00001 /* 00002 * Copyright (C) 2006 by egnite Software GmbH. All rights reserved. 00003 * 00004 * Redistribution and use in source and binary forms, with or without 00005 * modification, are permitted provided that the following conditions 00006 * are met: 00007 * 00008 * 1. Redistributions of source code must retain the above copyright 00009 * notice, this list of conditions and the following disclaimer. 00010 * 2. Redistributions in binary form must reproduce the above copyright 00011 * notice, this list of conditions and the following disclaimer in the 00012 * documentation and/or other materials provided with the distribution. 00013 * 3. Neither the name of the copyright holders nor the names of 00014 * contributors may be used to endorse or promote products derived 00015 * from this software without specific prior written permission. 00016 * 00017 * THIS SOFTWARE IS PROVIDED BY EGNITE SOFTWARE GMBH AND CONTRIBUTORS 00018 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 00019 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 00020 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL EGNITE 00021 * SOFTWARE GMBH OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 00022 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 00023 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS 00024 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 00025 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 00026 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF 00027 * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 00028 * SUCH DAMAGE. 00029 * 00030 * For additional information see http://www.ethernut.de/ 00031 * 00032 */ 00033 00051 #include <dev/rtc.h> 00052 00053 static NUTRTC *reg_rtc; 00054 00055 00066 int NutRegisterRtc(NUTRTC * rtc) 00067 { 00068 reg_rtc = rtc; 00069 if (rtc && reg_rtc->rtc_init) { 00070 if ((*reg_rtc->rtc_init) ()) { 00071 reg_rtc = NULL; 00072 return -1; 00073 } 00074 } 00075 return 0; 00076 } 00077 00088 int NutRtcGetTime(struct _tm *tm) 00089 { 00090 if (reg_rtc && reg_rtc->rtc_gettime && tm) { 00091 return (*reg_rtc->rtc_gettime) (tm); 00092 } 00093 return -1; 00094 } 00095 00106 int NutRtcSetTime(CONST struct _tm *tm) 00107 { 00108 if (reg_rtc && reg_rtc->rtc_settime && tm) { 00109 return (*reg_rtc->rtc_settime) (tm); 00110 } 00111 return -1; 00112 } 00113 00125 int NutRtcGetAlarm(int idx, struct _tm *tm, int *aflags) 00126 { 00127 if (reg_rtc && reg_rtc->rtc_getalarm) { 00128 return (*reg_rtc->rtc_getalarm) (idx, tm, aflags); 00129 } 00130 return -1; 00131 } 00132 00149 int NutRtcSetAlarm(int idx, CONST struct _tm *tm, int aflags) 00150 { 00151 if (reg_rtc && reg_rtc->rtc_setalarm) { 00152 return (*reg_rtc->rtc_setalarm) (idx, tm, aflags); 00153 } 00154 return -1; 00155 } 00156 00167 int NutRtcGetStatus(u_long * sflags) 00168 { 00169 if (reg_rtc && reg_rtc->rtc_getstatus) { 00170 return (*reg_rtc->rtc_getstatus) (sflags); 00171 } 00172 return -1; 00173 } 00174 00182 int NutRtcClearStatus(u_long sflags) 00183 { 00184 if (reg_rtc && reg_rtc->rtc_clrstatus) { 00185 return (*reg_rtc->rtc_clrstatus) (sflags); 00186 } 00187 return -1; 00188 }