_sec = 0;
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}
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if (len == 12) { /* MMDDhhmmCCYY */
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int year, century;
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if (cnvrt2 (datestr+ 8, ¢ury) ||
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cnvrt2 (datestr+10, &year) ) {
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return (-1);
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}
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tmp->tm_year = 100 * century + year;
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} else if (len == 10) { /* MMDDhhmmYY */
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int year, century;
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century = tmp->tm_year / 100;
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if (cnvrt2 (datestr+ 8, &year))
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return (-1);
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tmp->tm_year = 100 * century + year;
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}
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switch (len) {
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case 8: /* MMDDhhmm */
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/* fall thru */
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case 10: /* MMDDhhmmYY */
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/* fall thru */
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case 12: /* MMDDhhmmCCYY */
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if (cnvrt2 (datestr+0, &val) ||
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val > 12) {
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break;
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}
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tmp->tm_mon = val;
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if (cnvrt2 (datestr+2, &val) ||
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val > ((tmp->tm_mon==2) ? 29 : 31)) {
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break;
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}
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tmp->tm_mday = val;
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if (cnvrt2 (datestr+4, &val) ||
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val > 23) {
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break;
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}
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tmp->tm_hour = val;
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if (cnvrt2 (datestr+6, &val) ||
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val > 59) {
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break;
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}
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tmp->tm_min = val;
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/* calculate day of week */
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GregorianDay (tmp);
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return (0);
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default:
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break;
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}
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return (-1);
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}
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/***************************************************/
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U_BOOT_CMD(
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date, 2, 1, do_date,
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"get/set/reset date & time",
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"[MMDDhhmm[[CC]YY][.ss]]\ndate reset\n"
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" - without arguments: print date & time\n"
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" - with numeric argument: set the system date & time\n"
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" - with 'reset' argument: reset the RTC"
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);
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