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- Committer: Tim Marston
- Date: 2012-05-17 22:49:36 UTC
- Revision ID: tim@ed.am-20120517224936-0wgyem932dlq5bs4
various tweaks, a (failed) attempt to fix text reset bug and added TODO
- files added:
- src/TODO
- src/modes
- test/rtc-test
- test/rtc-test/Makefile
- test/rtc-test/util
- files renamed:
- src/analogue_clock.cc => src/modes/analogue_clock.cc
- src/analogue_clock.h => src/modes/analogue_clock.h
- src/digital_clock.cc => src/modes/digital_clock.cc
- src/digital_clock.h => src/modes/digital_clock.h
- src/test_pattern.cc => src/modes/test_pattern.cc
- src/test_pattern.h => src/modes/test_pattern.h
- files modified:
- .bzrignore
added
removed
src/propeller-clock.cc
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* a PC fan is wired up to a 12V power supply
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* the fan's SENSE (tachiometer) pin connected to pin 2 on the
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arduino.
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* the fan's SENSE (tachometer) pin connected to pin 2 on the
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Arduino.
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* the pins 4 to 13 on the arduino should directly drive an LED (the
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* the pins 4 to 13 on the Arduino should directly drive an LED (the
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LED on pin 4 is in the centre of the clock face and the LED on pin
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13 is at the outside.
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* if a longer hand (and a larger clock face) is desired, pin 4 can be
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used to indirectly drive a transistor which in turn drives several
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LEDs that turn on anf off in unison in the centre of the clock.
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LEDs that turn on and off in unison in the centre of the clock.
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* a button should be attached to pin 3 that grounds it when pressed.
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* A DS1307 remote clock is connected via I2C on analog pins 4 and 5.
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* A DS1307 remote clock is connected via I2C on analogue pins 4 and 5.
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Implementation details:
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* the timing of the drawing of the clock face is recalculated with
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every rotation of the propeller.
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* a PC fan actually sends 2 tachiometer pulses per revolution, so the
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* a PC fan actually sends 2 tachometer pulses per revolution, so the
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software skips every other one. This means that the clock may
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appear upside-down if started with the propeller in the wrong
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position. You will need to experiment to dicsover the position that
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position. You will need to experiment to discover the position that
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the propeller must be in when starting the clock.
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Usage instructions:
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#include "button.h"
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#include "time.h"
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#include "Arduino.h"
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#include "analogue_clock.h"
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#include "digital_clock.h"
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#include "test_pattern.h"
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#include "modes/analogue_clock.h"
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#include "modes/digital_clock.h"
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#include "modes/test_pattern.h"
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#include "modes/settings_mode.h"
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#include "modes/info_mode.h"
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#include "text.h"
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#include "text_renderer.h"
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#include "common.h"
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//_____________________________________________________________________________
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// data
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static int _major_mode = 0;
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static int _minor_mode = 0;
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#define SETTINGS_MODE_IDX 1
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#define MAIN_MODE_IDX 0
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#define ANALOGUE_CLOCK_IDX 0
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#define DIGITAL_CLOCK_IDX 1
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#define TEST_PATTERN_IDX 2
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#define INFO_MODE_IDX 2
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#define TEST_PATTERN_IDX 3
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//_____________________________________________________________________________
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// code
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// activate the current minor mode
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void activate_minor_mode()
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{
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// reset text
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Text::reset();
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leds_off();
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// give the mode a chance to init
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switch( _minor_mode ) {
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case ANALOGUE_CLOCK_IDX: analogue_clock_activate(); break;
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case DIGITAL_CLOCK_IDX: digital_clock_activate(); break;
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}
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}
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case INFO_MODE_IDX: info_mode_activate(); break;
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}
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}
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// activate major mode
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void activate_major_mode()
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{
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// reset text
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Text::reset();
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leds_off();
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// reset buttons
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_button.set_press_mode( _major_mode != SETTINGS_MODE_IDX );
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// give the mode a chance to init
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switch( _major_mode ) {
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case MAIN_MODE_IDX: activate_minor_mode(); break;
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case SETTINGS_MODE_IDX: settings_mode_activate(); break;
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}
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}
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// perform button events
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void do_button_events()
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switch( _minor_mode ) {
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case ANALOGUE_CLOCK_IDX: analogue_clock_press(); break;
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case DIGITAL_CLOCK_IDX: digital_clock_press(); break;
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case INFO_MODE_IDX: info_mode_press(); break;
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}
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break;
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case SETTINGS_MODE_IDX: settings_mode_press(); break;
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}
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break;
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// long press
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switch( _major_mode ) {
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case MAIN_MODE_IDX:
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if( ++_minor_mode >= 3 )
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if( ++_minor_mode >= 4 )
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_minor_mode = 0;
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switch( _minor_mode ) {
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case DIGITAL_CLOCK_IDX: digital_clock_activate(); break;
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}
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activate_minor_mode();
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break;
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case SETTINGS_MODE_IDX: settings_mode_long_press(); break;
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}
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break;
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case 3:
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// looooong press (change major mode)
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if( ++_major_mode > 0 )
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if( ++_major_mode > 1 )
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_major_mode = 0;
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switch( _major_mode ) {
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case MAIN_MODE_IDX: _minor_mode = 0; break;
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}
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activate_minor_mode();
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activate_major_mode();
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break;
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}
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}
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if( reset ) segment = NUM_SEGMENTS - 1 - CLOCK_SHIFT;
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#endif
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// reset the text renderer
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TextRenderer::reset_buffer();
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// frame reset
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if( reset ) {
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switch( _major_mode ) {
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case MAIN_MODE_IDX:
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switch( _minor_mode ) {
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case ANALOGUE_CLOCK_IDX: analogue_clock_draw_reset(); break;
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case DIGITAL_CLOCK_IDX: digital_clock_draw_reset(); break;
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case INFO_MODE_IDX: info_mode_draw_reset(); break;
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}
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break;
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case SETTINGS_MODE_IDX: settings_mode_draw_reset(); break;
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}
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// tell the text services we're starting a new frame
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Text::draw_reset();
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}
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// draw
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switch( _major_mode ) {
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case MAIN_MODE_IDX:
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case ANALOGUE_CLOCK_IDX: analogue_clock_draw( segment ); break;
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case DIGITAL_CLOCK_IDX: digital_clock_draw( segment ); break;
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case TEST_PATTERN_IDX: test_pattern_draw( segment ); break;
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case INFO_MODE_IDX: info_mode_draw( segment ); break;
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}
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break;
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case SETTINGS_MODE_IDX: settings_mode_draw( segment ); break;
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}
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Text::post_draw();
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// draw any text that was rendered
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TextRenderer::output_buffer();
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#if CLOCK_FORWARD
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if( ++segment >= NUM_SEGMENTS ) segment = 0;
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}
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// ISR to handle the pulses from the fan's tachiometer
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// ISR to handle the pulses from the fan's tachometer
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void fan_pulse_handler()
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{
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// the fan actually sends two pulses per revolution. These pulses
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// main setup
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void setup()
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{
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// set up an interrupt handler on pin 2 to nitice fan pulses
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// set up an interrupt handler on pin 2 to notice fan pulses
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attachInterrupt( 0, fan_pulse_handler, RISING );
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digitalWrite( 2, HIGH );
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static int event_times[] = { 5, 500, 4000, 0 };
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_button.set_event_times( event_times );
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// initialise RTC
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Time::init();
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// init text renderer
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TextRenderer::init();
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// activate the minor mode
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switch( _major_mode ) {
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case MAIN_MODE_IDX: activate_minor_mode(); break;
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}
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activate_major_mode();
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}
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calculate_segment_times();
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// keep track of time
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Time &time = Time::get_instance();
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time.update();
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Time::update();
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// perform button events
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do_button_events();
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