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: }
CVSweb