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- Committer: edam
- Date: 2012-02-28 16:50:26 UTC
- Revision ID: edam@waxworlds.org-20120228165026-pwnwo300xx2e2kg6
removed ulibc, fixed button, added text rendering
- files added:
- src/analogue_clock_mode.cc
- files removed:
- src/util/Bounce.cpp
- files modified:
- arduino.mk
added
removed
src/propeller-clock.ino
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******************************************************************************/
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#include <Bounce.h>
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#include <DS1307.h>
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#include <Wire.h>
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#include "config.h"
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#include "display.h"
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#include "button.h"
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#include "time.h"
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#include "switcher_major_mode.h"
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#include "drawer.h"
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//_____________________________________________________________________________
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// data
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static unsigned long segment_step_sub_step = 0;
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static unsigned long segment_step_sub = 0;
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// flag to indicate that the drawing mode should be cycled to the next one
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static bool inc_draw_mode = false;
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// a bounce-managed button
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static Bounce button( 3, 50 );
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// the time
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static int time_hours = 0;
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static int time_minutes = 0;
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static int time_seconds = 0;
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// number of segments in a full display (rotation) is 60 (one per
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// second) times the desired number of sub-divisions of a second
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#define NUM_SECOND_SEGMENTS 5
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#define NUM_SEGMENTS ( 60 * NUM_SECOND_SEGMENTS )
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// clock draw direction
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#define CLOCK_FORWARD 0
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// rotate display (in segments)
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#define CLOCK_SHIFT ( 58 * NUM_SECOND_SEGMENTS - 1 )
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// the button
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static Button button( 3 );
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// major mode
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static int major_mode = 0;
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#define MAX_MAJOR_MODES 5
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// major modes
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static MajorMode *major_modes[ MAX_MAJOR_MODES ] = { 0 };
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//_____________________________________________________________________________
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// code
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// check for button presses
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void checkButtons()
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{
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// update buttons
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button.update();
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// notice button presses
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if( button.risingEdge() )
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inc_draw_mode = true;
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}
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// keep track of time
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void trackTime()
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{
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// previous time and any carried-over milliseconds
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static unsigned long last_time = millis();
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static unsigned long carry = 0;
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// how many milliseonds have elapsed since we last checked?
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unsigned long next_time = millis();
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unsigned long delta = next_time - last_time + carry;
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// update the previous time and carried-over milliseconds
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last_time = next_time;
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carry = delta % 1000;
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// add the seconds that have passed to the time
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time_seconds += delta / 1000;
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while( time_seconds >= 60 ) {
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time_seconds -= 60;
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time_minutes++;
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if( time_minutes >= 60 ) {
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time_minutes -= 60;
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time_hours++;
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if( time_hours >= 24 )
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time_hours -= 24;
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// perform button events
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void doButtonEvents()
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{
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// loop through pending events
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while( int event = button.get_event() )
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{
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switch( event )
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{
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case 1:
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// short press
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major_modes[ major_mode ]->press();
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break;
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case 2:
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// long press
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major_modes[ major_mode ]->long_press();
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break;
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case 3:
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// looooong press (change major mode)
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do {
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if( ++major_mode >= MAX_MAJOR_MODES )
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major_mode = 0;
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} while( major_modes[ major_mode ] == NULL );
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major_modes[ major_mode ]->activate();
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break;
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}
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}
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}
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// turn an led on/off
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void ledOn( int num, bool on )
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{
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if( num < 0 || num > 9 ) return;
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// convert to pin no.
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num += 4;
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// pin 4 needs to be inverted (it's driving a PNP)
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if( num == 4 ) on = !on;
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digitalWrite( num, on? HIGH : LOW );
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}
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// draw a segment for the test display
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void drawNextSegment_test( int segment )
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{
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// turn on outside LEDs
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ledOn( 9, true );
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// display segment number in binary across in the inside LEDs,
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// with the LED on pin 12 showing the least-significant bit
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for( int a = 0; a < 9; a++ )
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ledOn( 8 - a, ( segment >> a ) & 1 );
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}
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// draw a segment for the time display
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void drawNextSegment_time( int segment )
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{
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int second = segment / NUM_SECOND_SEGMENTS;
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int second_segment = segment % NUM_SECOND_SEGMENTS;
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// what needs to be drawn?
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bool draw_tick = ( !second_segment && second % 5 == 0 && second ) ||
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( second == 0 && second_segment == 1 ) ||
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( second == 59 && second_segment == NUM_SECOND_SEGMENTS - 1 );
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bool draw_second = !second_segment && second == time_seconds;
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bool draw_minute = !second_segment && second == time_minutes;
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bool draw_hour = segment == time_hours * 5 * NUM_SECOND_SEGMENTS +
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( 5 * NUM_SECOND_SEGMENTS * time_minutes / 60 );
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// set the LEDs
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ledOn( 9, true );
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ledOn( 8, draw_tick || draw_second );
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for( int a = 6; a <= 7; a++ )
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ledOn( a, draw_minute || draw_second );
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for( int a = 0; a <= 5; a++ )
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ledOn( a, draw_minute || draw_second || draw_hour );
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}
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// draw a display segment
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void drawNextSegment( bool reset )
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{
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static int draw_mode = 0;
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// keep track of segment
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#if CLOCK_FORWARD
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static int segment = ( NUM_SEGMENTS - CLOCK_SHIFT ) % NUM_SEGMENTS;
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if( reset ) segment = NUM_SEGMENTS - 1 - CLOCK_SHIFT;
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#endif
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// handle mode switch requests
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if( reset && inc_draw_mode ) {
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inc_draw_mode = false;
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draw_mode++;
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if( draw_mode >= 2 )
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draw_mode = 0;
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}
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// draw the segment
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switch( draw_mode ) {
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case 0: drawNextSegment_test( segment ); break;
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case 1: drawNextSegment_time( segment ); break;
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}
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// draw
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Drawer &drawer = major_modes[ major_mode ]->get_drawer();
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if( reset ) drawer.draw_reset();
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drawer.draw( segment );
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#if CLOCK_FORWARD
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if( ++segment >= NUM_SEGMENTS ) segment = 0;
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// wait until it is time to draw the next segment or a new pulse has
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// occurred
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void waitTillNextSegment( bool reset )
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void waitTillEndOfSegment( bool reset )
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{
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static unsigned long end_time = 0;
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// set up mode-switch button on pin 3
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pinMode( 3, INPUT );
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digitalWrite( 3, HIGH );
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// get the time from the real-time clock
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int rtc_data[ 7 ];
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RTC.get( rtc_data, true );
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time_hours = rtc_data[ DS1307_HR ];
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time_minutes = rtc_data[ DS1307_MIN ];
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time_seconds = rtc_data[ DS1307_SEC ];
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// serial comms
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Serial.begin( 9600 );
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static int event_times[] = { 5, 1000, 4000, 0 };
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button.set_event_times( event_times );
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// set up major modes
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static SwitcherMajorMode switcher_major_mode;
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int mode = 0;
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major_modes[ mode++ ] = &switcher_major_mode;
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major_modes[ 0 ]->activate();
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}
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// if there has been a new pulse, we'll be resetting the display
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bool reset = new_pulse_at? true : false;
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// update button
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button.update();
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// only do this stuff at the start of a display cycle, to ensure
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// that no state changes mid-display
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if( reset )
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{
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// check buttons
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checkButtons();
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// calculate segment times
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calculateSegmentTimes();
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// keep track of time
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trackTime();
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Time &time = Time::get_instance();
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time.update();
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// perform button events
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doButtonEvents();
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}
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// draw this segment
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drawNextSegment( reset );
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// do we need to recalculate segment times?
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if( reset )
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calculateSegmentTimes();
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// wait till it's time to draw the next segment
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waitTillNextSegment( reset );
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waitTillEndOfSegment( reset );
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}
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