Move AlarmClock to the RTC examples directory

libraries/RTC/examples/AlarmClock/AlarmClock.pde

@@ -0,0 +1,105 @@
+/*
+ * Copyright (C) 2012 Southern Storm Software, Pty Ltd.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+// include the library code:
+#include <FreetronicsLCD.h>
+#include <Form.h>
+#include <Field.h>
+#include <SoftI2C.h>
+#include <DS1307RTC.h>
+#include <Melody.h>
+#include "FrontScreen.h"
+
+// I/O pins that are used by this sketch.
+#define BUZZER                  12
+#define SENSE_BATTERY           A1
+#define RTC_DATA                A4
+#define RTC_CLOCK               A5
+#define RTC_ONE_HZ              A3
+
+// Value to adjust for the voltage drop on D2.
+#define VOLTAGE_DROP_ADJUST     70  // 0.7 volts
+
+// Initialize the LCD
+FreetronicsLCD lcd;
+
+// Activate the realtime clock chip.
+SoftI2C bus(RTC_DATA, RTC_CLOCK);
+DS1307RTC rtc(bus, RTC_ONE_HZ);
+
+// Melody to play when the alarm sounds.
+int alarmNotes[] = {NOTE_C6, NOTE_C6, NOTE_C6, NOTE_C6, NOTE_REST};
+byte alarmLengths[] = {8, 8, 8, 8, 2};
+Melody alarmMelody(BUZZER);
+
+uint8_t prevHour = 24;
+
+// Create the main form and its fields.
+Form mainForm(lcd);
+FrontScreenField frontScreen(mainForm);
+
+void setup() {
+    //lcd.enableScreenSaver();
+
+    // Initialize the alarm melody.
+    alarmMelody.setMelody(alarmNotes, alarmLengths, sizeof(alarmLengths));
+    alarmMelody.setLoopDuration(120000UL);
+    //alarmMelody.play();
+
+    // Show the main form for the first time.
+    mainForm.show();
+}
+
+void loop() {
+    // Update the time and date every second based on the 1 Hz RTC output.
+    if (rtc.hasUpdates() || prevHour >= 24) {
+        RTCTime time;
+        rtc.readTime(&time);
+        frontScreen.setTime(time);
+        if (time.hour < prevHour) {
+            // Time has wrapped around, or date update has been forced.
+            RTCDate date;
+            rtc.readDate(&date);
+            frontScreen.setDate(date);
+        }
+        prevHour = time.hour;
+
+        // Update the battery status once a second also.
+        int status = analogRead(SENSE_BATTERY);
+        int voltage = (int)((status * 500L) / 1024L);   // e.g. 2.81V = 281
+        voltage += VOLTAGE_DROP_ADJUST;
+        if (voltage > 500)
+            voltage = 500;
+        frontScreen.setVoltage(voltage);
+    }
+
+    // Dispatch button events to the main form.
+    int event = lcd.getButton();
+    if (mainForm.dispatch(event) == FORM_CHANGED) {
+        prevHour = 24;      // Force an update of the main screen.
+    }
+
+    // If the alarm is playing and a button was pressed, then turn it off.
+    if (event != LCD_BUTTON_NONE)
+        alarmMelody.stop();
+    alarmMelody.run();
+}

libraries/RTC/examples/AlarmClock/FrontScreen.cpp

@@ -0,0 +1,277 @@
+/*
+ * Copyright (C) 2012 Southern Storm Software, Pty Ltd.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+#include "FrontScreen.h"
+#include <WProgram.h>
+
+// Special characters for indicators.
+#define IND_BATTERY_EMPTY       0
+#define IND_BATTERY_20PCT       1
+#define IND_BATTERY_40PCT       2
+#define IND_BATTERY_60PCT       3
+#define IND_BATTERY_80PCT       4
+#define IND_BATTERY_FULL        5
+#define IND_ALARM_ACTIVE1       6
+#define IND_ALARM_ACTIVE2       7
+
+FrontScreenField::FrontScreenField(Form &form)
+    : Field(form, "")
+    , _voltage(360)
+    , _voltageTrunc(36)
+    , _batteryBars(IND_BATTERY_FULL)
+    , _alarmActive(false)
+{
+    _date.day = 1;
+    _date.month = 1;
+    _date.year = 2012;
+    _time.hour = 9;
+    _time.minute = 0;
+    _time.second = 0;
+    registerIndicators();
+}
+
+FrontScreenField::~FrontScreenField()
+{
+}
+
+void FrontScreenField::enterField(bool reverse)
+{
+    updateDate();
+    updateVoltage();
+    updateTime();
+    updateAlarm();
+}
+
+const char *months[] = {
+    " Jan ", " Feb ", " Mar ", " Apr ", " May ", " Jun ",
+    " Jul ", " Aug ", " Sep ", " Oct ", " Nov ", " Dec "
+};
+
+void FrontScreenField::setDate(const RTCDate &date)
+{
+    if (date.day != _date.day || date.month != _date.month ||
+            date.year != _date.year) {
+        _date = date;
+        if (isCurrent())
+            updateDate();
+    }
+}
+
+void FrontScreenField::setTime(const RTCTime &time)
+{
+    if (time.hour != _time.hour || time.minute != _time.minute ||
+            time.second != _time.second) {
+        _time = time;
+        if (isCurrent())
+            updateTime();
+    }
+}
+
+void FrontScreenField::setVoltage(int voltage)
+{
+    // Normal voltage ranges between 2.7 and 3.6.  The power supply
+    // for the clock will no longer function below 2.7 volts.
+    if (_voltage == voltage)
+        return;
+    _voltage = voltage;
+    int ind;
+    if (voltage > 355)
+        ind = IND_BATTERY_FULL;
+    else if (voltage > 345)
+        ind = IND_BATTERY_80PCT;
+    else if (voltage > 325)
+        ind = IND_BATTERY_60PCT;
+    else if (voltage > 305)
+        ind = IND_BATTERY_40PCT;
+    else if (voltage > 285)
+        ind = IND_BATTERY_20PCT;
+    else
+        ind = IND_BATTERY_EMPTY;
+    int trunc = voltage / 10;
+    if (ind != _batteryBars || trunc != _voltageTrunc) {
+        _batteryBars = ind;
+        _voltageTrunc = trunc;
+        updateVoltage();
+    }
+}
+
+void FrontScreenField::setAlarmActive(bool active)
+{
+    if (_alarmActive != active) {
+        _alarmActive = active;
+        if (isCurrent())
+            updateAlarm();
+    }
+}
+
+void FrontScreenField::updateDate()
+{
+    lcd()->setCursor(0, 0);
+    if (_date.day < 10) {
+        lcd()->write('0' + _date.day);
+    } else {
+        lcd()->write('0' + _date.day / 10);
+        lcd()->write('0' + _date.day % 10);
+    }
+    lcd()->print(months[_date.month - 1]);
+    lcd()->print(_date.year);
+    lcd()->write(' ');
+}
+
+void FrontScreenField::updateTime()
+{
+    lcd()->setCursor(0, 1);
+    bool pm;
+    if (_time.hour == 0 || _time.hour == 12) {
+        lcd()->write('1');
+        lcd()->write('2');
+        pm = (_time.hour == 12);
+    } else if (_time.hour < 12) {
+        lcd()->write('0' + _time.hour / 10);
+        lcd()->write('0' + _time.hour % 10);
+        pm = false;
+    } else {
+        int hour = _time.hour - 12;
+        lcd()->write('0' + hour / 10);
+        lcd()->write('0' + hour % 10);
+        pm = true;
+    }
+    lcd()->write(':');
+    lcd()->write('0' + _time.minute / 10);
+    lcd()->write('0' + _time.minute % 10);
+    lcd()->write(':');
+    lcd()->write('0' + _time.second / 10);
+    lcd()->write('0' + _time.second % 10);
+    lcd()->print(pm ? "pm" : "am");
+}
+
+void FrontScreenField::updateVoltage()
+{
+    lcd()->setCursor(15, 0);
+    lcd()->write(_batteryBars);
+
+    lcd()->setCursor(12, 1);
+    lcd()->write('0' + _voltageTrunc / 10);
+    lcd()->write('.');
+    lcd()->write('0' + _voltageTrunc % 10);
+    lcd()->write('v');
+}
+
+void FrontScreenField::updateAlarm()
+{
+    lcd()->setCursor(13, 0);
+    lcd()->write(_alarmActive ? IND_ALARM_ACTIVE1 : ' ');
+    lcd()->write(_alarmActive ? IND_ALARM_ACTIVE2 : ' ');
+}
+
+static uint8_t batteryEmpty[8] = {
+    B01110,
+    B10001,
+    B10001,
+    B10001,
+    B10001,
+    B10001,
+    B11111,
+    B00000
+};
+static uint8_t battery20Pct[8] = {
+    B01110,
+    B10001,
+    B10001,
+    B10001,
+    B10001,
+    B11111,
+    B11111,
+    B00000
+};
+static uint8_t battery40Pct[8] = {
+    B01110,
+    B10001,
+    B10001,
+    B10001,
+    B11111,
+    B11111,
+    B11111,
+    B00000
+};
+static uint8_t battery60Pct[8] = {
+    B01110,
+    B10001,
+    B10001,
+    B11111,
+    B11111,
+    B11111,
+    B11111,
+    B00000
+};
+static uint8_t battery80Pct[8] = {
+    B01110,
+    B10001,
+    B11111,
+    B11111,
+    B11111,
+    B11111,
+    B11111,
+    B00000
+};
+static uint8_t batteryFull[8] = {
+    B01110,
+    B11111,
+    B11111,
+    B11111,
+    B11111,
+    B11111,
+    B11111,
+    B00000
+};
+static uint8_t alarmActive1[8] = {
+    B00100,
+    B01001,
+    B10010,
+    B00000,
+    B10010,
+    B01001,
+    B00100,
+    B00000
+};
+static uint8_t alarmActive2[8] = {
+    B11000,
+    B10100,
+    B10011,
+    B10011,
+    B10011,
+    B10100,
+    B11000,
+    B00000
+};
+
+void FrontScreenField::registerIndicators()
+{
+    lcd()->createChar(IND_BATTERY_EMPTY, batteryEmpty);
+    lcd()->createChar(IND_BATTERY_20PCT, battery20Pct);
+    lcd()->createChar(IND_BATTERY_40PCT, battery40Pct);
+    lcd()->createChar(IND_BATTERY_60PCT, battery60Pct);
+    lcd()->createChar(IND_BATTERY_80PCT, battery80Pct);
+    lcd()->createChar(IND_BATTERY_FULL,  batteryFull);
+    lcd()->createChar(IND_ALARM_ACTIVE1, alarmActive1);
+    lcd()->createChar(IND_ALARM_ACTIVE2, alarmActive2);
+}

libraries/RTC/examples/AlarmClock/FrontScreen.h

@@ -0,0 +1,65 @@
+/*
+ * Copyright (C) 2012 Southern Storm Software, Pty Ltd.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef FrontScreen_h
+#define FrontScreen_h
+
+#include <Field.h>
+#include <RTC.h>
+
+class FrontScreenField : public Field
+{
+public:
+    explicit FrontScreenField(Form &form);
+    ~FrontScreenField();
+
+    void enterField(bool reverse);
+
+    RTCDate date() const { return _date; }
+    void setDate(const RTCDate &date);
+
+    RTCTime time() const { return _time; }
+    void setTime(const RTCTime &time);
+
+    int voltage() const { return _voltage; }
+    void setVoltage(int voltage);
+
+    bool isAlarmActive() const { return _alarmActive; }
+    void setAlarmActive(bool active);
+
+private:
+    RTCDate _date;
+    RTCTime _time;
+    int _voltage;
+    int _voltageTrunc;
+    int _batteryBars;
+    bool _alarmActive;
+
+    void updateDate();
+    void updateTime();
+    void updateVoltage();
+    void updateAlarm();
+
+    void registerIndicators();
+};
+
+#endif

libraries/RTC/examples/AlarmClock/alarm_circuit.fig

@@ -0,0 +1,570 @@
+#FIG 3.2  Produced by xfig version 3.2.5b
+Landscape
+Center
+Metric
+A4      
+100.00
+Single
+-2
+1200 2
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libraries/RTC/examples/AlarmClock/dynamo_power_supply.fig

@@ -0,0 +1,206 @@
+#FIG 3.2  Produced by xfig version 3.2.5b
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