1 /* $NetBSD: rtclock_var.h,v 1.1.1.1 1996/05/05 12:17:03 oki Exp $ */ 2 3 /* 4 * Copyright 1993, 1994 Masaru Oki 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by Masaru Oki. 18 * 4. The name of the author may not be used to endorse or promote products 19 * derived from this software without specific prior written permission 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 22 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 23 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 24 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 26 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 30 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 #ifndef _RTCLOCKVAR_H_ 34 #define _RTCLOCKVAR_H_ 35 36 /* 37 * commands written to mode, HOLD before reading the clock, 38 * FREE after done reading. 39 */ 40 41 #define RTC_HOLD_CLOCK 0 42 #define RTC_FREE_CLOCK 8 43 44 #define RTC_REG(x) (rtc_addr->bank0.x & 0x0f) 45 #define RTC_WRITE(r,x,v) (r)->bank0.x = (v) 46 47 #define FEBRUARY 2 48 #define STARTOFTIME 1970 49 #define SECDAY 86400L 50 #define SECYR (SECDAY * 365) 51 52 #define leapyear(year) ((year) % 4 == 0) 53 #define range_test(n, l, h) if ((n) < (l) || (n) > (h)) return(0) 54 #define days_in_year(a) (leapyear(a) ? 366 : 365) 55 #define days_in_month(a) (month_days[(a) - 1]) 56 57 #endif /* _RTCLOCKVAR_H_ */ 58