Oliver Hahm
13 years ago
parent
c083928983
commit
ddcbd10a03
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/******************************************************************************
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Copyright 2010, Freie Universitaet Berlin (FUB). All rights reserved.
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These sources were developed at the Freie Universitaet Berlin, Computer Systems
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and Telematics group (http://cst.mi.fu-berlin.de).
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-------------------------------------------------------------------------------
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This file is part of µkleos.
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This program is free software: you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free Software
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Foundation, either version 3 of the License, or (at your option) any later
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version.
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FeuerWare is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along with
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this program. If not, see http://www.gnu.org/licenses/ .
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--------------------------------------------------------------------------------
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For further information and questions please use the web site
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http://scatterweb.mi.fu-berlin.de
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and the mailinglist (subscription via web site)
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scatterweb@lists.spline.inf.fu-berlin.de
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*******************************************************************************/
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#include <string.h>
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#include <signal.h>
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#include <irq.h>
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#include <cpu.h>
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#include <cc430x613x.h>
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#include <cc430-rtc.h>
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//static volatile time_t epoch;
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static struct tm time_to_set;
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/*---------------------------------------------------------------------------*/
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void rtc_init(void) {
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/* Set to calendar mode */
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RTCCTL1 |= RTCMODE_H;
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}
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/*---------------------------------------------------------------------------*/
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void rtc_enable(void) {
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/* Set RTC operational */
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RTCCTL1 &= ~RTCHOLD_H;
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}
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/*---------------------------------------------------------------------------*/
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void rtc_disable(void) {
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/* Stop RTC */
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RTCCTL1 |= RTCHOLD_H;
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}
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/*---------------------------------------------------------------------------*/
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void rtc_set_localtime(struct tm* localt) {
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if(localt == NULL) {
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return;
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}
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/* copy time to be set */
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memcpy(&time_to_set, localt, sizeof(struct tm));
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/* set interrupt to set this time after the next transition */
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RTCCTL0 |= RTCRDYIE;
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}
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/*---------------------------------------------------------------------------
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void rtc_set(time_t time) {
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struct tm* localt;
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localt = localtime(&time); // convert seconds to broken-down time
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rtc_set_localtime(localt);
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epoch = time - localt->tm_sec - localt->tm_min * 60;
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}
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*/
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/*---------------------------------------------------------------------------
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time_t rtc_time(void) {
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time_t sec;
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struct tm t;
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rtc_get_localtime(&t);
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sec = mktime(&t);
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return sec;
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}
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*/
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/*---------------------------------------------------------------------------*/
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void rtc_get_localtime(struct tm* localt) {
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uint8_t success = 0;
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uint8_t i;
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uint16_t tmpyear;
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if( localt == NULL ) {
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return;
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}
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while (!success) {
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for (i = 0; i < 8; i++) {
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/* try again when RTC is in transition */
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if (!(RTCCTL1 & RTCRDY_H)) {
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break;
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}
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switch (i) {
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case 0:
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localt->tm_sec = RTCSEC;
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break;
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case 1:
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localt->tm_min = RTCMIN;
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break;
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case 2:
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localt->tm_hour = RTCHOUR;
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break;
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case 3:
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localt->tm_mday = RTCDAY;
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break;
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case 4:
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localt->tm_wday = RTCDOW;
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break;
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case 5:
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localt->tm_mon = RTCMON - 1;
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break;
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case 6:
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tmpyear = RTCYEARL;
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tmpyear |= (RTCYEARH << 0x08);
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localt->tm_year = tmpyear - 1900;
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break;
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default:
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success = 1;
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break;
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}
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}
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}
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}
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/*---------------------------------------------------------------------------*/
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void rtc_set_alarm(struct tm* localt, rtc_alarm_mask_t mask) {
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if (mask & RTC_ALARM_MIN) {
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RTCAMIN = localt->tm_min;
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RTCAMIN |= BIT7;
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}
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if (mask & RTC_ALARM_HOUR) {
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RTCAHOUR = localt->tm_hour;
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RTCAHOUR |= BIT7;
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}
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if (mask & RTC_ALARM_DOW) {
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RTCADOW = localt->tm_wday;
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RTCADOW |= BIT7;
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}
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if (mask & RTC_ALARM_DOM) {
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RTCADAY = localt->tm_mday;
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RTCADAY |= BIT7;
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}
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RTCCTL0 |= RTCAIE;
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}
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/*---------------------------------------------------------------------------*/
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void rtc_remove_alarm(void) {
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/* reset all AE bits */
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RTCAHOUR &= ~BIT7;
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RTCAMIN &= ~BIT7;
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RTCADAY &= ~BIT7;
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RTCADOW &= ~BIT7;
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/* reset alarm interrupt enable */
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RTCCTL0 &= ~RTCAIE;
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}
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/*---------------------------------------------------------------------------*/
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interrupt(RTC_VECTOR) __attribute__ ((naked)) rtc_isr(void) {
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__enter_isr();
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/* RTC is save to write for up to one second now */
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if (RTCIV == RTC_RTCRDYIFG) {
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/* disable interrupt */
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RTCCTL0 &= ~RTCRDYIE;
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/* set previous set time and reset it */
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RTCSEC = time_to_set.tm_sec;
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RTCMIN = time_to_set.tm_min;
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RTCHOUR = time_to_set.tm_hour;
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RTCDAY = time_to_set.tm_mday;
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RTCDOW = time_to_set.tm_wday;
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RTCMON = time_to_set.tm_mon + 1;
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RTCYEARL = (time_to_set.tm_year + 1900) & 0xFF;
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RTCYEARH = (time_to_set.tm_year + 1900) >> 0x08;
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}
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/* RTC alarm */
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else if (RTCIV == RTC_RTCAIFG) {
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}
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__exit_isr();
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}
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@ -0,0 +1,75 @@
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/******************************************************************************
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Copyright 2010, Freie Universitaet Berlin (FUB). All rights reserved.
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These sources were developed at the Freie Universitaet Berlin, Computer Systems
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and Telematics group (http://cst.mi.fu-berlin.de).
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-------------------------------------------------------------------------------
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This file is part of µkleos.
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This program is free software: you can redistribute it and/or modify it under
|
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the terms of the GNU General Public License as published by the Free Software
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Foundation, either version 3 of the License, or (at your option) any later
|
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version.
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|
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FeuerWare is distributed in the hope that it will be useful, but WITHOUT
|
||||
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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||||
FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
|
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|
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You should have received a copy of the GNU General Public License along with
|
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this program. If not, see http://www.gnu.org/licenses/ .
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--------------------------------------------------------------------------------
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For further information and questions please use the web site
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http://scatterweb.mi.fu-berlin.de
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and the mailinglist (subscription via web site)
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scatterweb@lists.spline.inf.fu-berlin.de
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*******************************************************************************/
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#ifndef CC430_RTC_H
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#define CC430_RTC_H
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#include <rtc.h>
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#include <time.h>
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/**
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* @defgroup cc430_rtc CC430 Real Time Clock
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* @ingroup cc430
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*/
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/**
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* @file cc430-rtc.h
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* @brief CC430 Real Time Clock
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*
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* @author Freie Universität Berlin, Computer Systems & Telematics, µkleos
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* @version $Revision $
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*/
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/**
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* @brief Mask for RTC alarms
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* @see ::rtc_set_alarm
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*/
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typedef enum {
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RTC_ALARM_DISABLED = 0x00, ///< Alarm disables
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RTC_ALARM_MIN = 0x01, ///< Alarm mask for Minutes
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RTC_ALARM_HOUR = 0x02, ///< Alarm mask for Hours
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RTC_ALARM_DOW = 0x04, ///< Alarm mask for Day of Week
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RTC_ALARM_DOM = 0x08 ///< Alarm mask for Day of Month
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} rtc_alarm_mask_t;
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/**
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* @brief Sets the alarm
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* @internal
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* @param[in] localt Alarm time
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* @param[in] mask Sets the registers to poll for the alarm
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*
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* To disable the alarm set mask to RTC_ALARM_DISABLED.
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*
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* @see ::rtc_alarm_mask
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*/
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void rtc_set_alarm(struct tm* localti, rtc_alarm_mask_t mask);
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/**
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* @brief Resets any set alarm
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*/
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void rtc_remove_alarm(void);
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#endif
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@ -0,0 +1,15 @@
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#ifndef MSPGCC_TIME_H
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#define MSPGCC_TIME_H
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struct tm
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{
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int tm_sec; // Seconds after the minute [0, 59]
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int tm_min; // Minutes after the hour [0, 59]
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int tm_hour; // Hours since midnight [0, 23]
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int tm_mday; // Day of the month [1, 31]
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int tm_mon; // Months since January [0, 11]
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int tm_year; // Years since 1900
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int tm_wday; // Days since Sunday [0, 6]
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};
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#endif
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@ -0,0 +1,59 @@
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/******************************************************************************
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Copyright 2010, Freie Universitaet Berlin (FUB). All rights reserved.
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These sources were developed at the Freie Universitaet Berlin, Computer Systems
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and Telematics group (http://cst.mi.fu-berlin.de).
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-------------------------------------------------------------------------------
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This file is part of µkleos.
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||||
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||||
This program is free software: you can redistribute it and/or modify it under
|
||||
the terms of the GNU General Public License as published by the Free Software
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||||
Foundation, either version 3 of the License, or (at your option) any later
|
||||
version.
|
||||
|
||||
FeuerWare is distributed in the hope that it will be useful, but WITHOUT
|
||||
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
|
||||
FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU General Public License along with
|
||||
this program. If not, see http://www.gnu.org/licenses/ .
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||||
--------------------------------------------------------------------------------
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||||
For further information and questions please use the web site
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||||
http://scatterweb.mi.fu-berlin.de
|
||||
and the mailinglist (subscription via web site)
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||||
scatterweb@lists.spline.inf.fu-berlin.de
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||||
*******************************************************************************/
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#ifndef RTC_H
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#define RTC_H
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#include <time.h>
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/**
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* @brief Initializes the RTC for calendar mode
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*/
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void rtc_init(void);
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/**
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* @brief Starts the RTC
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*/
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void rtc_enable(void);
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/**
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* @brief Stops the RTC
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*/
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void rtc_disable(void);
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/**
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* @brief Sets the current time in broken down format directly from to RTC
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* @param[in] localt Pointer to structure with time to set
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*/
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void rtc_set_localtime(struct tm* localt);
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/**
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* @brief Returns the current time in broken down format directly from the RTC
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* @param[out] localt Pointer to structure to receive time
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*/
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void rtc_get_localtime(struct tm* localt);
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#endif
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