/elec/propeller-clock : revision 58

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Viewing changes to src/time.cc

Committer: edam
Date: 2012-02-25 14:54:33 UTC
Revision ID: edam@waxworlds.org-20120225145433-kih8qs45x05cum46

removed Bounce library and updated/fixed new code

files added:
src/drawer.cc

src/drawer.h

src/major_mode.h

src/minor_mode.cc

src/minor_mode.h

src/mode_switcher.cc

src/mode_switcher.h

src/utility

src/utility/Jamfile

src/utility/Makefile

src/utility/README.md

src/utility/StandardCplusplus.h

src/utility/algorithm

src/utility/algorithm.cpp

src/utility/associative_base

src/utility/associative_base.cpp

src/utility/basic_definitions

src/utility/bitset

src/utility/bitset.cpp

src/utility/cassert

src/utility/cctype

src/utility/cerrno

src/utility/cfloat

src/utility/char_traits

src/utility/char_traits.cpp

src/utility/climits

src/utility/clocale

src/utility/cmath

src/utility/complex

src/utility/complex.cpp

src/utility/csetjmp

src/utility/csignal

src/utility/cstdarg

src/utility/cstddef

src/utility/cstdio

src/utility/cstdlib

src/utility/cstring

src/utility/ctime

src/utility/cwchar

src/utility/cwctype

src/utility/del_op.cpp

src/utility/del_opnt.cpp

src/utility/del_opv.cpp

src/utility/del_opvnt.cpp

src/utility/deque

src/utility/deque.cpp

src/utility/eh_alloc.cpp

src/utility/eh_globals.cpp

src/utility/exception

src/utility/exception.cpp

src/utility/fstream

src/utility/fstream.cpp

src/utility/func_exception

src/utility/func_exception.cpp

src/utility/functional

src/utility/iomanip

src/utility/iomanip.cpp

src/utility/ios

src/utility/ios.cpp

src/utility/iosfwd

src/utility/iostream

src/utility/iostream.cpp

src/utility/istream

src/utility/istream.cpp

src/utility/istream_helpers

src/utility/iterator

src/utility/iterator.cpp

src/utility/iterator_base

src/utility/limits

src/utility/limits.cpp

src/utility/list

src/utility/list.cpp

src/utility/locale

src/utility/locale.cpp

src/utility/map

src/utility/map.cpp

src/utility/memory

src/utility/new

src/utility/new_handler.cpp

src/utility/new_op.cpp

src/utility/new_opnt.cpp

src/utility/new_opv.cpp

src/utility/new_opvnt.cpp

src/utility/numeric

src/utility/numeric.cpp

src/utility/ostream

src/utility/ostream.cpp

src/utility/ostream_helpers

src/utility/queue

src/utility/queue.cpp

src/utility/serstream

src/utility/set

src/utility/set.cpp

src/utility/sstream

src/utility/sstream.cpp

src/utility/stack

src/utility/stack.cpp

src/utility/stdexcept

src/utility/stdexcept.cpp

src/utility/streambuf

src/utility/streambuf.cpp

src/utility/string

src/utility/string.cpp

src/utility/string_iostream

src/utility/support

src/utility/support.cpp

src/utility/system_configuration.h

src/utility/type_traits

src/utility/typeinfo

src/utility/typeinfo.cpp

src/utility/uartbuf

src/utility/unwind-cxx.h

src/utility/utility.cpp

src/utility/utility.h

src/utility/valarray

src/utility/valarray.cpp

src/utility/vector

src/utility/vector.cpp

files removed:
src/common.cc

src/common.h

src/digital_clock.cc

src/digital_clock.h

src/settings_mode.cc

src/settings_mode.h

src/text.cc

src/text.h

src/text_renderer.cc

src/text_renderer.h

src/util/PString.cpp

src/util/PString.h

test/rtc-test

test/rtc-test/Makefile

test/rtc-test/rtc-ds1307.ino

test/rtc-test/util

test/rtc-test/util/DS1307.cpp

test/rtc-test/util/DS1307.h

files renamed:
src/analogue_clock.cc => src/analogue_clock_mode.cc

src/analogue_clock.h => src/analogue_clock_mode.h

src/propeller-clock.cc => src/propeller-clock.ino

src/test_pattern.cc => src/test_mode.cc

src/test_pattern.h => src/test_mode.h

files modified:
.bzrignore

arduino.mk

electronics-information

notes

src/Makefile

src/button.cc

src/button.h

src/config.h

src/time.cc

src/time.h

Show diffs side-by-side

added added

removed removed

src/time.cc

#include <Wire.h>

#define YEAR_MAX 2030

#define YEAR_MIN 2010

// year

static int _year;

// month

static int _month;

// day

static int _day;

// hours

static int _hours;

// minutes

static int _minutes;

// seconds

static int _seconds;

// milliseconds at last update

static unsigned long _last_millis = millis();

// milliseconds carries over from last update

static unsigned long _carry = 0;

int Time::get_year()

{

return _year;

}

int Time::get_month()

{

return _month;

}

const char *Time::get_month_name()

{

static const char *months[] = {

"January",

"February",

"March",

"April",

"May",

"June",

"July",

"August",

"September",

"October",

"November",

"December",

};

return months[ _month - 1 ];

}

int Time::get_day()

{

return _day;

}

const char *Time::get_day_suffix()

{

switch( _day )

100

{

101

case 1:

102

case 21:

103

case 31:

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return "st";

105

case 2:

106

case 22:

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return "nd";

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case 3:

109

case 23:

110

return "rd";

111

default:

112

return "th";

113

}

Time &Time::get_instance()

{

static Time time;

return time;

114

}

115

116

132

}

133

134

135

static int days_in_month( int month, int year )

136

{

137

if( month == 2 )

138

return !( year % 4 ) && ( ( year % 100 ) || !( year % 400 ) )? 29 : 28;

139

else if( month == 9 || month == 6 || month == 4 || month == 11 )

140

return 30;

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else

142

return 31;

143

}

144

145

146

static void load_time()

147

{

148

// get the time from the real-time clock

149

int rtc_data[ 7 ];

150

RTC.get( rtc_data, true );

151

_year = rtc_data[ DS1307_YR ];

152

_month = rtc_data[ DS1307_MTH ];

153

_day = rtc_data[ DS1307_DAY ];

154

_hours = rtc_data[ DS1307_HR ];

155

_minutes = rtc_data[ DS1307_MIN ];

156

_seconds = rtc_data[ DS1307_SEC ];

157

158

// make sure some numbers are in range

159

if( _year < YEAR_MIN || _year > YEAR_MAX ) _year = 2010;

160

if( _month < 1 || _month > 12 ) _month = 1;

161

if( _day < 1 || _day > days_in_month( _year, _month ) ) _day = 1;

162

}

163

164

165

void Time::update()

166

{

167

// how many milliseconds have elapsed since we last checked?

// how many milliseonds have elapsed since we last checked?

168

unsigned long millis = ::millis();

169

unsigned long delta = millis - _last_millis + _carry;

170

180

if( _minutes >= 60 ) {

181

_minutes -= 60;

182

_hours++;

183

if( _hours >= 24 ) {

if( _hours >= 24 )

184

_hours -= 24;

185

186

// We *could* manually work out the day here... but we might as

187

// well ask the RTC hardware. We can't do this *all* the time

188

// though, because it isn't fast enough and will actually cause

189

// a minor display glitch.

190

load_time();

191

}

192

}

193

}

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}

195

196

197

void Time::init()

198

{

199

load_time();

200

}

201

202

203

static void save_time()

204

{

205

// set the time on the real-time clock

206

RTC.stop();

207

RTC.set( DS1307_YR, _year );

208

RTC.set( DS1307_MTH, _month );

209

RTC.set( DS1307_DAY, _day );

210

RTC.set( DS1307_HR, _hours );

211

RTC.set( DS1307_MIN, _minutes );

212

RTC.set( DS1307_SEC, _seconds );

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RTC.start();

214

}

215

216

217

void Time::inc_hours()

218

{

219

if( ++_hours >= 24 )

220

_hours = 0;

221

save_time();

222

}

223

224

225

void Time::inc_minutes()

226

{

227

if( ++_minutes >= 60 )

228

_minutes = 0;

229

save_time();

230

}

231

232

233

void Time::reset_seconds()

234

{

235

_seconds = 0;

236

save_time();

237

}

238

239

240

void Time::inc_year()

241

{

242

if( ++_year >= YEAR_MAX )

243

_year = YEAR_MIN;

244

save_time();

245

}

246

247

248

void Time::inc_month()

249

{

250

if( ++_month > 12 )

251

_month = 1;

252

}

253

254

255

void Time::inc_day()

256

{

257

if( ++_day > days_in_month( _month, _year ) )

258

_day = 1;

259

save_time();

260

}

261

Time::Time()

_last_millis( millis() ),

_carry( 0 )

{

// get the time from the real-time clock

int rtc_data[ 7 ];

RTC.get( rtc_data, true );

_hours = rtc_data[ DS1307_HR ];

_minutes = rtc_data[ DS1307_MIN ];

_seconds = rtc_data[ DS1307_SEC ];

}

262