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