/elec/propeller-clock : revision 67

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Viewing changes to src/propeller-clock.cc

Committer: Tim Marston
Date: 2012-03-10 12:31:16 UTC
Revision ID: tim@ed.am-20120310123116-l348p5btgecmdj1q

added realtime clock test

files added:
src/common.cc

src/common.h

src/digital_clock.cc

src/digital_clock.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 removed:
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 renamed:
src/analogue_clock_mode.cc => src/analogue_clock.cc

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

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

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

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

files modified:
.bzrignore

arduino.mk

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/propeller-clock.cc

******************************************************************************/

#include "config.h"

#include "button.h"

#include "config.h"

#include "time.h"

#include "mode_switcher.h"

#include "drawer.h"

#include "Arduino.h"

#include "analogue_clock.h"

#include "digital_clock.h"

#include "test_pattern.h"

//_____________________________________________________________________________

// data

// when non-zero, the time (in microseconds) of a new fan pulse that

// has just occurred, which means that segment drawing needs to be

// restarted

static unsigned long new_pulse_at = 0;

static unsigned long _new_pulse_at = 0;

// the time (in microseconds) when the last fan pulse occurred

static unsigned long last_pulse_at = 0;

static unsigned long _last_pulse_at = 0;

// duration (in microseconds) that a segment should be displayed

static unsigned long segment_step = 0;

static unsigned long _segment_step = 0;

100

// remainder after divisor and a tally of the remainders for each segment

100

static unsigned long segment_step_sub_step = 0;

101

static unsigned long segment_step_sub = 0;

101

static unsigned long _segment_step_sub_step = 0;

102

static unsigned long _segment_step_sub = 0;

102

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// the button

104

static Button button( 3 );

105

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// major mode

107

static int major_mode = 0;

108

109

// major modes

110

static std::vector< MajorMode * > major_modes;

105

static Button _button( 3 );

106

107

// modes

108

static int _major_mode = 0;

109

static int _minor_mode = 0;

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#define MAIN_MODE_IDX 0

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#define ANALOGUE_CLOCK_IDX 0

114

#define DIGITAL_CLOCK_IDX 1

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#define TEST_PATTERN_IDX 2

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//_____________________________________________________________________________

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// code

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// check for button presses

117

void checkButtons()

118

{

119

// update buttons

120

int event = button.update();

121

122

// handle any events

123

switch( event ) {

124

case 1:

125

major_modes[ major_mode ]->short_press();

126

break;

127

case 2:

128

major_modes[ major_mode ]->long_press();

129

break;

130

case 3:

131

if( ++major_mode >= major_modes.size() )

132

major_mode = 0;

133

major_modes[ major_mode ]->activate();

134

break;

121

// activate the current minor mode

122

void activate_minor_mode()

123

{

124

switch( _minor_mode ) {

125

case DIGITAL_CLOCK_IDX: digital_clock_activate(); break;

126

}

127

}

128

129

// perform button events

130

void do_button_events()

131

{

132

// loop through pending events

133

while( int event = _button.get_event() )

134

{

135

switch( event )

136

{

137

case 1:

138

// short press

139

switch( _major_mode ) {

140

case MAIN_MODE_IDX:

141

switch( _minor_mode ) {

142

case ANALOGUE_CLOCK_IDX: analogue_clock_press(); break;

143

case DIGITAL_CLOCK_IDX: digital_clock_press(); break;

144

}

145

break;

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}

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break;

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case 2:

150

// long press

151

switch( _major_mode ) {

152

case MAIN_MODE_IDX:

153

if( ++_minor_mode >= 3 )

154

_minor_mode = 0;

155

switch( _minor_mode ) {

156

case DIGITAL_CLOCK_IDX: digital_clock_activate(); break;

157

}

158

break;

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}

160

break;

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162

case 3:

163

// looooong press (change major mode)

164

if( ++_major_mode > 0 )

165

_major_mode = 0;

166

switch( _major_mode ) {

167

case MAIN_MODE_IDX: _minor_mode = 0; break;

168

}

169

activate_minor_mode();

170

break;

171

}

135

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}

136

173

}

137

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// draw a display segment

140

void drawNextSegment( bool reset )

177

void draw_next_segment( bool reset )

141

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{

142

179

// keep track of segment

143

180

#if CLOCK_FORWARD

149

186

#endif

150

187

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188

// draw

152

Drawer &drawer = major_modes[ major_mode ]->get_drawer();

153

if( reset ) drawer.draw_reset();

154

drawer.draw( segment );

189

switch( _major_mode ) {

190

case MAIN_MODE_IDX:

191

switch( _minor_mode ) {

192

case ANALOGUE_CLOCK_IDX: analogue_clock_draw( segment ); break;

193

case DIGITAL_CLOCK_IDX: digital_clock_draw( segment ); break;

194

case TEST_PATTERN_IDX: test_pattern_draw( segment ); break;

195

}

196

break;

197

}

155

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#if CLOCK_FORWARD

157

200

if( ++segment >= NUM_SEGMENTS ) segment = 0;

162

205

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206

164

207

// calculate time constants when a new pulse has occurred

165

void calculateSegmentTimes()

208

void calculate_segment_times()

166

209

{

167

210

// check for overflows, and only recalculate times if there isn't

168

211

// one (if there is, we'll just go with the last pulse's times)

169

if( new_pulse_at > last_pulse_at )

212

if( _new_pulse_at > _last_pulse_at )

170

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{

171

214

// new segment stepping times

172

unsigned long delta = new_pulse_at - last_pulse_at;

173

segment_step = delta / NUM_SEGMENTS;

174

segment_step_sub = 0;

175

segment_step_sub_step = delta % NUM_SEGMENTS;

215

unsigned long delta = _new_pulse_at - _last_pulse_at;

216

_segment_step = delta / NUM_SEGMENTS;

217

_segment_step_sub = 0;

218

_segment_step_sub_step = delta % NUM_SEGMENTS;

176

219

}

177

220

178

221

// now we have dealt with this pulse, save the pulse time and

179

222

// clear new_pulse_at, ready for the next pulse

180

last_pulse_at = new_pulse_at;

181

new_pulse_at = 0;

223

_last_pulse_at = _new_pulse_at;

224

_new_pulse_at = 0;

182

225

}

183

226

184

227

185

228

// wait until it is time to draw the next segment or a new pulse has

186

229

// occurred

187

void waitTillNextSegment( bool reset )

230

void wait_till_end_of_segment( bool reset )

188

231

{

189

232

static unsigned long end_time = 0;

190

233

191

234

// handle reset

192

235

if( reset )

193

end_time = last_pulse_at;

236

end_time = _last_pulse_at;

194

237

195

238

// work out the time that this segment should be displayed until

196

end_time += segment_step;

197

segment_step_sub += segment_step_sub_step;

198

if( segment_step_sub >= NUM_SEGMENTS ) {

199

segment_step_sub -= NUM_SEGMENTS;

239

end_time += _segment_step;

240

_segment_step_sub += _segment_step_sub_step;

241

if( _segment_step_sub >= NUM_SEGMENTS ) {

242

_segment_step_sub -= NUM_SEGMENTS;

200

243

end_time++;

201

244

}

202

245

203

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// wait

204

while( micros() < end_time && !new_pulse_at );

247

while( micros() < end_time && !_new_pulse_at );

205

248

}

206

249

207

250

208

251

// ISR to handle the pulses from the fan's tachiometer

209

void fanPulseHandler()

252

void fan_pulse_handler()

210

253

{

211

254

// the fan actually sends two pulses per revolution. These pulses

212

255

// may not be exactly evenly distributed around the rotation, so

217

260

if( !ignore )

218

261

{

219

262

// set a new pulse time

220

new_pulse_at = micros();

263

_new_pulse_at = micros();

221

264

}

222

265

}

223

266

226

269

void setup()

227

270

{

228

271

// set up an interrupt handler on pin 2 to nitice fan pulses

229

attachInterrupt( 0, fanPulseHandler, RISING );

272

attachInterrupt( 0, fan_pulse_handler, RISING );

230

273

digitalWrite( 2, HIGH );

231

274

232

275

// set up output pins (4 to 13) for the led array

236

279

// set up mode-switch button on pin 3

237

280

pinMode( 3, INPUT );

238

281

digitalWrite( 3, HIGH );

239

button.add_event_at( 5, 1 );

240

button.add_event_at( 1000, 2 );

241

button.add_event_at( 4000, 3 );

242

243

// serial comms

244

Serial.begin( 9600 );

245

246

// set up major modes

247

static ModeSwitcher mode_switcher;

248

major_modes.push_back( &mode_switcher );

249

major_modes[ 0 ]->activate();

282

static int event_times[] = { 5, 500, 4000, 0 };

283

_button.set_event_times( event_times );

284

285

// get time from RTC

286

Time::init();

287

288

// activate the minor mode

289

switch( _major_mode ) {

290

case MAIN_MODE_IDX: activate_minor_mode(); break;

291

}

250

292

}

251

293

252

294

254

296

void loop()

255

297

{

256

298

// if there has been a new pulse, we'll be resetting the display

257

bool reset = new_pulse_at? true : false;

299

bool reset = _new_pulse_at? true : false;

300

301

// update button

302

_button.update();

258

303

259

304

// only do this stuff at the start of a display cycle, to ensure

260

305

// that no state changes mid-display

261

306

if( reset )

262

307

{

263

// check buttons

264

checkButtons();

308

// calculate segment times

309

calculate_segment_times();

265

310

266

311

// keep track of time

267

Time &time = Time::get_instance();

268

time.update();

312

Time::update();

313

314

// perform button events

315

do_button_events();

269

316

}

270

317

271

318

// draw this segment

272

drawNextSegment( reset );

273

274

// do we need to recalculate segment times?

275

if( reset )

276

calculateSegmentTimes();

319

draw_next_segment( reset );

277

320

278

321

// wait till it's time to draw the next segment

279

waitTillNextSegment( reset );

322

wait_till_end_of_segment( reset );

280

323

}