mirror of
https://github.com/taigrr/arduinolibs
synced 2025-01-18 04:33:12 -08:00
338 lines
8.4 KiB
Plaintext
338 lines
8.4 KiB
Plaintext
/*
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* Copyright (C) 2012 Southern Storm Software, Pty Ltd.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included
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* in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*/
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// include the library code:
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#include <FreetronicsLCD.h>
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#include <Form.h>
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#include <Field.h>
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// Initialize the LCD
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FreetronicsLCD lcd;
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// Special characters for indicators.
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#define IND_BATTERY_EMPTY 0
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#define IND_BATTERY_20PCT 1
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#define IND_BATTERY_40PCT 2
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#define IND_BATTERY_60PCT 3
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#define IND_BATTERY_80PCT 4
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#define IND_BATTERY_FULL 5
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// Specialized time/date display field for the front screen of the clock.
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class FrontScreenField : public Field
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{
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public:
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explicit FrontScreenField(Form &form);
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~FrontScreenField();
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void enterField(bool reverse);
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int day() const { return _day; }
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int month() const { return _month; }
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int year() const { return _year; }
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void setDate(int day, int month, int year);
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unsigned long time() const { return _time; }
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void setTime(unsigned long time);
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int batteryStatus() const { return _batteryStatus; }
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void setBatteryStatus(int batteryStatus);
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private:
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int _day, _month, _year;
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unsigned long _time;
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int _batteryStatus;
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int _batteryBars;
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void updateDate();
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void updateTime();
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void updateBatteryStatus();
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};
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FrontScreenField::FrontScreenField(Form &form)
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: Field(form, "")
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, _day(1), _month(1), _year(2012)
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, _time(9 * 60 * 60)
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, _batteryStatus(100)
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, _batteryBars(IND_BATTERY_FULL)
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{
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}
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FrontScreenField::~FrontScreenField()
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{
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}
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void FrontScreenField::enterField(bool reverse)
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{
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updateDate();
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updateBatteryStatus();
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updateTime();
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}
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const char *months[] = {
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" Jan ", " Feb ", " Mar ", " Apr ", " May ", " Jun ",
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" Jul ", " Aug ", " Sep ", " Oct ", " Nov ", " Dec "
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};
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uint8_t monthLengths[] = {
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31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31
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};
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inline bool isLeapYear(int year)
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{
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if ((year % 100) == 0)
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return (year % 400) == 0;
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else
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return (year % 4) == 0;
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}
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void FrontScreenField::setDate(int day, int month, int year)
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{
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if (day != _day || month != _month || year != _year) {
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if (day < 1) {
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// Rolled back into the previous month.
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if (month == 1)
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month = 12;
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else
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--month;
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if (month == 2 && isLeapYear(year))
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day = 29 + day;
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else
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day = monthLengths[month - 1] + day;
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} if (month == 2 && isLeapYear(year)) {
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if (day > 29) {
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// Rolled forward from Feb into Mar in a leap year.
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month = 3;
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day -= 29;
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}
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} else if (day > monthLengths[month - 1]) {
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// Rolled forward into the next month.
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day -= monthLengths[month - 1];
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if (month == 12)
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month = 1;
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else
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++month;
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}
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_day = day;
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_month = month;
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_year = year;
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if (isCurrent())
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updateDate();
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}
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}
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void FrontScreenField::setTime(unsigned long time)
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{
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if (time != _time) {
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_time = time;
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if (isCurrent())
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updateTime();
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}
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}
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void FrontScreenField::setBatteryStatus(int batteryStatus)
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{
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_batteryStatus = batteryStatus;
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int ind;
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if (batteryStatus >= 85)
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ind = IND_BATTERY_FULL;
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else if (batteryStatus >= 75)
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ind = IND_BATTERY_80PCT;
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else if (batteryStatus >= 55)
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ind = IND_BATTERY_60PCT;
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else if (batteryStatus >= 35)
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ind = IND_BATTERY_40PCT;
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else if (batteryStatus >= 15)
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ind = IND_BATTERY_20PCT;
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else
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ind = IND_BATTERY_EMPTY;
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if (ind != _batteryBars) {
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_batteryBars = ind;
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updateBatteryStatus();
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}
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}
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void FrontScreenField::updateDate()
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{
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lcd()->setCursor(0, 0);
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if (_day < 10) {
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lcd()->write('0' + _day);
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} else {
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lcd()->write('0' + _day / 10);
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lcd()->write('0' + _day % 10);
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}
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lcd()->print(months[_month - 1]);
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lcd()->print(_year);
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lcd()->write(' ');
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}
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void FrontScreenField::updateTime()
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{
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lcd()->setCursor(0, 1);
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int hour = (int)(_time / (60 * 60));
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int minute = ((int)(_time / 60)) % 60;
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int second = (int)(_time % 60);
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bool pm;
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if (hour == 0 || hour == 12) {
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lcd()->write('1');
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lcd()->write('2');
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pm = (hour == 12);
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} else if (hour < 12) {
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lcd()->write('0' + hour / 10);
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lcd()->write('0' + hour % 10);
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pm = false;
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} else {
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hour -= 12;
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lcd()->write('0' + hour / 10);
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lcd()->write('0' + hour % 10);
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pm = true;
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}
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lcd()->write(':');
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lcd()->write('0' + minute / 10);
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lcd()->write('0' + minute % 10);
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lcd()->write(':');
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lcd()->write('0' + second / 10);
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lcd()->write('0' + second % 10);
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lcd()->print(pm ? " PM" : " AM");
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}
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void FrontScreenField::updateBatteryStatus()
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{
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lcd()->setCursor(15, 0);
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lcd()->write(_batteryBars);
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}
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// Create the main form and its fields.
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Form mainForm(lcd);
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FrontScreenField frontScreen(mainForm);
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#define STATUS_LED 13
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#define MILLIS_PER_DAY 86400000UL
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#define MILLIS_PER_SECOND 1000UL
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#define MILLIS_PER_HOUR 3600000UL
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unsigned long midnightTime;
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byte batteryEmpty[8] = {
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B01110,
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B10001,
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B10001,
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B10001,
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B10001,
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B10001,
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B11111,
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B00000
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};
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byte battery20Pct[8] = {
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B01110,
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B10001,
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B10001,
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B10001,
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B10001,
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B11111,
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B11111,
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B00000
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};
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byte battery40Pct[8] = {
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B01110,
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B10001,
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B10001,
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B10001,
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B11111,
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B11111,
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B11111,
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B00000
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};
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byte battery60Pct[8] = {
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B01110,
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B10001,
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B10001,
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B11111,
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B11111,
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B11111,
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B11111,
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B00000
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};
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byte battery80Pct[8] = {
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B01110,
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B10001,
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B11111,
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B11111,
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B11111,
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B11111,
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B11111,
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B00000
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};
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byte batteryFull[8] = {
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B01110,
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B11111,
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B11111,
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B11111,
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B11111,
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B11111,
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B11111,
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B00000
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};
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void setup() {
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// Turn off the status LED. Don't need it.
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pinMode(STATUS_LED, OUTPUT);
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digitalWrite(STATUS_LED, LOW);
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// We need some special characters for battery status and other indicators.
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lcd.createChar(IND_BATTERY_EMPTY, batteryEmpty);
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lcd.createChar(IND_BATTERY_20PCT, battery20Pct);
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lcd.createChar(IND_BATTERY_40PCT, battery40Pct);
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lcd.createChar(IND_BATTERY_60PCT, battery60Pct);
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lcd.createChar(IND_BATTERY_80PCT, battery80Pct);
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lcd.createChar(IND_BATTERY_FULL, batteryFull);
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//lcd.enableScreenSaver();
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// At startup, make "now" be 9am. TODO: Read from an RTC chip instead.
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midnightTime = millis() - MILLIS_PER_HOUR * 9;
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// Show the main form for the first time.
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mainForm.show();
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}
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void loop() {
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// Update the number of seconds since the last midnight event.
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unsigned long sinceMidnight = millis() - midnightTime;
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if (sinceMidnight >= MILLIS_PER_DAY) {
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// We have overflowed into the next day. Readjust midnight.
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midnightTime += MILLIS_PER_DAY;
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sinceMidnight -= MILLIS_PER_DAY;
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// Increment the date using the rollover logic.
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frontScreen.setDate(frontScreen.day() + 1,
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frontScreen.month(),
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frontScreen.year());
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}
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frontScreen.setTime(sinceMidnight / MILLIS_PER_SECOND);
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// Dispatch button events to the main form.
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int event = lcd.getButton();
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if (mainForm.dispatch(event) == FORM_CHANGED) {
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// TODO
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}
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}
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