PseudoRTC.cpp

00001 /* Copyright (c) 2014 Shigenori Inoue, MIT License
00002  *
00003  * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
00004  * and associated documentation files (the "Software"), to deal in the Software without restriction,
00005  * including without limitation the rights to use, copy, modify, merge, publish, distribute,
00006  * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
00007  * furnished to do so, subject to the following conditions:
00008  *
00009  * The above copyright notice and this permission notice shall be included in all copies or
00010  * substantial portions of the Software.
00011  *
00012  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
00013  * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
00014  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
00015  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
00016  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
00017  */
00018 
00019 #include "PseudoRTC.h"
00020 
00021 PseudoRTC::PseudoRTC(void)
00022 {
00023     year = 0;
00024     month = 1;
00025     day = 1;
00026     hour = 1;
00027     minute = 0;
00028     second = 0;
00029     unixtime = 0;
00030     t.attach(this, &PseudoRTC::tictoc, 1);
00031 }
00032 
00033 PseudoRTC::~PseudoRTC(void) {}
00034 
00035 
00036 void PseudoRTC::setTime(int y, int mo, int d, int h, int mi, int s)
00037 {
00038     /* Check the validity */
00039     if (month < 13 && day < 32 && hour < 24 && minute < 60 && second < 60)
00040     {
00041         year = y;
00042         month = mo;
00043         day = d;
00044         hour = h;
00045         minute = mi;
00046         second = s;
00047         unixtime=toUnixTime();
00048     }
00049 }
00050 
00051 void PseudoRTC::set_time(time_t thetime)
00052 {
00053     unixtime=thetime;
00054 
00055     struct tm *ptm;
00056     ptm = localtime (&unixtime);
00057 
00058     second=ptm->tm_sec;
00059     minute=ptm->tm_min;
00060     hour=ptm->tm_hour;
00061     day=ptm->tm_mday;
00062     month=ptm->tm_mon+1;
00063     year=ptm->tm_year+1900;
00064 }
00065 
00066 time_t PseudoRTC::time(time_t* timer=NULL)
00067 {
00068     if(timer!=NULL)
00069         *timer=unixtime;
00070     return(unixtime);
00071 }
00072 
00073 time_t PseudoRTC::addSeconds(int nSec)
00074 {   // add (or substract) some seconds to the rtc to adjust time as needed
00075     this->set_time(unixtime+nSec);
00076     return(unixtime);
00077 } 
00078 
00079 int PseudoRTC::getYear(void)
00080 {
00081     return year;
00082 }
00083 
00084 int PseudoRTC::getMonth(void)
00085 {
00086     return month;
00087 }
00088 
00089 int PseudoRTC::getDay(void)
00090 {
00091     return day;
00092 }
00093 
00094 int PseudoRTC::getHour(void)
00095 {
00096     return hour;
00097 }
00098 
00099 int PseudoRTC::getMinute(void)
00100 {
00101     return minute;
00102 }
00103 
00104 int PseudoRTC::getSecond(void)
00105 {
00106     return second;
00107 }
00108 
00109 /****** private methods *******/
00110 time_t PseudoRTC::toUnixTime(void)
00111 {
00112     struct tm tms;
00113     /*
00114         tm_sec  int seconds after the minute    0-61*
00115         tm_min  int minutes after the hour  0-59
00116         tm_hour int hours since midnight    0-23
00117         tm_mday int day of the month    1-31
00118         tm_mon  int months since January    0-11
00119         tm_year int years since 1900    
00120         tm_wday int days since Sunday   0-6
00121         tm_yday int days since January 1    0-365
00122         tm_isdst    int Daylight Saving Time flag   
00123     */
00124     tms.tm_sec=second;
00125     tms.tm_min=minute;
00126     tms.tm_hour=hour;
00127     tms.tm_mday=day;
00128     tms.tm_mon=month-1;
00129     tms.tm_year=year-1900;
00130     return(mktime(&tms));
00131 }
00132 
00133 void PseudoRTC::tictoc(void)
00134 {
00135     unixtime++;
00136     this->set_time(unixtime);   // update second, minute, hour, etc. member variables
00137 
00138 /* old code    
00139     
00140     if(second < 59) {
00141         second++;
00142     } else {
00143         second = 0;
00144         minute++;
00145     }
00146     if(minute > 59) {
00147         minute = 0;
00148         hour++;
00149     }
00150     if(hour > 23) {
00151         hour = 0;
00152         day++;
00153     }
00154     if(day > 30 && (month == 1 || month == 3 || month == 5 || month == 7 || month == 8 || month == 10 || month == 12)) {
00155         day = 1;
00156         month++;
00157     }
00158     if(day > 29 && (month == 4 || month == 6 || month == 9 || month == 11)) {
00159         day = 1;
00160         month++;
00161     }
00162     if(day > 27 && month == 2) {
00163         day = 1;
00164         month++;
00165     }
00166     if(month > 12) {
00167         year++;
00168     }
00169 */
00170 }