00001 #ifndef _DEV_RTC_H_ 00002 #define _DEV_RTC_H_ 00003 00004 /* 00005 * Copyright (C) 2005-2006 by egnite Software GmbH. All rights reserved. 00006 * 00007 * Redistribution and use in source and binary forms, with or without 00008 * modification, are permitted provided that the following conditions 00009 * are met: 00010 * 00011 * 1. Redistributions of source code must retain the above copyright 00012 * notice, this list of conditions and the following disclaimer. 00013 * 2. Redistributions in binary form must reproduce the above copyright 00014 * notice, this list of conditions and the following disclaimer in the 00015 * documentation and/or other materials provided with the distribution. 00016 * 3. Neither the name of the copyright holders nor the names of 00017 * contributors may be used to endorse or promote products derived 00018 * from this software without specific prior written permission. 00019 * 00020 * THIS SOFTWARE IS PROVIDED BY EGNITE SOFTWARE GMBH AND CONTRIBUTORS 00021 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 00022 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 00023 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL EGNITE 00024 * SOFTWARE GMBH OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 00025 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 00026 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS 00027 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 00028 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 00029 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF 00030 * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 00031 * SUCH DAMAGE. 00032 * 00033 * For additional information see http://www.ethernut.de/ 00034 */ 00035 00036 /* 00037 * $Log: rtc.h,v $ 00038 * Revision 1.1 2006/10/05 17:18:49 haraldkipp 00039 * Hardware independant RTC layer added. 00040 * 00041 */ 00042 00043 #include <sys/types.h> 00044 #include <time.h> 00045 00046 #define RTC_STATUS_PF 0x00000001 00047 #define RTC_STATUS_AL0 0x00000020 00048 #define RTC_STATUS_AL1 0x00000040 00049 00050 #define RTC_ALARM_SECOND 0x00000001 00051 #define RTC_ALARM_MINUTE 0x00000002 00052 #define RTC_ALARM_HOUR 0x00000004 00053 #define RTC_ALARM_MDAY 0x00000008 00054 #define RTC_ALARM_MONTH 0x00000010 00055 #define RTC_ALARM_WDAY 0x00000080 00056 00060 #define BCD2BIN(x) ((((u_char)(x)) >> 4) * 10 + ((x) & 0x0F)) 00061 00065 #define BIN2BCD(x) (((((u_char)(x)) / 10) << 4) + (x) % 10) 00066 00070 typedef struct _NUTRTC NUTRTC; 00071 00075 struct _NUTRTC { 00076 int (*rtc_init) (void); 00077 int (*rtc_gettime) (struct _tm *); 00078 int (*rtc_settime) (CONST struct _tm *); 00079 int (*rtc_getalarm) (int idx, struct _tm *, int *); 00080 int (*rtc_setalarm) (int idx, CONST struct _tm *, int); 00081 int (*rtc_getstatus) (u_long *); 00082 int (*rtc_clrstatus) (u_long); 00083 }; 00084 00085 __BEGIN_DECLS 00086 /* Prototypes */ 00087 extern int NutRegisterRtc(NUTRTC *rtc); 00088 00089 extern int NutRtcGetTime(struct _tm *tm); 00090 extern int NutRtcSetTime(CONST struct _tm *tm); 00091 00092 extern int NutRtcGetAlarm(int idx, struct _tm *tm, int *aflags); 00093 extern int NutRtcSetAlarm(int idx, CONST struct _tm *tm, int aflags); 00094 00095 extern int NutRtcGetStatus(u_long *sflags); 00096 extern int NutRtcClearStatus(u_long sflags); 00097 00098 __END_DECLS 00099 /* End of prototypes */ 00100 #endif