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Annotation of prex-old/usr/test/time/time.c, Revision 1.1.1.1

1.1       nbrk        1: /*
                      2:  * Copyright (c) 2005, Kohsuke Ohtani
                      3:  * All rights reserved.
                      4:  *
                      5:  * Redistribution and use in source and binary forms, with or without
                      6:  * modification, are permitted provided that the following conditions
                      7:  * are met:
                      8:  * 1. Redistributions of source code must retain the above copyright
                      9:  *    notice, this list of conditions and the following disclaimer.
                     10:  * 2. Redistributions in binary form must reproduce the above copyright
                     11:  *    notice, this list of conditions and the following disclaimer in the
                     12:  *    documentation and/or other materials provided with the distribution.
                     13:  * 3. Neither the name of the author nor the names of any co-contributors
                     14:  *    may be used to endorse or promote products derived from this software
                     15:  *    without specific prior written permission.
                     16:  *
                     17:  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
                     18:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     19:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     20:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
                     21:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     22:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     23:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     24:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     25:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     26:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     27:  * SUCH DAMAGE.
                     28:  */
                     29:
                     30: /*
                     31:  * time.c - test time function
                     32:  */
                     33:
                     34: #include <prex/prex.h>
                     35: #include <stdio.h>
                     36:
                     37: u_long
                     38: get_time(void)
                     39: {
                     40:        device_t rtc_dev;
                     41:        int err;
                     42:        u_long sec;
                     43:        size_t len;
                     44:
                     45:        err = device_open("rtc", 0, &rtc_dev);
                     46:        if (err) {
                     47:                printf("error to open rtc device!\n");
                     48:                return 0;
                     49:        }
                     50:        len = sizeof(sec);
                     51:        err = device_read(rtc_dev, &sec, &len, 0);
                     52:        if (err) {
                     53:                printf("error in reading from rtc device\n");
                     54:                device_close(rtc_dev);
                     55:                return 0;
                     56:        }
                     57:        device_close(rtc_dev);
                     58:        return sec;
                     59: }
                     60:
                     61: int
                     62: main(int argc, char *argv[])
                     63: {
                     64:        u_long sys_time;
                     65:        unsigned int sec, min, hour;
                     66:
                     67:        printf("Time test program\n");
                     68:
                     69:        sys_time = get_time();
                     70:        if (sys_time == 0)
                     71:                return 0;
                     72:
                     73:        sec = sys_time % 60;
                     74:        min = (sys_time / 60) % 60;
                     75:        hour = (sys_time / 60 / 60) % 24;
                     76:        printf("Current time: %d:%d:%d\n", hour, min, sec);
                     77:
                     78:        return 0;
                     79: }

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