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/*
* analogue_clock.cc
*
* Copyright (C) 2011 Tim Marston <tim@ed.am> and Dan Marston.
*
* This file is part of propeller-clock (hereafter referred to as "this
* program"). See http://ed.am/dev/software/arduino/propeller-clock for more
* information.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published
* by the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "analogue_clock.h"
#include "config.h"
#include "Arduino.h"
#include "time.h"
#include "common.h"
// the segment that the hour hand should be at
static int _hour_segment;
// the segment that the minute hand should be at
static int _minute_segment;
// the segment that the second hand should be at
static int _second_segment;
// the flavour
int _flavour = 0;
void analogue_clock_press()
{
if( ++_flavour >= 2 )
_flavour = 0;
}
void analogue_clock_draw( int segment )
{
bool draw_tick = segment && ( segment % ( NUM_SECOND_SEGMENTS * 5 ) == 0 ||
segment == 1 || segment == NUM_SEGMENTS - 1 );
bool draw_hour = segment == _hour_segment;
bool draw_hour_side = 2 >=
( abs( _hour_segment - segment ) + NUM_SEGMENTS ) % NUM_SEGMENTS;
bool draw_minute = segment == _minute_segment;
bool draw_minute_side = 1 >=
( abs( _minute_segment - segment ) + NUM_SEGMENTS ) % NUM_SEGMENTS;
bool draw_second = segment == _second_segment;
// set the LEDs
led( 9, _flavour == 0 );
led( 8, draw_tick || draw_second );
led( 7, draw_minute || draw_second );
led( 6, draw_minute || draw_minute_side || draw_second );
led( 5, draw_minute || draw_minute_side ||
draw_second || draw_hour );
for( int a = 0; a <= 4; a++ )
led( a, draw_minute || draw_minute_side ||
draw_second || draw_hour || draw_hour_side );
}
void analogue_clock_draw_reset()
{
// calculate hand locations
_hour_segment = ( Time::get_hours() % 12 ) * 5 * NUM_SECOND_SEGMENTS +
( 5 * NUM_SECOND_SEGMENTS * Time::get_minutes() / 60 );
_minute_segment = Time::get_minutes() * NUM_SECOND_SEGMENTS +
( NUM_SECOND_SEGMENTS * Time::get_seconds() / 60 );
_second_segment = Time::get_seconds() * NUM_SECOND_SEGMENTS;
}
void analogue_clock_activate()
{
_flavour = 0;
}
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