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Dependencies:   SX1276Lib mbed

Fork of SX1276_GPS by CaryCoders

Modules/DateModule.cpp@16:9e1edf28393f, 2014-08-12 (annotated)

Committer:
vtraveller
Date:
Tue Aug 12 04:28:23 2014 +0000
Revision:
16:9e1edf28393f
Parent:
15:d1eaddb363be
Child:
25:24654d08a99a
Make date and time checks more efficient.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
vtraveller 10:3fcab08717fc 1 #include "mbed.h"
vtraveller 10:3fcab08717fc 2 #include "DateModule.h"
vtraveller 10:3fcab08717fc 3 #include "time_helper.h"
vtraveller 10:3fcab08717fc 4
vtraveller 10:3fcab08717fc 5 const char * k_aWeekDays[] = { "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat" };
vtraveller 10:3fcab08717fc 6
vtraveller 10:3fcab08717fc 7 DateModule::DateModule
vtraveller 10:3fcab08717fc 8 (
vtraveller 13:9641bc42db92 9 Serial & in_cDisplay,
vtraveller 13:9641bc42db92 10 RTclock & in_cRTclock
vtraveller 10:3fcab08717fc 11 )
vtraveller 13:9641bc42db92 12 : Module(in_cDisplay)
vtraveller 10:3fcab08717fc 13 , m_cRTclock(in_cRTclock)
vtraveller 10:3fcab08717fc 14 {
vtraveller 15:d1eaddb363be 15 ::memset(&m_sLastTM,0,sizeof(m_sLastTM));
vtraveller 10:3fcab08717fc 16 }
vtraveller 10:3fcab08717fc 17
vtraveller 10:3fcab08717fc 18 DateModule::~DateModule()
vtraveller 10:3fcab08717fc 19 {
vtraveller 10:3fcab08717fc 20 }
vtraveller 11:96146db429de 21
vtraveller 11:96146db429de 22 void DateModule::change
vtraveller 11:96146db429de 23 (
vtraveller 13:9641bc42db92 24 size_t in_nIndex,
vtraveller 11:96146db429de 25 bool in_bUp
vtraveller 11:96146db429de 26 )
vtraveller 11:96146db429de 27 {
vtraveller 11:96146db429de 28 tm sTM;
vtraveller 10:3fcab08717fc 29
vtraveller 11:96146db429de 30 // to get the current time information
vtraveller 11:96146db429de 31 if (!m_cRTclock.getTime(sTM)) GetTime(sTM);
vtraveller 11:96146db429de 32 bool bTwelveHour = m_cRTclock.isTwelveHour();
vtraveller 12:0fea8ebe6c1a 33
vtraveller 12:0fea8ebe6c1a 34 enum ETime
vtraveller 12:0fea8ebe6c1a 35 {
vtraveller 12:0fea8ebe6c1a 36 eWeekDay = 0,
vtraveller 12:0fea8ebe6c1a 37 eDayTen,
vtraveller 12:0fea8ebe6c1a 38 eDaySingle,
vtraveller 12:0fea8ebe6c1a 39 eMonthTen,
vtraveller 12:0fea8ebe6c1a 40 eMonthSingle,
vtraveller 12:0fea8ebe6c1a 41 eYearTen,
vtraveller 12:0fea8ebe6c1a 42 eYearSingle,
vtraveller 12:0fea8ebe6c1a 43 };
vtraveller 11:96146db429de 44
vtraveller 13:9641bc42db92 45 switch (in_nIndex)
vtraveller 11:96146db429de 46 {
vtraveller 12:0fea8ebe6c1a 47 case eWeekDay: sTM.tm_wday += (in_bUp ? 1 : -1); break;
vtraveller 12:0fea8ebe6c1a 48 case eDayTen: sTM.tm_mday += (in_bUp ? 1 : -1) * 10; break;
vtraveller 12:0fea8ebe6c1a 49 case eDaySingle: sTM.tm_mday += (in_bUp ? 1 : -1); break;
vtraveller 12:0fea8ebe6c1a 50 case eMonthTen: sTM.tm_mon += (in_bUp ? 1 : -1) * 10; break;
vtraveller 12:0fea8ebe6c1a 51 case eMonthSingle: sTM.tm_mon += (in_bUp ? 1 : -1); break;
vtraveller 12:0fea8ebe6c1a 52 case eYearTen: sTM.tm_year += (in_bUp ? 1 : -1) * 10; break;
vtraveller 12:0fea8ebe6c1a 53 case eYearSingle: sTM.tm_year += (in_bUp ? 1 : -1); break;
vtraveller 11:96146db429de 54 }
vtraveller 12:0fea8ebe6c1a 55
vtraveller 12:0fea8ebe6c1a 56 if (sTM.tm_wday < 0) sTM.tm_wday = 0;
vtraveller 12:0fea8ebe6c1a 57 if (sTM.tm_wday > 6) sTM.tm_wday = 6;
vtraveller 12:0fea8ebe6c1a 58 if (sTM.tm_mday < 1) sTM.tm_mday = 1;
vtraveller 12:0fea8ebe6c1a 59 if (sTM.tm_mday > 31) sTM.tm_mday = 31;
vtraveller 12:0fea8ebe6c1a 60 if (sTM.tm_mon < 0) sTM.tm_mon = 0;
vtraveller 12:0fea8ebe6c1a 61 if (sTM.tm_mon > 11) sTM.tm_mon = 11;
vtraveller 12:0fea8ebe6c1a 62 if (sTM.tm_year < 2000 - 1900) sTM.tm_year = 2000 - 1900;
vtraveller 12:0fea8ebe6c1a 63 if (sTM.tm_year > 2099 - 1900) sTM.tm_year = 2099 - 1900;
vtraveller 11:96146db429de 64
vtraveller 12:0fea8ebe6c1a 65 if (m_cRTclock.setTime(sTM,bTwelveHour))
vtraveller 12:0fea8ebe6c1a 66 {
vtraveller 12:0fea8ebe6c1a 67 m_cRTclock.mapTime();
vtraveller 12:0fea8ebe6c1a 68 }
vtraveller 12:0fea8ebe6c1a 69 else
vtraveller 12:0fea8ebe6c1a 70 {
vtraveller 12:0fea8ebe6c1a 71 SetTime(sTM);
vtraveller 12:0fea8ebe6c1a 72 }
vtraveller 11:96146db429de 73 }
vtraveller 11:96146db429de 74
vtraveller 13:9641bc42db92 75 int DateModule::getCursorOffset(size_t & inout_nIndex)
vtraveller 10:3fcab08717fc 76 {
vtraveller 12:0fea8ebe6c1a 77 const int k_aCursor[] = { 2, 4, 5, 7, 8, 12, 13 };
vtraveller 10:3fcab08717fc 78
vtraveller 13:9641bc42db92 79 if ((int)inout_nIndex < 0) inout_nIndex = 0;
vtraveller 13:9641bc42db92 80 if (inout_nIndex >= _countof(k_aCursor)) inout_nIndex = _countof(k_aCursor) - 1;
vtraveller 10:3fcab08717fc 81
vtraveller 13:9641bc42db92 82 return k_aCursor[inout_nIndex];
vtraveller 10:3fcab08717fc 83 }
vtraveller 10:3fcab08717fc 84
vtraveller 15:d1eaddb363be 85 void DateModule::show(bool in_bRefresh)
vtraveller 10:3fcab08717fc 86 {
vtraveller 10:3fcab08717fc 87 tm sTM;
vtraveller 10:3fcab08717fc 88
vtraveller 10:3fcab08717fc 89 // to get the current time information
vtraveller 10:3fcab08717fc 90 if (!m_cRTclock.getTime(sTM)) GetTime(sTM);
vtraveller 15:d1eaddb363be 91
vtraveller 15:d1eaddb363be 92 // if refreshing - only update if there's a change
vtraveller 15:d1eaddb363be 93 if (in_bRefresh)
vtraveller 16:9e1edf28393f 94 {
vtraveller 16:9e1edf28393f 95 // Check for change based on day (rest is irrelevant)
vtraveller 16:9e1edf28393f 96 if (sTM.tm_mday == m_sLastTM.tm_mday) return;
vtraveller 15:d1eaddb363be 97 }
vtraveller 15:d1eaddb363be 98
vtraveller 15:d1eaddb363be 99 // Ensure internal struct has new TM data
vtraveller 15:d1eaddb363be 100 ::memcpy(&m_sLastTM,&sTM,sizeof(m_sLastTM));
vtraveller 15:d1eaddb363be 101 m_cDisplay.printf ("%s %02i/%02i/%04i ", k_aWeekDays[sTM.tm_wday], sTM.tm_mday, sTM.tm_mon + 1, 1900 + sTM.tm_year);
vtraveller 10:3fcab08717fc 102 }