115
115
#define NUM_SECOND_SEGMENTS 5
116
116
#define NUM_SEGMENTS ( 60 * NUM_SECOND_SEGMENTS )
118
// clock draw direction
119
#define CLOCK_FORWARD 0
121
// rotate display (in segments)
122
#define CLOCK_SHIFT ( 58 * NUM_SECOND_SEGMENTS - 1 )
118
124
//_____________________________________________________________________________
172
178
// pin 4 needs to be inverted (it's driving a PNP)
173
// NOTE: PIN 4 TEMPORARILY DISABLED
174
if( num == 4 ) on = true; //!on
179
if( num == 4 ) on = !on;
176
181
digitalWrite( num, on? HIGH : LOW );
180
185
// draw a segment for the test display
181
void drawNextSegment_test( bool reset )
186
void drawNextSegment_test( int segment )
183
// keep track of segment
184
static unsigned int segment = 0;
185
if( reset ) segment = 0;
188
// turn on inside and outside LEDs
188
// turn on outside LEDs
190
189
ledOn( 9, true );
192
191
// display segment number in binary across in the inside LEDs,
193
192
// with the LED on pin 12 showing the least-significant bit
194
for( int a = 0; a < 8; a++ )
193
for( int a = 0; a < 9; a++ )
195
194
ledOn( 8 - a, ( segment >> a ) & 1 );
199
198
// draw a segment for the time display
200
void drawNextSegment_time( bool reset )
199
void drawNextSegment_time( int segment )
202
static int second = 0;
203
static int segment = 0;
205
// handle display reset
201
int second = segment / NUM_SECOND_SEGMENTS;
202
int second_segment = segment % NUM_SECOND_SEGMENTS;
211
204
// what needs to be drawn?
212
bool draw_tick = !segment && second % 5 == 0;
213
bool draw_second = !segment && second == time_seconds;
214
bool draw_minute = !segment && second == time_minutes;
215
bool draw_hour = !segment && second == time_hours;
205
bool draw_tick = ( !second_segment && second % 5 == 0 && second ) ||
206
( second == 0 && second_segment == 1 ) ||
207
( second == 59 && second_segment == NUM_SECOND_SEGMENTS - 1 );
208
bool draw_second = !second_segment && second == time_seconds;
209
bool draw_minute = !second_segment && second == time_minutes;
210
bool draw_hour = segment == time_hours * 5 * NUM_SECOND_SEGMENTS +
211
( 5 * NUM_SECOND_SEGMENTS * time_minutes / 60 );
218
214
ledOn( 9, true );
219
ledOn( 8, draw_tick || draw_minute );
215
ledOn( 8, draw_tick || draw_second );
220
216
for( int a = 6; a <= 7; a++ )
221
217
ledOn( a, draw_minute || draw_second );
222
218
for( int a = 0; a <= 5; a++ )
223
219
ledOn( a, draw_minute || draw_second || draw_hour );
226
if( ++segment >= NUM_SECOND_SEGMENTS ) {
236
226
static int draw_mode = 0;
228
// keep track of segment
230
static int segment = ( NUM_SEGMENTS - CLOCK_SHIFT ) % NUM_SEGMENTS;
231
if( reset ) segment = ( NUM_SEGMENTS - CLOCK_SHIFT ) % NUM_SEGMENTS;
233
static int segment = NUM_SEGMENTS - 1 - CLOCK_SHIFT;
234
if( reset ) segment = NUM_SEGMENTS - 1 - CLOCK_SHIFT;
238
237
// handle mode switch requests
239
238
if( reset && inc_draw_mode ) {
240
239
inc_draw_mode = false;
246
245
// draw the segment
247
246
switch( draw_mode ) {
248
case 0: drawNextSegment_test( reset ); break;
249
case 1: drawNextSegment_time( reset ); break;
247
case 0: drawNextSegment_test( segment ); break;
248
case 1: drawNextSegment_time( segment ); break;
252
if( ++segment >= NUM_SEGMENTS ) segment = 0;
254
if( --segment < 0 ) segment = NUM_SEGMENTS - 1;