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Merged
hpsaturn merged 2 commits into from
Jun 8, 2026
Merged

fix-MFS_INVERT_DIGIT_SELECT #24

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ec6da21
fix-MFS_INVERT_DIGIT_SELECT
marcosabcarvalho Jun 2, 2026
93ef7bb
Document digit select compatibility
marcosabcarvalho Jun 8, 2026
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267 changes: 136 additions & 131 deletions examples/03 Applications/Alarm_Clock/Alarm_Clock.ino
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Original file line number Diff line number Diff line change
@@ -1,16 +1,20 @@
#include <TimerOne.h>
#include <Wire.h>
#include <MultiFuncShield.h>

/*

24h Alarm Clock sample
24h Alarm Clock sample - adaptado para hpsaturn/MultiFuncShield

button 1 : hold to set time or alarm
button 2 : press to view alarm time or cancel alarm if in progress
button 3 : increment hour / minute when setting (alarm) time. Hold to toggle alarm setting.

button 3 : increment hour / minute when setting (alarm) time.
Hold to toggle alarm setting.

LED1 : on = alarm enabled

Ajuste feito:
- Removido #include <TimerOne.h>
- Removido Timer1.initialize()
- Trocado MFS.initialize(&Timer1) por MFS.initialize()
*/

volatile unsigned int clockMilliSeconds = 0;
Expand All @@ -25,7 +29,6 @@ volatile byte alarmEnabled = false;

byte alarmTogglePressed = false;


enum displayModeValues
{
MODE_CLOCK_TIME,
Expand All @@ -41,193 +44,195 @@ byte displayMode = MODE_CLOCK_TIME;
//--------------------------------------------------------------------------------------------------
void setup()
{
Timer1.initialize();
/*
Na biblioteca hpsaturn, initialize() não recebe TimerOne.
A própria biblioteca já cuida da interrupção interna.
*/
MFS.userInterrupt = clockISR;
MFS.initialize(&Timer1);
MFS.initialize();

MFS.blinkDisplay(DIGIT_ALL);
//MFS.beep(500);
}


void loop()
{
// put your main code here, to run repeatedly:

byte btn = MFS.getButton();

switch (displayMode)
{
case MODE_CLOCK_TIME:
displayTime(clockHours, clockMinutes);
if (btn == BUTTON_2_PRESSED)
{
MFS.beep(0); // cancel the alarm.
displayMode = MODE_ALARM_TIME;
}
else if (btn == BUTTON_1_LONG_PRESSED)
{
MFS.blinkDisplay(DIGIT_ALL, OFF);
MFS.blinkDisplay(DIGIT_1 | DIGIT_2);
displayMode = MODE_CLOCK_TIME_SET_HOUR;
clockEnabled = false;
clockMilliSeconds = 0;
clockSeconds = 0;
}
else if (btn == BUTTON_3_LONG_PRESSED && !alarmTogglePressed)
{
alarmTogglePressed = true;
alarmEnabled = !alarmEnabled;
MFS.writeLeds(LED_1, alarmEnabled);
}
else if (btn == BUTTON_3_LONG_RELEASE)
{
alarmTogglePressed = false;
}
break;
displayTime(clockHours, clockMinutes);

if (btn == BUTTON_2_PRESSED)
{
MFS.beep(0); // cancel the alarm.
displayMode = MODE_ALARM_TIME;
}
else if (btn == BUTTON_1_LONG_PRESSED)
{
MFS.blinkDisplay(DIGIT_ALL, OFF);
MFS.blinkDisplay(DIGIT_1 | DIGIT_2);
displayMode = MODE_CLOCK_TIME_SET_HOUR;
clockEnabled = false;
clockMilliSeconds = 0;
clockSeconds = 0;
}
else if (btn == BUTTON_3_LONG_PRESSED && !alarmTogglePressed)
{
alarmTogglePressed = true;
alarmEnabled = !alarmEnabled;
MFS.writeLeds(LED_1, alarmEnabled);
}
else if (btn == BUTTON_3_LONG_RELEASE)
{
alarmTogglePressed = false;
}
break;

case MODE_CLOCK_TIME_SET_HOUR:
if (btn == BUTTON_1_PRESSED)
if (btn == BUTTON_1_PRESSED)
{
MFS.blinkDisplay(DIGIT_1 | DIGIT_2, OFF);
MFS.blinkDisplay(DIGIT_3 | DIGIT_4);
displayMode = MODE_CLOCK_TIME_SET_MINUTE;
}
else if (btn == BUTTON_3_PRESSED || btn == BUTTON_3_LONG_PRESSED)
{
clockHours++;
if (clockHours >= 24)
{
MFS.blinkDisplay(DIGIT_1 | DIGIT_2, OFF);
MFS.blinkDisplay(DIGIT_3 | DIGIT_4);
displayMode = MODE_CLOCK_TIME_SET_MINUTE;
clockHours = 0;
}
else if (btn == BUTTON_3_PRESSED || btn == BUTTON_3_LONG_PRESSED)
{
clockHours++;
if (clockHours >= 24)
{
clockHours = 0;
}
displayTime(clockHours, clockMinutes);
}
break;

displayTime(clockHours, clockMinutes);
}
break;

case MODE_CLOCK_TIME_SET_MINUTE:
if (btn == BUTTON_1_PRESSED)
{
MFS.blinkDisplay(DIGIT_3 | DIGIT_4, OFF);
displayMode = MODE_CLOCK_TIME;
clockEnabled = true;
}
else if (btn == BUTTON_3_PRESSED || btn == BUTTON_3_LONG_PRESSED)
if (btn == BUTTON_1_PRESSED)
{
MFS.blinkDisplay(DIGIT_3 | DIGIT_4, OFF);
displayMode = MODE_CLOCK_TIME;
clockEnabled = true;
}
else if (btn == BUTTON_3_PRESSED || btn == BUTTON_3_LONG_PRESSED)
{
clockMinutes++;
if (clockMinutes >= 60)
{
clockMinutes++;
if (clockMinutes >= 60)
{
clockMinutes = 0;
}
displayTime(clockHours, clockMinutes);
clockMinutes = 0;
}
break;

displayTime(clockHours, clockMinutes);
}
break;

case MODE_ALARM_TIME:
displayTime(alarmHours, alarmMinutes);
displayTime(alarmHours, alarmMinutes);

if (btn == BUTTON_2_SHORT_RELEASE || btn == BUTTON_2_LONG_RELEASE)
{
displayMode = MODE_CLOCK_TIME;
}
else if (btn == BUTTON_1_LONG_PRESSED)
{
MFS.blinkDisplay(DIGIT_ALL, OFF);
MFS.blinkDisplay(DIGIT_1 | DIGIT_2);
displayMode = MODE_ALARM_TIME_SET_HOUR;
alarmEnabled = false;
}
break;

if (btn == BUTTON_2_SHORT_RELEASE || btn == BUTTON_2_LONG_RELEASE)
{
displayMode = MODE_CLOCK_TIME;
}
else if (btn == BUTTON_1_LONG_PRESSED)
{
MFS.blinkDisplay(DIGIT_ALL, OFF);
MFS.blinkDisplay(DIGIT_1 | DIGIT_2);
displayMode = MODE_ALARM_TIME_SET_HOUR;
alarmEnabled = false;
}
break;

case MODE_ALARM_TIME_SET_HOUR:
if (btn == BUTTON_1_PRESSED)
{
MFS.blinkDisplay(DIGIT_1 | DIGIT_2, OFF);
MFS.blinkDisplay(DIGIT_3 | DIGIT_4);
displayMode = MODE_ALARM_TIME_SET_MINUTE;
}
else if (btn == BUTTON_3_PRESSED || btn == BUTTON_3_LONG_PRESSED)
if (btn == BUTTON_1_PRESSED)
{
MFS.blinkDisplay(DIGIT_1 | DIGIT_2, OFF);
MFS.blinkDisplay(DIGIT_3 | DIGIT_4);
displayMode = MODE_ALARM_TIME_SET_MINUTE;
}
else if (btn == BUTTON_3_PRESSED || btn == BUTTON_3_LONG_PRESSED)
{
alarmHours++;
if (alarmHours >= 24)
{
alarmHours++;
if (alarmHours >= 24)
{
alarmHours = 0;
}
displayTime(alarmHours, alarmMinutes);
alarmHours = 0;
}
break;

displayTime(alarmHours, alarmMinutes);
}
break;

case MODE_ALARM_TIME_SET_MINUTE:
if (btn == BUTTON_1_PRESSED)
{
MFS.blinkDisplay(DIGIT_3 | DIGIT_4, OFF);
displayMode = MODE_CLOCK_TIME;
alarmEnabled = true;
MFS.writeLeds(LED_1, ON);
}
else if (btn == BUTTON_3_PRESSED || btn == BUTTON_3_LONG_PRESSED)
if (btn == BUTTON_1_PRESSED)
{
MFS.blinkDisplay(DIGIT_3 | DIGIT_4, OFF);
displayMode = MODE_CLOCK_TIME;
alarmEnabled = true;
MFS.writeLeds(LED_1, ON);
}
else if (btn == BUTTON_3_PRESSED || btn == BUTTON_3_LONG_PRESSED)
{
alarmMinutes++;
if (alarmMinutes >= 60)
{
alarmMinutes++;
if (alarmMinutes >= 60)
{
alarmMinutes = 0;
}
displayTime(alarmHours, alarmMinutes);
alarmMinutes = 0;
}
break;
displayTime(alarmHours, alarmMinutes);
}
break;
}
}


void displayTime (byte hours, byte minutes)
void displayTime(byte hours, byte minutes)
{
char time[5];

sprintf(time, "%03d", (hours * 100) + minutes);
MFS.write(time, 1);
}

//--------------------------------------------------------------------------------------------------
void clockISR ()
void clockISR()
{
// Perform ripple count for all time components.
if (clockEnabled)
{
clockMilliSeconds++;

if (clockMilliSeconds >= 1000)
{
clockMilliSeconds = 0;

clockSeconds++;

if (clockSeconds >= 60)
{
clockSeconds = 0;

clockMinutes++;

if (clockMinutes >= 60)
{
clockMinutes = 0;

clockHours++;

if (clockHours >= 24)
{
clockHours = 0;
}
}

// If current time coincides with alarm time, and alarm is enabled, engage the alarm.
if (alarmEnabled && (clockMinutes == alarmMinutes) && (clockHours == alarmHours))
{
MFS.beep(
10, // on period
5, // off period
4, // number of cycles
100, // number of loop cycles
50 // delay between loop cycles
);
10, // on period
5, // off period
4, // number of cycles
100, // number of loop cycles
50 // delay between loop cycles
);
}
}
}
}
}

}
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